A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : AS4-specific RD/RT/SOO Capability exchange
Author(s) : S. Chakrabarti
Filename : draft-chakrabarti-idr-as4-route-cap-00.txt
Pages : 7
Date : 2008-07-07
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.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-chakrabarti-idr-as4-route-cap-00.txt
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- <ftp://ftp.ietf.org/internet-drafts/draft-chakrabarti-idr-as4-route-cap-00.txt>
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