Method to invoke service among devices in home network

Abstract

This invention discloses a method of calling service among devices in home network, comprising following steps: a service calling party obtains a service handle of the called service by using the characterized information of the service, sends a service calling request information to a called party by using the obtained called service handle; the protocol stack of the called party determines whether or not the called service exists based on the service handle of the called service contained in the request information and whether or not the called service has established a renting relationship with the service calling party after receiving the request information, if not, the flow will be ended; if it is, the called party sends service call response message containing service call result to the service calling party; after receiving the service call response message, the protocol stack of the service calling patty determines whether or not the service exist based on the service handle of the called service included in the response message, and whether or not the calling service has established a renting relationship with the called party, if it is, the service calling party and the called party start the actual interacting processing of the service call; otherwise, the flow is ended. This method allows each of devices in the home network to share resources and ensure the reliability of the service call.

Dependencies are inferred from the claim text.