IBM Message Queue: Gateway
Gateway queue managers between clusters is used to monitor the multiple Clusters and to send the messages for multiple Clusters through the Gateway so that it Avoids the build of Point to Point Channels. By creating the gateway the data will be copied to the Queue Managers of different cluster in a method of Round Robin. In multiple clusters, there might be a requirement to route messages from queue managers in one cluster to queues on queue managers in another cluster.
Benefits of Gateway:
1. Easy to connect multiple clusters.
2. Gateway alias queue copies the message in a target queue.