RE: MEP and Operations

FABLET Youenn [mailto:fablet@crf.canon.fr] wrote:
>Let's have an operation that takes as input a date and a country name. 
>As output, you get the size of the population of this country at that
date.
>IMO, the definition of this operation  should not change whether:
>    - you receive the date and country name as one message or two 
>separate messages
>    - you send the output to the requester A, to another node B or both

>A and B.

Of course _something_ must be different. The question is whether one
needs another degree of abstraction beyond the port type/operation. Do
you have a use case in mind where an operation is split into multiple
messages in one case but kept as a single message in another?

--Jeff