Distinguish between intranets, extranets and the Internet.

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written 6.8 years ago by

Internet	Intranet	Extranet
It is a Global system of interconnected computer network.	It is a Private networkspecific to an organisation.	It is a Private network that uses public network to share information with suppliers and vendors.
The content in the network is accessible to everyoneconnected.	The content in the network is accessible only to members of organization.	The content in the network is accessible to members of organization & external members with access to network.
Not regulated by any authority.	It is regulated by an organization.	It is regulated by multiple organization.
It is largest in terms of number of connected devices.	It is small network with minimal number of connected devices.	The number of devices connected is comparable with Intranet.
It is owned by no one	It is owned by single organization.	It is owned by single/multiple organization.
The sharing information throughout the world.	The sharing sensitive informationthroughout organization.	The sharing information between members and externa lmembers.
Security is dependent of the user of device connected to network.	Security is enforced via a firewall.	Security is enforced via a firewall that separates internet & extranet.
Users can access Internet anonymously.	Users should have valid username/password to access Intranet.	Users should have valid username/password to access Extranet.
Internet is unregulated and uncensored.	Intranet is regulated by the organization policies.	Extranet is also regulated by contractual agreements between organizations.
Example: What we are normally using is internet.	Example: TCS using internal network for its business operations.	Example: HP and Intel using network for business related operations.

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