The Extensible Messaging and Presence Protocol (XMPP) [xmpp] is a communications protocol for message-oriented middleware based on XML. XMPP was originally named Jabber and was used for instant messaging, presence information, and contact list maintenance. Designed to be extensible, the protocol has since evolved into a general publish-subscribe message bus and is now used in many applications.
OpenContrail uses XMPP as a general-purpose message bus between the compute nodes and the control node to exchange multiple types of information including routes, configuration, operational state, statistics, logs and events.
http://www.opencontrail.org/opencontrail-architecture-documentation/
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yawarniazi
5 years, 7 months ago