What is Internet Intranet and Extranet with examples And Differences Between Internet Intranet And Extranet .

What is Internet , Intranet and Extranet with examples And Differences Between Internet , Intranet And Extranet .

Introduction :

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Internet :

The internet is also called Net , it is a world wide system for computer networks i.e. a network of network in which users at any one computer can if they have permissions , get informations from any other computer .
Internet means of connecting a computer to any other computer anywhere in the world via dedicated routers and servers . When two computers connected over the internet , they can send and recieve all kinds of informations such as text , graphics , voice , video and computer programs . Now all kinds of informations such as text graphics , voice , video and computer programs . No one owns Internet , although several organizations the world over collaborate in its functioning and development . The high speed , fibre optics cables called backbones through which the bulk of the internet data travels are owned by telephone companies in their respective countries .

Uses Of Internet :

Electronic Mail
Banking
Social Networking
Online Forms
E Governance
Employments
Ecommerce
Downloading Files

Some More details about Internet :

The internet is defined as a global network connecting millions of computers . the internet is decentralized it does not depend on any centralized server . each internet computer , called a host , is independent . there are variety of ways to access the internet .

Is Internet and Web The Same :

internet is not same as web because internet is a massive network of networks , a networking infrastructure . The Web is a way of accessing informations over the medium of the internet . It connects millions of computers together globally , forming a network in which any computer can communicate with any other computers as long as they are both connected to the internet .

Intranet :

An intranet is a private network that is contained within an enterprise . It may consists of many interlinked local area networks and also used leased lines in the wode area network . Typically , an intranet includes connections through one or more gateway computers to outside internet . an intranet can also be used to facilitate working in groups and for teleconferences . an internet is a private network based on TCP/IP protocols , belonging , to an organization , usually a coorporation , accessible only by the organization , usually a coorporation , accessible only by the organization member , Employments or others with authorization . An intranet websites and softwares applications look and acts just like any others , but the firewall surrounding an intranet puts a barrier to any unauthorized services and access them .

Applications Of Intranet :

Most Applications are similar to the internet applications such as browsers , messangers , and document publishing software .

Some More details about Intranet :

an intranet is designed for allow the company to share informations with others company . An intranet is a private network accessible only to an organization staffs , a wide range of informations and services are available on an organization internal intranet that are unavailable to the public , unlike the internet . it is established between more and more technologies like wide area network and local area network . It has a good workforce activity it becomes very faster and use applications relevant to their responsibilities and their roles .

Extranet :

an extranet is a controlled private network allowing customers , partners , vendors , suppliers , and other businesses to gain informations , typically about a specification of extranet is that of about a specific company or educational institution , and do so without granting access to the organization entire network .

some more details about extranet :

an extranet requires security and privacy . these can include firewall servers management , the issuance and use of digital certificates or similar means of user authorization and authentication , encryption and the use of VPN virtual private network that tunnel through the public network . it has ability to exchange large volumes of data using electronic data incharge or interchange . sharing products data or catalogs with business partners . joint company collaborate and training . it has some limitations which are it is very expensive and maintainence if hosted internally it is very compramised sensitive and security of extranets can be concern .

Uses Of Extranet :

share product catalogs exclusively with wholesalers .
share news of common interest exclusively with partner companies .
Provide or access services provided by one computer to a group of other companies , such as an online banking applications managed by one company behalf of affiliated banks .

Internet Vs Intranet Vs Extranet :

Hey Guys Now you will totally understand about internet intranet and extranet so we can determine Differences between them but dont worry now i will give you a good table for you by which you can easily understand differences between internet intranet and extranet so lets be get ready to start ...

Detailed Features	Internet	Intranet	Extranet
Types of network	internet is public network	intranet is private network	extranet is private or vpn type of network
policy	in internet communication protocol policy are used .	in intranet organizational protocol policy are used .	in extranet organizational protocol and contractual policy are used .
accessibility	anyone can access internet.	authorized people only access intranet.	authorized people only access extranet .
owner	internet can not be owned by anyone .	owned by a particular organization .	owned by a particular organization by one or more .
size	larger size of internet .	limited number of connected devices.	limited devices of connected networks devices over internet .
security	in internet security depends on the device .	intranet is firewall protected.	Firewall differentiate internet and extranet .