How the Internet Works?

The Internet has become an integral part of everyday life for many people. By leaps and bounds it has grown from a simple system of text and images to a multi-faceted and extremely fast-paced digital realm. In fact, over the past two decades the Internet has grown so quickly that it is now the fastest growing segment of our global economy. By the end of this decade, about 4.5billion people, or close to half the whole world’s population, will have Internet access. This growth has led to a great deal of talk in the business and financial sectors about “The Internet Revolution” and its effects on global economies.

The simple definition of the Internet is that it is a worldwide network of interlinked computers that allows people to exchange information and perform tasks without having any need for physical hardware. Simply put, the Internet is made up of many different networks like the World Wide Web, intranet, extranet and wireless networks, which link one computer to another and so forth. The Internet uses various protocols to transmit and receive data. There are various ways to classify the protocols used on the Internet: they can be classified according to geographical area, application, technology or usage. Let us take a look at the different types of Internet Protocols and how they work.

Packets are the basic form of data on the Internet and they can either be incoming or outgoing. An outgoing packet is one that is sent to another internet protocol or IP address. Incoming packets are ones that are received by another computer on the network. Internet Protocols change as per the requirement and needs of different applications and networking devices. It is this requirement that makes the Internet so popular among different networking.

An IP address is given to a user or a location through a data packet and it is this location which becomes the Internet server. This server will then relay the data packets to and from other IP addresses and other locations on the network. Some of the major IP networks on the internet are the ICQ, Microsoft Network, AOL and Yahoo! Search.

An important function of an internet protocol is that it carries the information or data packets between its clients and servers. The reason why a particular web server needs to open up is that it wants to connect to the remote site. In order to do this, it will create and assign IP addresses to each of its data packets, which are later identified and passed on to and from other IP addresses on the network. Some of the main functions of an IP network are as follows:

The IP transport control protocol (TCP) controls how Internet traffic is transmitted. The most commonly used TCP is the backbone of the internet and is used in almost all the computer networking equipment. A computer connected to the internet uses the TCP to send and receive data packets over long distances. A busy line is formed when more than one network adapter is in operation at the same time. This is because multiple IP addresses are combined together and served as one address through the TCP.

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