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An Empirical Evaluation of WideArea Internet Bottlenecks Aditya Akella, Srinivasan Seshan

Summary: An Empirical Evaluation of Wide­Area Internet Bottlenecks
Aditya Akella, Srinivasan Seshan
Carnegie Mellon University
Pittsburgh, PA 15213
Anees Shaikh
IBM T.J. Watson Research Center
Hawthorne, NY 15213
Conventional wisdom has been that the performance limitations in
the current Internet lie at the edges of the network -- i.e last mile
connectivity to users, or access links of stub ASes. As these links
are upgraded, however, it is important to consider where new bot­
tlenecks and hot­spots are likely to arise. In this paper, we address
this question through an investigation of non­access bottlenecks.
These are links within carrier ISPs or between neighboring carriers
that could potentially constrain the bandwidth available to long­
lived TCP flows. Through an extensive measurement study, we
discover, classify, and characterize bottleneck links (primarily in


Source: Akella, Aditya - Department of Computer Sciences, University of Wisconsin at Madison


Collections: Computer Technologies and Information Sciences