What is a CDN?
Content Delivery Networks (CDNs) are systems of distributed servers that deliver web content based on user location, ensuring fast, reliable access worldwide.
Understanding Caching in CDNs
Caching stores copies of content closer to users, reducing latency and load on origin servers. Surrogate keys and cache invalidation strategies are essential to keep content fresh.
Measuring CDN Performance
Key metrics like latency, cache hit ratio, and throughput help evaluate CDN effectiveness. Real-time analytics allow engineers to optimize delivery and troubleshoot issues quickly.
What is Latency?
Latency is the delay before data transfer begins after a request is made. Lower latency means faster page loads and better user experience.
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