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Serving Up SOAP: Page 9 of 20

IonaOrbix E2A Web Services Integration Platform with XMLBus Edition 5.4


Iona's XMLBus is a platform, like Cape Clear's and Systinet's offerings, but it requires the use of an application server regardless of deployment. When it is deployed in a standalone configuration, a Tomcat J2EE application server is deployed as well to provide XMLBus with the framework necessary to perform. XMLBus also can be integrated into BEA's WebLogic, IBM's WebSphere Application Server and Iona's own Orbix E2A Application Server. The integration is performed during installation, making it a breeze to deploy into an existing environment.

XMLBus offers some additional value-adds in its IDE Web Services Builder, including a workflow component that makes developing composite Web services a snap. Iona says it expects WS-Choreography support to be included as soon as the standard is complete, which makes the platform an excellent choice for building collaborative and workflow-based applications that take advantage of Web services. Even without support for WS-Choreography, XMLBus' current solution is unique among those we tested in its support of choreographing the flow of business logic among disparate Web services.

XMLBus ships with a private UDDI server, intended for internal use only. Although this is useful for internal publishing of

services, we preferred the customizable taxonomies offered by Systinet's private UDDI server. Iona's default UDDI registry searches are based on the premise that services are public, and therefore require a search by organization, which is unnecessary in an internal-only scenario. The ability to customize taxonomies would be a good addition.

Orbix E2A Web Services Integration Platform, XMLBus Edition 5.4, $495 per development license. Iona Technologies, (800) 672-4948, (781) 902-8000. www.iona.com