XML-based language description for controlled devices

A computer-readable data-carrying media having encoded thereon a software program executable on a computing device for performing a method for accessing a user-selectable service on a controlled device in an ad hoc network the method comprising:

• creating a definition of the controlled device using an XML-based language, wherein the definition includes a service control protocol definition;
• storing the definition on at least one computer-readable medium;
• identifying a set of states in a service state table on the controlled device in accordance with the service control protocol definition for the user-selectable service;
• determining a set of commands in accordance with the service control protocol definition to control the user-selectable service and to update the set of states identified byte service state table;
• and
• generating a service control protocol in accordance with the service control protocol definition to interact with the user-selectable service, wherein the service control protocol comprises plural network messages having a content and a sequence used to interact with the user-selectable service;
• wherein the definition of the controlled device comprises XML-language elements to identify on the controlled device the manufacturer, model name, and model description;
• wherein the definition comprises a root device element, a unique device name element, a friendly name element, a device type element, and an icon list element.