Label Switched Path (LSP) Ping/Traceroute for Segment Routing SIDs with MPLS Data-plane
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RFC8402 introduces Segment Routing architecture that leverages source
routing and tunneling paradigms and can be directly applied to the
Multi Protocol Label Switching (MPLS) data plane. A node steers a
packet through a controlled set of instructions called segments, by
prepending the packet with Segment Routing header. SR architecture
defines different types of segments with different forwarding
semantics associated. 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. RFC8287 defines the
Target FEC Stack Sub-TLVs and the procedures to apply RFC8029 on SR
architecture with MPLS data plane. This document defines the Target
FEC Stack Sub-TLVs and the extension required for other SR Segments.
[1] Jon Postel,et al. Internet Control Message Protocol , 1981, RFC.