Thursday, January 12, 2017

INTERNET,INTRANET AND EXTRANET

INTERNET

It is the largest network in the world that connects hundreds of thousands of individual networks all over the world.
The popular term for the Internet is the “information highway”.  
INTRANET 
 
Internal company network that uses Internet standards (HTML, HTTP & TCP/IP protocols) & software.
Accessed only by authorized persons, especially members or employees of the organization
Two levels of Security required:
Internal
  It can be imposed by  Public Key Security & Encryption Key.
External
  Through Firewall.
EXTRANET
  Extranet is an Intranet for outside authorized users using same internet technology.
Inter-organizational information system.
enable outsiders to work together with company’s employees.
 

 

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