A new Request for Comments is now available in online RFC libraries.
RFC 8426
Title: Recommendations for RSVP-TE and Segment
Routing (SR) Label Switched Path (LSP)
Coexistence
Author: H. Sitaraman, Ed.,
V. Beeram,
I. Minei,
S. Sivabalan
Status: Informational
Stream: IETF
Date: July 2018
Mailbox: hsitaraman@juniper.net,
vbeeram@juniper.net,
inaminei@google.com,
msiva@cisco.com
Pages: 12
Characters: 26052
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-teas-sr-rsvp-coexistence-rec-04.txt
URL: https://www.rfc-editor.org/info/rfc8426
DOI: 10.17487/RFC8426
Operators are looking to introduce services over Segment Routing (SR)
Label Switched Paths (LSPs) in networks running Resource Reservation
Protocol - Traffic Engineering (RSVP-TE) LSPs. In some instances,
operators are also migrating existing services from RSVP-TE to SR
LSPs. For example, there might be certain services that are well
suited for SR and need to coexist with RSVP-TE in the same network.
Such introduction or migration of traffic to SR might require
coexistence with RSVP-TE in the same network for an extended period
of time, depending on the operator's intent. The following document
provides solution options for keeping the traffic engineering
database consistent across the network, accounting for the different
bandwidth utilization between SR and RSVP-TE.
This document is a product of the Traffic Engineering Architecture and Signaling Working Group of the IETF.
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