ITM 100 Lecture Notes - Lecture 7: Hypertext Transfer Protocol, Social Search, Distributed Computing

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ITM 100 Full Course Notes
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ITM 100 Full Course Notes
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Itm 100 - telecommunications, the internet, and. What is a computer network: two or more connected computers, major components in simple network. Hubs, switches, routers: software-defined networking (sdn): functions of switches and routers managed by central program. Corporate network infrastructure: hundreds of local area networks (lans) linked to firmwide corporate network, various powerful servers. Backend systems: mobile wireless lans (wi-fi networks, videoconferencing system, telephone network, wireless cell phones. Key digital network technologies: client/server computing. Clients linked through network controlled by server computer. Server sets rules of communication for network and provides every client with an address so others can find it on the network. The internet: largest implementation of client/server computing: packet switching. Method of slicing digital messages into parcels (packets), sending packets along different communication paths as they become available, and then reassembling packets at destination. Previous circuit-switched networks required assembly of complete point- to-point circuit. Packet switching more efficient use of network"s communications capacity: tcp/ip and connectivity.

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