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300px ARPANET logical map, March 1977 No Data United States NCP, TCP/IP 1969 1990 Defense Advanced Research Projects Agency (DARPA) thumb|upright=1.4|ARPA नेटवर्क मैप 1973 thumb|upright=1.4|ARPANET नेटवर्क मैप 1974 एडवांस्ड रिसर्च प्रोजेक्ट्स एजेंसी नेटवर्क (ARPANET) एक शुरुआती पैकेट-स्विचिंग नेटवर्क और टीसीपी/आईपी प्रोटोकॉल सूट को लागू करने वाला पहला नेटवर्क था। दोनों प्रौद्योगिकियां इंटरनेट की तकनीकी नींव बनी। ARPANET की शुरुआत संयुक्त राज्य अमेरिका के रक्षा विभाग की उन्नत अनुसंधान परियोजना एजेंसी (ARPA) द्वारा की गई थी।L. A. Lievrouw, Handbook of New Media: Student Edition (p. 253) (edited by L. A. Lievrouw, S. M. Livingstone), published by SAGE 2006 (abridged, reprint, revised), 475 pages, 1412918731 [Retrieved 2015-08-15].https://books.google.co.uk/books?id=YHwQ9WpvHfEC&pg=PA6&dq=ARPANET&q=ARPANET G. Schneider J. Evans K. Pinard The Internet – Illustrated Cengage Learning 2009 978-0-538-75098-1 2015-08-15 https://web.archive.org/web/20190404171718/https://books.google.co.uk/books?id=YHwQ9WpvHfEC&pg=PA6&dq=ARPANET&q=ARPANET 4 अप्रैल 2019 live K. G. Coffman & A. M. Odlyzco, Optical Fiber Telecommunications IV-B: Systems and Impairments https://web.archive.org/web/20190404171653/https://books.google.co.uk/books?id=TXhWJcsO134C&pg=PA29&dq=ARPANET#v=onepage&q=ARPANET 4 अप्रैल 2019 , published by Academic Press, 22 May 2002, 1022 pages, Optics and Photonics, 0080513190, (edited by I. Kaminow & T. Li) [Retrieved 2015-08-15].https://books.google.co.uk/books?id=vtyowiyW9BkC&pg=PA12&dq=ARPANET&q=ARPANET R. Oppliger Internet and Intranet Security 12 Artech House 2001 978-1-58053-166-5 2015-08-15 https://web.archive.org/web/20190404172051/https://books.google.co.uk/books?id=vtyowiyW9BkC&pg=PA12&dq=ARPANET&q=ARPANET 4 अप्रैल 2019 live https://books.google.co.uk/books?id=gZ9srwU_9xMC&pg=PA118&dq=ARPANET&q=ARPANET H. Bidgoli The Internet Encyclopedia John Wiley & Sons 2004 978-0-471-68996-6 2: G–O 2015-08-15 https://web.archive.org/web/20190404195810/https://books.google.co.uk/books?id=gZ9srwU_9xMC&pg=PA118&dq=ARPANET&q=ARPANET 4 अप्रैल 2019 live सन्दर्भ 2 सूत्र https://books.google.com/books?id=C8ouDwAAQBAJ&lpg=PP1&dq=9780735211759&pg=PP1#v=onepage&q=9780735211759 Broad Band: The Untold Story of the Women Who Made the Internet Evans Claire L. Portfolio/Penguin 2018 978-0-7352-1175-9 New York harv 17 दिसंबर 2019 https://web.archive.org/web/20190705072613/https://books.google.com/books?id=C8ouDwAAQBAJ&lpg=PP1&dq=9780735211759&pg=PP1#v=onepage&q=9780735211759 5 जुलाई 2019 live