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Evaluating Forwarding Protocols in Opportunistic Networks: Trends, Advances, Challenges and Best Practices

Sustainable Communication Networks, University of Bremen, 28359 Bremen, Germany
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Future Internet 2019, 11(5), 113; https://doi.org/10.3390/fi11050113
Received: 29 March 2019 / Revised: 2 May 2019 / Accepted: 4 May 2019 / Published: 11 May 2019
(This article belongs to the Section Smart System infrastructures and Cybersecurity)
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Abstract

A variety of applications and forwarding protocols have been proposed for opportunistic networks (OppNets) in the literature. However, the methodology of evaluation, testing and comparing these forwarding protocols are not standardized yet, which leads to large levels of ambiguity in performance evaluation studies. Performance results depend largely on the evaluation environment, and on the used parameters and models. More comparability in evaluation scenarios and methodologies would largely improve also the availability of protocols and the repeatability of studies, and thus would accelerate the development of this research topic. In this survey paper, we focus our attention on how various OppNets data forwarding protocols are evaluated rather than what they actually achieve. We explore the models, parameters and the evaluation environments and make observations about their scalability, realism and comparability. Finally, we deduce some best practices on how to achieve the largest impact of future evaluation studies of OppNets data dissemination/forwarding protocols.
Keywords: opportunistic networks; forwarding; data dissemination; evaluation methodology; simulation; OMNeT++; ONE; Adyton opportunistic networks; forwarding; data dissemination; evaluation methodology; simulation; OMNeT++; ONE; Adyton
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kuppusamy, V.; Thanthrige, U.M.; Udugama, A.; Förster, A. Evaluating Forwarding Protocols in Opportunistic Networks: Trends, Advances, Challenges and Best Practices. Future Internet 2019, 11, 113.

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