There are four basic broadband types of access: DSL, cable modems, high-speed wi

Question

There are four basic broadband types of access: DSL, cable modems, high-speed wireless connections, and satellite dishes. Each type of access connection has its advantages and disadvantages. Imagine that you are interested in broadband access to the Internet. How are you going to decide which service is best for your needs?

Using the Internet identify two advantages and two disadvantages of each type of connection.

Identify two advantages for each type of connection.

Two disadvantages for each type of connection.

Explanation / Answer

DSL:-

Advantages:-

1.Integration:DSL will easily interface with ATM,Nx64 and WLAN Technology.Telecommuting may get even easier.

2.Indepenent services: Loss of high speed data does not mean you lose your telephone service. Imagine your telephone, television, and Internet access going out when a cable company amplifier/repeater dies.

Disadvantages:-

1.Access:Rural areas gets shorted.These markets are not profitable for the Telco.

2.Distance dependence:The farther you live from the DSLAM (DSL Access Multiplexer), the lower the data rate. The longest run lengths are 18,000 feet, or a little over 3 miles.

3.No current standardization: A person moving from one area to another might find that their DSL modem is just another paperweight. Customers may have to buy new equipment to simply change ISPs. Expect standardization within 1-2 years.

HIGH SPEED WIRELESS CONNECTIONS:

Advantages:-

1.Multiple user can access high speed internet.

2.Downloading and uploading of data very quickly.

3.Uninterrupted internet access and online video conferences possible with high speed internet.

Disadvantages:-

1.It is not available at all places.

2.These are generally expensive and very few service providers because of cost.

CABLE MODEMS

Advantages:-

1.Speed:From the beginning of the broadband wars, cable modems have outshined their DSL counterparts in terms of download speeds. DSL has closed the gap significantly, but consumer cable internet accounts are capable of up to 20Mb downstream speeds while consumer DSL accounts, even for the highest cost tier, remain at 10Mb or under.

2.Distance:DSL transmissions are adversely affected by the distance they have to travel. This is not true of cable internet. There is no signal degradation over distance meaning that a subscriber in one neighborhood receives the same quality of signal as a subscriber living in a neighborhood 10 miles further away from the substation.

Disadvantages:-

1.Availability: It’s hard to imagine, but there are still pockets of the United States without adequate cable television service. There are far fewer such pockets without residential land-line service meaning cable internet is on balance less accessible in remote areas.

2.Cost:Bandwidth equals money, so cable’s advantage in throughput comes with a price. Even in plans of similar speeds compared with DSL, customers spend more per Mb with cable than they do with DSL.

SATELLITE DISHES

Advantages:-

1.Remote areas gets benefited:It’s true that you can get satellite television from practically anywhere that you’d like. This is especially helpful to consumers that live in remote areas and don’t have access to cable companies for cable subscriptions. If cable were the only option for consumers, many people in remote areas would simply have to go without television. Satellite fixes this problem.

2.Easy troubleshoot:Satellites tend to be easier to troubleshoot than cable connections. Because of the way that satellite setups are configured, there isn’t as much that could go wrong than with a cable connection. Many times, the problems with cable connections are on the provider’s end and they can’t even be fixed until the provider decides to do something. In most cases, the problem will lie with the satellite subscriber, making it a quick and easy repair process for all.

Disadvantages:

1.Weather:The weather can have a negative impact on satellite Internet users. When the weather is rainy, cloudy, windy or snowy, satellite signal can be lost, leaving customers without service. Users must also have a clear view of the satellite to have a good signal. Trees, buildings and obstructions can block the satellite signal and make the service a less than ideal choice. The dish location plays a large part in how well the service works.

2.Fair Access Policy:A satellite Internet provider may also have a Fair Access Policy, which limits the amount of access a customer has during a specific time. When a user exceeds the usage limit the company imposes, the account is restricted for a time. The Fair Access Policy is designed to ensure that a small group of power users does not monopolize Internet access.

I think high speed wireless connections are best because they got the best advantages compared to all others.Though they are npt available at all places currently,very soon they will be introduced in all the areas including remote areas.

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