draft-ietf-ccamp-gmpls-ospf-g709v3-03.txt   draft-ietf-ccamp-gmpls-ospf-g709v3-04.txt 
CCAMP Working Group D. Ceccarelli, Ed. CCAMP Working Group D. Ceccarelli, Ed.
Internet-Draft D. Caviglia Internet-Draft D. Caviglia
Intended status: Standards Track Ericsson Intended status: Standards Track Ericsson
Expires: February 28, 2013 F. Zhang Expires: June 1, 2013 F. Zhang
D. Li D. Li
Huawei Technologies Huawei Technologies
S. Belotti S. Belotti
P. Grandi P. Grandi
Alcatel-Lucent Alcatel-Lucent
R. Rao R. Rao
K. Pithewan K. Pithewan
Infinera Corporation Infinera Corporation
J. Drake J. Drake
Juniper Juniper
August 27, 2012 November 28, 2012
Traffic Engineering Extensions to OSPF for Generalized MPLS (GMPLS) Traffic Engineering Extensions to OSPF for Generalized MPLS (GMPLS)
Control of Evolving G.709 OTN Networks Control of Evolving G.709 OTN Networks
draft-ietf-ccamp-gmpls-ospf-g709v3-03 draft-ietf-ccamp-gmpls-ospf-g709v3-04
Abstract Abstract
The recent revision of ITU-T Recommendation G.709 [G709-V3] has ITU-T Recommendation G.709 [G.709-2012] has introduced new fixed and
introduced new fixed and flexible ODU containers, enabling optimized flexible Optical Data Unit (ODU) containers, enabling optimized
support for an increasingly abundant service mix. support for an increasingly abundant service mix.
This document describes OSPF routing protocol extensions to support This document describes Open Shortest Path First - Traffic
Engineering (OSPF-TE) routing protocol extensions to support
Generalized MPLS (GMPLS) control of all currently defined ODU Generalized MPLS (GMPLS) control of all currently defined ODU
containers, in support of both sub-lambda and lambda level routing containers, in support of both sub-lambda and lambda level routing
granularity. granularity.
Status of this Memo Status of this Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on June 1, 2013.
This Internet-Draft will expire on February 28, 2013.
Copyright Notice Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License. described in the Simplified BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3 1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 4
2. OSPF-TE Extensions . . . . . . . . . . . . . . . . . . . . . . 3 2. OSPF-TE Extensions . . . . . . . . . . . . . . . . . . . . . . 4
3. TE-Link Representation . . . . . . . . . . . . . . . . . . . . 4 3. TE-Link Representation . . . . . . . . . . . . . . . . . . . . 6
4. ISCD format extensions . . . . . . . . . . . . . . . . . . . . 5 4. ISCD format extensions . . . . . . . . . . . . . . . . . . . . 7
4.1. Switch Capability Specific Information . . . . . . . . . . 7 4.1. Switch Capability Specific Information . . . . . . . . . . 8
5. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.1.1. Switch Capability Specific Information for fixed
5.1. MAX LSP Bandwidth fields in the ISCD . . . . . . . . . . . 13 containers . . . . . . . . . . . . . . . . . . . . . . 9
5.2. Example of T,S and TSG utilization . . . . . . . . . . . . 15 4.1.2. Switch Capability Specific Information for
5.2.1. Example of different TSGs . . . . . . . . . . . . . . 16 variable containers . . . . . . . . . . . . . . . . . 10
5.3. Example of ODUflex advertisement . . . . . . . . . . . . . 18 4.1.3. Switch Capability Specific Information - Field
5.4. Example of single stage muxing . . . . . . . . . . . . . . 20 values and explanation . . . . . . . . . . . . . . . . 12
5.5. Example of multi stage muxing - Unbundled link . . . . . . 22 5. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.6. Example of multi stage muxing - Bundled links . . . . . . 23 5.1. MAX LSP Bandwidth fields in the ISCD . . . . . . . . . . . 14
5.2. Example of T,S and TSG utilization . . . . . . . . . . . . 16
5.2.1. Example of different TSGs . . . . . . . . . . . . . . 17
5.3. Example of ODUflex advertisement . . . . . . . . . . . . . 19
5.4. Example of single stage muxing . . . . . . . . . . . . . . 21
5.5. Example of multi stage muxing - Unbundled link . . . . . . 23
5.6. Example of multi stage muxing - Bundled links . . . . . . 24
5.7. Example of component links with non homogeneous 5.7. Example of component links with non homogeneous
hierarchies . . . . . . . . . . . . . . . . . . . . . . . 25 hierarchies . . . . . . . . . . . . . . . . . . . . . . . 26
6. Compatibility . . . . . . . . . . . . . . . . . . . . . . . . 27 6. Compatibility . . . . . . . . . . . . . . . . . . . . . . . . 28
7. Security Considerations . . . . . . . . . . . . . . . . . . . 27 7. Security Considerations . . . . . . . . . . . . . . . . . . . 28
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 27 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 28
9. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 28 9. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 29
10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 29 10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 30
11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 29 11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 30
11.1. Normative References . . . . . . . . . . . . . . . . . . . 29 11.1. Normative References . . . . . . . . . . . . . . . . . . . 30
11.2. Informative References . . . . . . . . . . . . . . . . . . 30 11.2. Informative References . . . . . . . . . . . . . . . . . . 31
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 31 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 32
1. Introduction 1. Introduction
G.709 OTN [G709-V3] includes new fixed and flexible ODU containers, G.709 Optican Transport Network (OTN) [G.709-2012] includes new fixed
two types of Tributary Slots (i.e., 1.25Gbps and 2.5Gbps), and and flexible ODU containers, two types of Tributary Slots (i.e.,
supports various multiplexing relationships (e.g., ODUj multiplexed 1.25Gbps and 2.5Gbps), and supports various multiplexing
into ODUk (j<k)), two different tributary slots for ODUk (K=1, 2, 3) relationships (e.g., ODUj multiplexed into ODUk (j<k)), two different
and ODUflex service type, which is being standardized in ITU-T. In tributary slots for ODUk (K=1, 2, 3) and ODUflex service type, which
order to present this information in the routing process, this is being standardized in ITU-T. In order to present this information
document provides OTN technology specific encoding for OSPF-TE. in the routing process, this document provides OTN technology
specific encoding for OSPF-TE.
For a short overview of OTN evolution and implications of OTN For a short overview of OTN evolution and implications of OTN
requirements on GMPLS routing please refer to [OTN-FWK]. The requirements on GMPLS routing please refer to [OTN-FWK]. The
information model and an evaluation against the current solution are information model and an evaluation against the current solution are
provided in [OTN-INFO]. provided in [OTN-INFO].
The routing information for Optical Channel Layer (OCh) (i.e., The routing information for Optical Channel Layer (OCh) (i.e.,
wavelength) is out of the scope of this document. Please refer to wavelength) is out of the scope of this document. Please refer to
[WSON-Frame] for further information. [RFC6163] and [RFC6566] for further information.
1.1. Terminology 1.1. Terminology
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119]. document are to be interpreted as described in [RFC2119].
2. OSPF-TE Extensions 2. OSPF-TE Extensions
In terms of GMPLS based OTN networks, each OTUk can be viewed as a In terms of GMPLS based OTN networks, each OTUk can be viewed as a
component link, and each component link can carry one or more types component link, and each component link can carry one or more types
of ODUj (j<k). of ODUj (j<k).
