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Utilize the latest in web application security to stop online threats
Developing and deploying a scalable, globally-available web application on conventional data centers involves a lot of manual effort which results in lower efficiency. High peaks and oscillating traffic lead to either under-provisioning or over provisioning of resources. When a user visits your site, their request goes straight to your web server, but heavy static files are served from OSS, minimizing the load on your server.
When a user visits your site the CDN automatically fetches it from OSS. Dynamic content is served by a fleet of ECS instances running behind Server Load Balancer. The number of running ECS instances can grow and shrink with demand meaning you pay only for the resources you need: you no longer need to do capacity planning. Pressure on the RDS database is reduced using a read replica.
Larger sites need to defend against attack as well as guarantee performance. Traffic from users is first sent through Anti-DDoS where malicious traffic is scrubbed. Only real user traffic is sent on to the CDN. The CDN serves static content from the nearest edge location guaranteeing high speeds for users. If content is not found the CDN automatically retrieves it from OSS. Dynamic requests are sent on to the web servers.