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XML versus SOAP/WSDL Performance
Recently I've had a number of discussions on the performance differences
between network management approaches that use XML technology, and
approaches that use web services (SOAP/WSDL). Is there anyone who has
real experience in this area, or know pointers to studies on this?
I want to create a list of potential performance problems. I'm aware of
the following issues thusfar:
- SOAP/WSDL is more verbose than plain XML. Therefore more
bandwidth (and memory) will be needed.
- downloading WSDL descriptions may be time consuming. In case
of standardized descriptions, it seems possible however to
caching or even hard-code them.
- WSDL descriptions allow the inclusion of newly defined data types,
which must be downloaded from somewhere via the web. This may take
a lot of time.
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