draft-ietf-pce-wson-rwa-ext-15.txt		draft-ietf-pce-wson-rwa-ext-16.txt
	Network Working Group Y. Lee, Ed.		Network Working Group Y. Lee, Ed.
	Internet Draft Huawei Technologies		Internet Draft Huawei Technologies
	Intended status: Standard Track R. Casellas, Ed.		Intended status: Standard Track R. Casellas, Ed.
	Expires: August 21, 2019 CTTC		Expires: September 1, 2019 CTTC
	February 22, 2019		March 1, 2019
	PCEP Extension for WSON Routing and Wavelength Assignment		PCEP Extension for WSON Routing and Wavelength Assignment
	draft-ietf-pce-wson-rwa-ext-15		draft-ietf-pce-wson-rwa-ext-16
	Abstract		Abstract
	This document provides the Path Computation Element communication		This document provides the Path Computation Element communication
	Protocol (PCEP) extensions for the support of Routing and Wavelength		Protocol (PCEP) extensions for the support of Routing and Wavelength
	Assignment (RWA) in Wavelength Switched Optical Networks (WSON).		Assignment (RWA) in Wavelength Switched Optical Networks (WSON).
	Path provisioning in WSONs requires a routing and wavelength		Path provisioning in WSONs requires a routing and wavelength
	assignment (RWA) process. From a path computation perspective,		assignment (RWA) process. From a path computation perspective,
	wavelength assignment is the process of determining which wavelength		wavelength assignment is the process of determining which wavelength
	can be used on each hop of a path and forms an additional routing		can be used on each hop of a path and forms an additional routing
	skipping to change at page 2, line 7 ¶		skipping to change at page 2, line 7 ¶
	Internet-Drafts are draft documents valid for a maximum of six		Internet-Drafts are draft documents valid for a maximum of six
	months and may be updated, replaced, or obsoleted by other documents		months and may be updated, replaced, or obsoleted by other documents
	at any time. It is inappropriate to use Internet-Drafts as		at any time. It is inappropriate to use Internet-Drafts as
	reference material or to cite them other than as "work in progress."		reference 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/ietf/1id-abstracts.txt		http://www.ietf.org/ietf/1id-abstracts.txt
	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 August 21, 2019.		This Internet-Draft will expire on September 1, 2019.
	Copyright Notice		Copyright Notice
	Copyright (c) 2019 IETF Trust and the persons identified as the		Copyright (c) 2019 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
	skipping to change at page 3, line 15 ¶		skipping to change at page 3, line 15 ¶
	7. Security Considerations.......................................23		7. Security Considerations.......................................23
	8. IANA Considerations...........................................23		8. IANA Considerations...........................................23
	8.1. New PCEP Object: Wavelength Assignment Object............23		8.1. New PCEP Object: Wavelength Assignment Object............23
	8.2. WA Object Flag Field.....................................24		8.2. WA Object Flag Field.....................................24
	8.3. New PCEP TLV: Wavelength Selection TLV...................24		8.3. New PCEP TLV: Wavelength Selection TLV...................24
	8.4. New PCEP TLV: Wavelength Restriction Constraint TLV......24		8.4. New PCEP TLV: Wavelength Restriction Constraint TLV......24
	8.5. Wavelength Restriction Constraint TLV Action Values......25		8.5. Wavelength Restriction Constraint TLV Action Values......25
	8.6. New PCEP TLV: Wavelength Allocation TLV..................25		8.6. New PCEP TLV: Wavelength Allocation TLV..................25
	8.7. Wavelength Allocation TLV Flag Field.....................26		8.7. Wavelength Allocation TLV Flag Field.....................26
	8.8. New PCEP TLV: Optical Interface Class List TLV...........26		8.8. New PCEP TLV: Optical Interface Class List TLV...........26
	8.9. New PCEP TLV: Client Signal TLV..........................26		8.9. New PCEP TLV: Client Signal TLV..........................27
	8.10. New No-Path Reasons.....................................27		8.10. New No-Path Reasons.....................................27
	8.11. New Error-Types and Error-Values........................27		8.11. New Error-Types and Error-Values........................27
	8.12. New Subobjects for the Exclude Route Object.............28		8.12. New Subobjects for the Exclude Route Object.............28
	8.13. New Subobjects for the Include Route Object.............28		8.13. New Subobjects for the Include Route Object.............28
	8.14. Request for Updated Note for LMP TE Link Object Class Type		8.14. Request for Updated Note for LMP TE Link Object Class Type
	..............................................................28		..............................................................29
	9. Acknowledgments...............................................29		9. Acknowledgments...............................................29
	10. References...................................................29		10. References...................................................29
	10.1. Normative References....................................29		10.1. Normative References....................................29
	10.2. Informative References..................................30		10.2. Informative References..................................30
	11. Contributors.................................................32		11. Contributors.................................................32
	Authors' Addresses...............................................33		Authors' Addresses...............................................33
	1. Terminology		1. Terminology
	This document uses the terminology defined in [RFC4655], and		This document uses the terminology defined in [RFC4655], and
	skipping to change at page 24, line 26 ¶		skipping to change at page 24, line 26 ¶
	o Defining RFC		o Defining RFC
	The following values are defined in this document:		The following values are defined in this document:
	One bit is defined for the WA Object flag in this document:		One bit is defined for the WA Object flag in this document:
	Codespace of the Flag field (WA Object)		Codespace of the Flag field (WA Object)
	Bit Description Reference		Bit Description Reference
	-------------------------------------------------		-------------------------------------------------
	15 explicit label control [This.I-D]		0-14 Unassigned [This.I-D]
			15 Explicit Label Control [This.I-D]
	8.3. New PCEP TLV: Wavelength Selection TLV		8.3. New PCEP TLV: Wavelength Selection TLV
	As described in Sections 4.2, a new PCEP TLV is defined to indicate		As described in Sections 4.2, a new PCEP TLV is defined to indicate
	wavelength selection constraints. IANA is to allocate this new TLV		wavelength selection constraints. IANA is to allocate this new TLV
	from the "PCEP TLV Type Indicators" subregistry		from the "PCEP TLV Type Indicators" subregistry
	(http://www.iana.org/assignments/pcep/pcep.xhtml#pcep-tlv-type-		(http://www.iana.org/assignments/pcep/pcep.xhtml#pcep-tlv-type-
	indicators).		indicators).
