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A little wonder, every day

ARPANET and packet switching

Історичне фото інтерфейсного процесора повідомлень ARPANET, 1969 / Historical photograph of an ARPANET Interface Message Processor, 1969.
Історична схема чотирьох вузлів ARPANET з архіву DARPA; карта, не фото мережі / Historical four-node ARPANET sketch from DARPA; a map rather than a photograph of the network.
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Історичне фото інтерфейсного процесора повідомлень ARPANET, 1969 / Historical photograph of an ARPANET Interface Message Processor, 1969.

Listen to fact0:00 / —

By the end of 1969 ARPANET, developed with support from the U.S. agency ARPA, connected four research computer nodes. It used packet switching: data were divided into small units for transmission over a shared network. It was an important precursor of the internet, rather than the World Wide Web. Lawrence Roberts led ARPANET planning; packet networking also developed through independent work by Paul Baran, Donald Davies and other researchers. Attributing the entire technology to one inventor would be misleading.