Write the differences between Client-server architecture and Peer-to-Peer network architecture.

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Client-Server architecture: uses one or more central servers that manage and store shared resources; clients request services from the server; it is a centralized architecture where the server controls access and communication; it is easier to manage, more secure, and scalable, but if the server fails, clients cannot access shared resources. Peer-to-Peer (P2P) architecture: each device (peer) can act as both a client and a server, sharing data and resources directly with other peers; all devices have equal status and there is no central server (decentralized); it is simple and cheap to set up for small networks, but becomes difficult to manage and less secure as the network grows large.