A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Global Routing Operations Working Group of the IETF.
Title : Simple Virtual Aggregation (S-VA)
Author(s) : Robert Raszuk
Jakob Heitz
Alton Lo
Lixia Zhang
Xiaohu Xu
Filename : draft-ietf-grow-simple-va-11.txt
Pages : 9
Date : 2012-07-31
Abstract:
All BGP routers in the Default Free Zone (DFZ) are required to carry
all the routes in the Default Free Routing Table (DFRT). A technique
is described that allows some BGP routers not to install all of those
routes into the Forwarding Information Base (FIB).
Some routers in an Autonomous System (AS) announce an aggregate (the
VA prefix) in addition to the routes they already announce. This
enables other routers not to install the routes covered by the VA
prefix into the FIB as long as those routes have the same next-hop as
the VA prefix.
The VA prefixes that are announced within an AS are not announced to
any other AS. In contrast to VA, S-VA reduces operational complexity
by proposing local to given BGP speaker solution without any
dependency on network wide configuration or requires presence of any
form of intra-domain tunneling.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-grow-simple-va
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-grow-simple-va-11
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-grow-simple-va-11
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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