Peer-to-peer
A decentralized architecture where peers act as both clients and servers sharing resources directly. Peer-to-peer avoids central servers and single points of failure.
Real World
BitTorrent lets users download files like Linux distributions by receiving pieces from hundreds of other users simultaneously — each downloader also uploads, so popular files actually get faster to download.
Exam Focus
Contrast P2P with client-server on scalability, single point of failure, and management difficulty for comparison questions.
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