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Resilient Overlay Networks David Andersen, Hari Balakrishnan, Frans Kaashoek, and Robert Morris

Summary: Resilient Overlay Networks
David Andersen, Hari Balakrishnan, Frans Kaashoek, and Robert Morris
MIT Laboratory for Computer Science
A Resilient Overlay Network (RON) is an architecture that allows
distributed Internet applications to detect and recover from path
outages and periods of degraded performance within several sec-
onds, improving over today's wide-area routing protocols that take
at least several minutes to recover. A RON is an application-layer
overlay on top of the existing Internet routing substrate. The RON
nodes monitor the functioning and quality of the Internet paths
among themselves, and use this information to decide whether to
route packets directly over the Internet or by way of other RON
nodes, optimizing application-specific routing metrics.
Results from two sets of measurements of a working RON de-
ployed at sites scattered across the Internet demonstrate the benefits
of our architecture. For instance, over a 64-hour sampling period in
March 2001 across a twelve-node RON, there were 32 significant


Source: Akella, Aditya - Department of Computer Sciences, University of Wisconsin at Madison
Krishnamurthy, Arvind - Department of Computer Science and Engineering, University of Washington at Seattle
Kwon, Minseok "James" - Department of Computer Science, Rochester Institute of Technology
Massachusetts Institute of Technology (MIT), Department of Electrical Engineering and Computer Science, Database Group
Sirer, Emin Gun - Department of Computer Science, Cornell University


Collections: Computer Technologies and Information Sciences