Definition
Content delivery refers to the process of distributing digital content, such as web pages, videos, or software updates, to end-users efficiently and reliably. This is achieved by strategically placing copies of the content on servers located geographically closer to the users. Content delivery is crucial for ensuring a positive user experience by minimizing latency and maximizing availability, especially during peak demand. For example, a popular streaming service uses a global network of servers to deliver video content to viewers worldwide, reducing buffering and playback interruptions. Unlike simple file transfer, content delivery emphasizes speed, scalability, and fault tolerance. This concept is frequently tested in IT certifications like CompTIA Network+ and AWS Certified Solutions Architect Associate.