An internationally best selling conceptual introduction to the TCP IP protocols and Internetworking this book interweaves a clear discussion of fundamentals and scientific principles with details and examples drawn from the latest technologies Leading author Douglas Comer covers layering and packet formats for all the Internet protocols includingTCP IPv4 IPv6 DHCP and DNS In addition the text explains new trends in Internet systems including packet classification Software Defined Networking SDN and mesh protocols used in The Internet of Things The text is appropriate for individuals interested in learning more about TCP IP protocols Internet architecture and current networking technologies as well as engineers who build network systems It is suitable for junior to graduate level courses in Computer Networks Data Networks Network Protocols and Internetworking