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What is Policy Based Metric

Chapter 61
Encyclopedia of Internet Technologies and Applications
A characteristic of a network link that controls what type of traffic and how that traffic moves across the link. Policy metrics can be used to implement access control and data security of the link.
Published in Chapter:
Quality of Service by Way of Path Selection Policy
Wayne Goodridge (Barbados Community College, Barbados), Hadrian Peter (University of the West Indies, Barbados), and William Robertson (Dalhousie University, Canada)
Copyright: © 2008 |Pages: 9
DOI: 10.4018/978-1-59140-993-9.ch061
Abstract
The pervasive use of the Internet, the world’s most extensive public communication system, for services ranging from academic research and e-mail to electronic commerce, necessitates that a policy should be put in place to ensure that such services are delivered in an efficient manner. Quality of service (QoS) is the capability of a network to provide better service to selected network traffic over various technologies. In this paper we focus on a specific aspect of QoS–namely, the path selection policy.
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