Implementing Webservices Doubt

Hi,
i have few queries in my mind
we have to integrate Third party webservices with our SAP R/3
1) Assume that in IDOC--- SOAP scenario( External Web Service) who has to generate the WSDL file????
2) In SOAP -
IDOC scenario( External web service) who has to generate the WSDL file.
Regards
Suman

Hi,
The basic thing behind the Webservice is to follow the wsdl structure.
On Sender side of SOAP we could create the WSDL file with defining the Webservice in ID and that can be deployed on Sender system to send the request message from web service.
On Receiver side normally the Webservice structure has to be define as per the receiver system so its preferrable to take the wsdl as per Receiver system and use it in XI as external defination.
In your IDOC-SOAP scenario, Web service is on receiver end and you have to develope the wsdl on receiver end as per the services provided by receiver system and the URL directs to receiver system.
Here you should not create the wsdl from XI as the url that you will be giving in XI will be pointing to XI Interface by giveing the service and communication details.
http://<Host>:<port>/XISOAPAdapter/MessageServlet?channel=<party>:<service>:<communication channel>
In SOAP ---IDOC Scenario do we need to deploy any WSDL File on XI Server and Why???
Here SOAP will be sender and will be directing to XI server so we need to deploy it in XI.
I hope now its clear to you
Thanks
Swarup

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> Is it possible use web services paradigm with an asynchronous scenario?
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> To receive acknowledges that tell me if the message was processed or not, I need to define two Message Interfaces. 1) Outbound, Asynchronous 2) Inbound, Synchronous? Is it possible only with one async interface?
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