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This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.
Title : Definition of an RRO node-id subobject
Author(s) : J. Vasseur et al.
Filename : draft-ietf-mpls-nodeid-subobject-00.txt
Pages : 8
Date : 2003-4-18
In the context of MPLS TE Fast Reroute ([FAST-REROUTE]), the Merge
Point (MP) address is required at the Point of Local Repair (PLR) in
order to select a backup tunnel intersecting a protected Traffic
Engineering LSP on a downstream LSR. However, existing protocol
mechanisms are not sufficient to find MP address multi-areas or multi-
domain routing network. Hence, the current MPLS Fast Reroute mechanism
cannot be used to protect inter-area or inter-AS TE LSPs from a failure
of an ABR (Area Border Router) or ASBR (Autonomous System Border
Router) respectively. This document specifies the use of existing RRO
IPv4 and IPv6 subobjects (with a new flag defined) to define the node-
id subobject in order to solve this issue.
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