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Information Model for WSON Impairments Validation draft-martinelli-ccamp-wson-iv-info-02

Information Model for WSON Impairments Validation draft-martinelli-ccamp-wson-iv-info-02. Giovanni Martinelli, Ed., Cisco (*) Xian Zhang, Ed., Huawei. v02: merging draft and new authors. From draft-bernstein-ccamp-wson-info- 03: Young Lee (Huawei) Fatai Zhang (Huawei)

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Information Model for WSON Impairments Validation draft-martinelli-ccamp-wson-iv-info-02

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  1. Information Model for WSON Impairments Validationdraft-martinelli-ccamp-wson-iv-info-02 Giovanni Martinelli, Ed., Cisco (*) Xian Zhang, Ed., Huawei IETF87 - Berlin

  2. v02: merging draft and new authors • From draft-bernstein-ccamp-wson-info-03: • Young Lee (Huawei) • Fatai Zhang (Huawei) • G. Bernstein (Grotto) • Already on draft-martinelli-ccamp-wson-iv-info • Gabriele Galimberti (CISCO) • Andrea Zanardi (Create-Net) • DomenicoSiracusa (Create-Net) • MoustafaKattan (CISCO) IETF87 - Berlin

  3. Definitions • Computational Model: • Should be defined by ITU • Current status: only provide transfer functions and parameters, which can be potentially use to compute linear optical impairments • Non-linear still under standardization • Information Model: • Refer to Control Plane: IETF • Represent only information to support the computational models IETF87 - Berlin

  4. Sec 1.1 Applicability • Added a specific section to help mutual understanding with ITU • Support (existing: G.680) Linear Computational Model • Clearly state that computed path may not work (support != solve) • Does not preclude Non-Linear Computational Model => pretend to be *general* enough. IETF87 - Berlin

  5. Sec. 4.1 The Impairment vector • Provide Specific TERM Definition: <OIV> ::= ([<LabelSet>] <OPTICAL_PARAM>) ... • Define the wavelength Dependency. • Define a generic way to add Optical Parameters: • The informational model is independent from the list of parameters • Can support 1 or multiple parameters; however the exact list is likely defined through ITU Liaison. • Term used by the along the rest of the model. IETF87 - Berlin

  6. The rest of the model • Sec. 4.2 Node Information, the Impairment Matrix: ImpairmentMatrix ::= <MatrixID> <ConnType> ((<LinkSet> <LinkSet> <OIV>) ...) • Sec 4.2 Link Information (add on to existing WSON extention) <DynamicLinkInfo> ::= <LinkID> <AvailableLabels> [<SharedBackupLabels>] [<OIV>] • Sec 4.3 Path Information • Just started the definition IETF87 - Berlin

  7. Next Step • ITU Liaison outcome • http://datatracker.ietf.org/liaison/1263/ • Model Refinement according to • ITU-T standard progress for computation model; • RFC6566 (WSON-IV Framework) use cases. • Encoding will follow. • When better shape, ask for WG adoption IETF87 - Berlin

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