DSL for dummies

DSL Service offers residential customers high speed internet access for a very reasonable rate. Many people don't realize that DSL speeds of 1.5Mbps are the same as T1 speeds which top out at 1.5Mbps. What's the difference? To start with…the price. DSL costs $35 per month on average where a full T1 usually costs $400 or $500 if you're in a metro location and up to $1,000 per month if you're in a rural location. Why the high cost for T1 service without the extra speed? A T1 gives reliable service and is not shared with other subscribers or oversubscribed the way DSL is. Because it is not a shared service it carries a high cost.DSL rates offers a slightly less reliable service for a fraction of the cost. If you already have DSL Service you may have noticed that it's fast at some times and slower at other times. This is because it's oversubscribed. Oversubscription means that many people are pulling from the same resource. During the afternoon when people are at work there may be plenty of bandwidth to have, but in the evening when everyone is looking up the news, going through e-mail, or shopping online, access tends to be strained. Many people pulling from the same limited resource will find that there's only so much to go around. What does this mean to you? Slow speeds occasionally in peak traffic hours.Most residential users' biggest concern is price and that's why DSL Service is so popular among them. A few slow periods are a small price to pay for a 90 discount if you're using the service at home. So when do you need a T1?s a T1 connection better than a DSL connection? A more appropriate questions might be "Is a T1 connection MORE APPROPRIATE than a DSL connections. A T1 connection and DSL connection both offer bandwidth at high speed but have two factors that greatly differentiate them from one another. Those factors are price and realiability. A DSL connection has a low price and is less reliable than a T1 connection. A T1 is much more expensive than a DSL connection but is also much more reliable.So are you looking for reliablity or price? Reliability becomes critical when customers or employees depend on your connection for immediate responses. If your customers use your connection to access your databases or your server or the internet then reliability of your connection is critical. If your employees depend on your connections because you host the e-mail server in house or host web servers, your connections is considered critical. A critical connection can be viewed much like a life line, without which your business would be negatively impacted. Your monthly savings of having a sub-par connections will not make up for the loss in productivity of your employees or loss of customers when your DSL connections gets bogged down or cut off. To reiterate, ciritcal connections should be supported with a T1 connection.Many customers are extremely price sensitive and cannot afford the cost of a T1 which can be as much as 20 times more expensive than a full T1 connection. Residential customers who are most sensitive to price should not consider a T1 connection unless then have a business reason to pay for such a circuit and cannot access DSL service. You may get lucky and find a T1 connections that is low cost which would give you both price and realiability but be careful. Many T1's sold for less than $600 are not truely dedicated circuits and are oversubcribed. In short, if price is your critical factor go with DSL. If reliability is the critical factor purchase a dedicated T1.

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