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RFC 5376
Title: Inter-AS Requirements for the Path
Computation Element Communication Protocol (PCECP)
Author: N. Bitar, R. Zhang, K. Kumaki
Status: Informational
Date: November 2008
Mailbox: [EMAIL PROTECTED],
[EMAIL PROTECTED],
[EMAIL PROTECTED]
Pages: 14
Characters: 33114
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pce-interas-pcecp-reqs-06.txt
URL: http://www.rfc-editor.org/rfc/rfc5376.txt
Multiprotocol Label Switching Traffic Engineered (MPLS TE) Label
Switched Paths (LSPs) may be established wholly within an Autonomous
System (AS) or may cross AS boundaries.
The Path Computation Element (PCE) is a component that is capable of
computing constrained paths for (G)MPLS TE LSPs. The PCE Communication
Protocol (PCECP) is defined to allow communication between Path Computation
Clients (PCCs) and PCEs, as well as between PCEs.
The PCECP is used to request constrained paths and to supply computed
paths in response. Generic requirements for the PCECP are set out in
"Path Computation Element (PCE) Communication Protocol Generic
Requirements", RFC 4657. This document extends those requirements to
cover the use of PCECP in support of inter-AS MPLS TE. This memo provides
information for the Internet community.
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
this memo is unlimited.
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