on 07-11-2006 7:32 PM
IF there are more than one applications that supplies a particular service, for example Temperature conversion, and both of these services are Registered in the Web service and when a Client calls the Webservice for the Temperature conversion, how does the Web Service avoids the ambiguity here? i.e from which application Business Logic web Service is going to make the call?
2) Who will maintain the Web service?
HI,
Following description will clarify your doubts over webservice and its utilization:
Global registry hosted by UDDI Operators
(IBM, Microsoft) has defined process for managing information.
Standards bodies populate standard service descriptions.
Service providers add services they provide and
UDDI business registry assigns unique identifiers to each service. Online marketplaces, search engines, etc. query the registry. Data returned is used to invoke methods on remote Web Services.
Regards,
Srinivasan T
<b>Helpful answer=>points</b>
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Web services are published in UDDI registry by business vendors. Your web service client knows which web service to be called as the WSDL files are different for each vendors/applications, so is the interfaces(port types). So there won't be any chance of ambiguity.
For the second qtn, web services are deployed on to Web servers and the declaration and other port details are described in UDDI registry
regards,
Sujesh
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Hi Rohini,
There can any number of web services which supplies a particular service. But when the services are published in UDDI, each service will have unique name. So there is no way for ambiguity....
Refer these link...
http://www.learnxmlws.com/book/chapters/chapter11.htm
http://www.w3schools.com/wsdl/wsdl_uddi.asp
Regards,
Uma
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