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RBridge Architecture

RBridge Architecture. draft-gray-trill-rbridge-arch-01.txt. Changes to the draft. Remove “Standards” (2119) language Expanded the introduction Clarified definitions Removed most “options considered” discussion Align text with protocol specification Clarified use examples and roles

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RBridge Architecture

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  1. RBridge Architecture draft-gray-trill-rbridge-arch-01.txt

  2. Changes to the draft • Remove “Standards” (2119) language • Expanded the introduction • Clarified definitions • Removed most “options considered” discussion • Align text with protocol specification • Clarified use examples and roles • In particular, Designated RBridge roles • Removed redundant text, corrected minor wording issues • Included more text on the need for multicast optimization support

  3. Introduction • Includes text on: • RBridge forwarding strategy • Data required to support this strategy • Procedures required to derive this data

  4. Options Considered • Removed text on options considered • relative to RBridge forwarding at each hop • relative to STP “participation” roles

  5. Definitions • Removed ambiguous use of “campus” • Replaced with acronym “CRED” • “Cooperating RBridges and Encapsulation Tunnels (Domain)” • Fixed definitions for • Designated RBridge • SPF • Other minor clarifications/corrections

  6. Host Host Host Host Host Rtr Host Hub Host Host Host Host Host Host B Host B B B Host Host Host Host RB B Host RB B Rtr B B Hub Host B Host Hub B Host Host Host Host Host Host B B B Host Host Host Host Host Host B Host RB RB Host B B Host Host B Host Host B Host B B Host Host Host Host Host Host Host Host Network Host Host Host Rtr Host

  7. Host Host Host Host Host Rtr Host Hub Host Host Host Host Host Host B Host B B B Host Host Host Host RB B Host RB B Rtr B B Hub Host B Host Hub B Host Host Host Host Host Host B B B Host Host Host Host Host Host B Host RB RB Host B B Host Host B Host Host B Host B B Host Host Host Host Host Tunnel Overlay Host Host Host Host Host Host Rtr Host

  8. Rtr Hub B B B B RB B RB B Rtr B B Hub B Hub B B B B B RB RB B B B B B B Campus? Rtr

  9. Rtr Hub B B B B RB B RB B Rtr B B Hub B Hub B B B B B RB RB B B B B B B Campus? Rtr

  10. B B B RB RB B Hub B Hub B B B B B RB RB B B B Campus?

  11. B B B RB RB B Hub B Hub B B B B B RB RB B CRED B B

  12. Roles • Clarified the roles of Designated RBridge • In forwarding on and off of the CRED • In advertising MAC reachability • Clarified role/usage of forwarding table for the Ingress RBridge Tree (CFT-IRT

  13. Still to be discussed • Inclusion of “pseudo-node” use • Too detailed for architecture? • Too protocol specific for architecture? • Remove distinctions of Hubs, Switches and Bridges in section 4 discussion and figures? • More inclusive Security statement • More the “job” of normative document (such as protocol specification? • Contrary to goals of the WG?

  14. Next Steps • More comments? • At least a few more rounds of editing… • Accept as a WG document?

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