Mimic Realistic Networking Conditions on Windows with winShaper

If you’re using macOS then you might be familiar with the XCode bundled “Network Link Conditioner”, a tool to simulate certain specific networking environments. On Windows you can use winShaper for this. The project consists of a traffic-shaping network driver and an easy-to-use GUI.

You need to be an administrator to run it since it needs to run a device driver to do the filtering but otherwise it is just a matter of running winShaper, selecting a connection profile and turning it on.

Don’t forget that your DevTools have network throttling features built-in. winShaper and the Network Link Conditioner differ from the DevTools in this by throttling the traffic on a system-wide level.

winShaper Downloads →
winShaper Source (GitHub) →

Facebook Engineering: Introducing 6-pack, the open hardware modular switch

The “6-pack” platform is the core of our new fabric, and it uses “Wedge” [a custom built network switch] as its basic building block. It is a full mesh non-blocking two-stage switch that includes 12 independent switching elements. Each independent element can switch 1.28Tbps. We have two configurations: One configuration exposes 16x40GE ports to the front and 640G (16x40GE) to the back, and the other is used for aggregation and exposes all 1.28T to the back.

Wicked.

Introducing “6-pack”: the first open hardware modular switch →