Middleware for internet of things: an evaluation in a small-scale IoT environment

Andrei Palade, Christian Cabrera, Fan Li, Gary White, M. A. Razzaque, Siobhán Clarke

    Research output: Contribution to journalArticle

    Abstract

    The internet of things (IoT) envisages an ultralarge-scale network of things, which will offer services to a large number of applications in numerous domains and environments. A middleware can ease application development by providing the necessary functional components for service registration, discovery and composition. Recently, there have been a large number of proposals for IoT middleware solutions, and a few recent studies have surveyed and qualitatively evaluated these IoT middleware proposals against a variety of functional features. This paper is an extension of these studies with an evaluation of four representative middlewares in a small-scale scenario to provide a more in-depth perspective of the state of the art with reference to the scale and heterogeneity of dynamic IoT environments. The results show a number of issues. Service registration, discovery and composition components still require human intervention. With such a large number of available services, these components need to be automated to enable fast deployment and adaptation of IoT applications. The scalability evaluation of new proposals should follow a holistic approach, as opposed to considering only individual components. Finally, support for user’s non-functional requirements is limited to best-effort QoS.

    Original languageEnglish
    Pages (from-to)3-23
    Number of pages21
    JournalJournal of Reliable Intelligent Environments
    Volume4
    Issue number1
    DOIs
    Publication statusPublished - 1 Apr 2018

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