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Layer 1 VPNs. draft-takeda-l1vpn-applicability-02.txt Deborah Brungard (AT&T) Adrian Farrel (Olddog Consulting) Hamid Ould-Brahim (Nortel Networks) Dimitri Papadimitriou (Alcatel) Tomonori Takeda (NTT). draft-takeda-l1vpn-framework-03.txt Raymond Aubin (Nortel)

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layer 1 vpns

Layer 1 VPNs

draft-takeda-l1vpn-applicability-02.txt

Deborah Brungard (AT&T)

Adrian Farrel (Olddog Consulting)

Hamid Ould-Brahim (Nortel Networks)

Dimitri Papadimitriou (Alcatel)

Tomonori Takeda (NTT)

draft-takeda-l1vpn-framework-03.txt

Raymond Aubin (Nortel)

Marco Carugi (Nortel)

Ichiro Inoue (NTT)

Hamid Ould-Brahim (Nortel)

Tomonori Takeda (NTT)

62nd IETF Minneapolis March 2005

summary of status
Summary of Status
  • Framework I-D in progress summarizing the work of ITU-T SG13
  • Applicability analysis I-D in progress
    • Applicability analysis of following I-Ds to L1VPNs
      • GVPN - draft-ouldbrahim-ppvpn-gvpn-bgpgmpls
      • GMPLS Overlay - draft-ietf-ccamp-gmpls-overlay
    • Guidelines for additional protocol enhancement

62nd IETF Minneapolis March 2005

framework i d
Framework I-D
  • Updates in 03 version
    • Clarification on business cases/deployment scenarios (section 4.3)
    • Clarification on differences between L1VPNs and L2/L3 VPNs (section 3.1.2)
  • Status and next steps
    • Almost complete
    • Any comment?
    • What to do when the draft is finished?

62nd IETF Minneapolis March 2005

applicability analysis i d
Applicability Analysis I-D
  • Updates in 02 version
    • Signaling mechanisms (nesting/stitching and shuffling) (sections 6.2 and 6.3)
  • Status and next steps
    • Getting stable
    • Some details to be added (e.g. security considerations)
    • New revision expected as the work on protocols progresses

62nd IETF Minneapolis March 2005

analysis results summary
Analysis Results (Summary)
  • All work is mostly done 
    • VPN signaling
      • No extensions needed (all work in applicability analysis I-D)
    • VPN membership information exchange (PE-to-PE)
      • BGP-based approach requires no (or very minor) extensions.
      • IGP-based approach requires several extensions (based on existing IGP mechanisms).
    • VPN routing
      • For Virtual Link Service Model, no (or very minor) extensions needed.
      • For Virtual Node Service Model, several extensions needed (already detailed in GVPN I-D)
      • We believe for Per VPN Peer Service Model, no extensions are needed.

62nd IETF Minneapolis March 2005

next steps
Next Steps
  • Propose to adopt L1VPNs as a new CCAMP charter item
  • Coordination with other bodies (e.g., ITU-T)
  • Propose to adopt L1VPN framework I-D as a WG document
  • Develop protocol extensions based on applicability analysis I-D as a baseline.

62nd IETF Minneapolis March 2005