THE INTERNET CONNECTION

Two types of internet :

1. Dial-up connection
2. Broadband Internet Connection/ Direct connection

Dial Up connection :

1. Conventional Dial Up
2. ISDN( Integrated Service Digital Network

Conventional Dial Up 

to connect to the Internet, your computer dials its modem and connects to a modem attached to a computer belonging to your ISP.)
vPC has to dial via a phone line to connect
vCharacteristics of Conventional dial-u
 Slower, but cheape
 Ties up phone lines
 Relatively secure from hackers
 Example :- Jaring, TMNet


ISDN( Integrated Service Digital Network

·     also transfer data over ordinary telephone lines
·         Typically uses two phone lines to transfer data
·         ISDN requires a special ISDN modem
Characteristics of ISDN:
-    Faster, but price
  -   Doesn’t tie up phone line
- Used by businesses and individual

Digital Subscriber Line, DSL

·         Broadband delivered over telephone lines

·         Must be less than 3 miles from a switching station

·         Transmits over telephone lines but does not tie up the line

·         Fast, direct Internet access via standard telephone line

·         ADSL is one of the more popular types of DSLs

Diagram 1

Cable Internet Service/ Cable Modem

·         Cable modem: Most widely used home broadband connection

·         Provides high-speed Internet access through    the cable television network via a cable modem.

Diagram 2

Fixed wireless

·         Uses radio transmission towers rather than satellites

·         Not available in all areas

·         Expected to use WiMAX

·         Provides high-speed Internet connections using a dish-shaped antenna to communicate via radio signals.

Wi-Fi ( Wireless Fidelity)

·         Data is transmitted through radio waves

·         Public wireless networks

·         Both free and fee-based are available

Currently Wi-Fi for short range, but WiMAX may

Wi-Fi Hotspot

WiFi hotspots are places that provide a user with free or paid Internet services.

Satellite Internet service

·         Broadband option for rural areas

·         More expensive than cable or DSL

·         Available in many areas other broadband options are not

·         Provides high-speed Internet connections via satellite

·         A satellite dish communicates

Fiber to the Premises (FTTP)

·         Also known as Broadband over Fiber (BoF)

·         Delivers over fiber-optic cabling all the way to the building

·         Available in limited areas

·         Fast but expensive

·         Uses fiber-optic cable

·         Provide high-speed Internet

Cellular Radio Network

      Also known as Mobile wireless

      Access via mobile phone or device

      Offers high-speed Internet connections to devices with built-in compatible technology or computers with wireless modems.

      Example provider:- Celcom, Maxis, DiGi