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Category: Telecommunications Engineering

Understanding Envoy Rate Limits – Wayfair Tech Blog

Envoy rate limits is a fairly complex system, built using multiple components. While there are many articles on the Internet explaining basic setup and how each component works, we weren’t able to find something that explains how each component works end-to-end in simple terms. That’s why we’ve created this blog – covering envoy and rate limit service configurations.  To learn how to integrate the configuration into the istio resources, feel free to scroll to the bottom of the page for…

COVID Vaccine Moves to the Front of the Supply Chain

This article appeared in Electronic Design and has been published here with permission. What you’ll learn: How does the rapid-response detection unit work? What components were used to create the RapidPlex unit, and how was it built? It would be a major advance if there was a basic test instrument or front end that could determine if someone harbors the COVID-19 virus—and soon that might be a reality. A team at the California Institute of Technology (Caltech) has developed a…

A Name Resolver for the Distributed Web

The Domain Name System (DNS) matches names to resources. Instead of typing 104.18.26.46 to access the Cloudflare Blog, you type blog.cloudflare.com and, using DNS, the domain name resolves to 104.18.26.46, the Cloudflare Blog IP address. Similarly, distributed systems such as Ethereum and IPFS rely on a naming system to be usable. DNS could be used, but its resolvers’ attributes run contrary to properties valued in distributed Web (dWeb) systems. Namely, dWeb resolvers ideally provide (i) locally verifiable data, (ii) built-in…

Micro Hypervisor Targets Automotive Microcontrollers

>> Electronic Design Resources.. >> Top Stories of the Week.. .. >> CES 2021 Anyone who has read Ray Bradbury’s A Sound of Thunder or Eric Flint’s 1632 series knows about the Butterfly Effect. This is where small perturbations, like the flap of a butterfly’s wings, affects changes years later and far away. 2021 has had a lot of big butterflies these days, starting with general upheavals from Brexit to COVID-19 to attacks on the U.S. capitol and massive security…

Wives bore the brunt of child care during the shutdown — ScienceDaily

Traditional gendered patterns of child care persisted during the COVID-19 shutdown, with more than a third of couples relying on women to provide most or all of it, according to a study from University of Georgia researcher Kristen Shockley. Some previous research has found that typical familial patterns may get upended during crises, but that’s not what Shockley and her colleagues found in the early months of the COVID-19 shutdown. “Most people have never undergone anything like this before, where…

Why V2X Should Start with Two-Wheelers

What you’ll learn: What’s causing V2X’s slow adoption? Stats showing that bicycles and eScooters are actually much more dangerous. Adding V2X beacons for greater safety.   Vehicle-to-everything (V2X) communication connects vehicles to other vehicles (V2V), infrastructure (V2I), motorcycles (V2M), and pedestrians (V2P) within wireless range for safety and mobility applications. It adds a new layer of confidence and certainty for drivers as it helps prevent car accidents. However, the gap between V2X’s ability to enhance road safety and its slow…

Cloudflare Radar’s 2020 Year In Review

Throughout 2020, we tracked changing Internet trends as the SARS-Cov-2 pandemic forced us all to change the way we were living, working, exercising and learning. In early April, we created a dedicated website https://builtforthis.net/ that showed some of the ways in which Internet use had changed, suddenly, because of the crisis. On that website, we showed how traffic patterns had changed; for example, where people accessed the Internet from, how usage had jumped up dramatically, and how Internet attacks continued…

Boosting a natural cellular process could reduce damage, study suggests — ScienceDaily

An unfortunate truth about the use of mechanical ventilation to save the lives of patients in respiratory distress is that the pressure used to inflate the lungs is likely to cause further lung damage. In a new study, scientists identified a molecule that is produced by immune cells during mechanical ventilation to try to decrease inflammation, but isn’t able to completely prevent ventilator-induced injury to the lungs. The team is working on exploiting that natural process in pursuit of a…

Advanced tools reveal critical infrastructure connections to mitigate disasters

Credit: Shutterstock / RaiPhoto A cross-platform Argonne collaboration is optimizing a tool developed after Hurricane Maria to find essential connections between critical infrastructure that will help owners and operators plan for and mitigate a variety of potential hazards. Major disasters, whether natural or human-caused, most often have a devastating impact on local infrastructure that can result in the interruption of humanitarian efforts and deal an economic blow to communities large and small. No matter where you are in the world,…

Brushed-Motor Drivers Target Automotive Needs with Functions, Protection, Diagnostics

After the recent SolarWinds1 hack that impacted the United States federal infrastructure and organizations globally, perhaps now is the time to look at what to expect in embedded-system security this year. Haydn Povey, Founder and CEO of Secure Thingz/General Manager, Embedded Security Solutions, at IAR Systems, a foremost expert in security, offers seven insights and predictions about how security will be at the forefront of technology at every level, starting with each individual chip, in 2021. Haydn Povey, Founder and CEO,…