Value-added-network meaning

A communications network that provides services beyond normal transmission, such as automatic error detection and correction, protocol conversion and message storing and forwarding. Telenet and Tymnet are examples of value-added networks.
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A network that offers a value-added service, i.e., services that alter the form, content, or nature of the information, thereby adding value to it. Packet-switched networks, and specifically X.25, were the first VANs. Specifically, X.25 added value through error correction. See also packet switch, value-added service, and X.25.
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