History of the Internet
Network
An excellent video about the history of the Internet. Time sharing made it all possile at the beginning. It shows how Arpanet, RAND, NPL and CYCLADES innnovations served well to the creation of the network of networks.
The history of the internet explains fundamentals principles that guided the creation of the network protocols that we use today. A fundamental knowledge of them are needed to understand security principles and networking concepts.
This video does a great job with the history of the Internet:
