[[PageOutline]] === 4.6) Messaging Service === XML Messaging Service [[BR]] [wiki:InstMeasTopic_4.6MessagingService Work in Progress] [[BR]] 1) Definition of topic: [[BR]] a) Use for messages, not generalized data; assume relatively low rate. [[BR]] b) Use for OMF messages. [[BR]] c) Use for "event record messages", that can be logged. [[BR]] d) XMPP server, in public IP space. Consider AMQP server? Consider IF-MAP server? [[BR]] e) Entities connect, and are authenticated. [[BR]] f) An entity may start a pub/sub node. [[BR]] g) When an entity subscribes, a message is sent to publisher requesting authorization. [[BR]] 2) Who: Rudra Dutta (NCSU); Anirban Mandal (RENCI); LEAD Christoph Dwertmann (NICTA); Ahmed El-Hassany (IU); Prasad Calyam (OSC); Deniz Gurken (UH) [[BR]]