Comparison With Peer-to-peer Architecture
Main article: Peer-to-peer See also: Cloud computing, reliability engineering, and single point of failureIn the client-server model, the server is a centralized system. The more simultaneous clients a server has, the more resources it needs. In a peer-to-peer network, two or more computers (called peers) pool their resources and communicate in a decentralized system. Peers are coequal nodes in a non-hierarchical network. Collectively, lesser-powered computers can share the load, and provide some redundancy.
Since most peers are personal computers, their shared resources may not be available consistently. Although an individual node may have variable uptime, the resource remains available as long as one or more other nodes offer it. As the availability of nodes changes, a communications protocol reroutes requests.
Read more about this topic: Client-server Protocol
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