istio v1.31.0

VirtualService.spec.http[].route[].destination.port.spec.tcp.route.destination

Destination uniquely identifies the instances of a service to which the request/connection should be forwarded to.

VirtualService.spec.http[].route[].destination.port.spec.tcp.route.destination fields and descriptions
Field / Type	Description
host `string` required	The name of a service from the service registry.
port `object`	Specifies the port on the host that is being addressed.
subset `string`	The name of a subset within the service.