I-D Action:draft-lu-ldp-igp-sync-bcast-01.txt

Internet-Drafts@ietf.org Tue, 20 October 2009 23:15 UTC

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A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title           : LDP IGP Synchronization for broadcast networks
	Author(s)       : W. Lu, S. Kini
	Filename        : draft-lu-ldp-igp-sync-bcast-01.txt
	Pages           : 7
	Date            : 2009-10-20

[LDP-IGP-SYNC] describes a mechanism to prevent black-holing traffic 
(e.g. VPN) when IGP is operational on a link but LDP is not. If this 
mechanism is applied to broadcast links that have more than one 
LDP/IGP peer, the cost-out procedure can only be applied to the link 
as a whole but not an individual peer. When a new LDP peer comes up 
on a broadcast network, this can result in loss of traffic through 
other established peers on that network. This document describes a 
mechanism to address that use-case without dropping traffic. The 
mechanism does not introduce any protocol changes.

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