The ELB distributes user requests to different web servers based on load balancing policies.
Elastic Cloud Servers (ECSs) function as web servers and works with the Auto Scaling (AS) service to automatically scale up and down based on service requirements.
Multiple applications are deployed on ECSs to build reliable application clusters order, such as warehousing, logistics, payment, and business intelligence (BI) systems。
Use the Distributed Cache Service (DCS) deployed by users to cache data, including product catalogs and session information, thereby accelerating service visits, reducing database pressure, and improving the concurrent access request processing capability. Use the Relational Database Service (RDS) to store the concurrent access request processing capability.