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Trill over IP draft-mrw-trill-over-ip-04.txt

Trill over IP draft-mrw-trill-over-ip-04.txt. IETF 89, London Margaret Wasserman mrw@painless-security.com. Document Summary. Defines a UDP/IP encapsulation for TRILL Used to connect two remote TRILL sites into a single TRILL campus over any IP network Two Scenarios Remote Office Scenario

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Trill over IP draft-mrw-trill-over-ip-04.txt

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  1. Trill over IPdraft-mrw-trill-over-ip-04.txt IETF 89, London Margaret Wasserman mrw@painless-security.com

  2. Document Summary • Defines a UDP/IP encapsulation for TRILL • Used to connect two remote TRILL sites into a single TRILL campus over any IP network • Two Scenarios • Remote Office Scenario • IP Backbone Scenario

  3. Document Status • -04 version published in January • Added details of UDP header • Added congestion considerations section • Updated references • Minor editorial changes • Adopted as a WG draft in February • Next version will be draft-ietf-trill-over-ip-00.txt

  4. UDP Encapsulation 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Source Port = Entropy | Destination Port | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | UDP Length | UDP Checksum | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | TRILL Payload ... • Source port set to an entropy value for ECMP decisions • Allows load balancing TRILL flows

  5. Open Issue: Encapsulation • Some discussion of whether a UDP/IP encapsulation is desired or whether TRILL should be encapsulated “directly” in IP • “Direct” encapsulation might require TRILL-specific header for entropy • Is a checksum of the TRILL packet needed or desirable?

  6. Other Open Issues • Need to complete section on “Handling Multicast” • Need to complete “Middlebox Considerations” section

  7. Feedback? Questions?

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