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QoS: Myths and Hype
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The eminent author, who is a Ph.D. in computer science and joint holder of over 50 patents, questions Quality of Service (QoS) in computer networking. Waclawsky calls QoS the Bigfoot of networking, a enduring part of technological folklore. People talk about QoS, but because it rarely succeeds, it has no practical use outside of experimental testbeds and incomplete applications. Today, the main purpose of QoS is to foster discrimination in services and unnecessary billing. QoS is not an adequate substitute for capacity planning; it can add overhead and enormous complexity, infringe privacy, and have unintended impacts on security and, in fact, network reliability itself. The goals of QoS are noble, but prone to end in failure.
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Book preview
QoS - John G. Waclawsky
QoS Myths and Hype
By
John G. Waclawsky, Ph.D.
Smashwords Edition
Copyright 2010 John G. Waclawsky, Ph.D.
Smashwords License
This publication is licensed for your exclusive use and may not be resold or loaned to anyone else. If you would like to share this publication, please purchase an additional copy for each recipient. If you are reading this publication and did not purchase it, or if the publisher did not arrange for you to receive a copy, you are jeopardizing your career and reputation: please destroy this copy and purchase your own. Thank you for respecting the hard work of this author.
Ebook from Telepublishing Report
Cambridge, MA
General Editor, Lawrence Kingsley
Table of Contents
Author’s Introduction
The Problem of QoS
Why QoS Cannot Be Guaranteed:
1. Administration and management
2. Analysis issues
3. Network delay
4. Capacity considerations:
Redundancy
Utilization
Evolving technology
Conclusion
Endnotes
Editorial Note
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