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Subject: [ISSUE 60] Clarify scope of ordered intent - PROPOSAL



Folks,

Following the discussion on yesterday's TC call, I make the following proposal as the resolution of Issue 60, dealing with
the detailed wording required for the resolution:

This proposal relates to sca-policy-1[1].1-spec-wd-08.pdf:

Replace lines 1980 - 1988 with the following:


3)        ordered – The binding implementation guarantees that the messages sent by a service client via a single service reference are delivered to the target service implementation in the order in which they were sent by the service client.  Note that this applies whether or not the service interface is conversational and also is not affected by the implementation strategy of the service implementation (eg whether each successive service invocation is handled by a separate implementation instance in the case of stateless services). This intent does not guarantee that messages that are sent by a service client are delivered to the service implementation. Note that this intent has nothing to say about the ordering of messages sent via different service references by a single service client, even if the same service implementation is targeted by each of the service references.

For service interfaces that involve messages being sent back from the service implementation to the service client (eg. a service with a callback interface), for this intent, the binding implementation guarantees that the messages sent by the service implementation over a given wire are delivered to the service client in the order in which they were sent by the service implementation. This intent does not guarantee that messages that are sent by the service implementation are delivered to the service consumer.




Yours,  Mike.

Strategist - Emerging Technologies, SCA & SDO.
Co Chair OASIS SCA Assembly TC.
IBM Hursley Park, Mail Point 146, Winchester, SO21 2JN, Great Britain.
Phone & FAX: +44-1962-818014    Mobile: +44-7802-467431  
Email:  mike_edwards@uk.ibm.com





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