p>Internal services are defined as services which are part of your platform
and are considered to be in the mesh. For internal services, Istio control
plane provides all the required configuration to the sidecars by default.
For example, in Kubernetes clusters, Istio configures the sidecars for all
Kubernetes services to preserve the default Kubernetes behavior of all
services being able to communicate with other.</p><p>External services are services which are not part of your platform i.e. services
which a