Hi PCEers, for those interested in WSON and the recent work on optical impairments we have updated our impairment framework draft:
http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wson-impairments-0 2.txt In this update we have described further the requirement that may occur in some situations to keep a vendors impairment information private and given architectural options leveraging PCE to realize this goal. This allows us to accommodate ITU-T G.680 "situation 1" in a flexible and effective manner. The requirements section has been reorganized as well as the architectural alternatives. Figures have been furnished for architecture alternatives and example PCE configuration. Note that this document focuses on impairment aware path computation (IA-RWA) and does not address optical measurement in any way. Although this work has been primarily addressed in CCAMP WG, we have explored several architecture options including PCE to realize the goal. Your comments are appreciated. Young L. & Greg B.
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