In this modern and fast-paced era, the internet has become a part of our lives, but few people know how this advanced technology works.
Most people tend to feel indifferent about how the internet works. In fact, if you know it in detail, then you will know how complicated and long this technology has been developed from year to year.
How come? The world of the internet is made up of millions of computers around the world that are digitally connected to each other via cables, carbon fiber, and wireless.
Thanks to this connectivity, we can finally do many things via the internet, including browsing, communicating with remote people, downloading pictures and videos, to playing social networks and dancing on TikTok.
But before we delve deeper into how the internet works, it’s good to know ‘internet technology’ first.
What is the Internet?
For children born in the 90s or less, internet presence is like knock magic which can connect one person to another so quickly.
In fact, if we understand more deeply, how the internet works is quite simple. Although the internet technically requires a lot of complicated equipment
To make it easier to digest, we can think of the internet as a kind of road that connects one island to another.
Imagine that the Indonesian archipelago is connected to each other by a toll road that floats above the ocean, so of course the activities of shipping goods and traveling will be much easier to do.
Well, this also applies to the internet network. All data will be more easily sent from one computer to another via cable even though it is separated by a vast ocean.
Then, just like when we travel from one island to another which requires a vehicle, gasoline, driver, and a good body fitthen the internet also demands conditions in the form of ISP, DNS, IP Address, BrowserTCP, Servers, HTTPand Information Packages.
So that it is easier for you to understand all internet network devices and how the internet works, we will describe it in the form of a story step by step.
Overview of How the Internet Works
There are at least 5 stages needed for the internet network to work properly. All these stages of course require the conditions mentioned above, starting from the ISP to HTTP. If one of them is disturbed, then the information data will not be able to connect.
Step 1 – ISP and Browser
We start with the first step of how the internet works, which requires an ISP to connect the computer to the internet.
ISP stands for Internet Service Protocolor telecommunications companies that sell internet services such as Indihome and Biznet, or wireless versions of GSM cards such as XL, Tri, IM3, and so on.
Each of these ISPs has a different speed. If in a car the speed unit is calculated using km/hour, then the internet has units of mb/s (megabytes per second).
Because internet speed continues to develop, maybe in the future we will be able to find a type that uses gb/s (gigabytes per second).
As soon as your computer is connected to the internet via your ISP, you can start playing online games or just browsing using browsers such as Google Chrome, Mozilla Firefox, Opera, and so on.
Step 2 – DNS (Domain Name System)
Armed with a browser, we can begin to surf the internet by entering certain sites, for example, Google.com.
To be able to load a website page, DNS (Domain Name System) is needed, so that (for example) Google.com has an IP Address and can be accessed by us.
People may have a phone, but they won’t be able to connect if they don’t have service and a phone number.
Likewise with a website address, we can have a domain name (eg tedieka.com), but will not be accessible if you do not have an IP Address.
Step 3 – TCP (Transmission Control Protocol)
So far we have known that DNS is required to access a website through a browser
But the process doesn’t stop there, because in order for us to exchange messages between the destination website and our computer, TCP is needed.
TCP stands for Transmission Control Protocol designed to ensure that the request and transmission of data over the internet network is successful.
The word ‘exchanging messages’ here does not only mean referring to ‘chatting’ activities. When you want to access a certain website, you can also call it exchanging data, because you request data on a particular website, then the website sends it.
Step 4 – HTTP (Hypertext Transfer Protocol)
If step 3 above is successful, then the internet network will start building HTTP (hypertext transfer protocol) whose job is to present the documents we want, most of which are in the form of HTML.
In simple terms, the original form of all web pages (articles, news, blogs, etc.) html which must be transferred from the website to the website visitor.
All the information we ask for will then be sent directly to our computer – again – via TCP above in the form of a collection of bits.
From here, our internet speed and the website server we visit will be tested because the data will be transmitted via cable, moving from router to router, telephone line, and/or WiFi.
The smoother the travel process, the faster the information will reach our computer screen.
Step 5 – Browser
The final step returns to the task of the browser we are using, which will convert all these pieces of data into images, articles, or videos that we can enjoy just like you read articles. how the internet works on our website on this one.
Because these five steps occur in just a matter of milliseconds, we may not be aware of all the processes. Sophisticated isn’t it?
Hopefully this article that discusses how the internet works can broaden your horizons about the internet.