Sticky Session Policy Evaluation
| Scenario | Recommended Policy | Huawei Cloud Configuration |
|---|---|---|
| Stateless applications | Sticky session not enabled | Backend server group > Sticky session not enabled |
| TCP/UDP persistent connections | Sticky sessions of the source IP address type | Backend server group > Sticky session > Source IP address |
| Simple web applications (shopping cart/login) | Sticky sessions of the load balancer cookie type | Backend server group > Sticky session > Load balancer cookie |
| Application-controlled session lifecycle | Sticky sessions of the application cookie type | Backend server group > Sticky session > Application cookie |
| Blue-green deployment | Sticky sessions between backend server groups | Advanced forwarding > Sticky sessions between backend server groups |
| Blue-green deployment + Intra-group stickiness | Inter-group sticky sessions + Intra-group sticky sessions | Advanced forwarding > Inter-group sticky session + Backend server group > Intra-group sticky session |
| WebSockets | Sticky session not required | WebSockets are inherently sticky. |
| Direct Connect/VPN access | Source IP hash (load balancing algorithm) | Backend server group > Load balancing algorithm > Source IP hash |
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