1.9 Concept of internet, intranet and extranet

 

Internet

The Internet is a worldwide network of interconnected computers and devices that allows people to communicate, share information, and access various online services.

It uses TCP/IP protocols to transfer data between devices through wired or wireless connections.

Features of the Internet

i. Global network connecting millions of devices
ii. Supports communication and information sharing
iii. Uses TCP/IP protocols for data transmission
iv. Provides access to various online services

Services of the Internet

• Web Browsing
• E-mail
• Social Media
• Online Shopping
• Video Streaming
• Online Gaming

 

Uses of the Internet

• Communication
• Education and Learning
• Business and Banking
• Entertainment
• Information Sharing

 

Intranet

An Intranet is a private network used within an organization to share information, communicate, and collaborate among authorized users.

Unlike the Internet, an intranet is accessible only to members of the organization.

It uses Internet technologies such as TCP/IP, HTTP, and HTML to provide services within the organization.

 

Features of Intranet

i. Private network within an organization
ii. Accessible only to authorized users
iii. Improves communication and collaboration
iv. Uses Internet technologies such as TCP/IP, HTTP, and HTML
v. Provides secure access to organizational resources

 

Services of Intranet

• Internal E-mail
• File Sharing
• Internal Websites
• Online Collaboration
• Information Sharing

 

Uses of Intranet

• Employee communication
• Sharing documents and resources
• Accessing company information
• Improving productivity

 

Extranet

An Extranet is a private network that allows an organization to share information and resources with authorized external users such as customers, suppliers, and business partners.

It provides controlled and secure access to selected users outside the organization using Internet technologies.

 

Features of Extranet

i. Extends the intranet to external users
ii. Provides secure communication and collaboration
iii. Allows access to authorized users only
iv. Uses Internet technologies for connectivity
v. Supports information sharing with business partners

 

Uses of Extranet

• Communication with customers
• Collaboration with suppliers
• Sharing business information
• Managing business partnerships

 

Examples of Extranet

• Supplier Management System
• Online Customer Portal
• Business Partner Network

 

Difference Between Internet, Intranet, and Extranet

Basis	Internet	Intranet	Extranet
Meaning	Global public network	Private network within an organization	Private network for authorized external users
Users	Anyone can access	Employees of the organization	Employees and authorized external users
Access	Public	Restricted	Limited and controlled
Purpose	Worldwide communication and information sharing	Internal communication and resource sharing	Information sharing with partners, suppliers, and customers
Security	Less secure	More secure	Secure with controlled access
Examples	Google, Facebook, YouTube	School/Company Internal Portal	Customer Portal, Supplier Portal

 

Differentiate between Internet, Intranet, and Extranet.

Answer:

1. Internet is a public network, whereas Intranet and Extranet are private networks.
2. Internet is accessible to everyone, whereas Intranet is accessible only to employees.
3. Extranet allows access to authorized external users such as customers and business partners.
4. Intranet is used for internal communication, whereas Extranet is used for communication with external partners.