What Is Internet? And How Internet Works | Internet Definition And Network

What is the Internet? Do you know how the Internet works?

When you chat with someone on the internet or send someone an mail, have you ever wondered how many different computers are working together to get this done? You are sitting at a table or desk with your computer, and on the other end, your friend is at the computer ready to talk to you.

But between you and your friend’s computer, there are more than a dozen smaller computers that are filling the space between you and your friend’s computer. And when one computer is connected to another computer without any wire connection all over the world and this is called the Internet. But how are these single computers able to make relationships within themselves? Guys, let’s take a look at all this.

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What is the internet-

The global communications system has improved a lot now, and all these achievements are due to him, the Internet. In less than 20 years, it has spread to almost 25 different countries. Even the poorest countries of the world are connected to this network.

Most of you, with me, Also think that the word internet means that going online. But to speak the truth, it is nothing more than a normal computer network. Manekaroon is a road that is wandering all over the world. Just as traffic flows through the road and reaches its destination, data flows through different computers and reaches its destination. And which is the elementary principle of the Internet? The Internet is mainly a structure of interconnected computers.

what is internet

Connecting one computer to another is different in many ways. A computer is connected to an old copper cable by means of a fiber-optic cable (which sends data into the vibration of light) and again to a computer connected to a wireless connection (wireless connection means what we consider wireless, it connects via radio waves. And which computers are connected to the satellite. And this is how we can enjoy instant messaging, email service, or download MP3 music files using torrent.

What is the real work of the Net?

The job of the internet is really simple, he just exchanges data from one place to another, diameter. The key duty of the machinery that makes up the Internet is to exchange and exchange data. In fact, the Internet can be compared to the Postal Service.

In the Postal Service, letters are exchanged from one place to another. But it doesn’t matter to whom the letter comes from or what is written inside the letter. Again the letter is blank but the postal service does not come. His working message will take the diameter of it. The Internet works the same way.

The Internet, like the Postal Service, holds a lot of information and transmits it from one place to another. This means that if any data is exchanged, the Internet will complete it. Now you did not send an email or message someone with this internet connection. However, the only thing that matters for data exchange is that it will help to complete the Internet. Now built on this data distribution method, we are exploring new uses.

E.g., when two European investors made Skype, they took the telephone talk to the net. They created a program where our words could be transformed into data and the conversation continued through an exchange. But occasionally it was not possible to make a particular Internet for Skype without directly communicating with us.

Uses of Internet for Data transfer?

The Internet basically functions as a telephone network. But carrying data on the Internet and calling telephone lines is dissimilar. When you ring a friend, from a direct connection between you and your friend is talked on your telephone. As long as you are linked to the telephone, the circuit is open directly. Circuit interchanging is the process of linking one telephone to another. Electronic telephone chat system controls when to listen and when to send.

But if friends think a little bit, circuit switching is a really inefficient way to set up a network. When you are linked to your friend on the phone, not a single person else can join you on that line. (Suppose you are typing an e-mail to someone, it can take hours to type, and if you can’t send an e-mail at this time? Going to talk or talking and went to fetch a coffee mug.

So you are not sending any information then, but still, your phone is connected to your friend’s phone. You are being paid for each second and you talk or say no, the phone is joined with another call and no one else can call on that line. Therefore the circuit swapping may never be the ideal network. So what kind of network does the Internet carry data from?

Packet switching

The Internet still sometimes uses circuit switching methods to carry its data. For example, if you use a dial-up connection (where your computer dials a telephone number to reach your Internet provider, and it works just like a normal phone call) to connect to the Internet. Here you used the circuit switching method to get online. So no one can call you while I’m connected. And you have to pay for every second you stay connected. And instead, your net connection will work at a turtle speed.

But most of the Internet data is carried out in a completely new way called packet switching. Suppose you want to send an email to one of your Indian friends. So here is your Indian friend and you don’t need to be directly connected to receive this entire mail at once. After sending your mail on packet switching, it is broken up into many sections. And each of these pieces is called packets. Each packet is tagged with the words where they need to go and they can travel on separate routes. When the fragments reach their destination, they are reassembled, so that they can appear as mail.

The packet switching method is much more efficient than the circuit switching method. You will never need to be fully connected with anyone. So you are not losing anybody’s lines at all. Someone else can use the same line at the same time, and certain packets will arrive at your address exactly the same way. As the packets travel in different directions, there is no obstruction. As a result, many fast speeds can be seen.

