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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: SOAP and the Web
 > From: Simon St.Laurent [mailto:simonstl@s...] > > On Thu, 2002-04-25 at 20:33, Mike Deem wrote: > > My technical argument is this: all that matters when using SOAP is XML > > and all the power of XML can be leveraged when building applications > > that use SOAP. > > You don't need SOAP to leverage XML. If all that matters when using > SOAP is XML, I'll take my XML straight up, thanks. But an URI with an HTTP GET isn't XML. If you are doing HTTP POST (or SMTP, FTP, or any other protocol that moves data from one socket to another) with XML content, you are almost there. Now, suppose you want to include a digital signature with the message. This signature really should not be part of core message content itself (you should not have to change the schema for this content to include the signature). You need some mechanism to separate this extra information from the core message content. SOAP does this with an envelope that contains the core content (the body), and the extra information (the headers) in a well defined structure. Having this well defined structure, and the well defined processing model behind it, is also a technical advantage of SOAP. Yes, SOAP does mix the message (body) and the envelope/headers. The inconvenience this causes in some cases is, IMO, made up for by the fact that the *entire* message is still just XML. == Mike == This posting is provided "AS IS" with no warranties, and confers no rights. 
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