What happens when you type https://www.google.com in your browser and press Enter?
Ever wondered what happens when you type "google.com" into your browser and hit that magical Enter key? It's like a cool adventure behind the scenes, and I'm here to take you on this friendly journey.
To embark on this journey, we first need to grasp how the internet functions. The internet, as you might already know, is an interconnected web of computers communicating with one another. Think of it as a sprawling network of networks, all working harmoniously to make your online experience possible
Think of typing "google.com" as asking a friendly digital detective for directions. Your browser consults the Domain Name System (DNS), which is like a map, to find out where "google.com" lives on the internet. Your browser sends a request to the DNS server, which responds with the actual location, which is an IP address, like 172.217.3.100.
Once your browser has the address, it's like calling your friend. It establishes a connection using TCP (Transmission Control Protocol). Think of TCP as ensuring that your conversation is reliable, like when you and your friend confirm that you've received each other's messages.
Now, on your way to the server, you might pass through a firewall. This is like going through a security checkpoint. The firewall checks your request against a set of security rules. If you're good to go, you'll pass through.
Imagine your conversation needs to be private. This is where HTTPS (Hypertext Transfer Protocol Secure) or SSL (Secure Sockets Layer) comes in. It's like speaking in code. It encrypts your data, making it impossible for eavesdroppers to understand.
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For major websites like Google, multiple entrances exist, analogous to their virtual "doors." A load balancer acts as a helpful guide, evenly distributing incoming requests among numerous servers to prevent congestion..
At the web server, your request gets processed. It's a bit like a chef preparing a delicious meal for you. Once ready, the web server serves up the webpage and sends it back to your browser as a friendly gift.
For more dynamic websites like Google, there's an application server that creates personalized recommendations and manages your search queries. Websites also use a database for storing data, like essential kitchen ingredients. The application server retrieves data from the database to fulfill your requests seamlessly.
So, there you have it. When you type "google.com" and press Enter, you're embarking on a fantastic online adventure. It's a bit like a friendly quest where your Browser, DNS, TCP/IP, Firewall, HTTPS/SSL, Load-balancer, Web servers, Application server, Database and Google all work together to make your web experience a delightful one.
The next time you go online, remember the friendly journey happening behind the scenes, turning your keystrokes into a digital
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1 年Insightful post! Thank you, Kasiemobi