• A packet is the basic unit of information in network transmission in its most basic form. TCP/IP is the network protocol, or set of rules, that most networks use to communicate between devices. TCP/IP requires that data be separated into packets that contain both a segment of data to be conveyed and the address to which the data is to be sent.
• TCP/IP is a packet-switching system since it was designed to use packets. The main benefit is that data can be routed to a destination through any number of transmission points, making the network decentralised and less prone to equipment failure.

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