NDLI: Netalyzr: Illuminating Edge Network Neutrality, Security, and Performance

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Netalyzr: Illuminating Edge Network Neutrality, Security, and Performance

Content Provider	Semantic Scholar
Author	Allman, Mark Barford, Paul Bradner, Scott O. Brzozowski, John Jason Bush, Randy Bakker, Niels Clayton, R. Cowart, Chris Dawson, Keith Dimcev, Adrian Dreger, Holger Enright, Brandon Fall, Kevin Gates, Carrie Gurtov, Andrei Handley, Mark Theodore Kane, Kelly Kogan, Matthew Medcalf, Keith Narten, Thomas Ross, Michael Wijngaards, Wooter Woundy, Richard Kreibich, Christian Weaver, Nicholas Nechaev, Boris Paxson, Vern
Abstract	Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors or originators and do not necessarily reflect the views of the National Science Foundation. We are deeply grateful to the Netalyzr users for enabling this study and to our beta testers for the insightful comments and feedback. We would particularly like to thank Abstract In this paper we present Netalyzr, a network measurement and debugging service that evaluates the functionality provided by people's Internet connectivity. The design aims to prove both comprehensive in terms of the properties we measure and easy to employ and understand for users with little technical background. We structure Netalyzr as a signed Java applet (which users access via their Web browser) that communicates with a suite of measurement‐specific servers. Traffic between the two then probes for a diverse set of network properties, including outbound port filtering, hidden in‐network HTTP caches, DNS manipulations, NAT behavior, path MTU issues, IPv6 support, and access‐modem buffer capacity. In addition to reporting results to the user, Netalyzr also forms the foundation for an extensive measurement of edge‐network properties. To this end, along with describing Netalyzr's architecture and system implementation, we present a detailed study of 112,000 measurement sessions that the service has recorded since we made it publicly available in June 2009.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.icsi.berkeley.edu/pubs/techreports/TR-10-006.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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