Each TE LSA can carry a top-level link TLV with several nested sub- Each TE Link State Advertisement (LSA) can carry a top-level link
TLVs to describe different attributes of a TE link. Two top-level Type Lenght Value (TLV) with several nested sub-TLVs to describe
TLVs are defined in [RFC 3630]. (1) The Router Address TLV (referred different attributes of a TE link. Two top-level TLVs are defined in
to as the Node TLV) and (2) the TE link TLV. One or more sub-TLVs [RFC3630]. (1) The Router Address TLV (referred to as the Node TLV)
can be nested into the two top-level TLVs. The sub-TLV set for the and (2) the TE link TLV. One or more sub-TLVs can be nested into the
two top-level TLVs are also defined in [RFC 3630] and [RFC 4203]. two top-level TLVs. The sub-TLV set for the two top-level TLVs are
also defined in [RFC3630] and [RFC4203].
As discussed in [OTN-FWK] and [OTN-INFO], the OSPF-TE must be As discussed in [OTN-FWK] and [OTN-INFO], OSPF-TE must be extended so
extended so to be able to advertise the termination and switching to be able to advertise the termination and switching capabilites
capabilites related to each different ODUj and ODUk/OTUk and the related to each different ODUj and ODUk/OTUk (Optical Transport Unit)
advertisement of related multiplexing capabilities. This leads to and the advertisement of related multiplexing capabilities. This
the need to define a new Switching Capability value and associated leads to the need to define a new Switching Capability value and
new Switching Capability for the ISCD. associated new Switching Capability for the Interface Switching
Capability Descriptor (ISCD).
In the following we will use ODUj to indicate a service type that is In the following we will use ODUj to indicate a service type that is
multiplexed into an higher order ODU, ODUk an higher order ODU multiplexed into an higher order ODU, ODUk to indicate a higher order
including an ODUj and ODUk/OTUk to indicate the layer mapped into the ODU including an ODUj and ODUk/OTUk to indicate the layer mapped into
OTUk. Moreover ODUj(S) and ODUk(S) are used to indicate ODUj and the OTUk. Moreover ODUj(S) and ODUk(S) are used to indicate ODUj and
ODUk supporting switching capability only, and the ODUj->ODUk format ODUk supporting switching capability only, and the ODUj->ODUk format
is used to indicate the ODUj into ODUk multiplexing capability. is used to indicate the ODUj into ODUk multiplexing capability.
This notation can be iterated as needed depending on the number of This notation can be repeated as needed depending on the number of
multiplexing levels. In the following the term "multiplexing tree" multiplexing levels. In the following the term "multiplexing tree"
is used to identify a multiplexing hierarchy where the root is always is used to identify a multiplexing hierarchy where the root is always
a server ODUk/OTUk and any other supported multiplexed container is a server ODUk/OTUk and any other supported multiplexed container is
represented with increasing granularity until reaching the leaf of represented with increasing granularity until reaching the leaf of
the tree. The tree can be structured with more than one branch if the tree. The tree can be structured with more than one branch if
the server ODUk/OTUk supports more than one hierarchy. the server ODUk/OTUk supports more than one hierarchy.
If for example a multiplexing hierarchy like the following one is If for example a multiplexing hierarchy like the following one is
considered: considered:
skipping to change at page 4, line 45 skipping to change at page 6, line 9
ODU2->ODU3->ODU4 ODU2->ODU3->ODU4
ODU0->ODU3->ODU4 ODU0->ODU3->ODU4
ODUflex->ODU2->ODU4 ODUflex->ODU2->ODU4
ODU0->ODU2->ODU4 ODU0->ODU2->ODU4
3. TE-Link Representation 3. TE-Link Representation
G.709 ODUk/OTUk Links are represented as TE-Links in GMPLS Traffic G.709 ODUk/OTUk Links are represented as TE-Links in GMPLS Traffic
Engineering Topology for supporting ODUj layer switching. These TE- Engineering Topology for supporting ODUj layer switching. These TE-
Links can be modeled in multiple ways. Some of the prominent Links can be modeled in multiple ways.
representations are captured below.
OTUk physical Link(s) can be modeled as a TE-Link(s). The TE-Link is OTUk physical Link(s) can be modeled as a TE-Link(s). The TE-Link is
termed as OTUk-TE-Link. The OTUk-TE-Link advertises ODUj switching refferd to as OTUk-TE-Link. The OTUk-TE-Link advertises ODUj
capacity. The advertised capacity could include ODUk switching switching capacity. The advertised capacity could include ODUk
capacity. Figure-1 below provides an illustration of one hop ODUk switching capacity. Figure-1 below provides an illustration of one
TE-links. hop ODUk TE-links.
+-------+ +-------+ +-------+ +-------+ +-------+ +-------+
| OTN | | OTN | | OTN | | OTN | | OTN | | OTN |
|Switch |<- OTUk Link ->|Switch |<- OTUk Link ->|Switch | |Switch |<- OTUk Link ->|Switch |<- OTUk Link ->|Switch |
| A | | B | | C | | A | | B | | C |
+-------+ +-------+ +-------+ +-------+ +-------+ +-------+
|<-- TE-Link -->| |<-- TE-Link -->| |<-- TE-Link -->| |<-- TE-Link -->|
Figure 1: ODUk TE-Links Figure 1: ODUk TE-Links
skipping to change at page 5, line 42 skipping to change at page 7, line 7
+-------+ +-------+ +-------+ +-------+ +-------+ +-------+
ODUk Switched ODUk Switched
|<------------- ODUk Link ------------->| |<------------- ODUk Link ------------->|
|<-------------- TE-Link--------------->| |<-------------- TE-Link--------------->|
Figure 2: Multiple hop TE-Link Figure 2: Multiple hop TE-Link
4. ISCD format extensions 4. ISCD format extensions
The Interface Switching Capability Descriptor describes switching The ISCD describes the switching capability of an interface
capability of an interface [RFC 4202]. This document defines a new [RFC4202]. This document defines a new Switching Capability value
Switching Capability value for OTN [G.709-v3] as follows: for OTN [G.709-2012] as follows:
Value Type Value Type
----- ---- ----- ----
101 (TBA by IANA) OTN-TDM capable (OTN-TDM) 110 (TBA by IANA) OTN-TDM capable (OTN-TDM)
When supporting the extensions defined in this document, the
Switching Capability and Encoding values MUST be used as follows: Switching Capability and Encoding values MUST be used as follows:
Switching Capability = OTN-TDM - Switching Capability = OTN-TDM
Encoding Type = G.709 ODUk (Digital Path) [as defined in RFC4328] - Encoding Type = G.709 ODUk (Digital Path) [as defined in RFC4328]
Both fixed and flexible ODUs use the same switching type and encoding
values. When Switching Capability and Encoding fields are set to
values as stated above, the Interface Switching Capability Descriptor
MUST be interpreted as follows:
0 1 2 3 Both for fixed and flexible ODUs the same switching type and encoding
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 values MUST be used. When Switching Capability and Encoding fields
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ are set to values as stated above, the Interface Switching Capability
| Switching Cap | Encoding | Reserved | Descriptor MUST be interpreted as defined in [RFC4203].
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 3 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 4 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 5 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 6 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 7 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Switch Capability Specific Information |
| (variable length) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Maximum LSP Bandwidth Maximum LSP Bandwidth
The MAX LSP bandwidth field is used according to [RFC4203]: i.e. 0 <= The MAX LSP bandwidth field MUST be used according to [RFC4203]: i.e.
Max LSP Bandwidth <= ODUk/OTUk and intermediate values are those on 0 <= Max LSP Bandwidth <= ODUk/OTUk and intermediate values are those
the branch of OTN switching hierarchy supported by the interface. on the branch of OTN switching hierarchy supported by the interface.
