Patent ID: 8054831

Claim:
A method of receiving event information in a Universal Plug and Play (UPnP) network, the method comprising: (a) selecting by a control point, a part of a plurality of status parameters of a service for an event based on characteristics of an application performed by the control point and selecting by the control point, a predetermined level of the selected part of the plurality of status parameters based on a hardware performance of the control point, the service being provided to the control point by a controlled device, and the plurality of status parameters of the service indicating statuses of the service provided to the control point by the controlled device; (b) transmitting, by the control point to the controlled device, under a control of a processor of the control point, an event subscription request message including information of the selected part and the selected predetermined level to request a notice regarding the part of the plurality of status parameters of the service for the event which indicates at least one of status changes of the service to be provided by the controlled device only when a change in a value of the part of the status parameters of the service is equal to or greater than the predetermined level; and (c) receiving by the control point, information regarding only the selected part of the status parameters in response to the request.