config for the rest.

All internal services ( telemetry, pilot debug ports, mesh expansion ) can now be configured via the new mechanism.

# Migration from istio-system

Istio 1.0 includes the gateways in istio-system. Since the external IP is associated
with the Service and bound to the namespace, it is recommended to:

1. Install the new gateway in a new namespace.

-- TLS secrets and domain name management is isolated, for better security
-- simplified configuration
-- multiple versions of the ingress can be used, to minize upgrade risks

- the new chart uses the default namespace service account, and doesn't require
additional RBAC permissions.

- simplified label structure. Label change is not supported on upgrade.

- for 'internal load balancer' you should deploy a separate gateway, in a different