E.g. in the OTU4 link it could be possible to have ODU4 as MAX LSP E.g. in the OTU4 link it could be possible to have ODU4 as MAX LSP
Bandwidth for some priorities, ODU3 for others, ODU2 for some others Bandwidth for some priorities, ODU3 for others, ODU2 for some others
etc. The bandwidth unit MUST be in bytes per second and the encoding etc. The bandwidth unit MUST be in bytes per second and the encoding
MUST be in IEEE floating point format. The discrete values for MUST be in Institute of Electrical and Electronic Engineers (IEEE)
various ODUs is shown in the table below. floating point format. The discrete values for various ODUs is shown
in the table below.
+----------------------+---------------------------------+------------------+ +---------------------+------------------------------+-----------------+
| ODU Type | ODU nominal bit rate |Value in Byte/Sec | | ODU Type | ODU nominal bit rate |Value in Byte/Sec|
+----------------------+---------------------------------+------------------+ +---------------------+------------------------------+-----------------+
| ODU0 | 1 244 160 kbits/s | 0x4D1450C0 | | ODU0 | 1 244 160 kbits/s | 0x4D1450C0 |
| ODU1 | 239/238 x 2 488 320 kbit/s | 0x4D94F048 | | ODU1 | 239/238 x 2 488 320 kbit/s | 0x4D94F048 |
| ODU2 | 239/237 x 9 953 280 kbit/s | 0x4E959129 | | ODU2 | 239/237 x 9 953 280 kbit/s | 0x4E959129 |
| ODU3 | 239/236 x 39 813 120 kbit/s | 0X4F963367 | | ODU3 | 239/236 x 39 813 120 kbit/s | 0X4F963367 |
| ODU4 | 239/227 x 99 532 800 kbit/s | 0x504331E3 | | ODU4 | 239/227 x 99 532 800 kbit/s | 0x504331E3 |
| ODU2e | 239/237 x 10 312 500 kbit/s | 0x4E9AF70A | | ODU2e | 239/237 x 10 312 500 kbit/s | 0x4E9AF70A |
| | | | | | | |
| ODUflex for CBR | | MAX LSP | | ODUflex for CBR | | MAX LSP |
| Client signals |239/238 x client signal bit rate | BANDWIDTH | | Client signals | 239/238 x client signal | BANDWIDTH |
| | | | | | bit rate | |
| ODUflex for GFP-F | | MAX LSP | | ODUflex for GFP-F | | MAX LSP |
|Mapped client signal | Configured bit rate | BANDWIDTH | |Mapped client signal | Configured bit rate | BANDWIDTH |
| | | | | | | |
| | | | | | | |
| ODU flex resizable | Configured bit rate | MAX LSP | |ODU flex resizable | Configured bit rate | MAX LSP |
| | | BANDWIDTH | | | | BANDWIDTH |
+----------------------+---------------------------------+------------------+ +---------------------+------------------------------+-----------------+
A single ISCD MAY be used for the advertisement of unbundled or A single ISCD MAY be used for the advertisement of unbundled or
bundled links supporting homogeneous multiplexing hierarchies and the bundled links supporting homogeneous multiplexing hierarchies and the
same Tributary Slot Granularity (TSG). A different ISCD MUST be used same Tributary Slot Granularity (TSG). A different ISCD MUST be used
for each different muxing hierarchy (muxing tree in the following for each different muxing hierarchy (muxing tree in the following
examples) and different TSG supported within the TE Link, if it examples) and different TSG supported within the TE Link.
includes component links with differing characteristics.
Component links with different hierarchies or TSG MUST NOT be
bundled.
4.1. Switch Capability Specific Information 4.1. Switch Capability Specific Information
The technology specific part of the OTN ISCD may include a variable The technology specific part of the OTN ISCD may include a variable
number of sub-TLVs called Bandwidth sub-TLVs. The muxing hierarchy number of sub-TLVs called Bandwidth sub-TLVs. Each sub-TLV is
tree MUST be encoded as an order independent list of them. Two types encoded with the TLV header as defined in [RFC3630] section 2.3.2.
of Bandwidth TLV are defined (TBA by IANA): The muxing hierarchy tree MUST be encoded as an order independent
list. Two types of Bandwidth TLV are defined (TBA by IANA):
- Type 1 - Unreserved Bandwidth for fixed containers - Type 1 - Unreserved Bandwidth for fixed containers
- Type 2 - Unreserved/MAX LSP Bandwidth for flexible containers - Type 2 - Unreserved/MAX LSP Bandwidth for flexible containers
The format of the SCSI MUST be as depicted in the following figure: The format of the SCSI MUST be as depicted in the following figure,
where one Type 1 sub-TLV MUST be used for any fixed container and one
Type 2 sub-TLV MUST be used for any variable container. Different
sub-TLV MAY be presented in ascending Type order.
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| | | |
| Fixed Container | | Fixed Container |
| | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
skipping to change at page 8, line 27 skipping to change at page 9, line 25
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 2 (Unres/MAX-var) | Length | | Type = 2 (Unres/MAX-var) | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| | | |
| Variable Container | | Variable Container |
| | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 3: SCSI format Figure 3: SCSI format
The format of the two different types of Bandwidth TLV are depicted 4.1.1. Switch Capability Specific Information for fixed containers
in the following figures:
The format of the Bandwidth TLV for fixed containers is depicted in
the following figure:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Signal type | Num of stages |T|S| TSG | Res | Priority | | Signal type | Num of stages |T|S| TSG | Res | Priority |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1 | ... | Stage#N | Padding | | Stage#1 | ... | Stage#N | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
skipping to change at page 9, line 25 skipping to change at page 10, line 5
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODUj at Prio 2 | Unres ODUj at Prio 3 | | Unres ODUj at Prio 2 | Unres ODUj at Prio 3 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODUj at Prio 4 | Unres ODUj at Prio 5 | | Unres ODUj at Prio 4 | Unres ODUj at Prio 5 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODUj at Prio 6 | Unres ODUj at Prio 7 | | Unres ODUj at Prio 6 | Unres ODUj at Prio 7 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 4: Bandwidth TLV - Type 1 - Figure 4: Bandwidth TLV - Type 1 -
The values of the fields shown in figure 4 are explained after figure The values of the fields shown in figure 4 are explained in section
6. 4.1.3.
4.1.2. Switch Capability Specific Information for variable containers
The format of the Bandwidth TLV for variable containers is depicted
in the following figure:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 2 (Unres/MAX-var) | Length | | Type = 2 (Unres/MAX-var) | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Signal type | Num of stages |T|S| TSG | Res | Priority | | Signal type | Num of stages |T|S| TSG | Res | Priority |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1 | ... | Stage#N | Padding | | Stage#1 | ... | Stage#N | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
skipping to change at page 10, line 49 skipping to change at page 11, line 49
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| MAX LSP Bandwidth at priority 5 | | MAX LSP Bandwidth at priority 5 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| MAX LSP Bandwidth at priority 6 | | MAX LSP Bandwidth at priority 6 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| MAX LSP Bandwidth at priority 7 | | MAX LSP Bandwidth at priority 7 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 5: Bandwidth TLV - Type 2 - Figure 5: Bandwidth TLV - Type 2 -
- Signal Type: Indicates the ODU type being advertised The values of the fields shown in figure 4 are explained in section
Value Type 4.1.3.
