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Here's a broad, integrated view of existing communications
technologies available world-wide -- including the Internet and
Web, digital mobile telephony, ISDN, SMDS, frame relay, and ATM --
from a practical business perspective. Covering both private and
public networks, the book offers a basic explanation of a wide
range of technologies and describes their underlying principles and
features, as well as the factors that differentiate them. The guide
also showcases typical applications, exposes inherent limitations,
explains pricing and methods of comparison, and discusses security
pitfalls and protection systems.
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