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A common form of distributed system in which software is split between server tasks and client tasks. A client sends requests to a server, according to some protocol, asking for information or action, and the server responds.

This is analogous to a customer (client) who sends an order (request) on an order form to a supplier (server) who despatches the goods and an invoice (response). The order form and invoice are part of the "protocol" used to communicate in this case.

There may be either one centralised server or several distributed ones. This model allows clients and servers to be placed independently on nodes in a network, possibly on different hardware and operating systems appropriate to their function, e.g. fast server/cheap client.

Examples are the name-server/name-resolver relationship in DNS, the file-server/file-client relationship in NFS and the screen server/client application split in the X Window System.

Usenet newsgroup: news:comp.client-server.

["The Essential Client/Server Survival Guide", 2nd edition, 1996].
References in periodicals archive ?
In the rare instance a client server needs to restore this data, its backup software is pointed to the correct logical volume on the IP SAN to copy the required data.
Ethernet's inherent ability to support concurrent server data transfers on the network enables a client server to restore data from its own logical volume without impacting other restore operations that may be occurring at the same time on other servers.
We expect the new Client Server Edition will give us the benefits of reduced update time, improved productivity, and a faster and more efficient search engine.
The Client Server Edition packages the same award-winning user interface and search engine on CD ROM as the earlier Network Edition.
Pfastship Client Server technology can help companies make things even more simple for their end users.
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