Abstract

Objects/devices in the Internet of Things (IoT) Environments are frequently heterogeneous in nature with diverse processor (8-/16-bit) structures, operating systems, and applications in different programming languages. Consistent connection among the objects in such situations is conceivable just when the applications can speak with each other irrespective of their surroundings/implementation details. These objects are generally constrained in nature as for memory, power, throughput, cost, and form factor. In this paper, we propose an applications interoperability model for wireless embedded networks and assess it on objects that are constrained and heterogeneous in nature. Our feasibility tests demonstrate the potential benefits that can be accomplished as far as applications interoperability (especially concerning discovery, monitoring, syndication, and control) is concerned. Also, our assessment quantifies the overhead of using Simple Object Access Protocol (SOAP) and Hypertext transfer protocol (HTTP) based approaches that took roughly 1.4 to 2.7 times longer than our proposed CoAP based model.

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