Disadvantages

• Traffic overcrowding on the network has been an subject since the inception of the client-server paradigm. As the amount of instantaneous client requests to a given server increases, the server can turn out to be severely overfull. Contrast that to a P2P network, wherever its bandwidth really increases as extra nodes are added, since the P2P network's in general bandwidth can be approximately computed as the sum of the bandwidths of each node in that network.

• The client-server model lacks the robustness of a good P2P network. Below client-server, should a serious server fail, clients' requirements cannot be fulfilled. In P2P networks, assets are typically distributed among numerous nodes. Even if one or more nodes disappear and dispose of a downloading file, for instance, the left over nodes should still have the data wanted to complete the download.

Exact types of clients include email clients, web browsers, and online chat clients. detailed types of servers comprise web servers, ftp servers, application servers, database servers, mail servers, file servers, print servers, and terminal servers. Most web services are also types of servers.