Evaluating and Calculating "Five-Nines"
Over the past few years, "five-nines" reliability/availability has become a major issue in evaluating whether to move to new technologies. In particular, this is a point that is often raised concerning the readiness of VoIP for immediate deployment.
This tutorial is designed to explain what "five-nines" really means and to provide the viewer with an understanding of how to evaluate and calculate whether a given network actually provides an appropriate level of reliability.
(Approx. 14 minutes)
Handout (Approx. 152 kB)
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He has served as a Contributing Editor for Data Communications magazine, publishes articles in both Business Communications Review and Network World, and is co-author of two twice-weekly newsletters - wide area networking and convergence - distributed by Network World Fusion. Augmenting his skill as a teacher and consultant, Mr. Taylor's background in actually planning, implementing, and running an extensive network for the University of North Carolina brings a unique, real-world perspective to his work.
He holds a B.S. degree in Physics from Guilford College (Greensboro, NC) and a Master's degree in Physics from Dartmouth College (Hanover, NH).
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