Peer-to-peer networks (P2P) have gained publicity in last years mainly because of Gnutella and other file sharing software that have presented the potentiality of linking free and idle resources together at the edges of Internet. When these resources can be found easily in the network a community of users can get a massive amount of resources almost without any investments on expensive facilities. P2P research group is located in University of Jyväskylä and we study peer-to-peer communication and behavior of peer-to-peer networks concentrating on distributed search of resources in mobile social P2P networks.

Properties associated to peer-to-peer networks include: