INTERNET, INTRANET, EXTRANET

INTERNET..

- The Internet is a global system of interconnected computer networks use the standard
Internet Protocol Suite (TCP/IP) to serve billions of users worldwide

- It is a network of networks that consists of millions of private, public, academic,
business, and government networks, of local to global scope, that are linked by a
broad array of electronic and optical networking technologies

INTRANET..

- An intranet is a private computer network
- Use Internet Protocol technologies to securely share any part of an organization's
information within that organization
- Example of intranet application: telephone directories, job posting, event
calendars
- Example employees can access the company information by using username and password

EXTRANET

- An extranet is a private computer network which allows partner/vendors/customer
or suppliers to access part of its intranet.
- Also need username and password to access the company information
- Example such as an online banking application managed by one company on behalf of
affiliated banks