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Subject: Re: Issue BINDINGS-107

Folks, here's my opinion on BINDINGS-107, I'd appreciate your comments/opinions.

The main purpose of having JMS and JCA binding elements in the definitions file is to allow a single JMS/JCA application to be accessed from several SCA references or services without having to duplicate all the details of connection and operation mapping.  That's primarily due to the fact that there's no standard service definition for JMS/JCA applications.  Typically for service bindings, the information is going to be specific to each exposed service so I would expect such sharing to be mainly but not exclusively used for references.

There's no functional reason why we require this mechanism. If we remove it from the spec it doesn't reduce the capability of the bindings, it just means that SCA runtimes would possibly need to provide their own way of managing sharing of such information outside of the standard definitions.  Given that this is not a portability/interop requirement I'd say its not that high a priority to be standardised.  If we feel that the additional complexity that this brings to the JMS and JCA bindings specs is not justified, then I don't feel particularly strongly about removing it.

Regards, Simon

Simon Holdsworth
STSM, SCA Bindings Architect; Master Inventor; OASIS SCA Bindings TC Chair
MP 211, IBM UK Labs, Hursley Park, Winchester SO21 2JN, UK
Tel +44-1962-815059 (Internal 245059) Fax +44-1962-816898
Internet - Simon_Holdsworth@uk.ibm.com

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