26. An integration services network for providing a client machine with access to one or more web services over a network comprising: a synchronous communications interface to store a first web service description file describing how to interact with a web service using synchronous communications; a conversion engine to translate the first web service description file into a second web service description file, the second web description file describing how to interact with the web service using asynchronous communications, the conversion engine situated on one or more computing devices; and an asynchronous communications interface to receive a request from the client machine to use asynchronous communications between the client machine and the web service and to provide the second web service description file to the client machine.
26. An integration services network for providing a client machine with access to one or more web services over a network comprising: a synchronous communications interface to store a first web service description file describing how to interact with a web service using synchronous communications; a conversion engine to translate the first web service description file into a second web service description file, the second web description file describing how to interact with the web service using asynchronous communications, the conversion engine situated on one or more computing devices; and an asynchronous communications interface to receive a request from the client machine to use asynchronous communications between the client machine and the web service and to provide the second web service description file to the client machine. 30. The integration services network of claim 26 , the network further comprising: a directory stored in a central repository comprising one or more computing devices, the directory mapping an identity for each of a plurality of users to a policy framework which defines access information relating to the one or more web services.