Internet Service Providers (ISP) are numberous and plentiful in most metropolitan areas. The services offered range from basic dial-up to dedicated T-1 lines and range in monthly fees from $10 to over $300.
Before getting into specifics, here are some capsule definitions of technical terms.
ISP - Internet Service Provider
DIAL-UP - Works on a normal phone line at audio rates. Limited to about 56k (upload and download). You can use the line for voice or modem communications but not both at the same time.
UPLOAD - The speed at which digital data is sent to the internet from your computer.
DOWNLOAD - The speed at which digital data is sent to your computer from the internet.
DSL - High speed connections that work on qualified phone lines at faster than audio rates. You can use the phone line for voice and modem communications at the same time.
CABLE - High speed connections that work on a dedicated cable TV line. In some cases an existing cable TV line may be used to provide modem service and cable TV service on the same line.
SATELLITE - Similar to cable at reduced speed. Can be added to an existing Satellite TV system with the modem service usually on a seperate LNA.
T1 - A professional quality, super high speed connection on a dedicated line.
FIREWALL - Software (sometimes implememted as firmware in routers) that limits access to your computer from the internet. It can also limit your computers access TO the internet.
Speed claims have been purposely avoided because ISPs do not guarantee upper limits on speed available. Some do guarantee the lowest speed available but these speeds are not normally found in their advertisements. You find out about them by reading the contract.
With regard to speed, dial-up is slowest at no more than 56k. Everything else is at least 8 times faster.
Speed kills the bank account. Dial-up costs from $10 to $30 a month. Broadband (cable, DSL, or Satellite) will run from $40 to $80 a month. We will ignore the T-1 lines because they are faster than most of us need and cost more than most of us can pay.
Which service is right for you depends on what is available in your area, how much money you can spend on it, and if you can justify the expense. A higher cost broadband connection is easier to justify when it is used as a business tool where your clients can help offset the cost. There is also the question of how much speed is really needed.
Dial-up works fine for e-mail text and non-graphics browsers. Most browsers can be configured to run in non-graphics mode by refusing to load pictures.
Low speed video streaming requires at least 150k download speed. High speed video streaming requires at least 300k download speed. CD quality audio streaming requires at least 192k download speed. High-speed, multiplayer games will run well at 200k. If you need two-way streaming, like would be needed in a video phone application or high speed multiplayer games, you will need the upload speed to equal the download speed. The fastest cable or DSL connection will come close to 1.5meg download (some of the time) but your best upload will only be about 300k. Most broadband services will run about 500k download and 128k upload. There is no guarantee that an $80 a month service will be significantly faster than a $40 a month service. It all depends on the ISP. Most ISPs limit upload bandwidth and many put caps on the download speed. There are no limits on Dial-up speed, probably because it is so slow.
Buying service.
Don’t sign up for service based on advertisements. Call them. Find out what the actual monthly charges will be. Determine initial connection fees, early cancellation fees, and equipment costs (if any).
Get and read a copy of the contract.
Since dial-up is the least desirable, we will get it out of the way first. Dial-up ISPs are being squeesed from the top by lower cost broadband. Broadband is still more expensive than dial-up but many people will dig deeper in their pockets to come up with a $10 differential to go to cheap broadband and discontinue the $30 dial-up.
Dial-up ISPs are also being squeezed from the bottom by very inexpensive dial-up offers starting at around $10 a month.
In my area there is one dial-up ISP which advertises a $10 per month service with no contracts. The ads claim $10 per month on a monthly basis with no penalties upon discontinuing service. I called them. The $10 per month charge was actually $11 per month and there was a $30 connection fee. That is $41 for the first month of service which falls to $11 a month thereafter. To be fair, this is still only $13 a month when taken over a 12 month period, but they do not have the $10 per month service being advertized.
The marketing tactics do not improve among the broadband ISPs. These tactics make price comparisons difficult.
