Abstract This paper summarizes, compares and contrasts the technology behind cable modems and ADSL, discusses the limitations of both technologies, and suggests solutions to those limitations.
Part 1: Summary of the Two Related Technologies
Cable Modems
Asymmetric Digital Subscriber Lines
Part 2: Compare and Contrast the Two Related Technologies Pertaining to Cost and Performance
Cost of Cable Modems and Asymmetric Digital Subscriber Lines
Performance of Cable Modems and Asymmetric Digital Subscriber Lines
Part 3: Analyze the Limitations of the Two Technologies
Limitations of Cable Modems
Limitations of Asymmetric Digital Subscriber Lines
Part 4: Suggestions and Solutions to Overcome Limitations of the Two Related Technologies
Suggestions and Solutions to the Limitations of Cable Modems
Suggestions and Solutions to the Limitations of Asymmetric Digital Subscriber Lines
From the Paper "So are these two technologies expensive? I guess that depends on your meaning of expensive. The cost of cable modems depends on the way it is purchased. "Most users rent the modems from the cable company for just a few dollars, just as they rent their cable boxes. An Ethernet Card is required for a cost of $50.00 or so, and most companies have an installation charge of fifty to one hundred dollars.'"
Abstract This paper provides an explanation of the DSL technology and its common variations. The hardware components are explained in both descriptive and illustrative form. The paper shows several illustrations giving examples on how the technology can be used. A discussion on the various businesses that would use DSL and the unique advantages and disadvantages, is presented.
Introduction
DSL Technology and Terminology
ADSL SDSL
HDSL
IDSL
VDSL
Hardware Components of Digital Subscriber Lines - xDSL
Home Use / Small LAN
Other xDSL Standards
DSL Supplier Equipment
DSL Illustrations
Business Applications for xDSL
Summation
Works Referenced
From the Paper "In the current generation of internet connection service technologies available DSL or Direct Service Line is one of the most popular and most viable for a large number of different applications. DSL, in a very general sense, utilizes existing telephone lines to create a direct digital connection to the DSL providers substation where it shares in a guaranteed bandwidth (the size of the bandwidth is determined by pricing structures) on T1 and T3 lines owned or rented by the DSL company. Unlike cable, DSL is not affected by shared traffic. The guarantee of bandwidth means for a consistent connection speed and thus greater predictability of system load and use over the long term. DSL is available at both home and business speeds and has roughly 54% of the broadband consumer market 18.7 million subscribers worldwide, as compared to 11 million cable subscribers ("TeleChoice White Paper Challenges Inaccurate Assumptions about DSL", 1)."
Abstract This paper provides an overview of how DSL technology works, looks at the differences between ADSL (assymetric DSL) and DSL, describes which situations both technologies are more suited for, explains the vast applications of DSL technology and then takes a look at some of the shortcomings of DSL technology.
From the Paper "On May 24, 1844 Samuel Morse-inventor of the telegraph-relayed the first message ever sent electronically: "What hath God wrought!" (Reynolds 9). Clearly, Morse comprehended some of the implications this momentous achievement suggested. It is unlikely, however, that anyone fully grasped what the future would hold for communications. From the telegraph to the telephone to the internet, it appears that man-not God-demands ever progressive technologies to exchange ideas and information with those distanced from him. "This long history of technical innovation in communications ultimately brought forth an era of inexpensive high-speed data services." (Reynolds 9)."
Abstract Within the last decade, the internet has gained tremendous popularity as a media of communication, information and business. With this popularity has also come a desire for reliable, high-speed, inexpensive, and continuous service from an Internet Service Provider (ISP) to homes and businesses. The paper shows that for home users today that want fast service, continuous connectivity and a reliable connection, a cable modem connection or one of several variations of a Digital Subscriber Line (DSL) is the method of choice. The paper questions which choice is most advantageous for the home user by showing that each type has its advantages and disadvantages. It also shows that several factors to be considered are an analysis of the purpose of the connection, inherent limitations in the two different systems, price of installation as well as recurring monthly fees, the speed of the connection, and any problems that are solved or created by the choice of system.
From the Paper "Each of these types of systems has limitations. The most obvious being that not every home is wired for cable television. Even for those that do have cable television, unless they are on a system that has been modified from years past, they still will not be able to use their cable connection for connecting to the Internet. Originally cable networks were designed to only transmit data in one direction. Unless the system you can connect through has been converted, you may not be able to use a cable modem."
