Poster (Scientific congresses and symposiums)
Inferring Groups of Correlated Failures
Lepropre, Jean; Leduc, Guy
2006CoNext 2006 - Student Workshop
 

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Keywords :
Network failure; Clustering; SRLG
Abstract :
[en] We compare and evaluate different methods to infer groups of correlated failures. These methods try to group failure events occurring nearly simultaneously in clusters. Indeed if several failures occur nearly at the same moment in a network, it is possible that these failures have the same root cause. The input data of our algorithms are IP failure notifications that can be provided by several sources. We consider two sources: IS-IS Link State Packets (LSPs) and Syslog messages. Our first results on the Abilene and GÉANT networks show that the inference methods behave differently and that using IS-IS LSPs provides more accurate results than using Syslog messages.
Disciplines :
Computer science
Author, co-author :
Lepropre, Jean;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Réseaux informatiques
Leduc, Guy ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Réseaux informatiques
Language :
English
Title :
Inferring Groups of Correlated Failures
Publication date :
December 2006
Event name :
CoNext 2006 - Student Workshop
Event place :
Lisbon, Portugal
Event date :
4 Dec. 2006
Audience :
International
Name of the research project :
DGTRE TOTEM
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique
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since 03 January 2009

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