An edge peer device, includes a first peer device connection management unit for allowing the edge peer device to participate in a peer-to-peer (P2P) network, and establishing a pipe connection to other edge peer device or the PAN gateway device to transmit or receive contents; a first peer device authentication unit for performing authentication of the edge peer device and PAN gateway device; and a first advertisement management unit for generating and storing advertisements and indexing the generated advertisements to transmit the indexed advertisements to the super peer device. Further, the edge peer device includes a first PAN device management unit for requesting and receiving a list of PAN devices from the PAN gateway device to manage the PAN device list; a first PAN service management unit for managing and providing services included in the PAN device list; and a first P2P communication unit for performing P2P communication with the super peer device and other peer devices.