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Considering Multi-Contact Encounters in Opportunistic Networks

Published: 11 September 2015 Publication History

Abstract

Opportunistic networks, often characterized by their intermittent connectivity and sparsity of nodes, has sparked routing in these networks to focus on isolated contact opportunities. Routing has predominantly been viewed as an exchange of messages between a pair of nodes. In this paper, we take a new look at contact opportunities, specifically focusing on the occurrence of having multiple simultaneous node contacts. Multi-contact encounters warrants a more holistic view of routing decisions, where more factors than just the features of a message-node tuple can be considered. We discuss these aspects and propose a protocol addition to leverage multi-contact opportunities with the notion of heterogeneous link quality, in order to limit energy consumption. The approach, implemented for the Epidemic, Spray-and-Wait and PRoPHETv2 protocols, re-evaluates routing decisions, weighting the routing metrics value against the estimated cost of the relay. Results indicate a two to three fold decrease in the number of messages lost, as well as a reduction in message relays, while maintaining a high delivery ratio for all three protocols.

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Cited By

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  • (2019)Energy aware routing for efficient green communication in opportunistic networksIET Networks10.1049/iet-net.2018.51068:4(272-279)Online publication date: Jul-2019
  • (2019)Pareto set based optimized routing in opportunistic networkJournal of Ambient Intelligence and Humanized Computing10.1007/s12652-019-01337-8Online publication date: 6-Jun-2019
  • (2018)DEEPJournal of High Speed Networks10.3233/JHS-18058524:2(119-131)Online publication date: 1-Jan-2018
  • Show More Cited By

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    cover image ACM Conferences
    CHANTS '15: Proceedings of the 10th ACM MobiCom Workshop on Challenged Networks
    September 2015
    74 pages
    ISBN:9781450335430
    DOI:10.1145/2799371
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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    Publication History

    Published: 11 September 2015

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    Author Tags

    1. contact encounters
    2. opportunistic communication

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    CHANTS '15 Paper Acceptance Rate 7 of 27 submissions, 26%;
    Overall Acceptance Rate 61 of 159 submissions, 38%

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    Cited By

    View all
    • (2019)Energy aware routing for efficient green communication in opportunistic networksIET Networks10.1049/iet-net.2018.51068:4(272-279)Online publication date: Jul-2019
    • (2019)Pareto set based optimized routing in opportunistic networkJournal of Ambient Intelligence and Humanized Computing10.1007/s12652-019-01337-8Online publication date: 6-Jun-2019
    • (2018)DEEPJournal of High Speed Networks10.3233/JHS-18058524:2(119-131)Online publication date: 1-Jan-2018
    • (2018)Hybrid scheme to enable DTN routing protocols to efficiently exploit stable MANET contactsEURASIP Journal on Wireless Communications and Networking10.1186/s13638-018-1248-52018:1Online publication date: 10-Oct-2018
    • (2018)An Energy-Efficient Location Prediction-Based Forwarding Scheme for Opportunistic Networks2018 IEEE International Conference on Communications (ICC)10.1109/ICC.2018.8422305(1-6)Online publication date: May-2018
    • (2017)Fair airtime allocation for content dissemination in WiFi-direct-based mobile social networks2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)10.1109/PIMRC.2017.8292611(1-7)Online publication date: Oct-2017
    • (2017)Energy-Efficient Prophet-PRoWait-EDR Protocols for Opportunistic NetworksGLOBECOM 2017 - 2017 IEEE Global Communications Conference10.1109/GLOCOM.2017.8254434(1-6)Online publication date: Dec-2017

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