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 : FIB Suppression with Virtual Aggregation
Author(s) : Paul Francis
Xiaohu Xu
Hitesh Ballani
Dan Jen
Robert Raszuk
Lixia Zhang
Filename : draft-ietf-grow-va-05.txt
Pages : 24
Date : 2011-06-30
The continued growth in the Default Free Routing Table (DFRT)
stresses the global routing system in a number of ways. One of the
most costly stresses is FIB size: ISPs often must upgrade router
hardware simply because the FIB has run out of space, and router
vendors must design routers that have adequate FIB. FIB suppression
is an approach to relieving stress on the FIB by not loading selected
RIB entries into the FIB. Virtual Aggregation (VA) allows ISPs to
shrink the FIBs of any and all routers, easily by an order of
magnitude with negligible increase in path length and load. FIB
suppression can be deployed autonomously by an ISP without requiring
cooperation between adjacent ISPs, and can co-exist with legacy
routers in the ISP.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-grow-va-05.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-grow-va-05.txt
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