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4. Add Istio service entry with details of the remote servers (server service 03 and server service 04) to the cluster where the client is running
5. Create istio virtualservice virtual service on the client cluster with all the destination server that it wants to connect. The API calls from the client can be load balanced by assigned weightage weight to each server. This can be achieved using DestinationRule as well.
6. Verify that client pod is sending requests to servers in the order of assigned weight