Hi,
I'm just a beginning SV user, but one idea that comes to mind is that you could write a custom SystemVue C++ model that uses .NET remoting to communicate between two computers. The SystemVue help text has information and example C++ models. From the help text in User's Guide > Using SystemVue > User-defined models > C++ Models > Quick Start
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SystemVue is shipped with an example Visual Studio project in the directory C:\Program Files\SystemVue2009.08\ModelBuilder\SystemVue Model Builder, where C:\Program Files\SystemVue2009.08 is the directory where SystemVue is installed. This project contains source code for several C++ models.
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Regards,
Caleb