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Alejandro Alvarez Fernandez

Alejandro Alvarez Fernandez

The importance of sequencing power domains in electronics

The importance of sequencing power domains in electronics

There is a clear trend in the electronics industry for integration, allowing for more compact and efficient designs. More and more, electronics manufacturers are making their chips smaller, including more components within their chips and extending the feature range. This can be seen in highly integrated microcontrollers (with the introduction of SiP, System-in-Package), massive functionality...

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Connecting some of the dots between Nftables, Iptables and Netfilter

Connecting some of the dots between Nftables, Iptables and Netfilter

When it comes to packet filtering on Linux, Nftables (a successor to Iptables) has matured sufficiently in recent years for it to be considered the default tool to use today. However, Iptables is still widely used in modern systems (e.g., Debian buster),  with it often being “emulated” by using Nftables as backend, whereupon it becomes merely an alternative syntax to Nftables for defining packet...

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Open Data – contributes to Smart Cities

Open Data – contributes to Smart Cities

A few weeks ago, we blogged about the importance of Smart Cities to promote smart sustainable cities. Half the population worldwide now lives in big cities, and this figure is expected to rise over the next ten years. Recent UN studies show that urban centers consume as much as 78% of the world’s energy and produce more than 60% of greenhouse gas emissions. This problem directly affects the...

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