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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

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

summary of status
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

framework id
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

applicability id
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

next steps
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