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JackBe’s Presto Jazzes Up Look of SOA


By David Worthington
March 1, 2007 — 
Amidst all the talk of the ins and outs of SOA, JackBe is voicing its concern that not enough attention is devoted to the end-user experience. Making these services easy on the eye is the aim of JackBe’s Presto Rich Enterprise Application (REA) platform, which couples SOA with AJAX. Presto’s beta bits are currently undergoing testing, and the finished product is expected to ship around March.

According to Jerrold Prothero, JackBe’s resident user interface expert, “Presto’s AJAX UI layer is derived from Overwatch. [Overwatch is an interface JackBe is developing for the U.S. Defense Intelligence Agency.] New UI layers will be created on a per-sector basis, corresponding to users’ needs.”

In Prothero’s opinion, user interfaces should be designed from the user on out. That way, he claimed, the user base is built into the product. In his opinion, Web interfaces are playing catch-up to the desktop, and a good Web interface can make SOA more assessable.

Presto is a layer that rests on top of SOA that provides a back-end structure and AJAX interface to connect to Web services. JackBe has keyed in on three primary business requirements for Presto REA to address: service governance, empowerment and reliability.

Five platform components provide a means to those ends. The Enterprise Service Director tackles governance management, providing access control, handling authentication and permissions, and trusted services through a mediation gateway. Both internal and external services pass through the gateway layer; databases, WS/REST and .NET are supported.

Another component, an enterprise “mashup” server, lassos together disparate services to create hybrid Web applications. Users can dynamically combine Web services with AJAX to create widgets, or views, to save and share with others.

JackBe’s AJAX service bus is the mechanism that puts the “asynchronous” in AJAX, designed to be scalable and reliable, and to offer secure, bidirectional messaging between client and server, support for push-based events and “once-and-only-once” message delivery.

The final two pieces of Presto are geared toward developers. Advanced developers may find more utility in the NQ Ajax Framework, a runtime development framework that uses an XML-based schema-driven mark-up language.

NQ Studio is a visual, browser-based WYSIWYG studio, designed for nonprogrammers.

FOCUS ON GOVERNANCE
“There are scores of new products designed to accelerate AJAX development and client-side mashup of Web services,” said Ron Schmelzer, senior analyst with ZapThink. “What makes JackBe’s Presto platform unique is its central focus on SOA service governance. JackBe clearly understands that governance, scalability and reliability are critical factors for enterprises as they leverage SOA and AJAX to create the next generation of rich enterprise applications.”


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