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Publisher DOI: 10.3390/fi11020029
Title: My smartphone tattles: considering popularity of messages in opportunistic data dissemination
Language: English
Authors: Udugama, Asanga 
Dede, Jens 
Förster, Anna 
Kuppusamy, Vishnupriya 
Kuladinithi, Koojana  
Timm-Giel, Andreas  
Vatandas, Zeynep  
Keywords: opportunistic networking;popularity;OMNeT++;OPS;organic data dissemination;Keetchi;Epidemic
Issue Date: 29-Jan-2019
Publisher: MDPI
Source: Future Internet 2 (11): 29 (2019-01-29)
Journal or Series Name: Future Internet 
Abstract (english): Opportunistic networks have recently seen increasing interest in the networking community. They can serve a range of application scenarios, most of them being destination-less, i.e., without a-priori knowledge of who is the final destination of a message. In this paper, we explore the usage of data popularity for improving the efficiency of data forwarding in opportunistic networks. Whether a message will become popular or not is not known before disseminating it to users. Thus, popularity needs to be estimated in a distributed manner considering a local context. We propose KEETCHI, a data forwarding protocol based on Q-Learning to give more preference to popular data rather than less popular data. Our extensive simulation comparison between KEETCHI and the well known EPIDEMIC protocol shows that the network overhead of data forwarding can be significantly reduced while keeping the delivery rate the same.
DOI: 10.15480/882.2052
ISSN: 1999-5903
Institute: Kommunikationsnetze E-4 
Type: (wissenschaftlicher) Artikel
Project: Opportunistic Networks 
License: CC BY 4.0 (Attribution) CC BY 4.0 (Attribution)
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