How does packet switching work?

Before Accepting How Packet Switching Works You need to know that how circuit switching works. Suppose you live in the USA and plan to move to Bangladesh. Suppose you are thinking about not just your belongings but your building as well as your lifting, but think of a nightmare where you carry your entire house from one end of the earth to the other. So what do you have to do?

Initially, you need to see a road that will permit you to simply travel anywhere. Then you will need some trucks. And you will need a special ship to sail the sea. Think about how difficult the whole thing was. And you’ll be back in the days to carry so much together. Because your destination will be a lot slower. Again, if anybody else attempts to come to a similar road, he too will be stranded. In fact, this is how circuit switching works. And that’s how telephone calls are made.

Now imagine another situation. Suppose you open your building and number each brick. Fill each brick with one envelope and send it each way to your destination. Someone may have gone to the ship and some may have gone to the sky. Then, when all the bricks have come together, the number of bricks will be combined again. Since the bricks have traveled through different roads, the road will not create any jam. And others will be able to use the same road at the same time.

And that’s exactly how packet switching works. When you email or browse a site with a browser, all the data is broken into many packets and spread over the Internet.

How do computers work on the Internet?

Now, there are so many computers across the Internet world. But not everyone does the same thing. But Some of these computers only gather information from the user and send it to any information where demanded. And these machines are called servers. The machines where store any document are named file servers. The servers which hold your My Mail is named Mail Servers. And the servers that grip the webpage are named web servers. Now there are millions of millions of servers on the Internet world.

The computers which collect data from the server are named client computers. Whenever you enter the Internet to checkered mail, your computer is the client, your ISP (Internet Service Provider) is the server and the mail comes from the mail server. The number of consumers is more than a billion on the Internet, about a billion.

internet

When two computers are exchanging information with each other, it is called peers. If you are immediate messaging or replacing photos with your friend, this is peer-to-peer (P2P) communication. Sometimes your computer server behaves like a computer client in PUP and sometimes your computer server. Assume you send a photo to your friend, then your computer performances as a server (photo sent). And your friend’s computer will act as a client (access photos). When your friend sends you the photo, then his computer will performance as a server (photo sent) and your computer will now act as a client (access the photo).

Apart from just the server and client, there is another middle computer which is another part of the internet. And its name is the router. It only helps to connect different systems. If you have more than one computer in your home or school or office, the router helps to connect and connect to the Internet.

TCP / IP (TCP / IP) and DNS (DNS)

The real thing about exchanging data over the internet is not as simple as carrying a brick envelope of a house. Data on the Internet is a big thing and it is not conceivable to be organized by a person like you or me. There are countless data exchanges on the net each day — roughly 3 billion emails and a huge amount of traffic are downloaded and uploaded across data across 250 million websites around the world. Now the question is if all these data have been converted into packets and if no one has control, how can everyone get to the original destination without losing these packets?

And the reply is TCP / IP or transmission control protocol / Internet protocol. This full method permits all packets to reach the destination. It can say a two-in-one system. In the world of computers, “protocol” means a standard that everyone believes in and ensures that everything is reached. Now the question you have to ask is, does TCP / IP really work? Let’s find out.

Internet Protocol or IP is one kind of simple addressing system. All the machines that are on the Internet I own have a different IP. When every single machine has a different IPs, and so it is easy to identify which machine it is and send packs consequently. An IP address is basically a number inserted. And the numbers are divided by using commas or colons.

When it comes to websites, all things are different. Names are always used for easy recalling instead of IP on the website. Such as (Wirebd.com). The name of this full system is known by DNS or domain name server. After typing the domain name on the browser, then the computer starts searching for this IP and when the IP is found, then the website is opened from the webserver location.

IPs are basically of two types. One is IPv4 and the other is IPv6. There are four volumes of digits in IPv3. Such as 12.34.56.78 or 123.255.212.55. But in the fast-growing Internet world, there are no new IPv4 addresses today. So a new system has been developed called IPv6. It is much taller than IPv4. 123a: b716: 7291: 0da2: 912c: 0321: 0ffe: 1da2 is an example of IPv6. [Learn More About IP Addresses]

The extra part of this control system is the Broadcast Control Protocol or TCP. This structure controls how to send packs from one IP to another. And this system integrates the received packets. Re-send a packet if it is lost while sending a packet again.

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