A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Root cause notification to solve BGP path hunting
Author(s) : K. Patel, et al.
Filename : draft-keyupate-bgp-rcn-00.txt
Pages : 12
Date : 2010-08-08
Whenever a prefix is withdrawn using BGP withdrawal mechanism, it
triggers a number of updates in certain scenarios before the prefix
is completly withdrawn from the entire BGP network. This phenomenon
is popularly known as _path exploration_ or _path hunting_ and occurs
because of path vector property of BGP. It results in a series of
unwanted or redundant transitions that overloads the BGP network.
This document describes a mechanism to help limit the amount of such
path exploration by defining two optional transitive path attributes
for BGP: SPEAKERID_PATH and ROOT_CAUSE.
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