Why use Unicast versus Multicast in Weblogic Clusters

Question

It\'s unclear from the documentation why you should use Unicast rather than Multicast in a WebLogic cluster. Anyone have experience using either and the benefits of moving t

Answer 1

Both multicast and unicast configurations have cluster masters. In addition to a cluster master, unicast has one or more leaders. The cluster leader may or may not be the cluster master.

Multicast is a broadcast; they do not ping each other like a tcp message. In both unicast and multicast cases, the traffic is usually trivial. But, multicast is almost always the best choice if you network supports it.

Unicast presents a simpler configuration than multicast in that you don't need multicast support. All routers/switches support TCP, but not all routers/switches support or have multicast enabled. But, unicast generates more network traffic than multicast.