3.7. High Availability

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High Availability (HA) means that the system should remain operational after failure of one or more of the servers. The degree of support for HA varies between messaging systems.

HornetQ provides automatic fail-over; where your sessions are reconnected to the backup server in the event of live server failure. Your applications must support High Availability correctly, according to the requirements of JMS.

For more information on HA and how applications must support this mode, refer to Section 2.3, “Client-side Failure Handling”.

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