----- ------
1 ODU1
2 ODU2
3 ODU3
4 ODU4
10 ODU0
11 ODU2e
20 ODUflex CBR
21 ODUflex GFP-F resizable
22 ODUflex GFP-F non resizable
230-256 Experimental
With respect to ODUflex, ODUflex CBR and ODUflex GFP-F MUST 4.1.3. Switch Capability Specific Information - Field values and
explanation
The fields in the Bandwidth TLV MUST be filled as follows:
- Signal Type: Indicates the ODU type being advertised. Values
are defined in [OTN-SIG].
With respect to ODUflex, ODUflex Constant Bit Rate (CBR) and
ODUflex Generig Framing Procedure-Frame mapped (GFP-F) MUST
always be advertised separately as they use different always be advertised separately as they use different
adaptation functions. In the case both GFP-F resizable and non adaptation functions. In the case both GFP-F resizable and non
resizable (i.e. 21 and 22) are supported, Signal Type 21 resizable (i.e. 21 and 22) are supported, Signal Type 21
implicitely supports also signal Signal Type 22, so only Signal implicitely supports also signal Signal Type 22, so only Signal
Type 21 MUST be advertised. Signal Type 22 MUST be used only Type 21 MUST be advertised. Signal Type 22 MUST be used only
for non resizable resources. for non resizable resources.
- Number of stages: Indicates the number of multiplexing stages - Number of stages: Indicates the number of multiplexing stages
level. It MUST be equal to 0 when a server layer is being level below the indicated signal type. It MUST be equal to 0 when
advertised, 1 in case of single stage muxing, 2 in case of dual a server layer is being advertised, 1 in case of single stage
stage muxing, etc. muxing, 2 in case of dual stage muxing, etc.
- Flags: - Flags:
- T Flag (bit 17): Indicates whether the advertised bandwidth - T Flag (bit 17): Indicates whether the advertised bandwidth
can be terminated. When T=1, the signal type can be can be terminated. When the signal type can be terminated T
terminated, when T=0, the signal type cannot be terminated. MUST be set, while when the signal type cannot be terminated T
MUST be cleared.
- S Flag (bit 18): Indicates whether the advertised bandwidth - S Flag (bit 18): Indicates whether the advertised bandwidth
can be switched. When S=1, the signal type can be switched, can be switched. When the signal type can be switched S MUST
when S=0, the signal type cannot be switched. be set, while when the signal type cannot be switched S MUST be
cleared.
The value 00 in both T and S bits MUST NOT be used. The value 0 in both T and S bits MUST NOT be used.
- TSG: Tributary Slot Granularity (3bit): Used for the - TSG: Tributary Slot Granularity (3 bits): Used for the
advertisement of the supported Tributary Slot granularity advertisement of the supported Tributary Slot granularity. The
following values MUST be used:
- 0 - Reserved - 0 - Ignored
- 1 - 1.25 Gbps/2.5Gbps - 1 - 1.25 Gbps/2.5Gbps
- 2 - 2.5 Gbps only - 2 - 2.5 Gbps only
- 3 - 1.25 Gbps only
- 4 - Don't care
- 5-7 - Reserved - 3 - 1.25 Gbps only
- 4-7 - Reserved
Where value 1 is used on those interfaces where the fallback Where value 1 is used on those interfaces where the fallback
procedure is enabled and the default value of 1.25 Gbps can be procedure is enabled and the default value of 1.25 Gbps can be
falled back to 2.5 if needed. Values 2 and 3 are used where there falled back to 2.5 if needed. Values 2 and 3 are used where there
is no chance to modify the TSG. In the former case the interface is no chance to modify the TSG. In the former case the interface
being advertised is a G.709v1 and in the latter the interface is a being advertised is a [RFC4328] G.709 and in the latter the
G.709v3 with fallback procedure disabled or unavailable. Value 4 interface is a [G.709-2012] with fallback procedure disabled or
is used for non multiplexed signal (i.e. non OTN client). unavailable. Value 0 is used for non multiplexed signal (i.e. non
OTN client).
- Priority :8 bits field with 1 flag for each priority. Bit set - Priority (8 bits): field with 1 flag for each priority. Each
indicates priority supported, bit cleared means priority not bit MUST be set when the related priority is supported and MUST be
supported. The priority 0 is related to the most significant bit. cleared when the related priority is not supported. The priority
When no priority is supported, priority 0 MUST be advertised. 0 is related to the most significant bit. When no priority is
supported, priority 0 MUST be advertised.
- Stage#1 ... Stage#N : These fields are 8 bits long. Their - Stage#1 ... Stage#N : These fields are 8 bits long. Their
number is variable and a field is present for each stage of the number is variable and a field is present for each of the
muxing hierarchy. The last one MUST always indicate the server indicated number of stages. The last one MUST always indicate the
ODU container (ODUk/OTUk). The values of the Stage fields MUST be server ODU container (ODUk/OTUk) and they MUST be listed in
the same ones defined for the Signal Type field. If the number of ascending order. The values of the Stage fields MUST be the same
stages is 0, then no Stage fields MUST be included. ones defined for the Signal Type field. If the number of stages
is 0, then the Stage and Padding fields MUST be omitted.
- Padding: Given that the number of Stages is variable, padding to - Padding: Given that the number of Stages is variable, padding to
32 bits field MUST be used when needed. 32 bits field MUST be used when needed.
- Unreserved Bandwidth/Max LSP BW : In case of fixed containers - Unreserved Bandwidth/Max LSP BW : In case of fixed containers
(Type=1) the Unreserved Bandwidth field MUST be 16 bits long and (Type=1) the Unreserved Bandwidth field MUST be 16 bits long and
indicates the Unreserved Bandwidth in number of available indicates the Unreserved Bandwidth in number of available
containers. Only Unreserved/MAX LSP BW fields for supported containers. Unreserved/MAX LSP BW fields for each identified
priorities MUST be included, in order of increasing prioritiy (0 priority MUST be included, in order of increasing prioritiy (0 to
to 7). In case the number of supported priorities is odd, a 16 7) and Unreserved/MAX LSP BW fields for other priority values MUST
bits all zeros padding field MUST be added. On the other hand, in be omitted. In case the number of supported priorities is odd, a
case of variable containers (Type 2) the Unreserved/MAX LSP 16 bits all zeros padding field MUST be added. On the other hand,
in case of variable containers (Type 2) the Unreserved/MAX LSP
Bandwidth fields MUST be 32 bits long and expressed in IEEE Bandwidth fields MUST be 32 bits long and expressed in IEEE
floating point format. The advertisement of the MAX LSP bandwidth floating point format. The advertisement of the MAX LSP bandwidth
MUST take into account HO OPUk bit rate tolerance and be MUST take into account HO OPUk bit rate tolerance and be
calculated according to the following formula: calculated according to the following formula:
Max LSP BW = (# available TS) * (ODTUk.ts nominal bit rate) * Max LSP BW = (# available TS) * (ODTUk.ts nominal bit rate) *
(1-HO OPUk bit rate tolerance) (1-HO OPUk bit rate tolerance)
Only Unreserved/MAX LSP bandwidth for supported priorities MUST be Unreserved/MAX LSP bandwidth for each supported prioritiy MUST be
advertised. advertised.
5. Examples 5. Examples
The examples in the following pages are not normative and are not The examples in the following pages are not normative and are not
intended to infer or mandate any specific implementation. intended to imply or mandate any specific implementation.
