Chapter 3: TCP/IP Who? HTTP what?

Have you ever read an article about a brand new invention recently created?

Browsed the web on the latest technological discoveries, or religiously followed certain social media accounts for the latest computer reviews?

Most of us browse the web without a single thought of how it operates in the background, or how we have access to all this information. When it comes to gathering knowledge that might lead us to the next break-through discovery, it is important to remember how we are able to access such a wealth of information. Enter the internet. Perhaps the greatest innovation to ever be created, and something that allows all future innovators access to amazing amounts of information and knowledge. The internet, to put it simply, is a network of interconnect computers that allow people to share data and communicate with each other. Not to be confused with the Web, or the World Wide Web, which is a vast amount of webpages and websites that allow users (you and I) to interact with, like watching videos or reading this blog post. 

The reason the internet is able to do what it does today is because of protocols. You're probably wondering what a protocol even is, and let me tell you, its just as important as the internet itself. Protocols are like a set of rules, rules that computers use to interact with each other and allow the sharing of data to run smoothly. Enter what some would argue is the most important protocol, TCP/IP. TCP/IP stands for Transmission Control Protocol/Internet protocol, where the TCP side makes sure that data is sent and received correctly, while IP ensures its delivered to the right place.

But wait there's more!

There is another protocol that you probably haven't thought of, and its right under your nose. Its called HTTP, or HyperText Transfer Protocol. This protocol is a set of rules designed for web browsers and webpages to communicate with each other. Whenever you click on a link or type in a web address, its HTTP that sends the website to your browser so you can see the webpages. That's pretty important stuff! First step to being an innovator means understanding the world around you, and that also includes the digital world as well!

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