However, the nature of peer to peer serving means that each user of the system is also a server. The upload speed of standard home broadband connections is usually a fraction of the download speed, so several upload sources may be required by each additional peer.
In peer-to-peer (P2P) systems, each user acts as both a client and a server. Due to the limited upload speeds of typical home broadband connections, multiple upload sources are often needed for each additional peer.