Network cost reduction

Cross-AZ data transfer is a hidden cost that grows with traffic — keeping service-to-service communication within the same AZ eliminates per-GB transfer charges ($0.01/GB each way).

For commands to check pod distribution across AZs and identify services that would benefit from topology-aware routing, see check-cross-az-traffic.sh , and topology-aware-routing.yaml for a sample Service configured to keep traffic in-zone.

For the complete scripts and manifests, see the 10-additional-cost-saving-strategies folder in the code repository.