RDS and HTTP
Remote Data Service (RDS) is a part of Microsoft's ActiveX Data Object technology. It is primarily designed for delivering recordsets from a Web site database to the Web browser, allowing the user to actively scroll through the recordset, make changes, and send the changes back to the server without making calls to the server between each row. Another aspect of RDS is that it is designed to move this recordset between the Web server and the browser via the HTTP protocol.
Another, not as well-advertised, feature of RDS is the capability to use it as a transport mechanism to marshal DCOM through the HTTP protocol . Using this capability, you can send and receive just about anything you need through the HTTP protocol to COM objects ...
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