5.1. MAX LSP Bandwidth fields in the ISCD 5.1. MAX LSP Bandwidth fields in the ISCD
This example shows how the MAX LSP Bandwidth fields of the ISCD are This example shows how the MAX LSP Bandwidth fields of the ISCD are
filled accordingly to the evolving of the TE-link bandwidth filled accordingly to the evolving of the TE-link bandwidth
occupancy. In the example an OTU4 link is considered, with supported occupancy. In the example an OTU4 link is considered, with supported
priorities 0,2,4,7 and muxing hierarchy ODU1->ODU2->ODU3->ODU4. priorities 0,2,4,7 and muxing hierarchy ODU1->ODU2->ODU3->ODU4.
At time T0, with the link completely free, the advertisement would At time T0, with the link completely free, the advertisement would
be: be:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Switching Cap | Encoding | Reserved | | Switching Cap | Encoding | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 0 = 100Gbps | | Max LSP Bandwidth at priority 0 = 100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 1 = 0 | | Max LSP Bandwidth at priority 1 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 2 = 100Gbps | | Max LSP Bandwidth at priority 2 = 100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 3 = 0 | | Max LSP Bandwidth at priority 3 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 4 = 100Gbps | | Max LSP Bandwidth at priority 4 = 100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 5 = 0 | | Max LSP Bandwidth at priority 5 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 6 = 0 | | Max LSP Bandwidth at priority 6 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 7 = 100Gbps | | Max LSP Bandwidth at priority 7 = 100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Switch Capability Specific Information | | Switch Capability Specific Information |
| (variable length) | | (variable length) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 6: Example 1 - MAX LSP Bandwidth fields in the ISCD @T0 Figure 6: Example 1 - MAX LSP Bandwidth fields in the ISCD @T0
At time T1 an ODU3 at priority 2 is set-up, so for priority 0 the MAX At time T1 an ODU3 at priority 2 is set-up, so for priority 0 the MAX
LSP Bandwidth is still equal to the ODU4 bandwidth, while for LSP Bandwidth is still equal to the ODU4 bandwidth, while for
priorities from 2 to 7 (excluding the non supported ones) the MAX LSP priorities from 2 to 7 (excluding the non supported ones) the MAX LSP
Bandwidth is equal to ODU3, as no more ODU4s are available and the Bandwidth is equal to ODU3, as no more ODU4s are available and the
next supported ODUj in the hierarchy is ODU3.The advertisement is next supported ODUj in the hierarchy is ODU3.The advertisement is
updated as follows: updated as follows:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Switching Cap | Encoding | Reserved | | Switching Cap | Encoding | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 0 = 100Gbps | | Max LSP Bandwidth at priority 0 = 100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 1 = 0 | | Max LSP Bandwidth at priority 1 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 2 = 40Gbps | | Max LSP Bandwidth at priority 2 = 40Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 3 = 0 | | Max LSP Bandwidth at priority 3 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 4 = 40Gbps | | Max LSP Bandwidth at priority 4 = 40Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 5 = 0 | | Max LSP Bandwidth at priority 5 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 6 = 0 | | Max LSP Bandwidth at priority 6 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 7 = 40Gbps | | Max LSP Bandwidth at priority 7 = 40Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Switch Capability Specific Information | | Switch Capability Specific Information |
| (variable length) | | (variable length) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 7: Example 1 - MAX LSP Bandwidth fields in the ISCD @T1 Figure 7: Example 1 - MAX LSP Bandwidth fields in the ISCD @T1
At time T2 an ODU2 at priority 4 is set-up. The first ODU3 is no At time T2 an ODU2 at priority 4 is set-up. The first ODU3 is no
longer available since T1 as it was kept by the ODU3 LSP, while the longer available since T1 as it was kept by the ODU3 LSP, while the
second is no more available and just 3 ODU2 are left in it. ODU2 is second is no more available and just 3 ODU2 are left in it. ODU2 is
now the MAX LSP bandwidth for priorities higher than 4. The now the MAX LSP bandwidth for priorities higher than 4. The
advertisement is updated as follows: advertisement is updated as follows:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Switching Cap | Encoding | Reserved | | Switching Cap | Encoding | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 0 = 100Gbps | | Max LSP Bandwidth at priority 0 = 100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 1 = 0 | | Max LSP Bandwidth at priority 1 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 2 = 40Gbps | | Max LSP Bandwidth at priority 2 = 40Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 3 = 0 | | Max LSP Bandwidth at priority 3 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 4 = 10Gbps | | Max LSP Bandwidth at priority 4 = 10Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 5 = 0 | | Max LSP Bandwidth at priority 5 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 6 = 0 | | Max LSP Bandwidth at priority 6 = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max LSP Bandwidth at priority 7 = 10Gbps | | Max LSP Bandwidth at priority 7 = 10Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Switch Capability Specific Information | | Switch Capability Specific Information |
| (variable length) | | (variable length) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 8: Example 1 - MAX LSP Bandwidth fields in the ISCD @T2 Figure 8: Example 1 - MAX LSP Bandwidth fields in the ISCD @T2
5.2. Example of T,S and TSG utilization 5.2. Example of T,S and TSG utilization
In this example an interface with Tributary Slot Type 1.25 Gbps and In this example an interface with Tributary Slot Type 1.25 Gbps and
fallback procedure enabled is considered (TSG=1). It supports the fallback procedure enabled is considered (TSG=1). It supports the
simple ODU1->ODU2->ODU3 hierarchy and priorities 0 and 3. Suppose simple ODU1->ODU2->ODU3 hierarchy and priorities 0 and 3. Suppose
that in this interface the ODU3 signal type can be both switched or that in this interface the ODU3 signal type can be both switched or
terminated, the ODU2 can only be terminated and the ODU1 switched terminated, the ODU2 can only be terminated and the ODU1 switched
only. For the advertisement of the capabilities of such interface a only. For the advertisement of the capabilities of such interface a
single ISCD is used and its format is as follows: single ISCD is used and its format is as follows:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU1 | #stages= 2 |T0|S1|001| Res |1|0|0|1|0|0|0|0| |Sig type=ODU1 | #stages= 2 |T0|S1|001| Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU2 | Stage#2=ODU3 | Padding | | Stage#1=ODU2 | Stage#2=ODU3 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU1 at Prio 0 | Unres ODU1 at Prio 3 | | Unres ODU1 at Prio 0 | Unres ODU1 at Prio 3 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU2 | #stages= 1 |T1|S0|001| Res |1|0|0|1|0|0|0|0| |Sig type=ODU2 | #stages= 1 |T1|S0|001| Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Padding | | Stage#1=ODU3 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU2 at Prio 0 | Unres ODU2 at Prio 3 | | Unres ODU2 at Prio 0 | Unres ODU2 at Prio 3 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU3 | #stages= 0 |T1|S1|001| Res |1|0|0|1|0|0|0|0| |Sig type=ODU3 | #stages= 0 |T1|S1|001| Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU3 at Prio 0 | Unres ODU3 at Prio 3 | | Unres ODU3 at Prio 0 | Unres ODU3 at Prio 3 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 9: Example 2 - TSG, T and S utilization Figure 9: Example 2 - TSG, T and S utilization
5.2.1. Example of different TSGs 5.2.1. Example of different TSGs
In this example two interfaces with homogeneous hierarchies but In this example two interfaces with homogeneous hierarchies but
different Tributary Slot Types are considered. The first one different Tributary Slot Types are considered. The first one
supports a G.709v1 interface (TSG=2) while the second one a G.709v3 supports a [RFC4328] interface (TSG=2) while the second one a G.709-
interface with fallback procedure disabled (TSG=3). Both of them 2012 interface with fallback procedure disabled (TSG=3). Both of
support ODU1->ODU2->ODU3 hierarchy and priorities 0 and 3. For the them support ODU1->ODU2->ODU3 hierarchy and priorities 0 and 3. For
advertisement of the capabilities of such interfaces two different the advertisement of the capabilities of such interfaces two
ISCDs are used and the format of their SCSIs is as follows: different ISCDs are used and the format of their SCSIs is as follows:
SCSI of ISCD 1 - TSG=2 SCSI of ISCD 1 - TSG=2
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU1 | #stages= 2 |T|S| 2 | Res |1|0|0|1|0|0|0|0| |Sig type=ODU1 | #stages= 2 |T|S| 2 | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU2 | Stage#2=ODU3 | Padding | | Stage#1=ODU2 | Stage#2=ODU3 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU1 at Prio 0 | Unres ODU1 at Prio 3 | | Unres ODU1 at Prio 0 | Unres ODU1 at Prio 3 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
SCSI of ISCD 2 - TSG=3 SCSI of ISCD 2 - TSG=3
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU1 | #stages= 2 |T|S| 3 | Res |1|0|0|1|0|0|0|0| |Sig type=ODU1 | #stages= 2 |T|S| 3 | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU2 | Stage#2=ODU3 | Padding | | Stage#1=ODU2 | Stage#2=ODU3 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU1 at Prio 0 | Unres ODU1 at Prio 3 | | Unres ODU1 at Prio 0 | Unres ODU1 at Prio 3 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 10: Example 2.1 - Different TSGs utilization Figure 10: Example 2.1 - Different TSGs utilization
A particular case in which hierarchies with the same muxing tree but A particular case in which hierarchies with the same muxing tree but
with different exported TSG must be considered as non homogenous with different exported TSG MUST be considered as non homogenous
hierarchies is the case in which an H-LPS and the client LSP are hierarchies is the case in which an H-LPS and the client LSP are
terminated on the same egress node. What can happen is that a loose terminated on the same egress node. What can happen is that a loose
ero is used at the hop where the signaled LSP is nested into the Explicit Route Object (ERO) is used at the hop where the signaled LSP
H-LSP (penultimate hop of the LSP). is nested into the Hierarchical-LSP (H-LSP) (penultimate hop of the
LSP).
