1. May 24-28 2004IVOA Interop Meeting1 Standard Interfaces William O’Mullane T HE US N ATIONAL V IRTUAL O BSERVATORY

2. May 24-28 2004IVOA Interop Meeting2 Standard Interfaces Discussed at last meeting Promised doc put up Little discussion Guy made WSDL Heartbeat in SkyNode Should this be called something else??

3. May 24-28 2004IVOA Interop Meeting3 MetaData Method to return VOResource Make service the owner of the MetaData Could be used by registry: –Register only the base url –Registry calls MetaData creates the entry –Registry may then refresh periodically Agree with Guy – rename to getRegistration

4. May 24-28 2004IVOA Interop Meeting4 HeartBeat Is service alive? –Needs to be more than a ping service should check databases etc. UpTime ValidTo – planned downtime Location GPS –Want for location/uptime map (e.g OSQ)(e.g OSQ) –this should probably go in the registry

5. May 24-28 2004IVOA Interop Meeting5 Logging Will be a large issue – all VO’s will need to report usage Good to be able to ask service about usage patterns Implies Logging is done What is the minimum useful info we need? Does it need to be secured –Partially secured?