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Web Services Best Practice (was: Interesting XML-DIST-APP thread)

• To: xml-dev@l...
• Subject: Web Services Best Practice (was: Interesting XML-DIST-APP thread)
• From: "Roger L. Costello" <costello@m...>
• Date: Thu, 10 Jan 2002 08:51:30 -0500
• Cc: kurt@k...
• Organization: The MITRE Corporation
• References: <5.1.0.14.2.20020109133254.02308a80@p...> <B7C92VOJ3XLH1UC993BGBDCAMJZUVS.3c3b9698@MChamp> <5.1.0.14.2.20020109133254.02308a80@p...> <5.1.0.14.2.20020109165132.02308850@p...>

I started this discussion on the other list and have been truly
fascinated by its flow.  Thanks everyone!

I have been trying to summarize and organize in my mind all of the
discussion.  It seems to me that the discussion is leading towards a
"best practice" for using XML messaging (i.e., SOAP):

1. Stay away from using XML messaging to do fine-grained RPC.  For
example, stay away from a service which returns the square root of a
number.  Stay away from a service that returns a stock quote (this is
the classic-cited example of a Web service).

2. Conversely, use course-grained RPC.  That is, use Web services that
"do a lot of work, and return a lot of information".

3. Consider making the XML messages asynchronous.

4. Always take the overall system performance into account.  Don't
fine-tune your XML messaging when it consumes a small percentage of the
overall system time.

Any other "best practices"?  /Roger

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    • From: Mike Champion <mc@x...>
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    • From: Tim Bray <tbray@t...>

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