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IETF RFC 8664 PDF

IETF RFC 8664 PDF

Name:
IETF RFC 8664 PDF

Published Date:
12/01/2019

Status:
[ Active ]

Description:

Path Computation Element Communication Protocol (PCEP) Extensions for Segment Routing

Publisher:
Internet Engineering Task Force

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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Abstract

Segment Routing (SR) enables any head-end node to select any path without relying on a hop-byhop signaling technique (e.g., LDP or RSVP-TE). It depends only on "segments" that are advertised by link-state Interior Gateway Protocols (IGPs). An SR path can be derived from a variety of mechanisms, including an IGP Shortest Path Tree (SPT), an explicit configuration, or a Path Computation Element (PCE). This document specifies extensions to the Path Computation Element Communication Protocol (PCEP) that allow a stateful PCE to compute and initiate Traffic- Engineering (TE) paths, as well as a Path Computation Client (PCC) to request a path subject to certain constraints and optimization criteria in SR networks.

This document updates RFC 8408.


Edition : 19
File Size : 1 file , 260 KB
Number of Pages : 29
Published : 12/01/2019

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