[mpls] I-D Action:draft-ietf-mpls-ldp-igp-sync-bcast-06.txt

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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.


	Title           : LDP IGP Synchronization for broadcast networks
	Author(s)       : S. Kini, W. Lu
	Filename        : draft-ietf-mpls-ldp-igp-sync-bcast-06.txt
	Pages           : 11
	Date            : 2010-11-23

RFC 5443 describes a mechanism to achieve LDP IGP Synchronization to
prevent black-holing traffic (e.g. VPN) when an interior gateway
protocol (IGP) is operational on a link but Label Distribution
Protocol (LDP) is not. If this mechanism is applied to broadcast
links that have more than one LDP/IGP peer, the metric increase
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 message changes.

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