Detecting triangle inequality violations for internet coordinate systems

Mohamed Ali Kaafar, François Cantin, Bamba Gueye, Guy Leduc

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

9 Citations (Scopus)

Abstract

Internet Coordinate Systems (ICS) have been proposed as a method for estimating delays between hosts without direct measurement. However, they can only be accurate when the triangle inequality holds for Internet delays. Actually Triangle Inequality Violations (TIVs) are frequent and are likely to remain a property of the Internet due to routing policies or path inflation. In this paper we propose methods to detect TIVs with high confidence by observing various metrics such as the relative estimation error on the coordinates. Indeed, the detection of TIVs can be used for mitigating their impact on the ICS itself, by excluding some disturbing nodes from clusters running heir own ICS, or more generally by improving their neighbor selection mechanism.

Original languageEnglish
Title of host publicationInternational Conference on Communications Workshops, ICC 2009
Subtitle of host publicationproceedings
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages6
ISBN (Print)9781424434374
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event2009 IEEE International Conference on Communications Workshops, ICC 2009 - Dresden, Germany
Duration: 14 Jun 200918 Jun 2009

Conference

Conference2009 IEEE International Conference on Communications Workshops, ICC 2009
CountryGermany
CityDresden
Period14/06/0918/06/09

Keywords

  • Internet Coordinate Systems
  • internet delay measurements
  • performance
  • triangle inequality violations

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