In the following figure, node C receives from A a loose ERO towards In the following figure, node C receives from A a loose ERO towards
node E and must choose between the ODU2 H-LSP on if1 or the one on node E and must choose between the ODU2 H-LSP on if1 or the one on
if2. In case the H-LSP on if1 exports a TS=1,25Gbps and if2 a if2. In case the H-LSP on if1 exports a TS=1.25Gbps and if2 a
TS=2,5Gbps and the service LSP being signaled needs a 1,25Gbps TS=2.5Gbps and the service LSP being signaled needs a 1.25Gbps
tributary slot, only the H-LSP on if1 can be used to reach node E. tributary slot, only the H-LSP on if1 can be used to reach node E.
For further details please see section 4.1 of the [OTN-INFO]. For further details please see section 4.1 of the [OTN-INFO].
ODU0-LSP ODU0-LSP
..........................................................+ ..........................................................+
| | | |
| ODU2-H-LSP | | ODU2-H-LSP |
| +-------------------------------+ | +-------------------------------+
| | | | | |
+--+--+ +-----+ +-----+ if1 +-----+ +-----+ +--+--+ +-----+ +-----+ if1 +-----+ +-----+
| | OTU3 | | OTU3 | |---------| |---------| | | | OTU3 | | OTU3 | |---------| |---------| |
| A +------+ B +------+ C | if2 | D | | E | | A +------+ B +------+ C | if2 | D | | E |
| | | | | |---------| |---------| | | | | | | |---------| |---------| |
+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+
... Service LSP ... Service LSP
--- H-LSP --- H-LSP
Figure 11: Example - Service LSP and H-LSP terminating on the same Figure 11: Example - Service LSP and H-LSP terminating on the same
node node
5.3. Example of ODUflex advertisement 5.3. Example of ODUflex advertisement
In this example the advertisement of an ODUflex->ODU3 hierarchy is In this example the advertisement of an ODUflex->ODU3 hierarchy is
shown. In case of ODUflex advertisement the MAX LSP bandwidth needs shown. In case of ODUflex advertisement the MAX LSP bandwidth needs
to be advertised and in some cases also information about the to be advertised and in some cases also information about the
Unreserved bandwidth could be useful. The amount of Unreserved Unreserved bandwidth could be useful. The amount of Unreserved
skipping to change at page 19, line 8 skipping to change at page 20, line 8
LSPs of 10 GBps each, have to be restored, for sure only one can be LSPs of 10 GBps each, have to be restored, for sure only one can be
restored along Link B and it is probable (but not sure) that two of restored along Link B and it is probable (but not sure) that two of
them can be restored along Link A. them can be restored along Link A.
In the case of ODUflex advertisement the Type 2 Bandwidth TLV is In the case of ODUflex advertisement the Type 2 Bandwidth TLV is
used. used.
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 2 (Unres/MAX-var) | Length | | Type = 2 (Unres/MAX-var) | Length = 72 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|S. type=ODUflex| #stages= 1 |T|S| TSG | Res | Priority | |S. type=ODUflex| #stages= 1 |T|S| TSG | Res | Priority |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Padding | | Stage#1=ODU3 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unreserved Bandwidth at priority 0 | | Unreserved Bandwidth at priority 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unreserved Bandwidth at priority 1 | | Unreserved Bandwidth at priority 1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unreserved Bandwidth at priority 2 | | Unreserved Bandwidth at priority 2 |
skipping to change at page 21, line 8 skipping to change at page 22, line 8
\ \ / / \ \ / /
\ \ / / \ \ / /
\ \/ / \ \/ /
ODU4 ODU4
and the related SCSIs as follows: and the related SCSIs as follows:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 | | Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU1 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU1 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU1 at Prio 0 =40 | Unres ODU1 at Prio 3 =40 | | Unres ODU1 at Prio 0 =40 | Unres ODU1 at Prio 3 =40 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU2 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU2 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU2 at Prio 0 =10 | Unres ODU2 at Prio 3 =10 | | Unres ODU2 at Prio 0 =10 | Unres ODU2 at Prio 3 =10 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU3 at Prio 0 =2 | Unres ODU3 at Prio 3 =2 | | Unres ODU3 at Prio 0 =2 | Unres ODU3 at Prio 3 =2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 2 (Unres/MAX-var) | Length | | Type = 2 (Unres/MAX-var) | Length = 24 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|S. type=ODUflex| #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |S. type=ODUflex| #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unreserved Bandwidth at priority 0 =100Gbps | | Unreserved Bandwidth at priority 0 =100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unreserved Bandwidth at priority 3 =100Gbps | | Unreserved Bandwidth at priority 3 =100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| MAX LSP Bandwidth at priority 0 =100Gbps | | MAX LSP Bandwidth at priority 0 =100Gbps |
skipping to change at page 22, line 27 skipping to change at page 23, line 27
\ / \ /
\ / \ /
ODU4 ODU4
and supported pririties 0 and 3, the advertisement is composed by the and supported pririties 0 and 3, the advertisement is composed by the
following Bandwidth TLVs: following Bandwidth TLVs:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 | | Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU3 at Prio 0 =2 | Unres ODU3 at Prio 3 =2 | | Unres ODU3 at Prio 0 =2 | Unres ODU3 at Prio 3 =2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU2 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU2 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU2 at Prio 0 =10 | Unres ODU2 at Prio 3 =10 | | Unres ODU2 at Prio 0 =10 | Unres ODU2 at Prio 3 =10 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU2 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU2 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Stage#2=ODU4 | Padding | | Stage#1=ODU3 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU2 at Prio 0 =8 | Unres ODU2 at Prio 3 =8 | | Unres ODU2 at Prio 0 =8 | Unres ODU2 at Prio 3 =8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Stage#2=ODU4 | Padding | | Stage#1=ODU3 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU0 at Prio 0 =64 | Unres ODU0 at Prio 3 =64 | | Unres ODU0 at Prio 0 =64 | Unres ODU0 at Prio 3 =64 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU2 | Stage#2=ODU4 | Padding | | Stage#1=ODU2 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU0 at Prio 0 =80 | Unres ODU0 at Prio 3 =80 | | Unres ODU0 at Prio 0 =80 | Unres ODU0 at Prio 3 =80 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 2 (Unres/MAX-var) | Length | | Type = 2 (Unres/MAX-var) | Length = 24 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|S.type=ODUflex | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |S.type=ODUflex | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU2 | Stage#2=ODU4 | Padding | | Stage#1=ODU2 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unreserved Bandwidth at priority 0 =100Gbps | | Unreserved Bandwidth at priority 0 =100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unreserved Bandwidth at priority 3 =100Gbps | | Unreserved Bandwidth at priority 3 =100Gbps |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| MAX LSP Bandwidth at priority 0 =10Gbps | | MAX LSP Bandwidth at priority 0 =10Gbps |
