isp meaning

ISP, short for Internet Service Provider, refers to a company that provides households and organizations with internet access through copper, fiber, or satellite communications. Put simply, your ISP is the company you pay a subscription fee to in order to use the internet.

You may have a computer with an inbuilt modem and a router for networking, but without an ISP you cannot have an internet connection. It’s essentially the link between your computer and all the other servers out there.

Once you connect your computer to the network with a modem or router, and you type the webpage you want to access, the modem sends your request to an ISP. It checks whether you have a static IP address.

If you do, your request is processed. However, If you do not have a static address, the ISP communicates with the DHCP (Dynamic Host Configuration Protocol) server and assigns your computer a dynamic IP address. Then your request is processed by your Internet Service Provider.

What does an ISP do?
ISPs offer a variety of services to their customers. Besides internet access, they sometimes provide web hosting services, allowing users to create and maintain personal web pages. These web hosting services include domain name registration and domain name hosting.

Other services, such as telephone, dial-up access, leased line access, and television services may be provided as well. The range of services offered is unique to each ISP. Many perform backups of email and web files, offer firewalls, etc.
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