< draft-ietf-idr-eag-distribution-10.txt		draft-ietf-idr-eag-distribution-11.txt >
	IDR Working Group Z. Wang		IDR Working Group Z. Wang
	Internet-Draft Q. Wu		Internet-Draft Q. Wu
	Intended status: Standards Track Huawei		Intended status: Standards Track Huawei
	Expires: May 24, 2020 J. Tantsura		Expires: May 24, 2020 J. Tantsura
	Apstra, Inc.		Apstra, Inc.
	K. Talaulikar		K. Talaulikar
	Cisco Systems		Cisco Systems
	November 21, 2019		November 21, 2019
	Distribution of MPLS-TE Extended admin Group Using BGP-LS		Distribution of Traffic Engineering Extended Admin Groups using BGP-LS
	draft-ietf-idr-eag-distribution-10		draft-ietf-idr-eag-distribution-11
	Abstract		Abstract
	Administrative groups (commonly referred to as "colors" or "link		Administrative groups (commonly referred to as "colors" or "link
	colors") are link attributes that are advertised by link state		colors") are link attributes that are advertised by link state
	protocols like IS-IS (Intermediate System to Intermediate System) and		protocols like IS-IS (Intermediate System to Intermediate System) and
	OSPF (Open Shortest Path First) and used for traffic engineering.		OSPF (Open Shortest Path First) and used for traffic engineering.
	These administrative groups have initially been defined as a fixed-		These administrative groups have initially been defined as a fixed-
	length 32-bit bitmask. As networks grew and more use-cases were		length 32-bit bitmask. As networks grew and more use-cases were
	introduced, the 32-bit length was found to be constraining and hence		introduced, the 32-bit length was found to be constraining and hence
	extended administrative groups were introduced in the link state		extended administrative groups were introduced in the link state
	protocols. The 32-bit administrative groups are already advertised		protocols. The 32-bit administrative groups are already advertised
	as link attributes in BGP-LS. This document introduces extensions to		as link attributes in BGP-LS (Border Gateway Protocol Link-State).
	BGP-LS (Border Gateway Protocol Link-State) for advertisement of the		This document defines extensions to BGP-LS for advertisement of the
	extended administrative groups.		extended administrative groups.
	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-
	skipping to change at page 3, line 52 ¶		skipping to change at page 3, line 52 ¶
	o Type: 1173		o Type: 1173
	o Length: variable (MUST be multiple of 4); represents the total		o Length: variable (MUST be multiple of 4); represents the total
	length of the value field in octets.		length of the value field in octets.
	o Value : one or more sets of 32-bit bitmasks that indicate the		o Value : one or more sets of 32-bit bitmasks that indicate the
	administrative groups (colors) that are enable on the link when		administrative groups (colors) that are enable on the link when
	those specific bits are set.		those specific bits are set.
	The EAG TLV is an optional TLV. The existing AG TLV 108 and the EAG		The EAG TLV is an optional TLV. The existing AG TLV 108 and the EAG
	TLV introduced in this document MAY be advertised together. The		TLV defined in this document MAY be advertised together. The
	semantics of the EAG and the backward compatibility aspects of EAG		semantics of the EAG and the backward compatibility aspects of EAG
	with respect to the AG are handled as described in the Backward		with respect to the AG are handled as described in the Backward
	Compatibility section of [RFC7308].		Compatibility section of [RFC7308].
	3. IANA Considerations		3. IANA Considerations
	This document requests assigning code-point from the registry "BGP-LS		This document requests assigning code-point from the registry "BGP-LS
	Node Descriptor, Link Descriptor, Prefix Descriptor, and Attribute		Node Descriptor, Link Descriptor, Prefix Descriptor, and Attribute
	TLVs" based on table below. Early allocation for these code-points		TLVs" based on table below. Early allocation for these code-points
	have been done by IANA.		have been done by IANA.
End of changes. 3 change blocks.
	5 lines changed or deleted		5 lines changed or added
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