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"Free-riding" traffic problem in routing overlay networks

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4 Author(s)
Go Hasegawa ; Cybermedia Center, Osaka University, 1-32, Machikaneyama-cho, Toyonaka, Osaka 560-0043, JAPAN, Email: hasegawa@cmc.osaka-u.ac.jp ; Masayoshi Kobayashi ; Masayuki Murata ; Tutomu Murase

In this paper, we discuss the "free-riding" traffic problem in routing overlay networks, which is mainly caused by a policy mismatch between the overlay routing and the underlay IP routing. We first define the free-riding problem in a routing overlay network, and construct mathematical models to calculate the amount of the free-riding traffic in routing overlay networks with various path-selection metrics. We also present the numerical examples to estimate the effects of the overlay routing. We conclude that there can be a significant amount of free-riding traffic in an actual Internet environment.

Published in:

2007 15th IEEE International Conference on Networks

Date of Conference:

19-21 Nov. 2007