[Idr] draft-chakrabarti-idr-as4-route-cap-01 submitted

"Samita Chakrabarti" <samitac@ipinfusion.com> Tue, 08 July 2008 19:40 UTC

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From: Samita Chakrabarti <samitac@ipinfusion.com>
To: idr@ietf.org
Date: Tue, 08 Jul 2008 12:40:19 -0700
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Subject: [Idr] draft-chakrabarti-idr-as4-route-cap-01 submitted
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The new draft is available at :


Comments and suggestions are welcome.


----Original Message-----
From: IETF I-D Submission Tool [mailto:idsubmission@ietf.org] 
Sent: Monday, July 07, 2008 5:32 PM
To: samitac@ipinfusion.com
Subject: New Version Notification for draft-chakrabarti-idr-as4-route-cap-01

A new version of I-D, draft-chakrabarti-idr-as4-route-cap-01.txt has been
successfuly submitted by Samita Chakrabarti and posted to the IETF

Filename:	 draft-chakrabarti-idr-as4-route-cap
Revision:	 01
Title:		 AS4-specific RD/RT/SOO Capability exchange
Creation_date:	 2008-07-07
WG ID:		 Independent Submission
Number_of_pages: 7

RFC 4893 defines BGP support for four-octet AS number space for
handling AS_PATH attributes and "My ASN" value in BGP OPEN messages.
Foue-Octet AS specific Extended Community attribute formats are
defined in draft-rekhter-as4octet-ext-community-03.txt.  However, an
implementation compliant to RFC 4893 does not necessarily provide
support for 4-Octet Route-distinguisher, Route-target or Site-of-
origin in the BGP-MPLS-VPN.  Thus BGP capability exchange for
extended AS number attribute does not cover the BGP-MPLS-VPN AS4-
specific route-attributes and route-distinguishers.  This document
proposes an optional BGP capability exchange between the Provider
Edge (PE) routers in order to communicate the intention of handling
4-Octet or 2-Octet exteneded AS-specific Route-targets or Site-of-
Origins or being able to handle and inteprete the 4-Octet route-
distinguishers correctly.  This capability parameter will be part of
OPEN message during the BGP session initiation.

The IETF Secretariat.

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