Broadband internet is many time faster than dial up connection. Broadband internet is high data transmission internet connection and is capable of providing 256 Kbps speed.
Broadband internet mainly divides into: DSL and Cable Modem
DSL: - DSL is abbreviation of “Digital Subscriber Line”. DSL is a type of Broadband Internet with which you can start surfing from 128 Kbps. Maximum speed of 24000 Kb/s you expect from DSL.
DSL is intended to provide high speed internet connection for home users, companies, offices or organization. DSL can be divided into ADSL, HDSL and RADSL. DSL connection requires telephone line for getting internet connection. Data transfer using your telephone line without engaging your phone, means you can make call even when you are using internet.
Copper wire that used to connect your home or office to a telephone company is used to carry both data and voice signals. Telephone use analog signals to transfer voice from one phone user to another. Computer can read only binary codes so we need a modem between your telephone line and computer for demodulating analog signal into binary numbers 0 and 1.
DSL Advantages
• You can use telephone line even when you are surfing internet.
• You can have DSL connection with your old telephone wiring. You don't need new wiring for getting DSL internet.
• Your surfing experience increase significantly than regular dialup or ISDN.
• You can view high flash website, download songs or movies, play online games with DSL connection.
DSL Disadvantage
• Its not possible to have DSL internet in all areas. For having a DSL connection you need to have telephone line.
• Your surfing speed decrease if you are not leaving closer to your telephone company office.
• Price is little higher than regular dial up.
• Downloading speed is higher compare to uploading speed.
Wireless Internet
Wireless internet is a type of broadband internet in which you do not need wired connection for internet access. You can access Internet via wireless networks. Wireless internet use WAP (Wireless Application Protocol) to give you wireless internet connection. Wireless internet uses Radio Frequency signal for accessing World Wide Web or Internet. Wireless application protocol use WAP-enabled device that connect you to wireless service provider by detecting radio signals. When internet surfer requesting a web page the request is send by a Web Server to a WAP gateway. Wireless Application Protocol has WAP encoder, script compiler and protocol adapters to convert HTTP request into WML. And WAP Gateway than send sent encoded data to your wireless device.
Wireless Internet Advantages
• Wireless internet does not require any cable for internet connection.
• You are able to get internet connection when you are traveling.
• Internet surfing speed is higher than dialup connection.
Wireless Internet Disadvantages
• Wireless internet is more expensive.
• Wireless internet depends on weather for its optimum performance.
Cable Internet
Cable Internet is a kind of Broadband Internet in which Internet connection brought to you by means of cable TV line. Anyone who has cable TV connection can get Internet connection from their existing cable provider. Cable connection that used to carry television signal is capable of transmitting hundred Mega signals. Some cable use coaxial cable for transmitting signal and some other system use fiber-optic cable that come from cable provider and than distributed to different areas.
Your cable internet provider use same cable that is responsible for cable TV. Cable modem comes into role and it downstream data into 6 MHz channel. Upstream data that internet surfer sent back to internet don't use more than 2 MHz. Cable internet company require two types of equipments for transmitting signals. Fist one is cable modem that to be fixed at internet buyers place and second one is cable modem termination system in their company.
Cable Internet Advantages
• Cable internet is faster than any dialup internet connection.
• Cable internet is always on, means you can access internet whenever you want. You don't need to dial at your internet service provider for getting internet connection.
• You can use your phone even you are using internet.
• Able to surf faster and its easy to download movies, music, images, files, etc. Also with cable internet you can even play online games.
Cable Internet Disadvantages
• You can get cable internet connection only through your cable TV service provider.
• Cost of having cable internet is much higher than dialup internet connection.
• You can not use it while you are traveling.
ISDN Internet
ISDN is an abbreviation of Integrated Services Digital Network. ISDN is a transmission system that use traditional telephone network for carrying voice, data, image and signals. ISDN is easy to use digital communication system that is capable of transferring 128 Kbps which is faster than a 28.8 Kbps modem.
ISDN connection has three different services 1. Basic Rate Interface 2. Primary Rae Interface and 3. Broadband Interface. Basic Rate Interface is widely used ISDN type that most suitable for home users.
ISDN Internet Advantages
• ISDN uses traditional telephone line for connection. You don't need any extra cable connection for it.
• ISDN bandwidth-on-demand feature make it capable of transferring data at 128 Kbps speed.
• Price is low compare to other broadband internet connection.
ISDN Internet Disadvantages
• ISDN is not an always on connection.
• It will be costly if you don't know exact tariffs of phone calls because the charge is per call.
• You can not use ISDN connection when you are traveling.
