1. A method for managing a web service client update, the method comprising: receiving a request for the web service from a client; transmitting the request to the web service; receiving notification of the web service update; parsing the notification and retrieving parameters describing the web service update; marshalling the parameters; determining whether the web service update is compatible with a current web service invoked by the client's application; updating the local service proxy instance with the marshaled parameters if the web service update is compatible with the current web service invoked by the client application; and transmitting a notification to a user if the web service update is not compatible with the current web service invoked by the client application.