An introductory text for college or graduate course in computer networks, with a balance between practical matters and underlying principles. It covers the LAN, internetworking and transport layers, focusing primarily on TCP/IP.
The beginning of the 21st century has seen a rapid change from the industrial economy to a networked economy built on computers, connectivity, and human knowledge. The networked economy is characterized by rapidly changing market conditions and methods of commerce. Instead of leveraging human strength with machines as was done in the industr ial economy, the networked economy leverages human…
Nowadays, everyone is using the Internet. We have hooked our computers to the Internet, where we can access information and transmit messages. The Internet is a very large computer network. Computer networks are so important in our daily life that they have become indispensable to us. The closest cousin of a computer network is a transportation network, but computer networks are now taking…