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Video: Crash Tests of the Audi e-tron Electric Car, which received five stars from Euro NCAP

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The Audi e-tron electric car, which is the first fully electric vehicle from the German company, received a high safety rating from the European New Car Assessment Programme (Euro NCAP) after conducting crash tests. Currently, Euro NCAP is the primary organization that evaluates vehicle safety based on independent crash tests. The safety rating for the Audi e-tron electric car turned out to be more than positive. Safety […]

Features of DPI Configuration

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This article does not cover the full setup of DPI and everything related to it, and the scientific value of the text is minimal. However, it describes a simple method for bypassing DPI that many companies have overlooked. Warning #1: this article is exploratory in nature, does not encourage anyone to take action, and is not intended for use. The idea is based on personal experience, and any coincidences are purely accidental. Warning #2: […]

Release of ZFSonLinux 0.8.0

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It took developers of ZFS on Linux (abbreviated as ZoL) about two years and 5 RC releases to produce a highly significant release — ZFS-0.8.0. New features include 'native' encryption for both file systems and volumes. The aes-256-ccm algorithm is used by default. Keys for the dataset are managed using the 'zfs load-key' command and related subcommands. Encryption during zfs send/receive. This allows for the storage of backups […]

Beer through the eyes of a chemist. Part 2

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Hello, %username%. If you're currently wondering, 'Hey, what does Part 2 mean — where's Part 1?!' — you need to go here urgently. As for those who are already familiar with Part 1 — let's get down to business. Yes, and I know that for many, Friday has just begun — so here’s a reason to prepare for the evening. […]

Containers, microservices, and service meshes

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The internet is full of articles about service meshes, and here’s another one. Hooray! But why? Because I want to express my opinion that it would have been better if service meshes had come about 10 years ago, before the emergence of container platforms like Docker and Kubernetes. I do not claim that my point of view is better or worse than others, but since service meshes are quite complex […]

Traffic monitoring systems in VoIP networks. Part one — overview

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In this material, we will attempt to consider an interesting and useful element of IT infrastructure, such as VoIP traffic monitoring systems. The development of modern telecommunication networks is astonishing: from signaling bonfires they have come a long way, and what seemed unimaginable before is now simple and mundane. Only professionals know what lurks behind the everyday nature and widespread use of achievements in the field of information technology. The diversity of environments […]

Traffic monitoring systems in VoIP networks. Part two — principles of organization

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Hello, colleagues! In the previous material, we got acquainted with a useful and, as you might notice, quite necessary element of VoIP infrastructure—the traffic monitoring system, or SMT for short. We learned what it is, what tasks it solves, and also noted the most prominent representatives presented to the IT world by developers. In this part, we will explore the principles by which SMT is implemented in IT infrastructure […]

Release ZFS on Linux 0.8.0, implementations of ZFS for the Linux kernel

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After nearly two years of development, ZFS on Linux 0.8.0 is released, implementing the ZFS file system as a module for the Linux kernel. The module has been tested with Linux kernels from 2.6.32 to 5.1. Ready installation packages will soon be prepared for major Linux distributions, including Debian, Ubuntu, Fedora, RHEL/CentOS. The ZFS on Linux module is already included […]

GitHub launched financial support and vulnerability notification services

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GitHub has implemented a sponsorship system to provide financial support for open projects. The new service offers a new form of participation in project development—if a user is unable to contribute to development, they can connect to interesting projects as a sponsor and assist through financing specific developers, maintainers, designers, documentation authors, testers, and other participants involved in the project. With […]

CPU Consumption Benchmark for Istio and Linkerd

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Introduction At Shopify, we have been working on deploying Istio as a service mesh. Overall, everything is satisfactory, except for one thing: it is expensive. Published benchmarks for Istio state: With Istio 1.1, the proxy consumes approximately 0.6 vCPU (virtual cores) per 1000 requests per second. For the first region in the service mesh (with 2 proxies on each side of the connection), […]

Research: Building a lock-free proxy service using game theory

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A few years ago, an international group of researchers from the universities of Massachusetts, Pennsylvania, and Munich in Germany conducted a study on the effectiveness of traditional proxies as a tool for combating censorship. As a result, the researchers proposed a new method for bypassing blocks based on game theory. We have prepared an adapted translation of the main points of this work. Introduction The approach of popular blocking circumvention tools, such as Tor, is based on […]

Bug Clearing House — a marathon for eliminating old bugs

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How many open bugs do you have in your backlog? 100? 1000? How long have they been there? A week? A month? Years? Why does this happen? No time? Need to focus on higher priority tasks? "We’ll implement all the urgent features right now, and then we’ll definitely have time to tackle the bugs"? … Some use a Zero Bug Policy, while others have a well-developed work culture […]

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