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In digital communications networks, packet processing refers to the wide variety of algorithms that are applied to a packet of data or information as it moves through the various network elements of a communications network. There are two broad classes of packet processing algorithms that align with the standardized network subdivision of control plane and data plane. The algorithms are applied to either: : * Control information contained in a packet and are used to transfer the packet safely and efficiently from origin to destination :or : * The data content (frequently called the payload) of the packet is used to provide some content-specific transformation or take a content-driven action. Within any network enabled device (e.g. router, switch, network element or terminal such as a computer or smartphone) it is the packet processing subsystem that manages the traversal of the multi-layered network or protocol stack from the lower, physical and network layers all the way through to the application layer. == History == The history of packet processing is the history of the Internet and packet switching. Packet Processing milestones include: * 1962–1968: Early research into packet switching * 1969: 1st two nodes of ARPANET connected; 15 sites connected by end of 1971 with email as a new application * 1973: Packet switched voice connections over ARPANET with Network Voice Protocol. File Transfer Protocol (FTP) specified * 1974: Transmission Control Protocol (TCP) specified * 1979: VoIP – NVP running on early versions of IP * 1981: IP and TCP standardized * 1982: TCP/IP standardized * 1991: World Wide Web (WWW) released by CERN, authored by Tim Berners-Lee * 1998: IPv6 first published Historical references and timeline can be found in the External Resources section below. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「packet processing」の詳細全文を読む スポンサード リンク
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