Traffic distribution of high-volume applications #

Scenarios #

• Gaming: new version release, new season release, and event promotions.
• E-commerce: shopping festivals and major retailer promotions.
• Audio and video: audio and video content updates.
• Online education: online courses and training sessions.

Description #

For a high-volume application, a single Application Load Balancer (ALB) instance can handle millions of concurrent queries per second (QPS). ALB distributes traffic across multiple backend servers based on the load balancing algorithm configured to prevent response delays due to excessive loads on a single server and enhance the overall system performance of your application.

System stability assurance #

Scenarios #

Official websites of public service agencies and enterprises, police systems, and other scenarios that require high stability.

Description #

Stability, reliability, and security are basic requirements for application systems. ALB allows you to add multiple backend servers that serve as mutual backups in a server group. ALB offers the health check feature for continuously monitoring the health status of backend servers. If a server fails, ALB swiftly isolates the server and forwards requests to servers that are running normally. This helps ensure service stability. ALB also has comprehensive security protection capabilities to defend against complex network attacks and ensure system stability.

Canary release of application updates #

Scenarios #

Digital currency systems and banking systems.

Description #

For applications that frequently update, you can use ALB and deploy multiple versions on different backend servers. When releasing a new version, you can adjust the weight ratios assigned to the servers to implement a canary release.