mLDP Node Protection
draft-wijnands-mpls-mldp-node-protection-04

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Abstract

This document describes procedures to support node protection for Point-to-Multipoint and Multipoint-to-Multipoint Label Switched Paths (MP LSPs) built by LDP ("Label Distribution Protocol"), or simply mLDP. In order to protect a node N, the Point of Local Repair (PLR) LSR of N must learn the Merge Point (MPT) LSR(s) of node N such that traffic can be redirected to them in case node N fails. Redirecting the traffic around the failed node N depends on existing P2P LSPs originated from the PLR LSR to the MPT LSRs while bypassing LSR node N.

Authors

IJsbrand Wijnands <ice@cisco.com>
Eric Rosen <erosen@cisco.com>
Kamran Raza <skraza@cisco.com>
Jeff Tantsura <jeff.tantsura@ericsson.com>
Alia Atlas <akatlas@juniper.net>
Quintin Zhao <quintin.zhao@huawei.com>

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