Application Scenarios
Service Distribution
For websites with heavy traffic or internal office systems of governments or enterprises, ELB helps distribute service loads to multiple ECSs, improving service processing capabilities. ELB also performs health checks on ECSs to automatically remove abnormal ECSs and distribute service loads to healthy ones, ensuring service continuity.
Service Expansion
In scenarios where traffic fluctuates obviously, for example, video or e-commerce websites that feature unpredictable service expansion, ELB can automatically scale its handling capacity. ELB can work with Auto Scaling (AS) to ensure smooth service running and minimize the costs.
Access Control
Governments and some enterprises often have high requirements for network connectivity and security. Integrating ELB with Virtual Private Cloud (VPC) can separate web servers from database servers and deploy them in different subnets. Web servers can access the Internet, while database servers work in the intranet to ensure data security.
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