Framework for Optical Impairments update...

[Greg Bernstein <gregb@grotto-networking.com>]

Hi CCAMPers, 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-02.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.

Comments welcome

Greg B. & Young L.

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Dr Greg Bernstein, Grotto Networking (510) 573-2237