Extranet: It is a private network that uses internet protocols,network connectivity, and possibly the public telecommunication system to securely share part of an organization's information or operations with suppliers, vendors, partners, customers or other businesses. An extranet can be viewed as part of a company's Intranet that is extended to users outside the company, usually via the Internet. Internet: It is a global system of interconnected computer networks that use the standardized Internet Protocol Suite (TCP/IP) to serve billions of users worldwide. Intranet It is a private network that uses Internet protocols to securely share any part of an organization's information or operational systems within that organization.
What is the difference between Internet, Intranet and Extranet? • When it comes to size of the network, Internet is the largest and consists hundreds of thousands of network devices and interconnections. Intranet size may span from hundreds to several thousands of computers. Extranet comes as a part of Intranet, so it is the smallest. • Internet is a public network. Intranet and Extranet are private networks. • Users can access Internet anonymously. Users should have valid username/password to access Intranet and Extranet. • Generally, Internet is unregulated and uncensored. But Intranet/Extranet is regulated by the organization policies. • In the nature of users, Internet has unlimited number of anonymous users. Intranet keeps limited number of predefined users who are internal members of the organization. Extranet users are mostly non-organizational users.
Internet is a “Public network” with thousands of computers (servers and clients) interconnected to share information. Clusters of computer networks are interconnected to build the network spanning all over the world. There is no centralized controller to control communication. It relies on network devices and protocols (Ex routing protocols) previously agreed upon....
Please join StudyMode to read the full document