This book is a complete guide to X.25: what it is, how it works, what products are available, and how they function. X.25 is the Open Systems Interface (OSI) standard that allows data communications hardware from different manufacturers -- AT&T, IBM, DEC, etc. -- to interface together. In 1987, $1 billion was spent in the U.S. on packet switching equipment. In-depth case studies are given as well as chapters on integrating IBM and Apple PCs and ISDN. A volume in the McGraw-Hill Communications Series.
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