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Title : PCEP Requirements and Extensions for WSON Routing and Wavelength Assignment
Author(s) : Y. Lee, G. Bernstein
Filename : draft-lee-pce-wson-routing-wavelength-02.txt
Pages : 16
Date : 2008-6-30
This memo provides application-specific requirements and protocol
enhancements 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.
Different computational architectures for the RWA process are given
and the PCEP extensions needed to support these architectures are
defined.
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