IST 195 Lecture Notes - Lecture 14: Telnet, Https, Arpanet
17 Jan 2018
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Document Summary
Created by the u. s. military in 1969 to communicate easily in times of war. Uc santa barbara, ucla, university of utah, sri. Started with four nodes and has now grown into over one billion. Protocols can relate to other protocols through layers. Four-step process between client and web server. Important because servers can"t handle everyone"s traffic at once. To use the internet, you need to have an ip address. Every node on the internet has one. Each one shows exactly where you are. Set of four bytes - 8 bit number. When these ran out two years ago, ipv6 was created to create even more ip addresses. Every domain name is just an alias for an ip address. Icann - internet corporation for assigned names and numbers. Worldwide nonprofit that manages and coordinates the domain name system (dns) Anyone can buy a domain name if it isn"t taken.
