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Multihoming Performance Benefits: An Experimental Evaluation of Practical Enterprise Strategies
Multihoming is increasingly being employed by large enterprises and data centers as a mechanism to extract good performance from their provider connections. Today, multihomed end-networks can employ a variety of commercial route control products to optimize performance over multiple ISP links. However, little is known about the mechanisms employed by such products and their relative trade-offs.
In this paper, we propose and evaluate a wide range practical schemes that could go into the design of a route control device and analyze their trade-offs. We implement the proposed schemes on a Linux-based Web proxy and perform a trace-based emulation of their relative performance benefits. We show that both passive and active monitoring based techniques are equally effective and could improve Web performance by about 25% when compared to using a single provider. Another key observation is that the conventional practice of employing historical measurement samples to monitor and predict ISP performance could, in fact, result in sub-optimal performance.
author = {Aditya Akella and Srinivasan Seshan and Anees Shaikh},
title = {Multihoming Performance Benefits: An Experimental Evaluation of Practical Enterprise Strategies},
booktitle = {2004 USENIX Annual Technical Conference (USENIX ATC 04)},
year = {2004},
address = {Boston, MA},
url = {https://www.usenix.org/conference/2004-usenix-annual-technical-conference/multihoming-performance-benefits-experimental},
publisher = {USENIX Association},
month = jun
}
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