How world-wide-web (www) is different from the Internet ?
Before answering the question of how www is different from the Internet?
First, let’s understand what does Internet means?
According to Wikipedia, the definition of the Internet is:
The Internet (a portmanteau of the interconnected network) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to link devices worldwide.
In simple terms, it is also known as Networks of Networks which links all devices together globally.
Is anyone in charge of the Internet?
Honestly, nobody is in charge of the Internet. The Internet is a large distributed network there is no central authority of controlling how the packets should be routed from the networks. It makes sure everyone has end-to-end connectivity Just like a phone call.
Now, let’s talk about what is the world wide web is?
An information system on the Internet which allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.
World Wide Web is one of the services which is provided by the internet over HTTP (HyperText Transfer Protocol). It uses URL(Uniform Resource Locator) to locate file and HTML(Hypertext markup language) to display the information which can be rendered by your browser.
In analogy, we can consider the World Wide Web as a movie theatre and the road as an internet.
Apart from world-wide-web, the Internet supports other protocols like FTP(File Transfer Protocol), SMTP(Simple Mail Transfer Protocol), POP(Post Office Protocol), etc.
Nowadays the rise in mobile computing there is a steady decline in the usage of the World Wide Web. Most of the World Wide Web services are provided as mobile app like Gmail, Spotify, YouTube, etc. which are easily accessible to the users.
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