skipping to change at page 24, line 19 skipping to change at page 25, line 19
ODU3 ODU3 ODU3 ODU3
| | | |
ODU4 ODU4 ODU4 ODU4
Considering only supported priorities 0 and 3, the advertisement is Considering only supported priorities 0 and 3, the advertisement is
as follows: as follows:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU4 at Prio 0 =2 | Unres ODU4 at Prio 3 =2 | | Unres ODU4 at Prio 0 =2 | Unres ODU4 at Prio 3 =2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU3 at Prio 0 =4 | Unres ODU3 at Prio 3 =4 | | Unres ODU3 at Prio 0 =4 | Unres ODU3 at Prio 3 =4 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU2 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU2 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Stage#2=ODU4 | Padding | | Stage#1=ODU3 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU2 at Prio 0 =16 | Unres ODU2 at Prio 3 =16 | | Unres ODU2 at Prio 0 =16 | Unres ODU2 at Prio 3 =16 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Stage#2=ODU4 | Padding | | Stage#1=ODU3 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU0 at Prio 0 =128 | Unres ODU0 at Prio 3 =128 | | Unres ODU0 at Prio 0 =128 | Unres ODU0 at Prio 3 =128 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 15: Example 6 - Multi stage muxing - Bundled links Figure 15: Example 6 - Multi stage muxing - Bundled links
5.7. Example of component links with non homogeneous hierarchies 5.7. Example of component links with non homogeneous hierarchies
skipping to change at page 25, line 29 skipping to change at page 26, line 29
Considering only supported priorities 0 and 3, the advertisement uses Considering only supported priorities 0 and 3, the advertisement uses
two different ISCDs, one for each hierarchy. In the following two different ISCDs, one for each hierarchy. In the following
figure, the SCSI of each ISCD is shown: figure, the SCSI of each ISCD is shown:
SCSI of ISCD 1 - Component Link#1 SCSI of ISCD 1 - Component Link#1
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 | | Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU3 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU3 at Prio 0 =2 | Unres ODU3 at Prio 3 =2 | | Unres ODU3 at Prio 0 =2 | Unres ODU3 at Prio 3 =2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU2 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU2 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Stage#2=ODU4 | Padding | | Stage#1=ODU3 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU2 at Prio 0 =8 | Unres ODU2 at Prio 3 =8 | | Unres ODU2 at Prio 0 =8 | Unres ODU2 at Prio 3 =8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU3 | Stage#2=ODU4 | Padding | | Stage#1=ODU3 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU0 at Prio 0 =64 | Unres ODU0 at Prio 3 =64 | | Unres ODU0 at Prio 0 =64 | Unres ODU0 at Prio 3 =64 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
SCSI of ISCD 2 - Component Link#2 SCSI of ISCD 2 - Component Link#2
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU4 | #stages= 0 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 | | Unres ODU4 at Prio 0 =1 | Unres ODU4 at Prio 3 =1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU2 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU2 | #stages= 1 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU4 | Padding | | Stage#1=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU2 at Prio 0 =10 | Unres ODU2 at Prio 3 =10 | | Unres ODU2 at Prio 0 =10 | Unres ODU2 at Prio 3 =10 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU1 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU1 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU2 | Stage#2=ODU4 | Padding | | Stage#1=ODU2 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU1 at Prio 0 =40 | Unres ODU1 at Prio 3 =40 | | Unres ODU1 at Prio 0 =40 | Unres ODU1 at Prio 3 =40 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 1 (Unres-fix) | Length | | Type = 1 (Unres-fix) | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0| |Sig type=ODU0 | #stages= 2 |T|S| TSG | Res |1|0|0|1|0|0|0|0|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stage#1=ODU2 | Stage#2=ODU4 | Padding | | Stage#1=ODU2 | Stage#2=ODU4 | Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Unres ODU0 at Prio 0 =80 | Unres ODU0 at Prio 3 =80 | | Unres ODU0 at Prio 0 =80 | Unres ODU0 at Prio 3 =80 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 16: Example 7 - Multi stage muxing - Non homogeneous Figure 16: Example 7 - Multi stage muxing - Non homogeneous
hierarchies hierarchies
skipping to change at page 27, line 19 skipping to change at page 28, line 19
All implementations of this document MAY support also advertisement All implementations of this document MAY support also advertisement
as defined in [RFC4328]. When nodes support both advertisement as defined in [RFC4328]. When nodes support both advertisement
methods, implementations MUST support the configuration of which methods, implementations MUST support the configuration of which
advertisement method is followed. The choice of which is used is advertisement method is followed. The choice of which is used is
based on policy and is out of scope of the document. This enables based on policy and is out of scope of the document. This enables
nodes following each method to identify similar supporting nodes and nodes following each method to identify similar supporting nodes and
compute paths using only the appropriate nodes. compute paths using only the appropriate nodes.
7. Security Considerations 7. Security Considerations
This document specifies the contents of Opaque LSAs in OSPFv2. As This document, as [RFC4203], specifies the contents of Opaque LSAs in
Opaque LSAs are not used for SPF computation or normal routing, the OSPFv2. As Opaque LSAs are not used for SPF computation or normal
extensions specified here have no direct effect on IP routing. routing, the extensions specified here have no direct effect on IP
Tampering with GMPLS TE LSAs may have an effect on the underlying routing. Tampering with GMPLS TE LSAs may have an effect on the
transport (optical and/or SONET-SDH) network. [RFC3630] suggests underlying transport (optical and/or SONET-SDH) network. [RFC3630]
mechanisms such as [RFC2154] to protect the transmission of this suggests mechanisms such as [RFC2154] to protect the transmission of
information, and those or other mechanisms should be used to secure this information, and those or other mechanisms should be used to
and/or authenticate the information carried in the Opaque LSAs. secure and/or authenticate the information carried in the Opaque
LSAs.
For security threats, defensive techniques, monitoring/detection/
reporting of security attacks and requirements please refer to
[RFC5920] .
