Computer Networks and Internets is appropriate for all
introductory-to-intermediate courses in computer networking, the
Internet, or Internet applications; readers need no background
in networking, operating systems, or advanced mathematics.
Leading networking authority Douglas Comer presents a wide-
ranging, self-contained tour of the concepts, principles, and
technologies that enable today’s Internet to support
applications ranging from web browsing to telephony and
multimedia. This Fifth Edition has been thoroughly reorganized,
revised, and updated: it includes extensive new coverage of
topics ranging from wireless protocols to network performance,
while reducing or eliminating coverage of older protocols and
technologies. Comer begins by illuminating the applications and
facilities offered by today’s Internet. Next, he systematically
introduces the underlying network technologies and protocols
that make them possible: low-level data communications; packet
switching, LAN, and WAN technologies; and Internet