[Pce] RFC 8780 on The Path Computation Element Communication Protocol (PCEP) Extension for Wavelength Switched Optical Network (WSON) Routing and Wavelength Assignment (RWA)

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        RFC 8780

        Title:      The Path Computation Element Communication 
                    Protocol (PCEP) Extension for Wavelength Switched 
                    Optical Network (WSON) Routing and Wavelength 
                    Assignment (RWA) 
        Author:     Y. Lee, Ed.,
                    R. Casellas, Ed.
        Status:     Standards Track
        Stream:     IETF
        Date:       July 2020
        Mailbox:    younglee.tx@gmail.com, 
                    ramon.casellas@cttc.es
        Pages:      26
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-pce-wson-rwa-ext-17.txt

        URL:        https://www.rfc-editor.org/info/rfc8780

        DOI:        10.17487/RFC8780

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.

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

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the 
standardization state and status of this protocol.  Distribution of this 
memo is unlimited.

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