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What is Concave Metrics

Chapter 61
Encyclopedia of Internet Technologies and Applications
w is said to be a concave metric if w(P) = min(w(Li)). Example is bandwidth.
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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