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Paul Prescod's excellent April 2002 XML.com article on the Google API
[1] addresses the same general issues. Paul makes some points regarding
benefits of the HTTP approach (several listed below - most if not all
are still pertinent today):
- HTTP has standardized ways of doing authentication and of handling
non-XML (including non-textual) data.
- The message size is a tiny fraction of the original.
- It is much easier for a typical system security administrator to
filter, log, monitor and read [the HTTP version].
- The CPU load is also likely to be significantly smaller.
- Users of the HTTP version have no need to install a SOAP
implementation like .NET's or Apache's. They can use any HTTP
implementation, including Internet Explorer, Netscape, Mozilla, [snip]
- The HTTP version is highly amenable to caching. You can set up a
standard HTTP cache on your local network or use one at your ISP.
- The HTTP version could use the little-known feature of HTTP known as
content negotiation.
Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton
Strategy and Technology Consultants to the World
[1] http://webservices.xml.com/pub/a/ws/2002/04/24/google.html?page=1
Jonathan Robie wrote:
>
> From http://www.xml.com/pub/a/2003/12/09/xml2003amazon.html:
>
> >The next issue was that of protocols. Should they support SOAP or XML over
> >HTTP (that is, REST)? In the end Amazon provided both and let developers
> >make the choice. Despite it being the "standard", only about 15% of Amazon
> >web services calls are made with SOAP, the remainder with REST.
>
> Why do you think Amazon's users prefer REST? Suppose every web service
> were available using either REST or SOAP - when would you choose to go with
> SOAP?
>
> Jonathan
>
>
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