Intra-group queuing

This section describes intra-group queuing, an IBM MQ for z/OS function unique to the z/OS platform. This function is only available to queue managers defined to a queue sharing group.

For information about queue sharing groups, see Shared queues and queue sharing groups.

• Intra-group queuing concepts
  Intra-group queuing can be used to deliver, more efficiently, small messages to queues residing on remote queue managers within a queue sharing group.
• Intra-group queuing terminology
  Explanations of the terminology: intra-group queuing, shared transmission queue for use by intra-group queuing, and intra-group queuing agent.
• Benefits of intra-group queuing
  The benefits of intra-group queuing are: reduced system definitions, reduced system administration, improved performance, supports migration, and delivery of messages when multi-hopping between queue managers in a queue sharing group.
• Limitations of intra-group queuing
  The limitations of intra-group queuing are: messages eligible for transfer using intra-group queuing, number of intra-group queuing agents per queue manager, and starting and stopping the intra-group queuing agent.
• Getting started with intra-group queuing
  We can enable, disable, and use intra-group queuing as described in this topic.
• Intra-group queuing configurations
  In addition to the typical intra-group queuing configuration, other configurations are possible.
• Intra-group queuing messages
  This section describes the messages put to the SYSTEM.QSG.TRANSMIT.QUEUE.
• Security for intra-group queuing
  This topic describes the security arrangements for intra-group queuing.
• Specific properties of intra-group queuing
  This section describes the specific properties of intra-group queuing including Invalidation of object handles, self recovery and retry capability of the intra-group queuing agent, and the intra-group queuing agent and serialization.

Parent topic: IBM MQ for z/OS concepts