	Value Description Reference		Value Description Reference
	skipping to change at page 26, line 25 ¶		skipping to change at page 26, line 25 ¶
	o Defining RFC		o Defining RFC
	One bit is defined for the Wavelength Allocation flag in this -		One bit is defined for the Wavelength Allocation flag in this -
	document:		document:
	Codespace of the Flag field (Wavelength Allocation TLV)		Codespace of the Flag field (Wavelength Allocation TLV)
	Bit Description Reference		Bit Description Reference
	-------------------------------------------------		-------------------------------------------------
			0-14 Unassigned [This.I-D]
	15 Wavelength Allocation Mode [This.I-D]		15 Wavelength Allocation Mode [This.I-D]
	8.8. New PCEP TLV: Optical Interface Class List TLV		8.8. New PCEP TLV: Optical Interface Class List TLV
	As described in Section 4.4, a new PCEP TLV is defined to indicate		As described in Section 4.4, a new PCEP TLV is defined to indicate
	the optical interface class list. IANA is to allocate this new TLV		the optical interface class list. IANA is to allocate this new TLV
	from the "PCEP TLV Type Indicators" subregistry		from the "PCEP TLV Type Indicators" subregistry
	(http://www.iana.org/assignments/pcep/pcep.xhtml#pcep-tlv-type-		(http://www.iana.org/assignments/pcep/pcep.xhtml#pcep-tlv-type-
	indicators).		indicators).
	skipping to change at page 27, line 40 ¶		skipping to change at page 28, line 6 ¶
	As described in Section 5.2, new PCEP error codes are defined for		As described in Section 5.2, new PCEP error codes are defined for
	WSON RWA errors. IANA is to allocate from the ""PCEP-ERROR Object		WSON RWA errors. IANA is to allocate from the ""PCEP-ERROR Object
	Error Types and Values" sub-registry		Error Types and Values" sub-registry
	(http://www.iana.org/assignments/pcep/pcep.xhtml#pcep-error-object).		(http://www.iana.org/assignments/pcep/pcep.xhtml#pcep-error-object).
	Error- Meaning Error-Value Reference		Error- Meaning Error-Value Reference
	Type		Type
	---------------------------------------------------------------		---------------------------------------------------------------
	TBD8 WSON RWA Error 1: Insufficient [This.I-D]		TBD8 WSON RWA Error 0: Unassigned [This.I-D]
			1: Insufficient [This.I-D]
	Memory		Memory
	2: RWA computation [This.I-D]		2: RWA computation [This.I-D]
	Not supported		Not supported
	3: Syntactical [This.I-D]		3: Syntactical [This.I-D]
	Encoding error		Encoding error
			4-255: Unassigned [This.I-D]
	8.12. New Subobjects for the Exclude Route Object		8.12. New Subobjects for the Exclude Route Object
	As described in Section 4.4.1, the "PCEP Parameters" registry		As described in Section 4.4.1, the "PCEP Parameters" registry
	contains a subregistry "PCEP Objects" with an entry for the Exclude		contains a subregistry "PCEP Objects" with an entry for the Exclude
	Route Object (XRO). IANA is requested to add further subobjects that		Route Object (XRO). IANA is requested to add further subobjects that
	can be carried in the XRO as follows:		can be carried in the XRO as follows:
	Subobject Type Reference		Subobject Type Reference
	----------------------------------------------------------		----------------------------------------------------------
End of changes. 10 change blocks.
	8 lines changed or deleted		16 lines changed or added
This html diff was produced by rfcdiff 1.47. The latest version is available from http://tools.ietf.org/tools/rfcdiff/