Softwires IETF 67 Alain Durand, David Ward

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Agenda 07 mins: Admistrativa, PS update 03 mins: Report from the Interim Meeting 23 mins: Mesh 17 mins: Hubs and Spokes 3 mins: Next Steps and Phase 2

Problem Statement Status Rev -02 in last call Need to address comments and incorporate into Rev -03 Note that H&S seems in relatively good shape Following issues address comments on Mesh

Comments (1) Softwires Mesh Requirements vs L3VPN Requirements (RFC4031) –add text stating that softwire mesh will re-use existing/proven multi-AF routing protocols and tunnel encaps –add text stating that what’s new in former is a) need to advertise IP encaps between PE routers and, b) solving the IPv4 NLRI w/IPv6 NH case a) covered in info-safi draft discussed in IDR b) covered in v4nlri-v6/nh draft discussed in IDR Enumerate reachability combos –add text stating focus is on public IPv6-over-IPv4 transit and vice-versa; others are possible but not in charter or scope

Comments (2) Notion of “Islands”. Will add text stating: –first islands can be public or private –second islands may not necessarily be enclosed (i.e. backdoor connections) Address other minor comments and fix typos

Interim Meeting Summary NOTES: –Soon to be posted, rx’ed from note-takers today –Will be on Softwires aux site Reviewed current H&S Framework doc –Massive group edits, section by section Discussed alternative to existing Mesh Framework doc = accepted –See presentation from Eric Reviewed Security Analysis

Interim Meeting Conclusions Attendees reached consensus on wording for H&S Edits throughout, see notes. Draft lives here: Attendees agreed on next steps for Mesh: Accepted issues raised in presentation by Rosen, Scudder (via Ward) Accepted changes to Framework doc - see latest draft Changes to BGP going to IDR WG (presented this IETF) draft-lefaucheur-idr-v4nlri-v6nh-00.txt draft-pmohapat-idr-info-safi-00.txt Worked on issues raised in PS Agreed Multicast was to be worked on next: Yong and Rosen leading Then Security

Presentations Mesh H&S Security Next steps

Next Steps Final edits on Problem Statement H&S Framework update Mesh Framework update –Work w/ IDR on BGP extensions –Start Multicast –Start Security Security Framework updates needed –Must include Mesh Want PS, Phase 0 of Framework docs through LC by next IETF At this point, no need to interim before Prague as Frameworks need iterations and can be done on list