RFC 8780

The Path Computation Element Communication Protocol (PCEP) Extension for Wavelength Switched Optical Network (WSON) Routing and Wavelength Assignment (RWA), July 2020

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Status:
PROPOSED STANDARD
Authors:
Y. Lee, Ed.
R. Casellas, Ed.
Stream:
IETF
Source:
pce (rtg)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC8780

Discuss this RFC: Send questions or comments to pce@ietf.org

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Abstract

This document provides Path Computation Element Communication Protocol (PCEP) extensions for the support of Routing and Wavelength Assignment (RWA) in Wavelength Switched Optical Networks (WSONs). Path provisioning in WSONs requires an RWA process. From a path computation perspective, wavelength assignment is the process of determining which wavelength can be used on each hop of a path and forms an additional routing constraint to optical path computation.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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