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On the Potential of Flow-Based Routing in Multihomed Environments
Citation key MWFZSSV-PFRME-09
Author Manilici, Vlad and Wundsam, Andreas and Feldmann, Anja and Zerfos, Petros and Sombrutzki, Robert and Singh, Jatinder P. and Vidales, Pablo
Year 2009
ISSN 1436-9915
Month February
Note No. 2009-02
Institution Technische Universität Berlin, Fakultät Elektrotechnik und Informatik
Abstract The data rates provisioned by broadband Internet access connections continue to fall short of the requirements posed by emerging applications. Yet the potential of statistical multiplexing of the last mile broadband connections remains unexploited even as the average utilization of these connections remains low. Despite recent work in this area [15, 20], two key questions remain unanswered: a) What is the attainable benefit of broadband access sharing? and b) How much of this benefit is realizable given real-world constraints? In this work we quantify the attainable benefit of a multihomed broadband access environment by proposing and evaluating several flow-based access sharing policies using a custom flow-based simulator. We then analyze how much of the performance benefit is lost due to real-world constraints by migrating from simulations to a test-lab environment employing a wireless network. Our results show that in today's broadband Internet access scenarios, a significant reduction in download times by up to a factor of 3 is achievable.
Bibtex Type of Publication Technical Report
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