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Created with Fabric.js 1.4.5 History of Internet NPL RAND ARPANET DARPA CYCLADES Large scale computer network that accelerated knowledge transfer avoiding the doubling up of already existing research. Fundamental network concepts To secure USA lead in technology, theUS founded the “Defense advanced research Project agency” in February 1958. Remote Connection and Time Sharing It was intalled so the developers could work directly on the computers. To share the processing power of one computer with multiple users. Cold War The first unmanned satélite,Sputnik 1, was sent into orbit by the Soviet Union. IP protocol and TCP TCP was made to connect the computers through gateways and the International Organization for Standardization designed the OSI Reference model. Finally, the TCP assimilated the preferences of the OSI Reference Model and gave way to TCP/IP protocol – a standard which guaranteed compatibility between networks and finally merged them, creating the internet. double click to change this title text! Packet Switching In order to avoid congestion of the lines, the sent files were divided into smaller packets which were put together again at the receiver. Distributed and Decentralized Network Architecture At that time information systems had a centralized network architecture. To avoid the breakdown during an attack, a decentralized network architecture hadto be developed, which in case of a loss of a node would still be operative. to scale proportionally. Thus long distances could be covered with a minimum of interference. The specific Feature of the TCP is the verification of the file transfer. Bibliography: -video-03-_History_of_the_Internet Image: Computer Notes Image: Networking: Vision and Packet Switching 1959 - 1968 - Intergalactic Vision to Arpanet Angelica María Castro HoyosIsabella Díaz Rendón 9AJuan Guillermo Marinez
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