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From Tim Becker <tbec...@pironet.com>
Subject Re: Performance, XML messages compression
Date Tue, 08 Feb 2000 14:49:51 GMT

Paul.Waugh@wdr.com wrote:
>      Does anyone know or any working groups that are looking at a standard
>      for XML compression.

>> This email from the XML-DEV list is right on point for xml compression:
>> http://www.lists.ic.ac.uk/hypermail/xml-dev/xml-dev-Dec-1999/0718.html
>> It references a web site:
>> http://www.research.att.com/sw/tools/xmill

You also might want to look at WBXML (WAP Binary XML Content Format)

"...defines a compact binary representation of the Extensible Markup
Language [XML]. The binary XML content format is designed to reduce the
transmission size of XML documents, allowing more effective use of XML
data on narrowband communication channels. Refer to the [WML]
specification for one example use of the binary XML content format. ..."

It's not specific to WML, though and it's pretty simple to implement. I
don't know how the compression compares to LZW, unfortunately.

The spec is available at wap-forum

	-Tim Becker

Tim Becker (SCJP/CCNA) - Junior Consultant - SBU Software
Im Mediapark 5 - 50670 Cologne - Germany
Tel.: +49 (0)221 454 3976 - Fax: +49 (0)221 454 3710 
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