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Improving MQTT Data Delivery in Mobile Scenarios:Results from a Realistic Testbed
Authors
Pablo Boronat
Juan Carlos Cano Escribá
+4 more
Jorge Eloy Luzuriaga-Quichimbo
Pietro Manzoni
Miguel Perez
Carlos Miguel Tavares de Araujo Cesariny Calafate
Publication date
1 January 2016
Publisher
'Hindawi Limited'
Doi
Cite
Abstract
© 2016 Jorge E. Luzuriaga et al. 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.MQTT is being widely used for data delivery in IoT applications but its architecture does not properly handle mobility when disconnection periods tend to be large. In this paper we describe an experimental evaluation, made in a real environment, of a solution that guarantees that there is no information loss when variable length hand-offs appear due to the movement of a node. Our proposal modifies the classical publish/subscribe scheme by introducing an intermediate buffer that takes care of message transfer. Finally, we study the impact related to the connectivity of mobile devices of the use of the standard Linux Network Manager. We propose a cross-layer solution that improves the device connectivity in conjunction with the data layer management. We show that our solution improves the data delivery guaranteeing that no information is lost.This work was partially supported by Ministerio de Economia y Competitividad, Programa Estatal de Investigacion, Desarrollo e Innovacion Orientada a los Retos de la Sociedad, Proyectos I+D+I 2014, Spain, under Grant TEC2014-52690-R.Luzuriaga-Quichimbo, JE.; Perez, M.; Boronat, P.; Cano Escribá, JC.; Tavares De Araujo Cesariny Calafate, CM.; Manzoni, P. (2016). Improving MQTT Data Delivery in Mobile Scenarios:Results from a Realistic Testbed. Mobile Information Systems. 2016:1-11. https://doi.org/10.1155/2016/4015625S111201
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