8. IANA Considerations 8. IANA Considerations
Upon approval of this document, IANA will make the assignment of a Upon approval of this document, IANA will make the assignment of a
new Switching Capability value for the existing ISCD located at http: new registry, the "OTN-TDM Container Registry" under a new GMPLS
//www.iana.org/assignments/ospf-traffic-eng-tlvs/ Routing Parameters" with two new types (1 and 2)
ospf-traffic-eng-tlvs.xml:
15 Interface Switching Capability Descriptor [RFC4203]
Switching capability Description Reference Switching Type Description Reference
---------------------- -------------------------- ---------- ---------------------- -------------------------- ----------
101 (suggested) OTN-TDM capable (OTN-TDM) [This.I-D] 110 (suggested) OTN-TDM capable (OTN-TDM) [This.I-D]
This document defines the following sub-TLVs of the ISCD TLV: This document defines the following sub-TLVs of the ISCD TLV:
Value Sub-TLV Value Sub-TLV
----- ------------------------------------------------- ----- -------------------------------------------------
1 Unreserved Bandwidth for fixed containers 1 Unreserved Bandwidth for fixed containers
2 Unreserved/MAX LSP bandwidth for flexible containers 2 Unreserved/MAX LSP bandwidth for flexible containers
9. Contributors 9. Contributors
Xiaobing Zi, Huawei Technologies Xiaobing Zi, Huawei Technologies
Email: zixiaobing@huawei.com Email: zixiaobing@huawei.com
Francesco Fondelli, Ericsson Francesco Fondelli, Ericsson
Email: francesco.fondelli@ericsson.com Email: francesco.fondelli@ericsson.com
skipping to change at page 29, line 33 skipping to change at page 30, line 37
10. Acknowledgements 10. Acknowledgements
The authors would like to thank Fred Gruman and Lou Berger for the The authors would like to thank Fred Gruman and Lou Berger for the
precious comments and suggestions. precious comments and suggestions.
11. References 11. References
11.1. Normative References 11.1. Normative References
[OTN-FWK] F.Zhang, D.Li, H.Li, S.Belotti, D.Ceccarelli, "Framework
for GMPLS and PCE Control of G.709 Optical Transport
networks, work in progress
draft-ietf-ccamp-gmpls-g709-framework-05", September 2011.
[OTN-INFO]
S.Belotti, P.Grandi, D.Ceccarelli, D.Caviglia, F.Zhang,
D.Li, "Information model for G.709 Optical Transport
Networks (OTN), work in progress
draft-ietf-ccamp-otn-g709-info-model-02", October 2011.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC2154] Murphy, S., Badger, M., and B. Wellington, "OSPF with
Digital Signatures", RFC 2154, June 1997.
[RFC2328] Moy, J., "OSPF Version 2", STD 54, RFC 2328, April 1998.
[RFC2370] Coltun, R., "The OSPF Opaque LSA Option", RFC 2370,
July 1998.
[RFC3630] Katz, D., Kompella, K., and D. Yeung, "Traffic Engineering [RFC3630] Katz, D., Kompella, K., and D. Yeung, "Traffic Engineering
(TE) Extensions to OSPF Version 2", RFC 3630, (TE) Extensions to OSPF Version 2", RFC 3630,
September 2003. September 2003.
[RFC4201] Kompella, K., Rekhter, Y., and L. Berger, "Link Bundling
in MPLS Traffic Engineering (TE)", RFC 4201, October 2005.
[RFC4202] Kompella, K. and Y. Rekhter, "Routing Extensions in [RFC4202] Kompella, K. and Y. Rekhter, "Routing Extensions in
Support of Generalized Multi-Protocol Label Switching Support of Generalized Multi-Protocol Label Switching
(GMPLS)", RFC 4202, October 2005. (GMPLS)", RFC 4202, October 2005.
[RFC4203] Kompella, K. and Y. Rekhter, "OSPF Extensions in Support [RFC4203] Kompella, K. and Y. Rekhter, "OSPF Extensions in Support
of Generalized Multi-Protocol Label Switching (GMPLS)", of Generalized Multi-Protocol Label Switching (GMPLS)",
RFC 4203, October 2005. RFC 4203, October 2005.
[RFC5250] Berger, L., Bryskin, I., Zinin, A., and R. Coltun, "The [RFC4328] Papadimitriou, D., "Generalized Multi-Protocol Label
OSPF Opaque LSA Option", RFC 5250, July 2008. Switching (GMPLS) Signaling Extensions for G.709 Optical
Transport Networks Control", RFC 4328, January 2006.
[RFC5340] Coltun, R., Ferguson, D., Moy, J., and A. Lindem, "OSPF 11.2. Informative References
for IPv6", RFC 5340, July 2008.
[RFC6001] Papadimitriou, D., Vigoureux, M., Shiomoto, K., Brungard, [G.709-2012]
D., and JL. Le Roux, "Generalized MPLS (GMPLS) Protocol ITU-T, "Draft revised G.709, version 4", consented
Extensions for Multi-Layer and Multi-Region Networks (MLN/ by ITU-T in 2012.
MRN)", RFC 6001, October 2010.
11.2. Informative References [OTN-FWK] F.Zhang, D.Li, H.Li, S.Belotti, D.Ceccarelli, "Framework
for GMPLS and PCE Control of G.709 Optical Transport
networks, work in progress
draft-ietf-ccamp-gmpls-g709-framework-11", November 2012.
[G.709] ITU-T, "Interface for the Optical Transport Network [OTN-INFO]
(OTN)", G.709 Recommendation (and Amendment 1), S.Belotti, P.Grandi, D.Ceccarelli, D.Caviglia, F.Zhang,
February 2001. D.Li, "Information model for G.709 Optical Transport
Networks (OTN), work in progress
draft-ietf-ccamp-otn-g709-info-model-05", November 2012.
[G.709-v3] [OTN-SIG] F.Zhang, G.Zhang, S.Belotti, D.Ceccarelli, K.Pithewan,
ITU-T, "Draft revised G.709, version 3", consented "Generalized Multi-Protocol Label Switching (GMPLS)
by ITU-T on Oct 2009. Signaling Extensions for the evolving G.709 Optical
Transport Networks Control, work in progress
draft-ietf-ccamp-gmpls-signaling-g709v3-05",
November 2012.
[RFC2154] Murphy, S., Badger, M., and B. Wellington, "OSPF with
Digital Signatures", RFC 2154, June 1997.
[RFC5920] Fang, L., "Security Framework for MPLS and GMPLS
Networks", RFC 5920, July 2010.
[RFC6163] Lee, Y., Bernstein, G., and W. Imajuku, "Framework for
GMPLS and Path Computation Element (PCE) Control of
Wavelength Switched Optical Networks (WSONs)", RFC 6163,
April 2011.
[RFC6566] Lee, Y., Bernstein, G., Li, D., and G. Martinelli, "A
Framework for the Control of Wavelength Switched Optical
Networks (WSONs) with Impairments", RFC 6566, March 2012.
Authors' Addresses Authors' Addresses
Daniele Ceccarelli (editor) Daniele Ceccarelli (editor)
Ericsson Ericsson
Via A. Negrone 1/A Via A. Negrone 1/A
Genova - Sestri Ponente Genova - Sestri Ponente
Italy Italy
Email: daniele.ceccarelli@ericsson.com Email: daniele.ceccarelli@ericsson.com
 End of changes. 98 change blocks. 
363 lines changed or deleted 367 lines changed or added

This html diff was produced by rfcdiff 1.41. The latest version is available from http://tools.ietf.org/tools/rfcdiff/