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Subject: [NEW ISSUE] Remove Conversational interfaces functionality

Raiser:                Mike Edwards

Target:                 SCA Assembly specification - CD01-Rev3


The Conversational interfaces capabilities described in the Assembly specification (which affects several of the
other SCA specifications also) is a complex feature that is not easy to implement, but neither does it provide the
level of capability that is needed by applications.  It should be removed from the assembly specification.

This is justified by the fact that much of the capability of Conversational interfaces can be achieved by application
level data sent in the business interfaces of services.

On the other hand, the more complex requirements that have been called for (eg conversations spanning more than
2 components) cannot be implemented using the current capabilities and there is no simple way to progress from the
2 component cases to the multi-component cases.  It is likely that the complex cases really require something very
different such as "Activity Sessions".


Remove Conversational interfaces from the Assembly specification entirely.

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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