[rfc-dist] RFC 7449 on Path Computation Element Communication Protocol (PCEP) Requirements for Wavelength Switched Optical Network (WSON) Routing and Wavelength Assignment

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Mon Feb 2 21:35:17 PST 2015


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        RFC 7449

        Title:      Path Computation Element Communication Protocol 
                    (PCEP) Requirements for Wavelength Switched Optical 
                    Network (WSON) Routing and Wavelength Assignment 
        Author:     Y. Lee, Ed., G. Bernstein, Ed.,
                    J. Martensson, T. Takeda,
                    T. Tsuritani, O. Gonzalez de Dios
        Status:     Informational
        Stream:     IETF
        Date:       February 2015
        Mailbox:    leeyoung at huawei.com, 
                    gregb at grotto-networking.com, 
                    jonas.martensson at acreo.se,
                    tomonori.takeda at ntt.com, 
                    tsuri at kddilabs.jp,
                    oscar.gonzalezdedios at telefonica.com
        Pages:      12
        Characters: 25117
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-pce-wson-routing-wavelength-15.txt

        URL:        https://www.rfc-editor.org/info/rfc7449

This memo provides application-specific requirements for the Path
Computation Element Communication Protocol (PCEP) for the support of
Wavelength Switched Optical Networks (WSONs).  Lightpath provisioning
in WSONs requires a Routing and Wavelength Assignment (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 light
path computation.  Requirements for PCEP extensions in support of
optical impairments will be addressed in a separate document.

This document is a product of the Path Computation Element Working Group of the IETF.


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