The diagram shows an Azure Load Balancer architecture in the East US region, spanning three availability zones. Gaming traffic enters through a static public IP address and is directed to an Azure Load Balancer configured with zone redundancy. The load balancer routes requests based on protocol: TCP traffic on port 7777 is sent to a backend pool containing Azure VMs labeled Session Management Service Instances, while UDP traffic on port 7778 is sent to a backend pool containing Azure VMs labeled Real-time Game Data Service Instances. Each backend pool is associated with a health probe monitoring service endpoints. The architecture includes separate subnets for each service tier, each protected by network security groups. The load balancer is configured with floating IP (DSR) for client IP preservation. Arrows from both services indicate connections to Azure Cosmos DB for player data and Azure Cache for Redis for session state. The diagram includes labels for virtual network, subnets, network security groups, backend pools, health probes, and shows the flow of traffic from the load balancer to the backend services and databases.
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