It is possible to control the data transfer between a proxy server apparatus and an application server that is connected to the proxy server apparatus. An value added service control command is added to an request message and/or the response data. In accordance with the value added service control command...http://www.google.com.au/patents/US7277914?utm_source=gb-gplus-sharePatent US7277914 - Proxy server apparatus and method for providing service using the same
