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   Re: [xml-dev] Article: "The horror of XML"

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Mike Champion wrote:
> Since SOAP 1.2 is defined on the infoset, it presupposes that a parser
> has done its work ... AFAIK, that doesn't imply an XML syntax
> parser, just one that produces XML Infosets.

The language in the spec is indeed quite clear on that point in section 4.2:

The binding framework does NOT require that every binding use the XML 
1.0 [8]  serialization as the "on the wire" representation of the 
Infoset; compressed, encrypted, fragmented representations and so on can 
be used if appropriate.

I'm having trouble finding a SOAP toolkit that seems to be aware of this 
paragraph however, which is a pity as experiments on SOAP performance 
(which I am currently conducting) require that kind of low-level access 
to the "on the wire" format.

> Of course, the "Horror of XML" makes facile and possibly unwarranted
> assumptions that the XML syntax is an bottleneck in web applications and
> web services.  I'd recommend Sean McGrath's article at
> http://www.propylon.com/html/knowledge/XML_is_Too_Slow_20011110.html
> to anyone even THINKING about assuming this before profiling their code.

In some cases it does turn out to be the bottleneck, but it's true that 
jumping to conclusions there is a bad idea.

Robin Berjon <robin.berjon@expway.fr>
Research Engineer, Expway
7FC0 6F5F D864 EFB8 08CE  8E74 58E6 D5DB 4889 2488


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