I-D Action: draft-iqbal-spring-mpls-ping-algo-02.txt
internet-drafts@ietf.org Tue, 23 February 2021 19:37 UTC
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : LSP Ping/Traceroute for Prefix SID in Presence of Multi-Algorithm/Multi- Topology Networks Authors : Zafar Ali Carlos Pignataro Faisal Iqbal Filename : draft-iqbal-spring-mpls-ping-algo-02.txt Pages : 12 Date : 2021-02-23 Abstract: [RFC8287] defines the extensions to MPLS LSP Ping and Traceroute for Segment Routing IGP-Prefix and IGP-Adjacency Segment Identifier (SIDs) with an MPLS data plane. The machinery defined in [RFC8287] works well in single topology, single algorithm deployments where each Prefix SID is only associated with a single IP prefix. In multi-topology networks, or networks deploying multiple algorithms for the same IP Prefix, MPLS echo request needs to carry additional information in the Target FEC Stack sub-TLVs to properly validate IGP Prefix SID. This document updates [RFC8287] by modifying IPv4 and IPv6 IGP-Prefix Segment ID FEC sub-TLVs to also include algorithm identification while maintaining backwards compatibility. This document also introduces new Target FEC Stack sub-TLVs for Prefix SID validation in multi-topology networks. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-iqbal-spring-mpls-ping-algo/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-iqbal-spring-mpls-ping-algo-02 https://datatracker.ietf.org/doc/html/draft-iqbal-spring-mpls-ping-algo-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-iqbal-spring-mpls-ping-algo-02 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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