Primer: Event-Driven Architecture - Page 2

By Kevin Fogarty  |  Posted 2004-06-21 Print this article Print

So whats the goal?

As the technology becomes more sophisticated and standards are certified, agent-based systems will help companies actively manage and maintain their technology as well as business processes. This task is now too difficult and expensive to develop in other ways.

So why is this a big deal now?

As Web services become more capable and popular, their strengths and weaknesses are more apparent. They could allow an unprecedented amount of sophisticated communication among business applications, but that communication would only be as reliable as the medium and the languages through which they communicate. The languages are easy to use but dont have the bulletproof reliability that message-oriented middleware provides. And the medium—well, the medium is the Internet.

Vendors are trying to make event-driven development easier by adding communications-broker software called Enterprise Services Buses to their portal software. ESBs will use standardized protocols to let event-driven applications communicate and make them as reliable as middleware-based applications.

ESBs and the standards theyll rely on are still at least six months off, however, so companies interested in events will for now have to stick with tools and techniques that come out of a programmers lair, not packaged products that saturate with sizzle before substance.


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