Migratable Targets
The concept of a migratable target is crucial to understanding service migration. To configure a JMS or JTA service for migration, you must deploy or target it not to the server as you normally do, but to a migratable target. A migratable target is really a logical concept and lets you specify services that should be migrated together. A migratable target specifies one or more servers that can host the target, and only one cluster member can host the migratable target at any given time. Migratable servers ensure that critical services such as the JMS and JTA services are always available. For example, a JMS queue is always available as long as the migratable target is hosted to any cluster member.
A migratable target is a ...
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