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Performance Evaluation of IoT Middleware

Cruz, M. ; Rodrigues, J. R. ; Sangaiah, A. K. ; Al-Muhtadi, J. M. ; Korotaev, V.

Journal of Network and Computer Applications Vol. 109, Nº -, pp. 53 - 65, May, 2018.

ISSN (print): 1095-8592
ISSN (online): 1084-8045

Journal Impact Factor: 2,229 (in 2014)

Digital Object Identifier: 10.1016/j.jnca.2018.02.013

Abstract
Connected objects in a billion scale are expected in the Internet of Things (IoT). These objects (“things”) are interacting autonomously, with minimal human intervention and connected to the Internet. Most of these objects are constrained in terms of resources, meaning that their intelligence is delegated to a smarter player, a software, identified as middleware. It is present in most IoT scenarios because it solves interoperability problems, allowing previously incompatible devices to communicate, while also integrates and makes decisions based on collected data. This paper presents a performance evaluation study of open-source middleware solutions, including a proprietary solution developed at Inatel for the Inatel Smart Campus. Performance metrics, both qualitative and quantitative to evaluate middleware solutions objectively are also proposed. The results are analyzed and it is concluded that the proposed metrics are well adjusted for this type of platforms and can play a key role when choosing the best middleware solution to deploy in a given IoT solution. Sitewhere is the middleware platform that obtained better performance in the study.