RE: SOAP performance

I wonder if gzipping the body is sweet spot for use with SOAP.  Maybe
the ebXML guys got it right - the body is in the first mime attachment.
Can't recall whether xop/mtom allows the soap body to optimized.

Dave

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf
Of
> Michael Champion
> Sent: Thursday, October 28, 2004 12:31 PM
> To: [email protected]
> Subject: Re: SOAP performance
> 
> 
> 
> On Oct 27, 2004, at 12:55 PM, Robert van Engelen wrote:
> 
> >
> > The gSOAP toolkit [4][5] essentially generates a recursive descent
> > parser for an XML schema, i.e. the parser is specifically optimized
to
> > consume instances of that schema [2][5]. The results of this
> > "schema-specific" parsing approach on performance are available in
[3]
> > and a comparison to even faster techniques is presented in [1]. To
> > corroborate Steele's results, another interesting real-world
> > application (SNMP) is discussed in [6] and [7], which also
> > investigates native formats compared to XML with and w/o
compression.
> >
> >
> 
> I'm a bit unclear on real-world use cases for schema-specific XML
> parsing.  That seems to create a tight coupling between the sender and
> receiver (both have to know the schema to interoperate), and
> intermediaries such as WS-Security aware firewalls that can't
plausibly
> know the schema are infeasible.  In other words, that defeats the
whole
> purpose of SOAP/XML, as far as I can tell:  If both sides know each
> other's schema, why not just exchange serialized objects?  If you
can't
> use the SOAP processing model (e.g. intermediaries that can add and
> process headers), why bother with SOAP?
> 
> What am I missing?
>