You must have heard, talk and discussion of what it's internet, intranet and extranet. But, do you ever know a specific understanding about the three things above?
If you know a more complete igin three things above, follow the explanations below.
INTERNET
Internet is derived from the word that has meaning Interconnection Networking computers with different types of relationships that form a network system that covers the whole world (the global computer network) by means of telecommunications such as telephone lines, radio links, satellite and others.
In regulating the integration of computer networks and communication protocols used are TCP / IP. TCP (Transmission Control Protocol) shall ensure that all links work properly, while the IP (Internet Protocol), which transmits information from one computer to another. TPC / IP in general serves to choose the best route of transmission of data, choose an alternate route if a route can not be in use, manage and transmit data packets delivery.
To be able to participate and use the facilities of the Internet, you usually have to subscribe to an ISP (Internet Service Provider) that exist in your city. ISPs are usually called Internet service providers or you can use the facilities of Telkom Instant Telkomnet.
By utilizing the Internet, the use of computers around the world it is possible to communicate with each other and sharing information with each other how to send e-mail, connect to another computer, send and receive files, discuss certain topics in the newsgroup and others.
INTRANET
Intranet is a computer network based TCP / IP protocol such as the internet it's just used in the inner company, office, and even internet cafes (WARNET) joke can be categorized Intranet. Inter-Intranet can communicate with each other through the Internet connection that provides the backbone of long distance communication. However, actually an Intranet does not need external connection to the Internet to function properly.
Intranet use all the custom TCP / IP, IP address, and other protocols), the client and server. HTTP protocol and several other Internet protocols (FTP, POP3, or SMTP) protocol is generally a component that is often used. an intranet can be understood as a "personal version of the Internet", or as a version of the Internet that are owned by an organization.
If a corporation / business / institution to expose a portion of the inner network to the outside community, this is called extranets. It usually does not remove all the content on the intranet to the public to make the intranet to extranet. For example we're buying software, books, etc. from an e-store, then usually we can access the Intranet portion of the store. Business entity / company can block access to their intranet via a router and put a firewall.
A firewall is a software / hardware that regulates a person's access into the intranet. Protection is done through a variety of network parameters if it's IP address, the number of piers, etc.. If the firewall is enabled then the access can be controlled so that we can only access a part of the company's Intranet which became known as an extranet.
EXTRANET
Extranet or Extranet is a private network that uses Internet protocols and public telecommunication system to share some information or business operation safely to the dealer (supplier), the seller (vendor), partner (partner), customers and others.
Extranet can also be interpreted as a corporate intranet that widened to users outside the company. Companies that build the extranet can exchange information with a large volume of EDI (Electronic Data Interchange), collaborate with other companies in a network of cooperation and others.
Conclusion
Internet, Intranet and Extranet, the trio is of o can be left in the current epoch complicated. All of which has its own function which is useful for the survival of the company, access to information and the development of the technology world.
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