1. Intra-Domain Federation Jonathan Rosenberg Cisco

2. Problem Statement Many cases where there are multiple independent presence servers in a single domain This implies intra-domain federation What that means has been completely undefined

3. Intra-Domain Models PartitionedUnioned PeerHierarchical

4. Partitioned Server 1 Server 2 bob@example.comalice@example.com Bob UA Alice UA Looks like interdomain Federation BUT Cannot use RFC 3263 to route

5. Unioned Server 1 Server 2 alice@example.com Alices Cellphone Alices Softphone Presence for alice exists In multiple places

6. Document Goals Define each of these models Describe applicability of each model For each model, discuss issues around –Identity and policy –Routing –Presence composition Describe pros and cons of each model

7. Question Interest in producing a document on this topic?