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IoT is an evolving domain in which hardware and software components are modelling, sensing or influencing the properties of the physical world. In order to reach the full potential of an IoT service, security and flexibility are key requirements. For multiple service areas, such as supply chains or after-market services, access control and secure dispatch of information play a major role. Thus the...
With the upcoming network function virtualization (NFV), aiming at deployment of core network functionality on top of cloud infrastructures, there is a stringent need for developing an appropriate evaluation process and the afferent automatic testing solutions. Before NFV, only black-box testing was needed, due to the physical isolation of the components in separate boxes. With NFV, the network components...
Cities increasingly face challenges related to pollution, efficient use of resources (e.g. water, energy) and ensuring a good quality of life for its citizens. Solutions built on existing and emerging technologies such as Cloud computing, Internet of Things, Machine-to-Machine and data analytics can improve on or create services able to address these challenges. These solutions are seen as contributors...
The current trend of running software components on top of virtual machines in cloud platforms is gaining more momentum as it reduces the deployment time and operational costs in comparison to running them on dedicated hardware. By providing elasticity through orchestration, this approach brings even more value taking advantage of the resources on peak times and saving energy when the load is not...
Linking the communication and the information technology infrastructures forms the new Machine-to-machine (M2M) communication trend. We aim to exploit available standard protocols to support smart cities applications. In this paper, we report the work of implementing and evaluating the performance of using request/response protocols for M2M communications. The paper also introduces a mechanism to...
Sensors, actuators and devices that compose the Internet of Things (IoT) world are becoming more diverse every day in terms of capabilities and amount of generated traffic. Current Machine-to-Machine (M2M) communication standardization efforts try to formalize the interfaces between M2M nodes based on the perspective of exchanging uniform small data size with low sampling rate only. However, many...
The maturity reached by virtualisation technology enabled great innovation for efficient applications and services development and delivery, independent of the underlying hardware equipment, especially with the large deployment of off-the-shelf hardware based cloud infrastructures. In order to take advantage of this technology, the existing network functions have to be developed and adapted to the...
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