Patent ID: 8190726
Filing Date: 2012-05-29
Classification: H04L

Abstract:
1. A communication method of a universal plug and play (UPnP) remote access server (RAS), the communication method comprising: accepting a plurality of remote access connections from UPnP devices of a plurality of remote networks; collecting device list information comprising information about a network structure of the plurality of remote networks and a network structure of a home network of the RAS, including information about devices discovered in the plurality of remote networks and information about devices discovered in the home network of the RAS, at the RAS; generating synchronization information to synchronize the collected device list information between the plurality of remote networks, at the RAS; transmitting the synchronization information from the RAS to the UPnP devices of the plurality of remote networks; and routing a UPnP device control action message, which is received from a UPnP Control Point of a remote network and controls a UPnP device of another remote network, to the other remote network.