P2P stand for Peer to Peer. It’s a type of network communication which allows data and file sharing between software and hardware without passing through the services of a server. Peer-To-Peer transfer is faster because P2P doesn’t need a server to share data and files. P2P is extremely popular for file sharing. Software applications like BearShare, BitTorrent, Kazaa, Shareaza, eMule, etc. use P2P to transfer files. P2P is used by Skype to transmit voice and data messages.