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Node inquiry function for strategic front-end placement

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3 Author(s)
Egashira, T. ; Networking Res. Labs., NEC Corp., Kawasaki, Japan ; Nogami, K. ; Kiriha, Y.

In a front-end system, mirror servers called front-ends are deployed on nodes within the Internet to enhance the quality of on-line services. An on-line service provider can control its service quality by changing the number of front-ends. In addition to the number, the placement of front-ends is also important for the provider to maximize the profitability. This paper proposes a node inquiry function (NIF) that provides on-line service providers with strategic front-end placement plans. The NIF-tailored placement plan enables a service provider to obtain the best possible front-end distribution that maximizes investment efficiency. The NIF also helps them to find those heterogeneous nodes that can run their front-ends. The placement algorithm calculates in polynomial time and an experiment shows better approximation than a greedy approach.

Published in:

Network Operations and Management Symposium, 2002. NOMS 2002. 2002 IEEE/IFIP

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