Download or read book Virtual Networks written by Daniel D. Briere and published by . This book was released on 1990 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides telecommunication managers of large, especially multisite, companies, a basis of information and comparisons helpful in negotiating with the long-distance carriers (Sprint, MCI, AT&T) for private network service that can be customized to fit particular needs. Explains how each of the three