Definition
An Internet Service Provider (ISP) is a company or organization that provides individuals and other entities access to the Internet and other related services such as web hosting, email, and domain registration. ISPs serve as a gateway for online connectivity, offering various plans typically for a monthly or hourly subscription fee. While ISPs traditionally focus on basic internet access, some also provide additional services, including digital television and VoIP (Voice over Internet Protocol).
Examples
- Comcast Xfinity: One of the largest ISPs in the United States, offering a range of services including high-speed internet, cable television, and home phone services.
- Verizon Fios: Known for its fiber-optic network, Verizon Fios provides high-speed internet, cable TV, and digital voice services.
- AT&T Internet: Provides various internet plans, including DSL and fiber-optic options, along with other telecommunications services.
- BT (British Telecom): A major ISP in the United Kingdom offering broadband internet, digital television, and telephony services.
- Cox Communications: Delivers high-speed internet, cable TV, and phone services across numerous regions in the United States.
Frequently Asked Questions (FAQs)
1. What is an ISP?
An ISP (Internet Service Provider) is a business or organization that provides users with access to the Internet and other related services, usually for a fee.
2. What services do ISPs offer besides internet access?
Besides internet access, many ISPs offer services such as web hosting, email, domain registration, digital TV, and VoIP services.
3. How do I choose the best ISP for my needs?
Consider factors like connection speed, pricing, customer service, availability in your area, and additional services when choosing an ISP.
4. Are there different types of internet connections provided by ISPs?
Yes, ISPs may offer various types of internet connections, including DSL, cable, fiber-optic, satellite, and dial-up connections.
5. Can I use the internet without an ISP?
Technically, connecting to the internet requires an ISP to provide the necessary infrastructure and network access.
Related Terms
Online Services
Online services are broader platforms that may provide dedicated content, community forums, and various services beyond basic internet connectivity, such as AOL or Yahoo.
DSL (Digital Subscriber Line)
A technology used by ISPs to provide internet access through traditional telephone lines with speeds surpassing dial-up.
Broadband
A high-speed internet connection that offers a much faster connection than traditional dial-up, usually provided by ISPs through cable, DSL, or fiber-optic networks.
Modem
A device that modulates and demodulates signals for communication between an ISP and a customer’s internet-enabled devices.
Online Resources
- The Federal Communications Commission (FCC)
- Broadband Now
- Speedtest by Ookla
- The Telecommunications Industry Association (TIA)
- Consumer Reports ISP Ratings
Suggested Books for Further Studies
- “The Internet for Dummies” by John R. Levine and Margaret Levine Young
- “Understanding the Network - A Practical Guide to Internetworking” by Bruce Hartpence
- “ISP Survival Guide: Strategies for Running a Competitive Internet Service Provider” by Geoff Huston
- “High Performance Browser Networking” by Ilya Grigorik
Fundamentals of Internet Service Provider (ISP): Internet Basics Quiz
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