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Expressing LSP attribute in ERO

Expressing LSP attribute in ERO. CCAMP WG, IETF 85, draft-margaria-ccamp-lsp-attribute-ero-02. Cyril Margaria Nokia Siemens Networks Dirk Schroetter iX GmbH Giovanni Martinelli Cisco Steve Balls; Ben Wright Metaswitch. Updates since -01. Followed WG feedback from IETF84:

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Expressing LSP attribute in ERO

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  1. Expressing LSP attribute in ERO CCAMP WG, IETF 85, draft-margaria-ccamp-lsp-attribute-ero-02 Cyril Margaria Nokia Siemens Networks Dirk Schroetter iX GmbH Giovanni Martinelli Cisco Steve Balls; Ben Wright Metaswitch

  2. Updates since -01 Followed WG feedback from IETF84: “pointers” solution less than welcomed Rejected solutions: ERO subobject (not enough space to handle a LSP ATTRIBUTE TLV) ERO subobject containing a pointer to another object (processing) Use SERO-like solution

  3. New encoding • Use SERO Logic, with “bigger” TLVs : • Pro : • size is aligned • Processing rules similar to SERO LSP_ ATTRIBUTE ERO

  4. Encoding TLVs Hop identifier: contains 1 ERO subobject (use ERO definitions) Hop LSP Attribute : use LSP attribute definitions

  5. Next steps • Encoding : questions? • WG adoption? • LSP Attribute or HOP Attribute? • Scope the Attribute to an Hop only or the LSP? • widening the scope of this draft?

  6. Questions?

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