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  2. Packet switching - Wikipedia

    en.wikipedia.org/wiki/Packet_switching

    In telecommunication networks, packet switching is used to optimize the usage of channel capacity and increase robustness. [59] Compared to circuit switching, packet switching is highly dynamic, allocating channel capacity based on usage instead of explicit reservations. This can reduce wasted capacity caused by underutilized reservations at ...

  3. Donald Davies - Wikipedia

    en.wikipedia.org/wiki/Donald_Davies

    Davies proposed and studied a commercial national data network in the United Kingdom and designed and built the first implementation of packet switching in the local-area NPL network in 1966-69 to demonstrate the technology. Many of the wide-area packet-switched networks built in the late 1960s and 1970s were similar "in nearly all respects" to ...

  4. NPL network - Wikipedia

    en.wikipedia.org/wiki/NPL_network

    The first theoretical foundation of packet switching was the work of Paul Baran, at RAND, in which data was transmitted in small chunks and routed independently by a method similar to store-and-forward techniques between intermediate networking nodes. [13] [14] [15] Davies independently arrived at the same model in 1965 and named it packet ...

  5. ARPANET - Wikipedia

    en.wikipedia.org/wiki/ARPANET

    Donald Davies' work on packet switching and the NPL network, presented by a colleague (Roger Scantlebury), and that of Paul Baran, came to the attention of the ARPA investigators at this conference. [39] [23] Roberts applied Davies' concept of packet switching for the ARPANET, [40] [41] and sought input from Paul Baran on dynamic routing. [42]

  6. Outline of the Internet - Wikipedia

    en.wikipedia.org/wiki/Outline_of_the_Internet

    History of Internet components History of packet switching – a method of grouping data into packets that are transmitted over a digital network, conceived independently by Paul Baran and Donald Davies in the early and mid-1960s. History of communication protocols – the set of rules to enable data communication between computers on a network.

  7. Roger Scantlebury - Wikipedia

    en.wikipedia.org/wiki/Roger_Scantlebury

    [20] [21] Elements of the network became operational in early 1969, [22] [23] the first implementation of packet switching, [24] [25] and the NPL network was the first to use high-speed links. [ 4 ] [ 26 ] He was seconded to the Post Office Telecommunications in 1969, participating in a data communications study and supervising four data ...

  8. X.25 - Wikipedia

    en.wikipedia.org/wiki/X.25

    X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative Committee (CCITT, now ITU-T) in a series of drafts and finalized in a publication known as The Orange Book in 1976.

  9. Coloured Book protocols - Wikipedia

    en.wikipedia.org/wiki/Coloured_Book_protocols

    Over time, as technology evolved, many of the concepts and principles from the Coloured Book Protocols were integrated into broader international standards. They remain an important part of the history and evolution of computer networking, showcasing an early effort to establish standards and protocols for efficient and reliable communication ...