ISP
Definition
Internet Service Provider - a company that provides internet access to homes and businesses, connecting them to the global internet network.
Use Cases
- Netflix: Delivering streaming video reliably to millions of customers over the public internet — Netflix uses ISPs as the last-mile networks that connect end users to the internet. To improve performance and reduce congestion, Netflix deploys its Open Connect caching appliances inside or near participating ISP networks so popular content is served closer to viewers. (Improved streaming quality and reduced buffering for customers, while lowering transit costs and reducing peak traffic load for participating ISPs.)
- Starbucks: Providing Wi‑Fi internet access in retail stores for customers and supporting store connectivity needs — Starbucks locations use an ISP connection (typically broadband) to provide guest Wi‑Fi and to support store operations. Stores commonly use business internet plans with managed networking equipment and security controls to separate guest traffic from internal systems. (Better in-store customer experience through reliable Wi‑Fi and consistent connectivity for store operations.)
- Equinix (data center and colocation provider): Providing internet connectivity options for enterprises hosting equipment in colocation facilities — Equinix facilities offer access to multiple ISPs and network carriers so customers can choose providers, add redundancy, and optimize performance. Enterprises often use dual ISPs (multi-homing) and BGP routing for resilience. (Higher availability and improved network resilience for business-critical applications by avoiding dependence on a single ISP.)
Frequently Asked Questions
- What’s the difference between an ISP and a cloud provider (AWS/Azure/GCP)?
- An ISP gives you internet connectivity (the network path to the internet). A cloud provider delivers computing services like virtual machines, storage, databases, and managed networking. You typically need an ISP connection to access cloud services over the public internet (unless you use private connectivity options).
- When do I need an ISP for cloud computing?
- You need an ISP whenever your users, offices, or on‑premises systems must reach cloud services over the internet. Even if your workloads run entirely in the cloud, your employees and customers still rely on their own ISPs to access your applications. For higher reliability or performance, organizations often use business-grade ISP links, multiple ISPs, or dedicated private connections to cloud providers.
- How much does an ISP cost?
- Costs vary by location, speed (bandwidth), service type (fiber, cable, DSL, fixed wireless, satellite), and whether it’s residential or business service. Business plans typically cost more but may include better support, service-level agreements (SLAs), static IP addresses, and higher upload speeds. Additional factors include installation fees, equipment rental, data caps, and redundancy (paying for a second ISP).
Category: networking
Difficulty: basic
Related Terms
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