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Layer 1 VPNs

Layer 1 VPNs. draft-takeda-l1vpn-applicability-00.txt Adrian Farrel (Olddog Consulting) Hamid Ould-Brahim (Nortel Networks) Dimitri Papadimitriou (Alcatel) Tomonori Takeda (NTT). draft-takeda-l1vpn-framework-01.txt Raymond Aubin (Nortel) Marco Carugi (Nortel) Ichiro Inoue (NTT)

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Layer 1 VPNs

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  1. Layer 1 VPNs draft-takeda-l1vpn-applicability-00.txt Adrian Farrel (Olddog Consulting) Hamid Ould-Brahim (Nortel Networks) Dimitri Papadimitriou (Alcatel) Tomonori Takeda (NTT) draft-takeda-l1vpn-framework-01.txt Raymond Aubin (Nortel) Marco Carugi (Nortel) Ichiro Inoue (NTT) Hamid Ould-Brahim (Nortel) Tomonori Takeda (NTT) 60th IETF San Diego August 2004

  2. Summary of Status • Framework ID submitted before the last IETF meeting • in line with liaison from ITU-T SG13 • for better understanding and further cooperation between two bodies • Significant interest in L1VPNs in CCAMP • Currently, still progressing “under the care of CCAMP” • Based on mailing list discussion, Framework ID updated (next page) • And Applicability ID submitted (second next page) • to show how existing GMPLS-based techniques can be used to support L1VPNs • to show deltas from existing GMPLS-based techniques • Note: a new mailing list is set up for L1VPNs 60th IETF San Diego August 2004

  3. Framework ID • Updates in 01 version • Incorporated comments received • Added new/different terminologies (section 2) • Reorganized service models for clarification (Virtual Node, Virtual Link, Per VPN Peer) (section 7.3) • Added requirement details according to ITU-T SG13 documents (section 8) • Editorial enhancements • Remaining issues • No further known major issues • Some issues • Refine terminologies • Security section • Further review comments solicited 60th IETF San Diego August 2004

  4. Applicability ID • Applicability of existing GMPLS techniques to L1VPNs • GVPN - draft-ouldbrahim-ppvpn-gvpn-bgpgmpls-05.txt • GMPLS Overlay - draft-ietf-ccamp-gmpls-overlay-04.txt • Summary • Most requirements are covered by existing drafts • Identified 7 items for possible additional work (some are optional) • Resource management: per VPN resource management, shared restoration/extra traffic within a VPN or among VPNs • Tunnel mechanisms/auto-discovery • MIB modules: SPC (Soft Permanent Connection) support • etc. • Remaining issues • More details (e.g., detailed applicability to Per VPN Peer Service Model) • Solicit feedback 60th IETF San Diego August 2004

  5. Next Steps • Continue to discuss L1VPNs on special mailing list • Regular status updates to CCAMP mailing list • Propose to adopt L1VPNs as a new CCAMP charter item • High level of interest (around 100 subscribers to the mailing list) • Most of requirements work already done (in ITU-T and here) • Protocol work is expected to be relatively minor (most requirements are already covered by existing drafts). • Coordination with other bodies (e.g., ITU-T) • Start to discuss protocol extensions based on applicability ID as a baseline. • Please sign up for the L1VPN mailing list, and give us feedback on the drafts • https://www1.ietf.org/mailman/listinfo/l1vpn 60th IETF San Diego August 2004

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