3. The computer-implemented method of claim 1 , further comprising: facilitating communication between the client machine and the web service via one or more conversion engines, the one or more conversion engines configured to communicate asynchronously with the first web service in accordance with the first web service description file, the one or more conversion engines configured to communicate synchronously with the first client machine in accordance with the second web service description file.
4. The integration services network of claim 3 , wherein facilitating communications between the first client machine and the first web service comprises: receiving a synchronous request from the client machine in accordance with the second description, and converting the synchronous request to an asynchronous message for transmission to the first web service in accordance with the first description.