Client applications, often running on a Web Server, make calls to the SmPortal library. SmPortal determines the location of the service provider and how to get there (using SmPortal.cfg). The call is made to SiteMinder communications code and data is passed to the SiteMinder Policy Server.
The SiteMinder Policy Server gets the request from the client and calls code within SmTransact. SmTransact determines the service being requested and loads the proper library (making initialization calls at that time).
SmTransact then calls the proper service code within the service library and returns the data to the caller. SmPortal and SmTransact perform some behind-the-scenes communication to handle large buffers (>32k).
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