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AAA-SIP Requirements

• Current draft: draft-loughney-sip-aaa-req-00.txt

• draft-calhoun-sip-aaa-reqs-04.txt may not be updated

• AAA = Authentication, Authorization and Accounting

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SIP Needs

• Needs for • Accounting• Authentication• Authorization

• Are these needs modular?

• Should they be?

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Architecture Needed?

• Do we need to sketch out a roaming architecture for SIP where AAA is used, possibly in a modular way?

• Does multi-access make this interesting?

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Examples

• ‘Simple’ 3GPP example

• WLAN roaming using 3rd party service providers

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General Requirements

• 2.1.1 Ability To Integrate Different Networks, Services and Users

• 2.1.2 Distribution of Profiles

• 2.1.3 Updating SIP Server Entries

• 2.1.4 Indication of Assigned Server

• 2.1.5 User Deregistration

• 2.1.6 SIP Server Allocation

• 2.1.7 Ability to Provide Session Information to the Parties Involved

• 2.1.8 Security

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Authentication

• 2.2.1 Authentication Based on SIP REGISTER

• 2.2.2 Flexible Authentication

• 2.2.3 Authentication Based on Policy

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Authorization

• 2.3.1 Ability to Authorize SIP Registration

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Accounting

• 2.4.1 Separation of Accounting Information

• 2.4.2 Accounting Information Related to Session Progression

• 2.4.3 Accounting Information Not Related to Session Progression

• 2.4.4 Support for One-Time and Session-based Accounting Records

• 2.4.5 SIP Session Changes

• 2.4.6 Support for Accounting on Different Media Components

• 2.4.7 Support for Cumulative and Non-Cumulative Accounting

• 2.4.8 Configuration of Accounting Generation Parameters

• 2.4.9 Ability to Relate SIP Session to Access Bearer Used

• 2.4.10 Ability to Transfer Accounting Server Information

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Next Steps

• Continue this work?

• What is missing?

• Should this be a WG draft?