1. Related Issues Which layer URP should operate? Candidate: Network Layer, or Application Layer Discovery of Registration Agent (RA) (depends upon who initiates URP) Advertisement Layer-2 trigger... Location of Registration Agent (definitely depends upon the service model) Edge router, or Separate Server When User should perform the URP? Before layer-3 configuration, or After layer-3 configuration

2. Related Issues Contd.. Who initiates URP (it may depend on service model)? User/Client, or Network How often User has to perform URP? Periodically Change of Access Router (subnet) Only when moves to a domain (e.g., AAA domain) Per application basis ? How to identify the user? Candidates include NAI, UUID, URI Something else ….. Others (?) Let’s discuss in the mailing list….

3. Next Steps Charter creation and ADs approval Merge two requirements draft Propose solution