The Evolution of Cable High-Speed Internet

By Morgan Hamilton

The computer has altered in modern life beyond our wildest imaginations. Well, I guess I should actually say the PC and Mac. But were really splitting hairs there, either one of these is offering you a fantastic service. Since the mid-nineties, many of us have become accustomed to the home computer. More than likely we have started out with those large bulky desktop units with giant TV like monitors, but an evolution has certainly taken hold. The same can be said about our Internet service. Now a days with high-speed Internet connections we hardly remember those painfully slow dial-up days. It is now the era of cable high speed Internet.

Are you currently using a high-speed Internet service? Are you a fan of DSL or cable high speed Internet? These are common questions recently. This field is very competitive and great deals are to be had. The basic questions to ask are you offering and how much will it cost me? That sounds about right doesn't it? Oh and of course reliability is always a factor. Of course we all want cable high speed Internet, but we don't want a fat bill at the end of each month. Being a fan of cable high speed Internet myself, I have certainly tried my share of services. I first tried a brand called Roadrunner and found that it performed quite adequately. Then, because I moved across the country, I gave Comcast cable high speed Internet a shot. I had no complaints with their service overall.

More recently I relocated again. This time I had no choice but to give the local cable high speed Internet service a shot. I'm sorry to say that it didn't work out too well. While the service worked fine most of the time, the prices were higher than what I had previously experienced and a little bit more than I wanted to pay. This is never good! Shortly after acquiring this new service, I made the decision to go back to Roadrunner, which essentially provided the same service but at a lower cost.

Do you use dial-up? I hope not because I know how slow and unreliable those connections can be. Dial-up is certainly a concept of the previous millennium. And don't you hate that nasty sound when the modem is connecting to the Internet? You could be enjoying cable high speed Internet at a reasonable price? If you have yet to try cable high speed Internet, then I strongly suggest that you check it out. I think you will be pleasantly surprised at the affordable rates that are offered. While some people like to save a few bucks and go with DSL, I don't really recommend it.

I'm on the Internet quite a bit for both work and home use and I have found that there is absolutely no substitute to the speed and quality of service offered by cable high-speed Internet. The whole buzz of technology has worn off, and cable high speed Internet should become the standard bearer for every household so check it out and see for yourself.

Morgan Hamilton offers expert advice and great tips regarding all aspects concerning internet. Get more information by visiting Cable High-Speed Internet

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What is DSL and How Can It Benefit My Home or Small Business?

By Scott Pimental

DSL or xDSL is a group of technologies that provide digital data transfer over the telephone network. DSL originally stood for digital subscriber loop, but is now commonly referred to as digital subscriber line. The typical transfer speeds of DSL services range from 128 kilobits per second to 24,000 kbit/s. DSL technology was originally begun as a part of the Integrated Services Digital Network (ISDN). ISDN is a series of protocals designed implemented to allow for digital transmission of voice and data over the telephone networks standard copper wires. This resulted in better speeds and quality than the old analog system.

Most Common Forms of DSL

Asymmetric Digital Subscriber Line (ADSL) is a form of DSL that enables faster transmission of data over these same copper wires than a standard dial up modem can. It accomplishes this by using the frequencies that are normally not used by a voice telephone call, in particular, frequencies higher than normal human hearing.

The drawback to ADSL is that it is ony effective over relatively short distances. The user must be within 5 km of the telephone companies Central Office. Once there, the ADSL signal is stripped off and immediately routed onto a conventional internet network, while any voice-frequency signal is switched into the conventional phone network. This is allows a single phone line to be used for both voice and data transfer.

The most distinguishing characteristic of ADSL is that data transmission speeds are greater in one direction than the other. This is often marketed to small businesses or residential users who are most interested in accessing the internet at an affordable price. It allows for higher download speeds, thus decreasing the users time to view websites and download files. This is not recommended if one has a need to upload large quantities of information or run servers that would require large amounts of bandwidth in the other direction.

Symmetric Digital Subscriber Line (SDSL) is a DSL variant that enables the user to have the same data transfer rate in both directions. This technology has a transfer speed range of 72 to 2320 kbit/s. The primary drawback is that you must be even closer to the telephone companies central office. A maximum distance of 3 km is all that is supported. It is also much more expensive.

Typical DSL technologies include:

High Data Rate Digital Subscriber Line (HDSL), the first DSL technology that uses the higher frequesncy spectrum to transmit data

Symmetric Digital Subscriber Line (SDSL), a standardised version of HDSL

Asymmetric Digital Subscriber Line (ADSL), a version of DSL with a slower upload speed

Rate-Adaptive Digital Subscriber Line (RADSL), A variation of ADSL that adjusts the upstream speed of the connection in an attempt to maintain a specific downstream speed.

Very-high-bit-rate Digital Subscriber Line (VDSL), An improvement on HDSL that Provides a faster rate of transmission speed. It uses up to 4 different frequency bands, two for upstream (from the client to the telco) and two for downstream.

Very-high-bit-rate Digital Subscriber Line 2 (VDSL2), an improved version of VDSL Symmetric High-speed Digital Subscriber Line (G.SHDSL), a standardised replacement for early proprietary SDSL by the International Telecommunication Union

Telecommunication Standardization Sector Powerline Digital Subscriber Line (PDSL), a high speed powerline communications solution which modulates high speed data onto existing electricity distribution infrastructure

DSL Service offers small business 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. 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 service 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. What does this mean to you? Slow speeds occasionally in peak traffic hours.

Most small business 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.

Scott Pimental is an independent telecommunications consultant specializing in working with small business owners to find the best telecommunication solutions for their small business. His site, AmtecDigital.com has created a one-stop-shop interface that will allow you to see real-time price and availability of high speed internet services in your local area.
You can visit his website at http://www.amtecdigital.com

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