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...T c p s and i what is tcp ip a networking protocol for transmitting data between computers family of protocols the internet default unix provides uniform programming interface to different types network hardware that guarantees interoperability we are which transports raw from one machine another icmp control message low level support such as error messages routing assistance pings arp address resolution translates logical mac all in transmission uses maintain connection oriented sessions machines delivery udp user datagram connectionless without guarantee so you want date model osi by iso seven layers layer application presentation session transport link physical government thought was good idea us decided should use had implementation problems relied on concepts made no sense modern networks some specifications were incomplete functionally inferior existing too many it slow...