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Remember the heyday of Web services, when we were always just one specification away from perfect interoperability? Ultimately, that towering stack of protocols collapsed under its own weight. SOAP and XML generally are ridiculously verbose protocols that began with a commitment to simplicity and gave way to mind-numbing levels of complexity. Add to that the service repository mess: UDDI died an ignominious death, and OASIS's S-RAMP committee can't even create a website that isn't all broken links.
http://www.javaworld.com/javaworld/jw-01-2013/130124-web-services-are-dead-long-live-rest.html