. Peercasting, unlike IP multicast, allows data streams to be accessed. Peercasting uses peer-to-peer networks as overlay networks and routes the data streams from peer to peer. The connections between peers are negotiated over an overlay network. Alternatively, the data streams can be split into smallest segments and distributed by a program like BitTorrent. With this method, high transfer rates can be achieved and many users can be reached at the same time. This is due to the fact that in peer-to-peer networks, computers provide each other with resources such as bandwidth.
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