Feature: System security
Highly-secure embedded CPUs for the needs of edge servers
by Electronics World editors
S
oſtware-defined network architectures, driver assistance systems and digital twins are just a few examples of applications that need powerful hardware at the edge of the cloud to process data and task operations. Te edge, in turn, demands much greater reliability, easy maintenance and
extended component availability, but also proper protection and securing of the data processed by its servers. Te cloud allows businesses to process even the largest data
volumes with almost infinitely scaleable computing power. But, for this to happen, the data must first be transferred to the cloud from the point of collection. It then travels some way via the cloud, making it unsuitable for applications such as autonomous vehicles, intelligent traffic systems and digital factories, since they require the lowest possible latencies – as near to real time as possible – for swiſt decisions and actions. In addition, the data connection may potentially suffer
unplanned or malicious disruptions and then there’s the problem of limited bandwidth, which restricts data transport over existing network infrastructures. Hence, sending extremely large volumes of raw data to be processed in the cloud is oſten not economically viable, since transmission costs and the additional investments required in infrastructure and connectivity are simply too high. One solution is to use the computing power of edge servers at
www.electronicsworld.co.uk September 2022 17
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