PETERSON-AND-DAVIE 01-pra-i-ii-9780123850591 2011/3/5 0:50 Page i #1
In Praise of Computer Networks: A Systems
Approach
Fifth Edition
I have known and used this book for years and I always found it very valu-
able as a textbook for teaching computer networks as well as a reference
book for networking professionals. This Fifth Edition maintains the core
value of former editions and brings the clarity of explanation of network
protocols in the introduction of the most up-to-date techniques, technolo-
gies and requirements of networking. Beyond describing the details of past
and current networks, this book successfully motivates the curiosity, and
hopefully new research, for the networks of the future.
Stefano Basagni
Northeastern University
Peterson and Davie have written an outstanding book for the computer
networking world. It is a well-organized book that features a very helpful
“big picture” systems approach. This book is a must have!
Yonshik Choi
Illinois Institute of Technology
The Fifth Edition of Computer Networks: A Systems Approach is well-
suited for the serious student of computer networks, though it remains
accessible to the more casual reader as well. The authors’ enthusiasm for
their subject is evident throughout; they have a thorough and current grasp
of the interesting problems of the field. They explain not only how vari-
ous protocols work, but also why they work the way they do, and even why
certain protocols are the important and interesting ones. The book is also
filled with little touches of historical background, from the main text to
the “Where Are They Now” sidebars to the papers described in each chap-
ter’s “Further Reading” section—these give the reader a perspective on how
things came to be the way they are. All in all, this book provides a lucid and
literate introduction to networking.
Peter Dordal
Loyola University Chicago
I have used Computer Networks: A Systems Approach for over five years in
an introductory course on communications networks aimed at upper-level
undergraduates and first-year Masters students. I have gone through sev-
eral editions and over the years the book has kept what from the beginning
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