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How should you configure Apigee to route traffic to the local region backend when you have deployed an API proxy across two regions, each with its own backend hosting the API?
Apigee Instance Region 1 → Backend Region 1
Apigee Instance Region 2 → Backend Region 2
A
Create a TargetEndpoint with a weighted load balancing algorithm. Configure the API proxy to use the same weights for each region's backend.
B
Configure a regional internal Application Load Balancer in each region, and use health checks to verify that each backend is active. Create a DNS A record that contains the IP addresses of both regions' load balancers. Configure a Targetserver for each region that uses this DNS name.
C
Configure a global external Application Load Balancer and configure each region’s backend with a different regional backend service. Each region communicates to this single global external Application Load Balancer as its TargetServer.
D
Configure a TargetServer for each region's backend host names. Configure the API proxy to choose the TargetServer based on the system.region.name flow variable.