A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the BGP Enabled ServiceS WG of the IETF.
Title : Advertising IPv4 Network Layer Reachability
Information with an IPv6 Next Hop
Authors : Stephane Litkowski
Swadesh Agrawal
Krishna Muddenahally Ananthamurthy
Keyur Patel
Filename : draft-ietf-bess-rfc5549revision-03.txt
Pages : 13
Date : 2020-02-11
Abstract:
Multiprotocol BGP (MP-BGP) specifies that the set of usable next-hop
address families is determined by the Address Family Identifier (AFI)
and the Subsequent Address Family Identifier (SAFI). The current
AFI/SAFI definitions for the IPv4 address family only have provisions
for advertising a Next Hop address that belongs to the IPv4 protocol
when advertising IPv4 Network Layer Reachability Information (NLRI)
or VPN-IPv4 NLRI. This document specifies the extensions necessary
to allow advertising IPv4 NLRI or VPN-IPv4 NLRI with a Next Hop
address that belongs to the IPv6 protocol. This comprises an
extension of the AFI/SAFI definitions to allow the address of the
Next Hop for IPv4 NLRI or VPN-IPv4 NLRI to also belong to the IPv6
protocol, the encoding of the Next Hop to determine which of the
protocols the address actually belongs to, and a new BGP Capability
allowing MP-BGP Peers to dynamically discover whether they can
exchange IPv4 NLRI and VPN-IPv4 NLRI with an IPv6 Next Hop.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-rfc5549revision/
There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-bess-rfc5549revision-03
https://datatracker.ietf.org/doc/html/draft-ietf-bess-rfc5549revision-03
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-rfc5549revision-03
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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