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UID:36@lincs.fr
DTSTART;TZID=Europe/Paris:20161123T140000
DTEND;TZID=Europe/Paris:20161123T150000
DTSTAMP:20170313T170810Z
URL:https://www.lincs.fr/events/pinpointing-delay-and-forwarding-anomalies
 -using-large-scale-traceroute-measurements/
SUMMARY:Pinpointing Delay and Forwarding Anomalies Using Large-Scale
 Traceroute Measurements
DESCRIPTION:\n\n\nUnderstanding network health is essential to improving
 Internet reliability. For instance\, detecting disruptions in peer and
 provider networks identifies fixable connectivity problems. Currently this
 task is time consuming as it involves a fair amount of manual observation
 because operators have little visibility into other networks.Here we
 leverage existing public RIPE Atlas measurement data to monitor and analyze
 network conditions\; creating no new measurements. We demonstrate a set of
 complementary methods to detect network disruptions using traceroute
 measurements. A novel method of detecting changes in delay is used to
 identify congested links\, and a packet forwarding model is employed to
 predict traffic paths and to identify faulty routers and links in cases of
 packet loss. In addition\, aggregating results from each method allows us
 to easily monitor a network and identify coordinated reports manifesting
 significant network disruptions\, reducing uninteresting alarms.Our
 contributions consist of a statistical approach to providing robust
 estimation or Internet delays and the study of hundreds of thousands link
 delays. We present three cases demonstrating that the proposed methods
 detect real disruptions and provide valuable insights\, as well as
 surprising findings\, on the location and impact of identified
 events.\n\n\n
CATEGORIES:Seminars,Youtube
LOCATION:LINCS Meeting Room 40\, 23\, avenue d'Italie\, Paris\, 75013\,
 France
GEO:48.8283983;2.3568972000000485
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TZID:Europe/Paris
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DTSTART:20161030T020000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
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