Mastering Service Mesh

Traffic routing

The following diagram shows how traffic routing works in Consul:

Let's assume that mysite.com hits the Ingress controller from outside and that the Ingress rule forwards this traffic to the Kubernetes api.consul.svc.cluster.local service at container port 8080. Through the use of proper annotation for Consul at the Kubernetes deployment level, a virtual Consul service is created that will route traffic based upon the path. If the path begins with /v1, the traffic is routed to the v1 deployment, and the /v2 path directs the traffic to the v2 deployment. However, there could be a Consul service that points to a Linux systemd ...