Computer Applications

Computer Networking

OVERVIEW

• Computer Networking

• Internet, Extranet & Intranet

• Why people need Internet?

• Types of Network Service Providers

What is Network?

“Network is a collection of computers and devices connected together, often wirelessly, via

communication devices and transmission media.”

What is Internet?

“The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions

and individuals.”

Internet

• External communication and collaboration within a private network

• Supply chain management

Extranet

• Internal communication and collaboration

• Business operations and management (HRMS)

Intranet

Types of Network Service Providers

Internet Service Provider

Network Services Provider

Communication Services Provider

Mobile Virtual Network Operator

• Provides clients with the internet service to access to the World Wide Web

• E.g. TMNet

Internet Service Provider

• Builds and maintains network infrastructure for corporate networks.

• E.g. Cisco, Jupiter

Network Service Provider

•Builds wireless network infra and provides mobile consumers or enterprise wireless access to mobile services and broadband.

•E.g. Maxis, Celcom

Communication Service Provider (Mobile Operator)

•Leverages on partner’s network infra to provide mobile services to consumers

•E.g, Tune Talk

Mobile Virtual Network Operator (MVNO)

Computer Applications

Computer Networking