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There was a paper in this area by Daniel Winkowski (Mitre Corp) at
XML 2002 in Baltimore, with the title, "XML Sizing and Compression
Study for Military Wireless Data" [1]. Conclusion was as far as I
remember from the presentation: XML+compression is best!
There are similar arguments when developing a delta format for XML to
represent changes, there are compact and not so compact ways to do
it. But XML is a text format and keeping to the spirit of this is
best in the long run. Certainly that is what we have endeavored to do
with DeltaXML.
Robin La Fontaine
DeltaXML: Change Control For XML, in XML
http://www.deltaxml.com
[1] http://www.idealliance.org/papers/xml02/slides/winkowski/winkowski.pdf
At 3:48 pm +0100 25/7/03, Paul Spencer wrote:
> > From: John Cowan [mailto:cowan@mercury.ccil.org]
>> Sent: 25 July 2003 12:26
>> Paul Spencer scripsit:
>>
>> > They tried XML down the wire with very simple compression and found that
>> > they were transferring data faster than previously.
>> >
>> > This will have to stay as anecdotal as I cannot describe the application
>> > further.
>>
>> I understand that you are isolated behind a firewall, but can you at
>> least say what is meant by "very simple compression"?
>
>I wasn't involved at that stage of the project, so I'm not certain. I think
>it was a zip format, but it could have been a line-level compression such as
>V.42(?). Hence my comment that this should be treated as anecdotal. I will
>see if I can get more information and permission to publish.
>
>Paul Spencer
>
>
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--
-- -----------------------------------------------------------------
Robin La Fontaine, Director, Monsell EDM Ltd
DeltaXML: "Change control for XML, in XML"
Tel: +44 1684 592 144 Fax: +44 1684 594 504
Email: robin.lafontaine@deltaxml.com http://www.deltaxml.com
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