Strategies to build a global CDN

By | 8th December 2018

A friend recently asked me: I would like to know how to build a global CDN network. I’m currently exploring all the CDN options on the market, but would like to know how to build one since it looks like an interesting problem to solve. A Content Delivery Network(CDN) is nothing but a service which… Read More »

BGP on a shoestring – The definitive guide

By | 5th December 2018

Virtually every address on the internet is connected with each other with a protocol called as the Border Gateway Protocol(BGP), which dynamically routes traffic on the internet to the closest network. This guide will show you how you can be part of the internet for the cheapest possible cost. This guide is intended for sysadmins… Read More »

Ultimate OpenVPN setup – inter-connecting, connecting to multiple sites at once

By | 21st May 2018

I had multiple networks scattered around different places and needed a way to link all of them together. They were as follows: Work related VPNs. There were multiple VPNs to access different parts of the internal networks. Handling multiple VPN files was very cumbersome. For convinience let’s assume we have a single network here –… Read More »