Where are you? I can’t find you…. (Week 8)

 

Often times we don’t really think about how we receive the information on the internet, or how it even travels from one place to the other. It happens so quickly that we don’t even have time to process the steps until we have already been routed to our destination.

Let’s talk about it, we all know that the internet a really big place… but how do we get from one place to another? That’s a good question, and a simple one. We rely on IP addresses to send and receive information or data; whether you are looking for something on a local network or something that is on the internet. If you open your web browser and want to get access to a specific website; type in the URL, it then travels to a DNS server (Domain Name Service) to find out that specific websites IP address. Once it locates the needed IP address, it will connect you to the Web server that is hosting the contents of the web page you are wanting to access. If you have permission to access the website it will then be loaded onto your screen!

Similarly, traveling by car to a specific destination; you wouldn’t just blindly drive and hope that eventually you end up where you needed to be. You would use a map, or GPS. In this scenario, you are the web client, the GPS would be the DNS server, and your destination would be the web server. If that makes sense in a not techy way?

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