>>>Just trying to wrap my brain around this stuff: The way I'd invent it if anybody cared to ask < s > is to have an referee-type object that would be responsible for the cross business object communication. Does that make any sense?
>>
>>Yup. A mediator.
>
>Agreed.

OK, I buy that also. But I guess I see the mediator as being of the same level (middle tier) as my business objects, and not really a higher level object. I guess I just read more into the original comment I responded too as I did my own brain wrapping around thread :)