Beware of bundled packages and free offers. Free firewalls like ZoneAlarm are free regardless of ISP involvement. Contact ZoneAlarm directly if you want their free firewall. Pop-up blockers and e-mail virus protection are also marketing hype of little value. Most browsers can block Pop-ups merely by disabling Java-script. E-mail viruses are propogated through attachments and HTML code. Don’t open attachments from unknown sources and configure your e-mail software to block HTML.
I have seen one broadband package that includes hundreds of LAN IP addresses at no extra charge. This may seem like a good deal to the uninitiated, but most of us already know that we have hundreds of private LAN IP addresses available at no extra charge regardless of ISP. These private IP addresses are reserved for LAN use and cannot be used as external addresses on the internet. Don’t pay for something you already have. All it takes is a NAT capable firewall. NAT capable firewalls are included as standard in most routers at under $70. You can also build your own NAT firewall by installing Linux on an old, otherwise worthless, PC which will turn it into a router firewall appliance.
When making price comparisons, concentrate only on the internet service, monthly charges, connection fees, early cancellation fees, and equipment charges. If there are equipment charges, make sure you end up with legal ownership of the equipment involved. Make sure you are not charged rental on equipment you purchased.
DSL is the ‘in’ thing today. It does provide broadband service at reasonable rates but it also has some disadvantages that might not become evident until after you have signed a 12 month contract with $250 early cancellation penalty. Here are some of those possible disadvantages.
DSL will only work on copper telephone lines that are in good condition. If your telephone connection to the central office includes any fibre optic links, DSL will not work at all. There is usually a long waiting period for DSL service while ‘they’ condition your phone line. The ‘they’ in this case is the phone company. Unless you opt to obtain DSL through the phone company, you may not have to deal with them, but you never know. The wait for DSL can be one week to one month. After that wait, you may find that ‘they’ cannot provide the service you bought. Make sure you don’t pay for anything until the service is operating to your satisfaction. Most ISPs will offer a 30 day moneyback guarantee, but it is usually better not to have to ask for your money back.
Once your phone line is conditioned for DSL, you may need re-conditioning if you decide to change your long distance carrier. You may even loose the DSL conditioning depending on what the phone company decides to do to the lines in your area. When that happens, there is a good chance that the ISP and phone company may get into a finger-pointing contest while you are being charged for a service that does not work.
DSL speed depends on your distance from the central office. If you are too far, DSL will not work at all. If you are at the distance limit, you may experience poor performance.
Cable service may be less of a potential hassle than DSL but it has its potential problems as well. On the positive side, it has the best speed for the cost. Cable is on par with good DSL service but cable can vary more in speed and may be slightly less reliable. There is no line conditioning because cable runs on its own, dedicated line (cable).
Cable service is really just a high speed ethernet. As with any ethernet network speed becomes a function of use. Heavy use with many users result in reduced speeds. It is common to see cable service speeds decline during the evening hours when more people come on-line.
I have used cable service for over five years now. It started with TCI@home. They went bust and were taken over by ATTBI. Then ATTBI was taken over by Comcast. Service has been mostly good with some outages. My e-mail addresses changed when the system went to ATTBI. Looks like they will change again when Comcast takes over completely. I just hope the rates don’t go up.
Satellite service may be a good thing but only if dial-up will not do the job and DSL and Cable are not available. It is the ISP of last resort because of equipment cost and performance. My last inquiry into Satellite service required a $600 equipment cost plus a heafty installation fee. If you want satellite TV service as well, there may be some ‘deals’ to get both, but they were not offering any ‘deals’ when I inquired. This service my be something to track because I doubt they will be too sucessful unless they drop their prices. Download speed here seems limited to about 400k with an upload of 128k, and service is interupted when it rains.
Once you have arranged for service do not hook into it without some sort of firewall. Even the free version of ZoneAlarm is better than nothing. You may want to get a copy of ZoneAlarm and learn to use it before hooking up to any Internet Service Provider.
If you are connecting the modem to a Local Area Network (LAN) you MUST have a NAT capable firewall. A router such as the Linksys NR041 will provide this function. My preference would be an LRP router, software solution using Linux, installed on an old PC.