Blogarithms
Doug Kaye's thoughts on web services, web hosting and managed services.
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Tangled Web Services If, like me, you were confused about the business-process segment of the web-services protocol stack, the recent announcement by IBM, Microsoft and BEA of BPEL4WS only made things worse. After reading, asking questions, scratching my head, and reading some more, I think I've got it. (And I'm sure you'll let me know if I haven't.)
Some highlights and explanations:
- XLANG and WSFL are gone, replaced by BPEL4WS.
- The BPMI.ORG stack--supported by a very large number of members, most notably Sun--is based on XML, but predates SOAP. That means it works on top of other protocols, but doesn't take advantage of SOAP's support. The BPEL4WS stack utilizes, and is locked to, SOAP.
Thanks to Dave Wright at Microsoft for clearing my cobwebs, and to Peter Drayton for posting links to the newly-published specs.
Posted Thursday, August 22, 2002 6:59:30 PM 
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You (Don't Even) Get What You Pay For Owners of 2.5 million web pages hosted for free by the now-defunct Talk City, can't retrieve copies of their sites. This includes customers who used Talk City via wholesalers such as MSN. Customers of Excite@Home and online photo site PhotoPoint also lost e-mail or photographs when those companies closed shop earlier this year. No matter how large or small your site may be, always keep your own backups. Your vendor's backups are to restore your site after a catastrophe. They won't protect your intellectual property.
Posted Thursday, August 22, 2002 1:52:29 PM
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