The Web Messaging service is a publishing and subscribing implementation that connects the browser to the application server for server-side event pushing.
Ways of messaging
▪ Broadcast
▪ All the users will receive the message.
▪ Topic
▪ Only those who have subscribed as interested in this topic will receive the message.
▪ Private
▪ One user sends the message to the other. Only the receiver can see the message.
Message
▪ The message can be a UNICOM® Digital Transformation Toolkit (UDTT™) KeyedCollection(at server side) or JSON Object
Framework and protocol
▪ Using COMET(dojo cometd) framework and Bayeux protocol