| Summary: | However powerful, intelligent, or functionally rich you design an application system, without suitably robust and reliable user management the application system is unusable. Unfortunately, most software overlooks user management and takes this critical piece of software for granted. At the same time, no single standard in user management exists -- no software to date truly explores how this can be done in a standard and centralized manner. As a solution, Tapestry is a standards-based user management system, developed on the Java platform, using WSDL and SOAP to define the services and UDDI to publish it. In this article, Chang Sau Sheong describes the basic architecture and rationale behind Tapestry. (5,000 words)
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