UPnP remote access server and method of supporting multiple remote accesses

摘要

Provided is a communication method of a universal plug and play (UPnP) remote access server (RAS), the communication method including: accepting a plurality of remote access connections from UPnP devices of a plurality of remote networks; collecting device list information about devices discovered in the plurality of remote networks and a home network of the RAS; generating synchronization information to synchronize the collected device list information between the plurality of remote networks; and transmitting the synchronization information to the UPnP devices of the plurality of remote networks.