Abstract

Sharing information or simply keeping in touch has become necessary, usually through smartphone messaging applications. However, using these applications is difficult in places where there is no telecommunications infrastructure or transmission channels are saturated. In this context, the use of opportunistic networks is a feasible alternative to provide communication. This type of network takes advantage of the opportunity for contact between mobile devices, as long as users are willing to collaborate. In this article we present a disconnection tolerant messaging application, based on opportunistic networks, using WiFi-Direct, that send/receive text and multimedia messages, allowing the track of messages. The evaluation was carried out considering the transmission time for each type of message in line-of-sight (LOS) and non-LOS (NLOS) scenarios between the devices. The results show the feasibility of using opportunistic networks in smart devices.KeywordsOpportunistic networksVehicular networksVanetsEpidemic protocolDelay tolerant networkingWireless ad hoc networks

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