A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Source Packet Routing in Networking WG of the
IETF.
Title : Anycast Segments in MPLS based Segment Routing
Authors : Pushpasis Sarkar
Hannes Gredler
Clarence Filsfils
Stefano Previdi
Bruno Decraene
Martin Horneffer
Filename : draft-ietf-spring-mpls-anycast-segments-03.txt
Pages : 19
Date : 2020-04-27
Abstract:
Instead of forwarding to a specific device or to all devices in a
group, anycast addresses, let network devices forward a packet to (or
steer it through) one or more topologically nearest devices in a
specific group of network devices. The use of anycast addresses has
been extended to the Segment Routing (SR) network, wherein a group of
SR-capable devices can represent a anycast address, by having the
same Segment Routing Global Block (SRGB) provisioned on all the
devices and each one of them advertising the same anycast prefix
segment (or Anycast SID).
This document describes a proposal for implementing anycast prefix
segments in a MPLS-based SR network, without the need to have the
same SRGB block (label ranges) provisioned across all the member
devices in the group. Each node can be provisioned with a separate
SRGB from the label range supported by the specfic hardware platform.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-spring-mpls-anycast-segments/
There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-spring-mpls-anycast-segments-03
https://datatracker.ietf.org/doc/html/draft-ietf-spring-mpls-anycast-segments-03
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-spring-mpls-anycast-segments-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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