VPN access to broadband (cable or DSL)
What is broadband?
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Broadband technologies offer high-speed Internet access. These technologies are an alternative to dial-up to use a traditional analog modem.
The major broadband technologies:
Cable Modem Service
Digital Subscriber Line (DSL) service
Cable modem services use the same coaxial cable or fiber optic line, cable TV in your home port. A cableModem connects users to the Internet via network cable. Due to its superior bandwidth capacity of cable modem provides greatly improved speed for users.
Provide services broadband DSL connection over the same wires that your telephone service to offer. Since DSL uses a different frequency than the phone service, you can make calls to the same line, while the PC is connected to the Internet.
With these two broad-bandThe technology, the PC is connected to the Internet.
Banda large should I?
The high-speed "always on" Internet access via broadband technologies are deployed, they offer unique advantages. Broadband and above all could benefit if:
You must be connected to the network for several hours a day from a fixed location.
You have to do with large downloads / uploads on a regular basis.
Are you a virtual worker, you can not get a reliable connection with a telephoneacceptable speed.
However, there are some things to consider when deciding if broadband is right for you:
Availability of cable modems or DSL are not available in all countries.
Broadband access cost is usually more expensive than dial-up service. Prices range from $ 40 to $ 80 per month depending on the area, the supplier and the specific type of service you need.
Security with a cable modem or DSL, always connected to your PCInternet with a persistent IP address. Since this makes you a potential target for hackers, your PC must be protected by a firewall.
Portability cable modem and DSL services are not portable. For example, should not take it with you on the go. If you need access to the network while traveling, you might need a separate dial-up ISP.
Comparing Cable and DSL modems
What is better, cable modem or DSL? There is no simple answer to this question, asEach technology has its advantages. In fact, the local availability of these technologies often decide which service you choose.
The following compares the two technologies on some important features.
Cable Modem
Requires a wired connection.
In general, faster DSL, but the speed may vary.
Cost compared to DSL may vary by location.
DSL
Requires a phone line.
Generally slower than cable, but offers aconstant speed with low latency.
Cost depends on the situation with respect to the cable.
More information about cable modem
Cable modem service can be a particularly interesting choice if you already have cable TV service, or if you only use cell phone service at home.
Find providers of cable modem services
To find out if your modem cable service to launch in your area call your local cable TV company. However, please note that some areasmore than one cable TV company. A service provider could offer cable modem, while the other does not.
Installation Problems
In general, you need only one provider (the cable company) to do with the installation of cable modem service.
Some suppliers require that a technician come to your home to install the service and set the computer with the appropriate software. Other providers offer the ability to install software and configure the cable modemitself.
In any case, you should be aware that:
Not all cable modems work with any provider of services. Before purchasing a modem, check with your provider to see which modems support check.
Although the functions of cable TV at home, you can not expect to have access to the Internet via cable, if the quality is the direction of the coaxial cable is too weak.
If you decide to install the cable modem itself, be sure to:
Ask your provider what kind of cable to use splitters.(In many cases, the cable company will provide you with a splitter.) When you buy a splitter to ensure that it provides EMI isolation, and that there is sufficient frequency range (about 5000-1000 MHz). The area should be printed on the splitter.
Place just a sliver between the point where the cable TV network enters the home and the PC / cable modems. If you have multiple TVs, divide the line between the first splitter and the TV - not the border between the splitter and theModem.
Do not use in-line amplifiers for cable modem, because you will probably distort the signals the cable modem.
More information on DSL
DSL is available in a variety of specific types of services provided. Examples include ADSL, HDSL and IDSL. Sometimes the generic acronym DSL is used in conjunction with the various types.
DSL is an "always on" direct connection to the Internet usually via a router, bridge, buildings or DSLModem.
Find DSL Provider
A good place is to check the availability of DSL in place broadbandreports.com your site. Go to the service function of research and be sure to pre-qualify the area where you live. This site can give you an idea of what the vendors support your area, how far you are from the provider, what types of DSL and options are available and indicative prices.
Be aware, however, that a supplier, this option would not be to support a widedifferent problems from a distance. This may be the case, even if they are able to pre-qualify for DSL service in your region.
Moreover, not all suppliers are listed on this site. Therefore, you should list the link in this topic and others to review.
Installation Problems
In general, you need three parties (the telephone company, DSL provider and ISP) for most of the installation of DSL services. Even if your telephone company serves all three roles aredepartments usually separate and communication between them can sometimes be misleading. In general, the ISP is the designated contact person.
As already mentioned, the DSL service usually divides the copper telephone line that is already installed in your home. However, some types of xDSL (IDSL, as some implementations) are not always simultaneously provide telephone services to the ADSL line. You should check with your ISP or telephone company providing the service. In any case, DSLcan be configured to operate on its own line installed separately.
Your DSL provider will change a date for the telephone company to install or support the line for DSL. Completed some time after the phone company this task is to install the DSL providers and check the internal wiring and equipment. Then your ISP should have a link to e-mail and other special requirements you may have setup.
During the installation of DSL service, you should be aware that:
Your DSL provider mayneed an IP address from your ISP to test the line. Make sure that the IP address required before the installation time is earned.
DSL installations is not always easy, and delays in the installation are not unusual.
Installation problems can sometimes only be effectively clarified by all parties together (eg a conference call).
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