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-00.txt
Pages : 13
Date : 2020-01-06
Abstract:
Multiprotocol BGP (MP-BGP) [RFC4760] specifies that the set of
network-layer protocols to which the address carried in the Next Hop
field may belong 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 in order 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-00
https://datatracker.ietf.org/doc/html/draft-ietf-bess-rfc5549revision-00
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.
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ftp://ftp.ietf.org/internet-drafts/
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