PCEP
312
MPLS Guide
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3HE 18686 AAAB TQZZA
• support of end-to-end secondary backup paths for an LSP. PCE standards do
not currently support an LSP container with multiple paths, and the PCE treats
each request as a path with a unique PLSP-ID. It is up to the router to tie the two
paths together to create 1:1 protection and to request path or SRLG diversity
among them when it makes the request to the PCE.
• jitter, latency, and packet loss metrics support as per RFC 7471 and draft-ietf-
isis-te-metric-extensions, and their use in the PCE metric object as per draft-ietf-
pce-pcep-service-aware
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