Addressing Format Metro A1 WAN Core Metro A2 Provider A Metro-Access Interconnection Use Case A S-PE Inter-Provider Use Case T-PEs S-PE Provider B S-PE T-PEs T-PE New Format Required Summarization SP to administer their own prefixes OAM, Privacy Globally unique addressing for PW endpoints that allows also: S-PE Use of FEC129, AII Type 2 – see draft-metz-aii-aggregate-01.txt Enables a unique PW end point identifier to avoid configuration at each hop |