The middle tier (Application Services/Data Access) being built with VFP 6.0 via Com/DCom objects that do not care about the backend they are accessing (Possibly loading as packages in MTS) so the backend could be swapped out.

Develop web service layer using active serve pages that use same middle tear com objects to access data.

What is the best transport form com objects.?

Does anybody know of any case studies,examples.
What is everybody else doing with respect to 3 tier solutions.