Difference Between Intranet and Extranet

Intranet versus Extranet

Attribute	Intranet	Extranet
Geographical Distance	Within an organization	Between an organization and a supplier
Communication	Intra-Firm	Inter-Firm
Accessibility	Corporate users	Corporate users and suppliers
Entities	Employees.	Suppliers customers or other external business partners.
Linkage	Intranet is corporate LAN that uses internet technology and is secured behind the company's firewall. Links various service clients, databases and applications	an extranet extend internet uses TCP IP protocol to link intranets over the public internet
Use	Used to host databases, content management systems, staff information time clocks and bookkeeping applications, offered training module, facilitate communication with the discussion boards and serve as a central calendar for the entire company	Used to host price list that can be easily updated, take orders from customers, maintained technical documents and facilitate collaboration among multiple forms without giving any one of them access to the others entire secure network
Security	Internal risks	Risks from suppliers
Applications	Few applications of intranets are: i)Banks ii)IT companies iii)Manufacturing companies iv)Large retail companies v)Service companies (i.e., travel,hotel) vi)Publication houses vii)Consultancy firms	Few applications of extranets are: i)IT services ii)Computer companies (hardware) iii)financial Services iv)Travel v)Manufacturing vi)Professional services vii)Real estates

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