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Reliable Messaging : Some Questions

Reliable Messaging : Some Questions. 1. Reliable Application / Messaging / Transport. 2. Configuring Reliability. 3. Deployment Constraints ?. 4. Interaction with other Protocols ?. Reliable Messaging = QoS Agreement + Protocol Agreement . The Application Party. Deliver. Notify.

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Reliable Messaging : Some Questions

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  1. Reliable Messaging : Some Questions 1. Reliable Application / Messaging / Transport 2. Configuring Reliability 3. Deployment Constraints ? 4. Interaction with other Protocols ?

  2. Reliable Messaging = QoS Agreement + Protocol Agreement The Application Party Deliver Notify Submit Component 1 Component 2 Handler 1 Handler 2 The Messaging Party The Sending Party The Receiving Party

  3. MSG ENVELOPE (SOAP…) PAYLOAD MESSAGING APPLIC ATION Reliability Layers PROTOCOL ENVELOPE TRANSPORT

  4. END-TO-END TIME Application-level processing Messaging-level processing Transport-level processing Sending party SOAP intermediary HTTP router Receiving party

  5. Reliability Agreement Reliability Agreement Client Web Service Reliability Capability Reliability Agreement Web Service Configuring Reliability

  6. Deployment Constraints • Resources / Overhead • Memory • CPU cycles • Architecture Restrictions • Firewall • Existing Web service stacks • Compliance with Best Practices • WS-I BP 1.0: e.g. one-way ops

  7. Transactions Choreography Interaction with other Protocols Security Mesg Integrity … Reliability

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