PCEP Requirements for WSON Routing and Wavelength Assignment

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Document Type Expired Internet-Draft (pce WG)
Last updated 2013-04-21 (latest revision 2012-10-18)
Replaces draft-lee-pce-wson-routing-wavelength
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo provides application-specific requirements for the Path Computation Element communication Protocol (PCEP) for the support of Wavelength Switched Optical Networks (WSON). 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 Optical impairments will be addressed in a separate document.


Young Lee (ylee@huawei.com)
Greg Bernstein (gregb@grotto-networking.com)
Jonas Martensson (jonas.martensson@acreo.se)
Tomonori Takeda (takeda.tomonori@lab.ntt.co.jp)
Takehiro Tsuritani (tsuri@kddilabs.jp)
Oscar de Dios (ogondio@tid.es)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)