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Max-contribution: on optimal resource allocation in delay tolerant networks

Published: 14 March 2010 Publication History

Abstract

This is by far the first paper considering joint optimization of link scheduling, routing and replication for disruption-tolerant networks (DTNs). The optimization problems for resource allocation in DTNs are typically solved using dynamic programming which requires knowledge of future events such as meeting schedules and durations. This paper defines a new notion of optimality for DTNs, called snapshot optimality where nodes are not clairvoyant, i.e., cannot look ahead into future events, and thus decisions are made using only contemporarily available knowledge. Unfortunately, the optimal solution for snapshot optimality still requires solving an NPhard problem of maximum weight independent set and a global knowledge of who currently owns a copy and what their delivery probabilities are. This paper presents a new efficient approximation algorithm, called Distributed Max-Contribution (DMC) that performs greedy scheduling, routing and replication based only on locally and contemporarily available information. Through a simulation study based on real GPS traces tracking over 4000 taxies for about 30 days in a large city, DMC outperforms existing heuristically engineered resource allocation algorithms for DTNs.

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  • (2011)A survey of routing protocols and simulations in delay-tolerant networksProceedings of the 6th international conference on Wireless algorithms, systems, and applications10.5555/2033150.2033172(243-253)Online publication date: 11-Aug-2011
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  1. Max-contribution: on optimal resource allocation in delay tolerant networks

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    cover image Guide Proceedings
    INFOCOM'10: Proceedings of the 29th conference on Information communications
    March 2010
    2990 pages
    ISBN:9781424458363

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    IEEE Press

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    Published: 14 March 2010

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    • (2019)Economics of Age of Information Management under Network ExternalitiesProceedings of the Twentieth ACM International Symposium on Mobile Ad Hoc Networking and Computing10.1145/3323679.3326511(131-140)Online publication date: 2-Jul-2019
    • (2015)Energy constraint beaconing control in delay tolerant networks with multiple destinationsWireless Communications & Mobile Computing10.1002/wcm.248715:18(2167-2178)Online publication date: 25-Dec-2015
    • (2011)A survey of routing protocols and simulations in delay-tolerant networksProceedings of the 6th international conference on Wireless algorithms, systems, and applications10.5555/2033150.2033172(243-253)Online publication date: 11-Aug-2011
    • (2011)Multiple mobile data offloading through delay tolerant networksProceedings of the 6th ACM workshop on Challenged networks10.1145/2030652.2030665(43-48)Online publication date: 23-Sep-2011
    • (2010)Back-pressure routing and rate control for ICNsProceedings of the sixteenth annual international conference on Mobile computing and networking10.1145/1859995.1860037(365-376)Online publication date: 20-Sep-2010
    • (2010)Opportunistic shortest path forwarding in delay tolerant networksProceedings of the 5th International Conference on Future Internet Technologies10.1145/1853079.1853085(14-17)Online publication date: 16-Jun-2010

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