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1995-01-01
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Date: Mon, 29 Aug 1994 19:37:17 MDT
From: Rob Slade <roberts@decus.ca>
Subject: Book Review: "Data Communications, Networks and Systems" by Bartee
BKDCMN&S.RVW 940706
SAMS
11711 N. College Ave., Suite 140
Carmel, IN 46032-5634
317-573-2500 317-581-3535
800-428-5331 800-428-3804
hayden@hayden.com haydenbks@aol.com
76350.3014@compuserve.com
"Data Communications , Networks, and Systems", Bartee, 1991, 0-672-22790-8,
U$49.95/C$64.95
It is very difficult to determine the purpose, objective, or audience
for this book. There is not much specifically wrong with the
information, but it is hard to tell who might need this particular
presentation.
The back cover blurb speaks of the growth in personal computers, and
talks of "suggestions for high profile results". This could be
seriously misleading, as little of the material is of direct use to
those working with personal computers, and the papers tend towards a
generic background overview, rather than specific practicalities.
The preface opens by stating that the book contains the latest
information in the important areas of digital communications, networks
and systems. In fact, the book contains ten essays by different
authors, generally addressing topics basic to data communications.
The papers vary in audience and technical level. Most are relatively
non-technical (and non-specific) but some assume a fairly solid grasp
of higher mathematical concepts. Because of the differing authorship,
little information can be developed from chapter to chapter, and some
topics are repeated, while others are missed.
Transmission media, in chapter one, is given a thorough but basic
background. Chapter two, on carriers and regulations, is solely
concerned with the US, an attitude which carries over into modems
(chapter three), which lists modems only by the Bell standards. This
is a rather dated reference, as is the continual discussion of RS-232C
which, as the book notes once, was superseded by RS-232D in 1987, four
years before the *first* publication of the book. Chapters four and
five discuss basic ideas in protocols, and integrated voice and data
networks. Chapters six, seven and nine talk about baseband, broadband
and standards in local area networks, oddly separated by security in
chapter eight. The book closes with a very mathematical discussion of
error control.
While sections are good (chapter six, on LANs, is excellent), overall
the book lacks focus. Trying to give the "latest" information in a
book tends to date it quickly. In this case, even in 1991 the
material would have been quite pedestrian. None of the material looks
at technologies that would have been "new advances" in the fields.
McNamara's "Introduction to Data Communications," whose most recent
version was three years earlier, outdoes this work in many areas.
copyright Robert M. Slade, 1994 BKDCMN&S.RVW 940706. Distribution
permitted in TELECOM Digest and associated newsgroups/mailing lists.
DECUS Canada Communications, Desktop, Education and Security group newsletters
Editor and/or reviewer ROBERTS@decus.ca, RSlade@sfu.ca, Rob Slade at 1:153/733
DECUS Symposium '95, Toronto, ON, February 13-17, 1995, contact: rulag@decus.ca