Abstract
A key requirement of realizing the connected world featured by IoT is to ensure interoperability among different connected devices. Interoperability is also at the basis of the realization of the novel vision of Industry 4.0; a lot effort is put to make interoperable the interchange of information between industrial applications, also including IoT ecosystems. For this reason, during these last years, several approaches aimed to enhance interoperability between industrial applications and IoT appeared in the literature. In this paper an interoperability proposal is presented. It is based on the idea to realize interworking between the two standards considered among the reference ones in the industrial and IoT domains. They are the OPC UA for the industrial domain and oneM2M for the IoT. Interworking is realized in such a way to allow industrial applications based on OPC UA to acquire information coming from oneM2M-based IoT devices. The proposal allows an OPC UA Server to publish each piece of information produced by oneM2M-based IoT devices, so that this information may be consumed by industrial applications playing the OPC UA Client role.
Highlights
During the last two decades, web technologies played a very important role for the definition of novel software solutions in the web
As pointed out in the introduction, the aim of the paper is to define a solution in charge of enabling interworking from oneM2M towards OPC Open Platform Communications Unified Architecture (UA), allowing that information produced by oneM2M-based Internet of Things (IoT) devices could be published by an OPC UA Server and so consumed by industrial applications playing the client role
It has been assumed that the Interworking Manager may receive inputs from a generic external user, as shown by Fig. 8; these inputs are limited to information about the choice of the oneM2M resources to be exposed and to be mapped into the OPC UA Server, as it will be pointed out by Section 5
Summary
During the last two decades, web technologies played a very important role for the definition of novel software solutions in the web.
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