All, A cleanup version of the document for the BES discussion next week at the F2F. The main unresolved issue is how we define what we want to sibscribe to and report on the events that are subscribed to. Steven -- ---------------------------------------------------------------- Dr Steven Newhouse Tel:+44 (0)2380 598789 Deputy Director, Open Middleware Infrastructure Institute (OMII) Suite 6005, Faraday Building (B21), Highfield Campus, Southampton University, Highfield, Southampton, SO17 1BJ, UK