On the same machine, I agree, ADO will be much faster. But if you want your object to act as a web service now or later, then ADO won't work.

On separate machines, the performance gap narrow down. The last time I've heard of RDO, it was awfully slow.

>XML? Sure, follow the hype.
>Unless you want performance.
>
>I watched a demonstration at a VBUG seminar at MS Reading, and the n-tier XML example was 9x slower than dual tier using ADO.
>That's even on the same machine - no cross machine calls, only interprocess and the serialisation and deserialiation involved in XML.
>
>With what we have today, to use XML you have to keep the messages small to keep peformance.
>In the future those bottlenecks will probably be addressed.