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RFC 8051
Title: Applicability of a Stateful Path
Computation Element (PCE)
Author: X. Zhang, Ed.,
I. Minei, Ed.
Status: Informational
Stream: IETF
Date: January 2017
Mailbox: zhang.xian@huawei.com,
inaminei@google.com
Pages: 24
Characters: 58011
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pce-stateful-pce-app-08.txt
URL: https://www.rfc-editor.org/info/rfc8051
DOI: 10.17487/RFC8051
A stateful Path Computation Element (PCE) maintains information about
Label Switched Path (LSP) characteristics and resource usage within a
network in order to provide traffic-engineering calculations for its
associated Path Computation Clients (PCCs). This document describes
general considerations for a stateful PCE deployment and examines its
applicability and benefits, as well as its challenges and
limitations, through a number of use cases. PCE Communication
Protocol (PCEP) extensions required for stateful PCE usage are
covered in separate documents.
This document is a product of the Path Computation Element Working Group of the IETF.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
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