INTERNET V/S INTRANET

INTERNET V/S INTRANET

Internet:

The Internet, sometimes called simply "the Net".

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• It is a worldwide system of computer networks - a network of networks in which users at any one computer can get information from any other computer 
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• A means of connecting a computer to any other computer anywhere in the world via dedicated routers and servers. When two computers are connected over the Internet.
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• They can send and receive all kinds of information such as text, graphics, voice, video, and computer programs
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• It is a worldwide system which has the following characteristics:
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• Internet is a world-wide of interconnected computer networks.
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• Every computer in internet is identified by a unique IP address.
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• IP Address is a unique set of numbers (such as 110.22.33.114) which identifies a computer’s location.
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• Internet is accessible to every user all over the world.

Intranet:

• An intranet is a private network that is contained within an enterprise.
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• It may consist of many interlinked local area networks.
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• It also use leased lines in the wide area network. 
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• It is system in which multiple PCs are connected to each other.
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• PCs in intranet are not available to the world outside the intranet.
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• Usually each enterprise has their own Intranet network and members of that enterprise can only access the computers.
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• Each computer is also identified by an IP Address which is unique among the computers in that Intranet.
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• An intranet uses TCP/IP, HTTP, and other Internet protocols and in general looks like a private version of the Internet.

Similarities between Internet and Intranet:

• In the current times, intranet can be considered more of a business tool which keeps an organization connected in a structured manner. 
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• It is, however, to be always remembered that intranet is a part of internet. Thereby, intranet does share some very basic features with the Internet.
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• Some of them are listed as under:
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• Intranet uses the internet protocols such as TCP/IP and FTP.
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• Though the access is limited, intranet can work on any of the web browsers.
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• Some organizations do have a customized web browsing environment as per their requirement.
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• In Intranet, own instant messengers can be used as similar to yahoo messenger over the internet.
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• Security features like firewall and encryption-decryption policies are applied using same or similar features that internet has.
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• A number of organizations have different encryption techniques so that any undesirable breach of data is not possible because of patterned studies.

Difference between Internet and Intranet:

Internet:

• The Internet is available to the public (everyone).
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• Internet itself contains a large number of intranets.
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• The number of users who use internet is Unlimited.
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• Internet contains different source of information and is available for all.
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• The Visitors traffic is unlimited.

Intranet:

• An Intranet is a private network only available to select users.
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• It is a network of computers designed for a specific group of users..
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• An Intranet provides much high speed than the Internet. 
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• Intranet can be accessed from Internet but with restrictions.
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• The number of users is limited.
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• Intranet-based information is more secure than that of the Internet.
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• Intranet contains only specific group information.
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• The traffic allowed is also limited