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What is EAI Web Services?

 
Greenhorn
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I read that Web Services have 3 Adoption Phases
1st Phase � Simple Web Services
2nd Phase � EAI Web Services
3rd Phase � Business Web Services

So what the difference between them?
 
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Originally posted by mahmoud allam:
So what the difference between them?



Where did you read this? These are probably terms that are defined within the context of the material that you have read - that does not mean that these terms are universally accepted.

My guess would be:

Simple web service: One-off solution to either integrate two disparate systems within the company infrastructure or to establish an electronic link with one specific trading partner.

EAI Web Services: Systematic use of web services to integrate all heterogeneous systems within the company.
Example: Composed Messaging with Web Services

Business Web Services. This one could imply one of two totally different concepts.
  • Systematic use of web services for electronic interactions with most trading partners.
  • Systematic implementation of business processes as services that can then be choreographed/coordinated (e.g. BPEL) into a WS-style SOA.

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