US Patent 6996599 System and method providing multi-tier applications architecture

A network-based distributed application system is provided in accordance with the present invention for enabling services to be established locally on a client system. The system may include an application and presentation logic, at least a portion of which is interchangeably processed by a server or a client without modification to the portion. The core functionality provided by the application may be preserved between the client and the server wherein improved network performance may provided along with improved offline service capabilities.