What Is An ISP?
What Is An ISP?
What Is An ISP?
ISP means literally supplier of Internet access. It is called the provider and the word comes from the term, ISP, meaning Internet Service Provider. This service (usually free) lets you access the Internet too.
Why do you need an ISP?
If it is not a special cable (except phone line), you can not directly dial the phone line to the Internet. The phone line was not intended for such use:
It is actually intended for the transmission of voices to voice ", i.e. it has a modulation frequency equal to one voice
The phone server can communicate only to produce a phone number
The Internet provider is an agent (he is by special cables connected to the Internet) that you submit about his connection to access the Internet. This is done using a number they dial into your modem, and so is connecting.
How does your provider makes an Internet Connection?
If you connect to the Internet is a communication created between you and the provider using a protocol: PPP (Point to Point Protocol), a protocol that connects two computers with no IP address each other IhrPC has no IP address. This IP address is actually a necessary condition to access the Internet because the Internet is used in the protocol TCP / IP protocol that computers can see from this IP address.
The PPP protocol between you and your provider characteristics by itself:
A phone call
A beginning communication
The identification of the user (login of user ID)
The verification of the password (password)
Once dialled in', the provider lends you an IP address that they maintain throughout the duration of your Internet connection. This is not fixed, because the provider will assign the next free address (and he has ever ...). according to its size. Your connection is a stretched connection, as it is the provider, which passes all of your clicks, and he also receives the requested pages and then sends it on to you. Therefore, you also need Internet access for each new re-download your emails again, as it regularly is he who will receive your messages (and then on one of his stores server).
The Differences in the Providers
The choice of provider is based on many factors, such as the number and quality of services offered. The main points to look for are:
Coverage: Some providers cover only major cities from, others a national coverage, i.e. a number for which you pay the price from wherever you call
The transfer of power: These are all transfer rates of the provider. The transfer performance is divided by the number of Internet access, the more access points the weaker (the transfer of power for each access should be higher than the transmission capacity to get a good quality service)
The price: This depends on the provider and the offer, some providers even offer free access
Unlimited access to: Some providers are offering that the duration of the call will be charged, i.e. it will be settled by hours per month, if you have used up the hours, the price for each additional hour is considerably higher (the extra minutes are very expensive). Other providers offer rates without subscription, i.e. only the communication is paid (which is many times more expensive than a local call!)
Technical support: The team that will support you should technical problems occur (also called the hotline or customer service). This is normally a charged-for service, depending on the: Number of email addresses and the ability to create a separate page (HTML)
Finding the Right Offer
The Provider (ISP) offer an increasing variety of offers for the access to Internet: Free internet, Internet without contract, it all sounds very good but how do these provide free offers?
Contract with unlimited access(the traditional contract a fixed monthly amount (10-20) Access is unlimited, i.e. you can as often as you want to connect to the Internet ... only the actual connections are to be paid (will be charged at local rate).
Contract with restricted access (this type of contract has the same features as the previous one, only the basic fee is cheaper but access is limited to a certain number of hours. Skimming through this number of hours, the price increases per hour.
The free-Provider (How can these companies offer a free access? I here you ask, these deals are financed by advertising and the companies, such as 1-2-Free, can provide a premium service with no cost to the customer)
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