This article will also focus on GKE Gateway, but now we're going to explore Internal Regional Gateway for load balancing east-west traffic (i.e. service-to-service) to your application. Leveraging our learnings from my previous post, we'll include the GKE external gateway in this architecture while using the Internal Regional Load Balancer gatewayclass (gke-l7-rilb) to load balance the service-to-service communications in the Bank of Anthos application.