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Vicinity Resource Cartography for Delay-Tolerant Networks: a Holistic Perspective
University of Luxembourg . (Real-time Systems Laboratory)
University of Luxembourg .
Linköping University, Department of Computer and Information Science. Linköping University, The Institute of Technology. (Real-time Systems Laboratory)
2010 (English)Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we propose a distributed approachto construct vicinity resource maps at each node in a delay-tolerant network. The scheme uses recent encounters to estimatethe availability of the following resources: energy, buffer space,and bandwidth, in the vicinity of a given node. We then show howa store-carry-forward scheme may benefit from having accessto these resource estimates. While knowledge about resourcesavailable in the vicinity allows nodes to implement meaningfulcustodian election strategies, an evaluation of available band-width and contact time allows them to carry out adaptivequeue management strategies. Thus, such strategies can beapproached from a holistic perspective based on the availabilityof the three resources under consideration in node proximity. Wevalidate our model separately in time-varying and space-varyingenvironments. In addition to synthetic mobility models (randomwaypoint) we validate our resource estimation in a disasterarea mobility model (using Bonn motion traces). We show thatby using this information a routing protocol may dramaticallyimprove its delivery rate and reduce energy overhead whilekeeping delivery latency almost constant.

Place, publisher, year, edition, pages
IEEE , 2010.
Series
IFIP Wireless Days, ISSN 2156-9711
Keyword [en]
routing, resource management, delay-tolerant networks
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-72597DOI: 10.1109/WD.2010.5657725ISBN: 978-1-4244-9228-2 (print)OAI: oai:DiVA.org:liu-72597DiVA: diva2:460324
Conference
The 3rd IFIP Wireless Days, WD'10
Available from: 2011-12-16 Created: 2011-11-29 Last updated: 2013-08-27Bibliographically approved

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Nadjm-Tehrani, Simin

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf