Internet vs Intranet vs Extranet

Hi All,

Let us learn the difference between various network:

Internet Vs Intranet Vs Extranet In Tabular Form.

BASIS OF COMPARISON	INTERNET	INTRANET	EXTRANET
Description	Internet can be described as a global system of interconnected computer network.	Intranet can be described as a network of computers or a private network designed for a specific group of users (organization).	Extranet can be described as a private network that uses public network to share information with clients (suppliers and vendors).
Size Of The Network	Internet is the largest network in as far as the number of connected devices is concerned.	It is a small network with a few number of connected devices.	It is a small network with a few number of connected devices.
Purpose	Internet is a means of sharing information throughout the world.	Intranet is a means of sharing sensitive or confidential information throughout the organization.	Extranet is a means of conveying information between members of the organization and external members.
Regulation	It is not regulated by any authority.	It is regulated by a specific organization.	It is regulated by multiple organizations.
Content On The Network	Content in the network is readily accessible by everyone who is connected.	The content in the network is accessible only to members of the organization.	The content on the network is accessible to members of the organization and external members with access to the network.
Ownership	Internet has no known ownership.	Ownership of intranet is by a single organization.	Ownership of extranet is by a single or multiple organizations.
Mechanism Of Regulation	Internet is unregulated and uncensored.	Intranet is regulated by the organization policies.	Extranet is also regulated by contractual agreements between organizations.
Access	Users have unrestricted access and can access internet anonymously.	An intranet may be accessible from the internet, but it is protected by a password and accessible only to authorized users.	An intranet may be accessible from the internet, but it is protected by a password and accessible only to authorized users.
Security	Security is dependent of the user of the device connected to network.	Security of the network is enforced through a firewall.	Security of the network is enforced through a firewall that separates internet and extranet.
Information	Internet contains different source of information and is available for all.	Intranet contains only specific group information.	Extranet contains only specific group information.
User Training	Users need no training on how to work with the network.	Time is required to train users on how to work with the network.	Time is required to train users on how to work with the network.
Example	An example of internet is the network you use to google words with.	An example intranet is a company like ExxonMobil using internal network for its business operations.	Example of extranet is when companies like HP, Intel and Lenovo decide to use the same network for related business operations.

 I hope you Understood the Concept, For more updates, Stay Connected.

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