< draft-ietf-idr-eag-distribution-14.txt		draft-ietf-idr-eag-distribution-15.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: August 21, 2021 J. Tantsura		Expires: September 10, 2021 J. Tantsura
	Juniper Networks		Juniper Networks
	K. Talaulikar		K. Talaulikar
	Cisco Systems		Cisco Systems
	February 17, 2021		March 9, 2021
	Distribution of Traffic Engineering Extended Admin Groups using BGP-LS		Distribution of Traffic Engineering Extended Admin Groups using BGP-LS
	draft-ietf-idr-eag-distribution-14		draft-ietf-idr-eag-distribution-15
	Abstract		Abstract
	Administrative groups are link attributes (commonly referred to as		Administrative groups are link attributes (commonly referred to as
	"colors" or "link colors") advertised by link state protocols (e.g.		"colors" or "link colors") advertised by link state protocols (e.g.
	ISIS or OSPF) and used for traffic engineering. These administrative		ISIS or OSPF) and used for traffic engineering. These administrative
	groups were initially defined as 32 bit masks. As network usage		groups were initially defined as 32 bit masks. As network usage
	grew, these 32 bit masks were found to constrain traffic engineering.		grew, these 32 bit masks were found to constrain traffic engineering.
	Therefore, link state protocols (ISIS, OSPF) were expanded to		Therefore, link state protocols (ISIS, OSPF) were expanded to
	advertise a variable length administrative group.This document		advertise a variable length administrative group.This document
	skipping to change at page 1, line 43 ¶		skipping to change at page 1, line 43 ¶
	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 https://datatracker.ietf.org/drafts/current/.		Drafts is at https://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 August 21, 2021.		This Internet-Draft will expire on September 10, 2021.
	Copyright Notice		Copyright Notice
	Copyright (c) 2021 IETF Trust and the persons identified as the		Copyright (c) 2021 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
	(https://trustee.ietf.org/license-info) in effect on the date of		(https://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 37 ¶		skipping to change at page 3, line 37 ¶
	| Extended Administrative Groups (variable) //		| Extended Administrative Groups (variable) //
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Figure 1: Extended Administrative Groups TLV Format		Figure 1: Extended Administrative Groups TLV Format
	Where:		Where:
	o Type: 1173		o Type: 1173
	o Length: variable length which represents the total length of the		o Length: variable length which represents the total length of the
	value field. The length value must MUST be multiple of 4. If the		value field. The length value MUST be multiple of 4. If the
	length is not a multiple of 4, the TLV must be considered		length is not a multiple of 4, the TLV MUST be considered
	malformed.		malformed.
	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 enabled on the link when
	those specific bits are set.		those specific bits are set.
	The EAG TLV is an optional TLV. The originally defined AG TLV 1108		The EAG TLV is an optional TLV. The originally defined AG TLV 1108
	and the EAG TLV 1173 defined in this document MAY be advertised		and the EAG TLV 1173 defined in this document MAY be advertised
	together. The semantics of the EAG and the backward compatibility		together. The semantics of the EAG and the backward compatibility
	aspects of EAG with respect to the AG are handled as described in the		aspects of EAG with respect to the AG are handled as described in the
	Backward Compatibility section of [RFC7308], namely - If a node		Backward Compatibility section of [RFC7308], namely - If a node
	advertises both AG and EAG, then the first 32 bits of the EAG MUST be		advertises both AG and EAG, then the first 32 bits of the EAG MUST be
	identical to the advertised AG.		identical to the advertised AG.
End of changes. 6 change blocks.
	7 lines changed or deleted		7 lines changed or added
This html diff was produced by rfcdiff 1.48. The latest version is available from http://tools.ietf.org/tools/rfcdiff/