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web services certainly have the potential to improve and simplify the process of enterprise application integration (eai). by establishing a nonproprietary, universally accepted standard of communication between applications, web services can succeed where other approaches have struggled. with web services, organizations can integrate key applications without relying on costly, time-consuming, proprietary, and maintenance-intensive solutions. that said, web services alone are not in and of themselves a complete integration platform, but rather merely the enabling standards. as a result, web services cannot serve as a complete substitute for an eai platform in many cases. with robust management solutions, however, web services are evolving to complement and strengthen traditional eai methodologies, making integration projects less time consuming, inflexible, and costly.
problems with integration projects persist
most integration projects fail. a recent forrester research report stated that almost 65% of eai projects run behind schedule and are significantly over budget. on average, the cost is approximately $6.4 million per project by the time the smoke clears. in general, application integration is a far longer and more expensive proposition than the outcome seems to justify.change management is perhaps the greatest source of pain with eai initiatives. with conflicts in data message definitions or mismatches in proprietary components, a change to either side of a set of integrated systems necessit... 下一页