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UID:17@lincs.fr
DTSTART;TZID=Europe/Paris:20111021T103000
DTEND;TZID=Europe/Paris:20111021T113000
DTSTAMP:20190806T134327Z
URL:https://www.lincs.fr/events/resilient-networking-and-resource-manageme
 nt-in-ip-networks-2/
SUMMARY:Resilient networking and resource management in IP networks
DESCRIPTION:Resilience analysis in packet-based communication networks
 quantifies the risk of link overload due to rerouted traffic and the risk
 of disconnectivity. Proactive optimization of routing and rerouting may
 reduce the first risk\, improvement of the network topology the second one.
 Recently\, IP fast reroute mechanisms have been suggested by the IETF.
 Loop-free alternates (LFAs) are simple\, but they may not cover all single
 element failures. The IETF has recently defined Pre-Congestion Notification
 (PCN) for Differentiated Services networks. It uses simple load-dependent
 packet re-marking to communicate load conditions to edge. This information
 is used for admission control and flow termination. The latter is useful to
 remove overload that occurs in spite of admission control due unexpected
 events. However\, termination can be avoided if admissible rate thresholds
 are set low enough\, which is the principle of resilient admission control.
 Today's access networks suffer from a minority of heavy users who are
 responsible for most traffic and compromise the quality of experience for a
 majority of light users. Some ISPs rate-limit the user access\, others use
 deep packet inspection to classify and downgrade some traffic which
 violates network neutrality. To tackle that problem\, the IETF defines
 Congestion Exposure (ConEx). It makes congestion visible to any IP device
 along a flow's path. This information may be used to throttle the user
 access to achieve per-user fairness rather than per-flow fairness\, to
 improve traffic engineering\, and to enhance SLAs.\n\n&nbsp\;\n\nBiography:
 Michael Menth is a full professor at the Department of Computer Science at
 the University of Tuebingen/Germany and head of the Communication Networks
 chair. He received a Diploma and PhD degree in 1998 and 2004 from the
 University of Wuerzburg/Germany. Prior he was studying computer science at
 the University of Texas at Austin and worked at the University of
 Ulm/Germany. His special interests are performance analysis and
 optimization of communication networks\, resource management\, resilience
 issues\, and Future Internet. He holds numerous patents and received
 various scientific awards for innovative work.
CATEGORIES:Seminars
LOCATION:LINCS Meeting Room 40\, 23\, avenue d'Italie\, Paris\, 75013\,
 France
GEO:48.8283983;2.3568972000000485
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=23\, avenue d'Italie\,
 Paris\, 75013\, France;X-APPLE-RADIUS=100;X-TITLE=LINCS Meeting Room
 40:geo:48.8283983,2.3568972000000485
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TZID:Europe/Paris
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DTSTART:20110327T030000
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