JMS and redundancy

Overview

A redundant NFM-P system implements warm-standby JMS redundancy using JNDI. If a JMS client provides the IP address of each main server to the JNDI API, JNDI resolves the current primary main server and connects the client to the server.

When a server activity switch occurs, all JMS clients are disconnected and unsubscribed, and JMS services on the former standby main server initialize as the server assumes the primary role. A JMS client must then connect to the new primary main server and resubscribe to the JMS topic. After a client successfully connects and resubscribes, the client can attempt to recover any lost events.

See Recommended durable JMS client operation for the JMS client queuing, event monitoring, and disconnection recommendations.

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