draft-ietf-ccamp-swcaps-update-01.txt   draft-ietf-ccamp-swcaps-update-02.txt 
Internet Draft Lou Berger Internet Draft Lou Berger
Updates: 3471, 4202, 4203, 5307 (LabN) Updates: 3471, 4202, 4203, 5307 (LabN)
Category: Standards Track Julien Meuric Category: Standards Track Julien Meuric
Expiration Date: October 17, 2013 (France Telecom Orange) Expiration Date: February 22, 2014 (France Telecom Orange)
April 17, 2013 August 22, 2013
Revised Definition of The GMPLS Switching Capability and Type Fields Revised Definition of The GMPLS Switching Capability and Type Fields
draft-ietf-ccamp-swcaps-update-01.txt draft-ietf-ccamp-swcaps-update-02.txt
Abstract Abstract
GMPLS provides control for multiple switching technologies, and GMPLS provides control for multiple switching technologies, and
hierarchical switching within a technology. GMPLS routing and hierarchical switching within a technology. GMPLS routing and
signaling use common values to indicate switching technology type. signaling use common values to indicate switching technology type.
These values are carried in routing in the Switching Capability These values are carried in routing in the Switching Capability
field, and in signaling in the Switching Type field. While the field, and in signaling in the Switching Type field. While the
values used in these fields are the primary indicators of the values used in these fields are the primary indicators of the
technology and hierarchy level being controlled, the values are technology and hierarchy level being controlled, the values are
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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."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/1id-abstracts.html http://www.ietf.org/1id-abstracts.html
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html http://www.ietf.org/shadow.html
This Internet-Draft will expire on October 17, 2013 This Internet-Draft will expire on February 22, 2014
Copyright and License Notice Copyright and License Notice
Copyright (c) 2013 IETF Trust and the persons identified as the Copyright (c) 2013 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
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2.3. Assigned Switching Types 2.3. Assigned Switching Types
This document deprecates the following Switching Types: This document deprecates the following Switching Types:
Value Name Value Name
2 Packet-Switch Capable-2 (PSC-2) 2 Packet-Switch Capable-2 (PSC-2)
3 Packet-Switch Capable-3 (PSC-3) 3 Packet-Switch Capable-3 (PSC-3)
4 Packet-Switch Capable-4 (PSC-4) 4 Packet-Switch Capable-4 (PSC-4)
These values SHOULD NOT be treated as reserved values, i.e., These values SHOULD be treated as unsupported types and, in the
SHOULD NOT be generated and SHOULD be ignored upon receipt. case of signaling, processed according to Section 2.1.1 of
[RFC3473].
3. Compatibility 3. Compatibility
For existing implementations, the primary impact of this document is For existing implementations, the primary impact of this document is
deprecating the use of PSC-2, 3 and 4. At the time of publication, deprecating the use of PSC-2, 3 and 4. At the time of publication,
there are no known deployments (or even implementations) that make there are no known deployments (or even implementations) that make
use of these values so there is no compatibility issues for current use of these values so there is no compatibility issues for current
routing and signaling implementations. routing and signaling implementations.
4. Security Considerations 4. Security Considerations
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This document impacts the values carried in a single field in This document impacts the values carried in a single field in
signaling and routing. As no new protocol formats or mechanisms are signaling and routing. As no new protocol formats or mechanisms are
defined, there are no particular security implications raised by this defined, there are no particular security implications raised by this
document. document.
For a general discussion on MPLS and GMPLS related security issues, For a general discussion on MPLS and GMPLS related security issues,
see the MPLS/GMPLS security framework [RFC5920]. see the MPLS/GMPLS security framework [RFC5920].
5. IANA Considerations 5. IANA Considerations
IANA needs to deprecate and redefine the registry. In particular the IANA needs to deprecate and redefine the related registry. In
Switching Types portion of the Generalized Multi-Protocol Label particular the Switching Types portion of the Generalized Multi-
Switching (GMPLS) Signaling Parameters should be revised to read: Protocol Label Switching (GMPLS) Signaling Parameters should be
revised to read:
Switching Types Switching Types
Registration Procedures Registration Procedures
Standards Action Standards Action
Reference Reference
[RFC3471][RFC4328][This.draft] [RFC3471][RFC4328][This.draft]
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52-99 Unassigned 52-99 Unassigned
100 Time-Division-Multiplex Capable (TDM) [RFC3471] 100 Time-Division-Multiplex Capable (TDM) [RFC3471]
101-124 Unassigned 101-124 Unassigned
125 Data Channel Switching Capable (DCSC) [RFC6002] 125 Data Channel Switching Capable (DCSC) [RFC6002]
126-149 Unassigned 126-149 Unassigned
150 Lambda-Switch Capable (LSC) [RFC3471] 150 Lambda-Switch Capable (LSC) [RFC3471]
151-199 Unassigned 151-199 Unassigned
200 Fiber-Switch Capable (FSC) [RFC3471] 200 Fiber-Switch Capable (FSC) [RFC3471]
201-255 Unassigned 201-255 Unassigned
A parallel change to IANA-GMPLS-TC-MIB is also required. In
particular, under IANAGmplsSwitchingTypeTC a reference to this
document should be added as item 3. Also the following changes should
be made to the related values:
deprecated(2), -- Deprecated
deprecated(3), -- Deprecated
deprecated(4), -- Deprecated
6. Acknowledgments 6. Acknowledgments
We thank John Drake for highlighting the current inconsistent We thank John Drake for highlighting the current inconsistent
definitions associated with the Switching Capability and Type Fields. definitions associated with the Switching Capability and Type Fields.
Daniele Ceccarelli provided valuable feedback on this document. Daniele Ceccarelli and Adrian Farrel provided valuable feedback on
this document.
7. References 7. References
7.1. Normative References 7.1. Normative References
[RFC2119] Bradner, S., "RFC Key Words Key words for use in RFCs to [RFC2119] Bradner, S., "RFC Key Words Key words for use in RFCs to
Indicate Requirement Levels", RFC 2119, March 1997. Indicate Requirement Levels", RFC 2119, March 1997.
[RFC3471] Berger, L., "Generalized Multi-Protocol Label Switching [RFC3471] Berger, L., "Generalized Multi-Protocol Label Switching
(GMPLS) Signaling Functional Description", RFC 3471, (GMPLS) Signaling Functional Description", RFC 3471,
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Email: lberger@labn.net Email: lberger@labn.net
Julien Meuric Julien Meuric
France Telecom Orange France Telecom Orange
Research & Development Research & Development
2, Avenue Pierre Marzin 2, Avenue Pierre Marzin
22307 Lannion Cedex - France 22307 Lannion Cedex - France
Phone: +33 2 96 05 28 28 Phone: +33 2 96 05 28 28
Email: julien.meuric@orange.com Email: julien.meuric@orange.com
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