Re: SOAP performance data and open benchmarks

Anyone checked the XMill compression stuff.
http://www.research.att.com/sw/tools/xmill/
It seems very effective!

Bye,
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-----Original Message-----
From: Phil Troy [mailto:[email protected]]
Sent: quinta-feira, 17 de Outubro de 2002 6:49
To: [email protected]
Subject: Re: [SOAP] SOAP performance data and open benchmarks


Part of my thinking (perhaps simplistic) about compression is that it
should be integrated into the formatting, rather doing it as
a separate step.  For example, when formatting an xml message containing an
array of data, many of the strings to be compressed are known in advance
(because they are the xml tags); the same could probably be done for
decompression.  It seems likely that taking advantage of this knowledge
should significantly speed up xml formatting and compression.

Phil Troy

Philip M. Troy, Ph.D.
TROYWARE
Montreal, Quebec
514-481-9166
[email protected]
[email protected]<



---------------

 
We found in our testing that XML messages, especially big business
transactions, have excellent size reduction ratios.  You need to compromise
speed of compression/decompression against speed of data transfer.
The other issue is that you will need to add decompression and compression
filters yourself into standard SOAP packages that don't have this feature
out of the box.  And all your clients must follow this protocol. 
Internally
this is easy to accomplish.  Externally is a different story.

Leo Golubovsky
[email protected]

-----Original Message-----
From: Discussion of implementing SOAP applications today
[mailto:[email protected]]On Behalf Of Phil Troy
Sent: Tuesday, October 15, 2002 2:24 AM
To: [email protected]
Subject: Re: [SOAP] SOAP performance data and open benchmarks


Hi!

One fo the responses to the question about performance indicated that XML
was necessarily (much) slower because of the increased size of the
messages.

Would the difference be significantly decreased if compression were used,
particularly with arrays where the same keywords may be used very
frequently in the message.  Furthermore, if the compression were built into
the xml text generation, might not the processing time to create the
compressed message be very significantly reduced?

Phil Troy

Philip M. Troy, Ph.D.
TROYWARE
Montreal, Quebec
514-481-9166
[email protected]
[email protected]
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