I Need to Know the Networking History.

You want a brief summary, you got it! Please see the slide located in the link below. It's called 10 Answers to Your Questions About the Past, Present and Future of the Internet. You're guaranteed a grade of an "A" with this one: www.eweek.com/c/a/Past-News/10-Answers-t...ure-of-the-Internet/

But to summarize it all: The Internet is a series of tubes