A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : BGP-4 support for Traffic Engineering
Author(s) : B. Abarbanel, S. Venkatachalam
Filename : draft-abarbanel-idr-bgp4-te-00.txt
Pages : 13
Date : 02-May-00
Currently, constraint based (CR) routing and traffic engineering
(TE) models do not take into consideration the big picture view of IP
traffic traversing multiple autonomous systems (AS). Most of the
traffic and constraint routing is based on IGP protocols such as
OSPF/ISIS, etc. The resulting view of the Internet is limited to
one autonomous system and areas or systems within it. Hence, the
routing/forwarding functions do not select the optimum path for
packets that need to traverse several autonomous systems.
The proposal in this draft is that the BGP protocol can be utilized
to choose the best BGP routes based on traffic engineered (TE)
constraint weights. This information can be propagated between all
BGP peers and calculated by the BGP AS border routers before it is
deployed to their forwarding tables.
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