System Architecture

Substrate is a crowdsourced project designed to enhance understanding, communication, and action in order to move humanity forward

Evolving thoughts, tips and resources for Mastodon

Polylith is a software architecture that applies functional thinking at the system scale. It helps us build simple, maintainable, testable, and scalable backend systems.

A federated social network for individuals and communities to design, operate and control their own digital lives.

When I first became interested in functional programming, a more experienced engineer told me: “you know functional programming doesn’t really amount to much more than procedural programming.” As I insisted on the benefits of map, filter and reduce, he simply shook his head. “You’re thinking in the small. Go look at a large real-world application.” It took some time for me to see what he meant. My preferred language, Clojure, is a functional language.

Real-Time Messaging Protocol (RTMP) is a communication protocol for streaming audio, video, and data over the Internet. Originally developed as a proprietary protocol by Macromedia for streaming between Flash Player and the Flash Communication Server, Adobe (which acquired Macromedia) has released an incomplete version of the specification of the protocol for public use.

Nebula is an overlay networking tool designed to be fast, secure, and scalable. Connect any number of hosts with

“What is the easiest way to securely connect tens of thousands of computers, hosted at multiple cloud service providers in dozens of locations around the globe?” If you want our answer, it’s Nebula, but I recommend that you read the rest of this short post before clicking that shiny link. At Slack, we asked ourselves this […]

Gather round the fire to hear the tale of how we built migration for stateful apps on a global public cloud without building a SAN.

Is slapping another quick and dirty one just to solve a problem at hand a bad practice? Not really, I’d say.

Discover the power of domain modeling and exploratory programming in software development. Learn how iterative visual approaches can enhance your understand

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Oban is an Elixir job processing system backed by PostgreSQL for persistence and coordination. It stands on the shoulders of giants, blending OTP and Po…

Simplify your code with the remove control flag refactoring technique in C#. See the benefits of removing control flags in this guide to applying the technique.

Taildrop was the first test of an experimental p2p app discovery layer in Tailscale. Let’s talk about why it was so easy to build, and where we go from here.

If you don't know what it operates on or produces, then it operates on or produces itself.

Diagrams should be effortless to create and update, ensuring everyone has access to the latest information.

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D-Lib Magazine

Alan Kay mentions in a talk that the Smalltalk don't scale quite well to big teams and infrastructure. However, he had some ideas on how to make OOP scale.

TL;DR: A world first reverse engineering analysis of AWS Session Tokens. Prior to our research these tokens were a complete black box…

Navigating New Constraints, Requirements, and Capabilities