TCP/IP network

Internet two main protocols are TCP and IP.

DéfinitionIP

  • Addresses : each machine is identified by an IP adress

  • Routing : to find a machine you must find a route

  • Packet fragmentation : messages are cut in small packets

Exemple

Codage d'un paquet IPInformations[1]

DéfinitionTCP

TCP is in charge of reordering packets and solving transmission errors in order to allow correct message transmission.