This document discusses computer networks and defines them as sets of devices that communicate and exchange data with each other, including CPUs, monitors, peripheral devices, and groups of computers. It notes networks can be used for business applications, home use, by mobile users, and brings social issues. The document also categorizes different types of computer networks like local area networks, metropolitan area networks, and wide area networks. It introduces TCP as a reliable transport protocol that adds connection-oriented and reliable features to IP services.
2. Set of devices communicating with each
other.
• Could be a CPU, monitor and other
peripheral devices connected (and
exchanging data) to each other.
• Could be a group of people …. A network
of friends.
• Or, could be a set of computers
communicating with each other.
6. • Local Area Networks
• Metropolitan Area Networks
• Wide Area Networks
• Internetworks
7.
8.
9.
10. Reliable protocol.
Stream connection-oriented and reliable
transport protocol.
Adds connection-oriented and reliability
features to the services of IP.
