If the systems are healthcare systems, it would be HL7.

Walter,

>Hi,
>
>I have a hypothetical question. Say, some other software vendor wants to integrate their system with you vertical market application. Basically they want to "send" information" from their software to your software on a real-time basis.
>
>What is the best, most effective way of doing it? Web Services? Another approach?
>
>TIA