The internet as we know it was invented by an organisation called ARPANET in the 60s. At first, it used packet switching mechanisms. This enabled a handful of computers on the same network to talk to each other. Back then, there were no standards, no unique set of rules that everyone had to follow to work together. There were no internet protocols. When a computer from network A wanted to communicate with computer from network B; they couldn’t because the architecture was different. Basically...