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278 Simpler IoT Word(s) of Tomorrow, More Interoperability Challenges to Cope Today<br />

Things is not only linking connected electronic devices by using the Internet; it<br />

is also web-enabled data exchange in order to enable systems with more capacities<br />

“smartness”. In other words IoT aims for integrating the physical world<br />

with the virtual world by using the Internet as the medium to communicate<br />

and exchange information.<br />

Technically speaking IoT is mainly supported by continuous progress in<br />

wireless sensor networks software applications and by manufacturing low<br />

cost and energy efficient hardware for sensor and device communications.<br />

However, heterogeneity of underlying devices and communication technologies<br />

and interoperability in different layers, from communication and seamless<br />

integration of devices to interoperability of data generated by the IoT<br />

resources, is a challenge for expanding generic IoT solutions to a global scale.<br />

In this article we present various parallel and inter-related interoperability<br />

challenges ensuring that technologies deliver information in a seamless<br />

manner while this information is understood whatever the context and<br />

efficiently processed to deliver the potential of innovative services we are<br />

looking for.<br />

To make everything simpler in our life tomorrow in using any object,<br />

any information, anywhere we need to solve complex interoperability issues<br />

today.<br />

8.1.1 Different Types of Interoperability<br />

First we need to understand interoperability. The main objective of this article<br />

is not to produce a new definition on interoperability but explore the different<br />

roles and functionality interoperability plays in the Internet of Things today. In<br />

this sense there are many definitions of interoperability but for instance in the<br />

context of the 3rd Generation Partnership Project, 3GPP, interoperability is:<br />

“the ability of two or more systems or components to exchange<br />

data and use information”<br />

This definition is interesting as provide many challenges on how to:<br />

• Get the information,<br />

• Exchange data, and<br />

• Use the information in understanding it and being able to process it.

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