Date: Jul. 25, 2000
Link: http://www-4.ibm.com/software/developer/library/xml-messaging/
Source Author or Organization: Gordon Van Huizen, Progress Software and IBM developerWorks

This tutorial helps the user make sense of the 15 or so XML communication protocols currently vying for attention, with a detailed overview of the approaches of XML Remote Procedure Calls (XML-RPC), Simple Object Access Protocol, (SOAP), Web Distributed Data Exchange (WDDX), Electronic Business XML (ebXML), and Java Message Service (JMS) as they apply to XML transport. Includes basic code and links to resources for each.