This lab uses Alibaba Cloud Server Load Balancer (SLB). It describes the session persistence function of SLB. If session persistence is enabled for an SLB instance, the SLB instance sends all session requests from the same client to the same backend server. SLB is a load balancing service that distributes traffic among multiple Elastic Compute Service (ECS) instances. SLB distributes traffic to improve the service capabilities of your applications. You can use SLB to prevent a single p