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Category: Telecommunications Engineering

Apps That Help From Dusk To Dawn [Info-Graphic]

The significance of mobile device in our day to day life and activities is definitely endless. This is just because mobile phones are no longer the common communication device it used to be. It has become the unexpected point of attention for people and businesses, courtesy of the various unbelievable features and opportunities that mobile phones provide. Today, mobile app is on the rise such that it produces understandable changes in the manner humans are performing their daily activities. On…

Optimizing HTTP/2 prioritization with BBR and tcp_notsent_lowat

Getting the best end-user performance from HTTP/2 requires good support for resource prioritization. While most web servers support HTTP/2 prioritization, getting it to work well all the way to the browser requires a fair bit of coordination across the networking stack. This article will expose some of the interactions between the web server, Operating System and network and how to tune a server to optimize performance for end users. tl;dr On Linux 4.9 kernels and later, enable BBR congestion control…

Opening communication lines between propulsion and airflow poses new questions

Doctoral student Aaron Perry, Assistant Professor Philip Ansell, and former master’s student Je Won Hong discuss the construction of the airfoil model with overwing ducted fans. Credit: University of Illinois Department of Aerospace Engineering On the runway to more fuel-efficient aircraft, one alternative propulsion scheme being explored is an array of electrically powered ducted fans. The fans are distributed across the wing span or integrated into the wing. Researchers at the University of Illinois gained new understanding in how the…

Graceful upgrades in Go

The idea behind graceful upgrades is to swap out the configuration and code of a process while it is running, without anyone noticing it. If this sounds error prone, dangerous, undesirable and in general a bad idea – I’m with you. However, sometimes you really need them. Usually this happens in an environment where there is no load balancing layer. We have these at Cloudflare, which led to us investigating and implementing various solutions to this problem. Dingle Dangle! by…

Managing data store locality at scale with Akkio

In the past eight years, we’ve broken ground on 15 data centers around the world. During this time, the number of people using Facebook every month topped 2.2 billion. Those people are all sharing memories through posts, images, and videos. Initially, we were able to ensure low-latency, continuous access for everyone by storing replicas of the entire data set in each data center region. But as we continue to grow, that solution is no longer scalable. To help solve this…

Sound software for fault detection in machinery

Credit: michaeljung, Shutterstock Experienced operators claim they can tell if their machine is functioning properly merely by listening to the sounds it makes. EU-funded researchers have gone one better by developing technology based on the human auditory system that can, through sound analysis, ‘hear’ if industrial machinery is due for maintenance. Eliminating the risk of downtime and reducing maintenance costs are very important for industry as these factors affect productivity and quality while decreasing profits. Industry, therefore, has major incentives…

BOODMO – One Stop Place For All Genuine Automobile Spare Parts

The internet is a key to the retail expansion and to provide a different operating model to retailers in various domains. E-Commerce is on the rise not only for the fashion industry but also for other untapped domains. The growing working population and the expanding middle-class base is giving rise to online shoppers and they are the key demand drivers for any e-commerce industry. This trend is catching up in the automotive parts retailing and aftermarket space. There are e-commerce…

Mizzou Engineering hosts annual Merit Badge Day

More than 700 Boy Scouts attended Merit Badge Day on Sept. 29. Photo by Audrey Roloff. The College of Engineering hosted MU’s eighth annual Merit Badge Day, where more than 700 Boy Scouts gathered to earn badges in more than 40 different subject areas. Young scouts took over campus excited to learn from MU experts about topics such as nuclear science, emergency preparedness or robotics. Partnered with the Boy Scouts of America’s Great Rivers Council, the College was able to…

#BetterInternet: Join the Movement

When it comes to overall awareness of Cloudflare, it seems most folks fall into one of three camps: 1) those who don’t know much about Cloudflare at all, 2) those who are familiar with one or two of Cloudflare’s many solutions (i.e. DDoS protection, caching, DNS, etc.), and finally, 3) those who understand the full breadth and scope of Cloudflare’s global cloud network. This latter group of folks are especially excited about the broad scope of Cloudflare’s mission, which is:…

Free to code

This week at the Cloudflare Internet Summit I have the honour of sitting down and talking with Sophie Wilson. She designed the very first ARM processor instruction set in the mid-1980s and was part of the small team that built the foundations for the mobile world we live in: if you are reading this on a mobile device, like a phone or tablet, it almost certainly has an ARM processor in it. But, despite the amazing success of ARM, it’s…