Gordon van Huizen

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XML has become the standard format for B2B data exchange. To actually implement such exchanges, however, the programmer must provide data transport and translation services. Java-based messaging provides an ideal transport for XML. This article explores how to use a Java messaging server as the infrastructure for exchanging XML data between B2B participants. XML itself doesn't specify a communications infrastructure. Employing RPC (remote procedure call) mechanisms to exchange XML data via HTTP - an approach advocated by some - suffices for rudimentary applications but doesn't scale for distributed applications across multiple systems, such as in business-to-business e-commerce. In such systems parties are often unreachable, yet reliability of communications is crucial. Take the relatively simple example of communicating price changes. To ensure that each disconnect... (more)