The WS-RM 1.2 functionality is the functionality for reliably exchanging (sending and receiving) SOAP Messages between Web Services and Web Service clients through RMD (Reliable Messaging Destination) andRMS (Reliable Messaging Source).

This functionality monitors the sending and receiving of messages between RMS and RMD by sending an Ack message in the background when the recipient receives a message. As and when required, the WS-RM 1.2 functionality automatically re-sends the messages and removes the duplicate messages, thus increasing the reliability of the communication.

The following figure shows the flow of sending and receiving SOAP Messages by using the WS-RM 1.2 functionality.

Figure 34-1 Flow of sending and receiving SOAP Messages by using the WS-RM 1.2 functionality

You cannot use the Dispatch interface and Provider interface.