A Day at the Root of the Internet Sebastian Castro secastro@caida.org CAIDA and NIC Chile Duane Wessels CAIDA and The Measurement Factory, Inc. Marina Fomenkov, Kimberly Claffy CAIDA, University of California San Diego wessels@measurementfactory.com marina@caida.org, kc@caida.org ABSTRACT We analyzed the largest simultaneous collection of full-payload packet traces from a core component of the global Internet infrastructure ever made available to academic researchers. Our dataset consists of three large samples of global DNS traf c collected during three annual Day in the Life of the Internet (DITL) experiments in January 2006, January 2007, and March 2008. Building on our previous comparison of DITL 2006 and DITL 2007 DNS datasets [28], we venture to extract historical trends, comparisons with other data sources, and interpretations, including traf c growth, usage patterns, impact of anycast distribution, and persistent problems in the root nameserver system that re ect ominously on the global Internet. Most notably, the data consistently reveals an extraordinary amount of DNS pollution an estimated 98% of the traf c at the root servers should not be there at all. Unfortunately, there is no clear path to reducing the pollution, so root server operators, and those who nance them,
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A day at the root of the internet
Castro, Sebastian; Wessels, Duane; Fomenkov, Marina; Claffy, Kimberly
Follow ACM SIGCOMM Computer Communication Review
, Volume 38 (5)
Association for Computing Machinery – Sep 30, 2008
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