Internet Service Provider (ISP)
An internet service provider (ISP) is a company that provides individuals and organizations access to the Internet and other related services.
There are different size internet service providers and the lines between them are not always clear:
- Global (Tier 1) ISP: These form the backbone of the internet.
- Regional (Tier 2) ISP: These offer services in one particular area.
- Access (Tier 3) ISP: These offer access to individuals to the internet.