Locality-aware P2P networks based on cloud-assistance

The network applications and development deserve to be refined according to the rise of cloud services with scalable storage and computing power. In this paper, the consistence problem that overlay network and physical network are not converged in P2P networks is improved by cloud-assistance. To completely manage the locality information of peers in cloud, a cloud database of mapping IP addresses onto geographical positions is built. A joining peer can find a list of local nodes by cloud services to connect to P2P networks. The performance of finding a list of local nodes is evaluated and an unstructured P2P network is implemented to demonstrate that a peer can select its nearest node to join the system in moderate time.