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--- cdn [2025/09/09 19:30] – miko
+++ cdn [2025/09/09 19:36] (current) – [🌍 Global Reach] miko
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+====== What is a CDN (Content Delivery Network)? ======
+A Content Delivery Network (CDN) is a system of distributed servers located around the world that work together to deliver web content to users more efficiently.
+===== Purpose =====
+The main goal of a CDN is to reduce latency and improve the speed, reliability, and security of content delivery. Instead of serving content from a single origin server, a CDN caches and delivers static assets (like images, stylesheets, scripts, and videos) from servers that are geographically closer to the user.
+===== How It Works =====
+When a user accesses a website:
+  * The CDN determines the closest edge server to the user.
+  * Static content is served from that nearby server.
+  * This reduces the time it takes for the content to load and minimizes bandwidth usage on the origin server.
+===== Benefits =====
+  * Faster load times for users worldwide
+  * Reduced server load and bandwidth usage
+  * Improved availability during traffic spikes
+  * Enhanced security features like DDoS protection and secure SSL delivery
+===== Example =====
+If your website is hosted in Germany and a visitor from Japan accesses it, the CDN will serve cached content from a server in Japan, making the site load much faster for that user.
+===== Common CDN Providers =====
+  * Cloudflare
+  * Akamai
+  * Fastly
+  * BunnyCDN
+  * Amazon CloudFront
+====== Benefits of a CDN in Second Life ======
+Second Life uses a Content Delivery Network (CDN) to distribute texture and mesh data more efficiently across the globe. This shift from simulator-based delivery to CDN-based delivery has brought several key improvements to the platform.
+===== 🚀 Performance Improvements =====
+  * Faster loading of textures and meshes
+  * Assets like avatar skins, clothing, and environment textures now load significantly faster, especially in crowded regions.
+  * Quicker region crossings and teleports
+  * Reduced load on simulator servers means smoother transitions between areas.
+  * Reduced “fuzzy” or “cloudy” avatars
+  * Avatars appear fully rendered more quickly, improving visual quality and immersion.
+===== 📉 Reduced Server Load =====
+  * CDN offloads asset delivery from simulator servers, freeing up resources for physics, scripting, and interaction.
+  * High HTTP load conditions on servers have dropped dramatically since the CDN rollout.
+===== 🌍 Global Reach =====
+  * Users outside North America benefit even more, with over 50% faster download times for textures and meshes.
+  * CDN edge servers deliver content from locations closer to the user, reducing latency.
+===== 🔧 Technical Stability =====
+• 	Improved resilience during traffic spikes or outages.
+• 	Faster recovery from load-related issues thanks to CDN redundancy and optimizations.
+===== ✅ Summary =====
+The integration of CDN technology into Second Life has:
+• 	Enhanced user experience through faster asset loading
+• 	Reduced strain on core infrastructure
+• 	Enabled more scalable and reliable virtual environments
 ====== Squid Proxy: Monitoring Logs and Editing Configuration ======
 This guide explains how to monitor Squid proxy logs in real time, edit its configuration file, and includes a sample shell script for setting up a test directory.