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Evaluation of Content Dissemination Strategies in Urban Vehicular Networks

1
Instituto de Telecomunicações, 3810-193 Aveiro, Portugal
2
Departamento de Eletrónica, Telecomunicações e Informática, University of Aveiro, 3810-193 Aveiro, Portugal
3
ISEL-Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, 1959-007 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
Information 2020, 11(3), 163; https://doi.org/10.3390/info11030163
Received: 14 February 2020 / Revised: 6 March 2020 / Accepted: 16 March 2020 / Published: 19 March 2020
(This article belongs to the Special Issue Vehicle-To-Everything (V2X) Communication)
The main drivers for the continuous development of Vehicular ad-hoc Networks (VANETs) are safety applications and services. However, in recent years, new interests have emerged regarding the introduction of new applications and services for non-urgent content (e.g., videos, ads, sensing and touristic information) dissemination. However, there is a lack of real studies considering content dissemination strategies to understand when and to whom the content should be disseminated using real vehicular traces gathered from real vehicular networks. This work presents a realistic study of strategies for dissemination of non-urgent content with the main goal of improving content delivery as well as minimizing network congestion and resource usage. First, we perform an exhaustive network characterization. Then, several content strategies are specified and evaluated in different scenarios (city center and parking lot). All the obtained results show that there are two content distribution strategies that clearly set themselves apart due to their superior performance: Local Rarest Bundle First and Local Rarest Generation First. View Full-Text
Keywords: urban vehicular networks; content dissemination; real mobility traces; delay-tolerant networks urban vehicular networks; content dissemination; real mobility traces; delay-tolerant networks
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MDPI and ACS Style

Pessoa, G.; Guardalben, L.; Luís, M.; Senna, C.; Sargento, S. Evaluation of Content Dissemination Strategies in Urban Vehicular Networks. Information 2020, 11, 163.

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