FioranoMQ servers running in HA mode have a designated backup server that is started, together, with the primary FioranoMQ server. If the primary server becomes unavailable due to any reason; the backup server picks up messaging traffic immediately. This pair of primary and its backup server is known as an Enterprise Server and this term is used to describe this primary/backup pair throughout the document.
This Enterprise Server represents a HA entity that appears as a single FioranoMQ server to its applications. JMS applications, during initialization, connect to the primary FioranoMQ server, if available. If the primary server goes down due to any reason, all connections are automatically routed to the backup server and communications are restored immediately. Since this is transparent to the client application, the client application need not worry about the reconnection logic in its code as these are handled by FioranoMQ's client runtime library internally.
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