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Routing and Wavelength Assignment Information Model for Wavelength Switched Optical Networks

This draft presents a detailed information model for routing and wavelength assignment in WSONs, focusing on path computation. It covers path computation specifics and is not a management model.

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Routing and Wavelength Assignment Information Model for Wavelength Switched Optical Networks

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  1. Routing and Wavelength Assignment Information Model for Wavelength Switched Optical Networks draft-ietf-ccamp-wson-info-07.txt Young Lee ylee@huawei.com Huawei Greg Bernstein gregb@grotto-networking.com Grotto Networking 77th IETF – Anaheim, California, March 2010

  2. Authors/Contributors • Greg Bernstein (Grotto Networking) • Diego Caviglia (Ericsson) • Ander Gavler (Acreo AB) • Young Lee (Huawei) • Dan Li (Huawei) • Wataru Imajuku (NTT) • Jonas Martensson (Acreo AB) • Itaru Nishioka (NEC Corp.) 77th IETF – Anaheim, California, March 2010

  3. Information for RWA in WSON • Contains high level path computation info model for WSONs • Not a management info model, but a path computation information model • Same scope of applicability as WSON RWA Framework document 77th IETF – Anaheim, California, March 2010

  4. Changes • Changes from 04 • Removed encoding specific text from Section 4.1. • Removed encoding specific text from Section 3.4. • Changes from 05 • Renumbered sections for clarity. • Separated Generic model from WSON specific model • Added signal compatibility model (WSON specific) • Changes from 06 • Simplified information model for WSON specifics, by combining similar fields and introducing simpler aggregate information elements. 77th IETF – Anaheim, California, March 2010

  5. Next Steps Prepare for last call 77th IETF – Anaheim, California, March 2010

  6. Supplemental Material: Model Background • Evaluation of models against real and proposed systems can be found in: • G.M. Bernstein, Y. Lee, A. Gavler, and J. Martensson, “Modeling WDM Wavelength Switching Systems for Use in GMPLS and Automated Path Computation,” Journal of Optical Communications and Networking, vol. 1, Jun. 2009, pp. 187-195.   • G. Bernstein, Y. Lee, “A WSON GMPLS Model for Signal Compatibility and Switching Systems including Wavelength Converters and Regenerators”, preprint 2010 available at: http://www.grotto-networking.com/sites/default/files/ModelingSwitchesConvertersRegensV02f_0.pdf 77th IETF – Anaheim, California, March 2010

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