SunTM Open Net Environment (Sun ONE) customers can develop web services with XML support that is interoperable with other standards-based services, regardless of the underlying platform. The role of JavaTM technology and Simple Object Access Protocol (SOAP) are discussed in this article.

Java technology provides Sun ONE with open, cross-platform support for SOAP and other key web services standards. SOAP is an industry standard now being defined by the World Wide Web Consortium (W3C). It defines how applications communicate with one another on the network, a fundamental feature for networked services on demand.

"The Java platform is a fundamental foundation for the Sun ONE architecture and brings key differentiators to Sun ONE: support for open industry standards and the ability to integrate easily with other software products," said Rich Green, vice president and general manger, Java and XML Software, Sun.

Web services standards, such as SOAP, are still being defined, but developers can use a variety of interim implementations available from several sources, such as the Apache Project, Cape Clear, or tools vendors. Vendors can also write native support into their products. The Sun ONE products and the Java technology platform currently utilize this model. Ultimately, the individual products that make up the Sun ONE family will utilize common implementations of XML and other web services standards as they are created by the Java Community ProcessSM Program (JCP), including support for SOAP and XML processing.

The JCP program has completed and released the JAXP API specification to support XML processing and parsing. The Java API for XML Messaging (JAXM), which is nearing completion by the JCP, will provide SOAP support to the iPlanetTM Message Queue product, which in turn provides SOAP support to iPlanetTM Application and Integration Servers and other Sun ONE products that are implementations of Java technology. The iPlanetTM Integration Server today includes a native implementation of SOAP. iPlanet Message Queue is a high performance JavaTM Message Service (JMS) implementation message oriented middleware product.

Additional JCP Expert Groups, made up of representatives from multiple member companies, have formed as part of the JCP program to develop the additional APIs that will provide Java technology platform support for communication to registries and repositories, such as UDDI and ebXML; remote procedure calls and data binding.

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