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Diameter Group Signaling

Diameter Group Signaling. draft-jones-diameter-group-signaling-00 Mark Jones mark@azu.ca IETF82 @ Taipei, Taiwan November 2011. Draft Objectives. Describe how Diameter AAA sessions are grouped. Approach is agnostic to Diameter application.

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Diameter Group Signaling

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  1. Diameter Group Signaling draft-jones-diameter-group-signaling-00 Mark Jones mark@azu.ca IETF82 @ Taipei, Taiwan November 2011

  2. Draft Objectives • Describe how Diameter AAA sessions are grouped. • Approach is agnostic to Diameter application. • Use “service-specific auth request/answer” terminology like rfc3588. • Define AVPs for expressing group membership. • Define rules for group operations (add/remove). • Define group-based equivalents for the Session Re-auth, Abort and Termination procedures. • Define new group commands. • Update the auth session state machine. • Other protocol concerns (security, request routing, etc).

  3. Why is this useful? • Other SDOs have use cases that require group signaling. • As discussed in previous DIME meetings and Marco’s draft. • SDOs have typically built their Diameter applications extending NASREQ, Diameter EAP and DCCA. • Reusing RAR/RAA, STR/STA, ASR/ASA. • This IETF draft would guide other SDOs on how to implement group signalling in their Diameter applications: • Encourages AVP and Command Reuse. • Ensures a consistent Session State Machine.

  4. Issues and Next Steps • Drafty draft -00 needs work in the following areas: • Group command procedures. • Request routing considerations. • Security considerations. • Examples using NASREQ/DCCA-like applications. • Assuming Bulk Signaling is in the DIME charter, does the DIME WG think this is the correct approach? • If so, contributors most welcome.  • Questions?

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