[rfc-dist] RFC 7715 on Multipoint LDP (mLDP) Node Protection

rfc-editor at rfc-editor.org rfc-editor at rfc-editor.org
Fri Jan 8 11:02:21 PST 2016


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        RFC 7715

        Title:      Multipoint LDP (mLDP) Node Protection 
        Author:     IJ. Wijnands, Ed.,
                    K. Raza,
                    A. Atlas,
                    J. Tantsura,
                    Q. Zhao
        Status:     Standards Track
        Stream:     IETF
        Date:       January 2016
        Mailbox:    ice at cisco.com, 
                    skraza at cisco.com, 
                    akatlas at juniper.net,
                    jeff.tantsura at ericsson.com, 
                    quintin.zhao at huawei.com
        Pages:      19
        Characters: 39353
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-mpls-mldp-node-protection-08.txt

        URL:        https://www.rfc-editor.org/info/rfc7715

        DOI:        http://dx.doi.org/10.17487/RFC7715

This document describes procedures to support node protection for
Point-to-Multipoint and Multipoint-to-Multipoint Label Switched Paths
(P2MP and MP2MP LSPs) that have been built by the Multipoint Label
Distribution Protocol (mLDP).  In order to protect a node N, the
Point of Local Repair (PLR) Label Switching Router (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 Point-to-Point (P2P)
Label Switched Paths (LSPs).  The pre-established LSPs originate from
the PLR LSR and terminate on the MPT LSRs while bypassing LSR N.

This document is a product of the Multiprotocol Label Switching Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
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standardization state and status of this protocol.  Distribution of this 
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