Difference between Internet, Intranet and Extranet
Last Updated :
07 Oct, 2022
1. Internet :
The network formed by the co-operative interconnection of millions of computers, linked together is called Internet. Internet comprises of :
- People : People use and develop the network.
- Resources : A collection of resources that can be reached from those networks.
- A setup for collaboration : It includes the member of the research and educational committees worldwide.
2. Intranet :
It is an internal private network built within an organization using Internet and World Wide Web standards and products that allows employees of an organization to gain access to corporate information.
3. Extranet :
It is the type of network that allows users from outside to access the Intranet of an organization.
Difference between Internet, Intranet and Extranet :
Point of difference |
Internet |
Intranet |
Extranet |
Accessibility of network |
Public |
Private |
Private |
Availability |
Global system. |
Specific to an organization. |
To share information with suppliers and vendors it makes the use of public network. |
Coverage |
All over the world. |
Restricted area upto an organization. |
Restricted area upto an organization and some of its stakeholders or so. |
Accessibility of content |
It is accessible to everyone connected. |
It is accessible only to the members of organization. |
Accessible only to the members of organization and external members with logins. |
No. of computers connected |
It is largest in number of connected devices. |
The minimal number of devices are connected. |
The connected devices are more comparable with Intranet. |
Owner |
No one. |
Single organization. |
Single/ Multiple organization. |
Purpose of the network |
It’s purpose is to share information throughout the world. |
It’s purpose is to share information throughout the organization. |
It’s purpose is to share information between members and external, members. |
Security |
It is dependent on the user of the device connected to network. |
It is enforced via firewall. |
It is enforced via firewall that separates internet and extranet. |
Users |
General public. |
Employees of the organization. |
Employees of the organization which are connected. |
Policies behind setup |
There is no hard and fast rule for policies. |
Policies of the organization are imposed. |
Policies of the organization are imposed. |
Maintenance |
It is maintained by ISP. |
It is maintained by CIO. HR or communication department of an organization. |
It is maintained by CIO. HR or communication department of an organization. |
Economical |
It is more economical to use. |
It is less economical. |
It is also less economical. |
Relation |
It is the network of networks. |
It is derived from Internet. |
It is derived from Intranet. |
Example |
What we are normally using is internet. |
WIPRO using internal network for its business operations. |
DELL and Intel using network for its business operations. |
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