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Re: Compression and wireless XML


wap compression
> So, my somewhat ignorant question is: why would these WBXML folks go to 
> the trouble of defining yet another compression scheme for wireless XML?  

The same reason SOAP was invented, I'd imagine - because in order to
justify charging your customers an arm and a leg for a solution, you
have to convince them that you're doing something new and valuable,
even when you aren't.

> Aren't the usual compression techniques available in wireless 
> toolkits/operating systems?  Can XML-specific compression schemes be 
> implemented in significantly less space than gzip (or LZW, or some other 
> widely deployed scheme)? Finally, I thought the WAP Forum had learned its 
> lesson about diverging from standard practice (de facto or otherwise) on 
> the internet, since the wireless infrastructure will not lag TOO far 
> behind the rest of the internet, but it takes quite a bit of time to 
> deploy enough WAP technology to make it worthwhile for enough people to 
> support it to be worthwhile ....
> 
> Can anyone help sort this out for me?

As Tim said, WAP doesn't matter any more.  WAP 2 specifies (last time I
checked) that TCP + HTTP + XHTML-Basic is a conformant stack.  Not that
we needed them to tell us that, but it's nice to see them acknowledge
their own demise. 8-)

MB
-- 
Mark Baker, Chief Science Officer, Planetfred, Inc.
Ottawa, Ontario, CANADA.      mbaker@p...
http://www.markbaker.ca   http://www.planetfred.com

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