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Re-chartering BFD – IETF 78

Re-chartering BFD – IETF 78. Jeffrey Haas, jhaas@pfrc.org Dave Ward, dward@juniper.net. Where do we go from here. We have largely accomplished our original charter. Our original charter prohibited taking on new working group items without re-chartering.

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Re-chartering BFD – IETF 78

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  1. Re-chartering BFD – IETF 78 Jeffrey Haas, jhaas@pfrc.org Dave Ward, dward@juniper.net

  2. Where do we go from here • We have largely accomplished our original charter. • Our original charter prohibited taking on new working group items without re-chartering. • What kind of work do we want to take on?

  3. The Chairs’ Opinion • Provide review and advice for applications of BFD in other working groups. • See, for example, the IDR charter for BGP and its relationship with other working groups. • Provide extensions to BFD that cover core use cases requiring changes to the base BFD protocol.

  4. Suggested Criteria for Extensions • BFD stands for bi-directional forwarding detection. If a proposed extension or change to a specification doesn’t deal with detecting issues with forwarding, it’s not appropriate for BFD. • BFD is often run in line cards and at wire speed. This means that it should be kept simple.

  5. Proposed work item • Point to Multi-point BFD. • We have single-hop and multi-hop applications for BFD. • Point to Multi-point applications have become part of critical infrastructure to many customers.

  6. Proposed work item • Generic Cryptographic Authentication • The existing authentication mechanism in the core BFD protocol only handles a single key. This provides no ability to do key rotation. • The same draft also recommends HMAC versions of the security ciphers. • Both of the above are consistent with currently recommended protocol security practices.

  7. Other work items • Please submit possible working group items to the mailing list. • After discussion of new work items, or two weeks after IETF 78 is complete if no new items are submitted, we will send a proposed charter to the mailing list for comment. After achieving consensus, we will submit the charter for approval. • Time after the presentations is reserved for open discussion.

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