WSIT Reliable Messaging
End-to-End Reliability
- Before reliable messaging
- Reliable protocols based on TCP/IP
- Point-to-point
- WSIT reliability brings reliability to SOAP layer
- Transparent to application
- Recover from lost/misordered messages
- Works on non-TCP/IP transports
Specifications Used
- WS-Reliable Messaging
- WS-Reliable Messaging Policy Assertion
WS-Reliable Messaging
- Defines a wire-based messaging protocol, with a SOAP binding, to identify, track, and manage the reliable delivery of messaging
- The source periodically asks the destination to acknowledge which messages have been arrived
- Runtime provides Reliable Messaging Source (RMS) and Reliable Messaging Destination (RMD)
- RMS handles the chore of sending and resending
- RMD handles the chore of reconstructing the steam of messages
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