end
    subgraph Server Node
        Server
        SZ["Ztunnel"]
    end
    Client--Plain-->CZ
    CZ-."HBONE (target)".->Server
    CZ--"HBONE (actual)"-->SZ
    SZ--Plain-->Server
```

### Pooling

User connections can be multiplexed over shared HBONE connections.
This is done through standard HTTP/2 pooling.
The pooling is keyed off the `{source identity, destination identity, destination ip}`.

{
  "workloads": {
    "network1/10.244.2.54": {
      "workloadIps": [
        "10.244.2.54"
      ],
      "waypoint": {
        "destination": "/10.96.65.117",
        "port": 15008
      },
      "protocol": "HBONE",
      "uid": "Kubernetes//Pod/bookinfo/ratings-v1-6484c4d9bb-mdxm5",
      "name": "ratings-v1-6484c4d9bb-mdxm5",
      "namespace": "bookinfo",
      "trustDomain": "cluster.local",

			got := GetRevisionFromPodAnnotation(tc.anno)
			assert.Equal(t, tc.expected, got)
		})
	}
}

func TestFindProtocolForPort(t *testing.T) {
	http := "HTTP"
	hbone := "hbone"
	cases := []struct {
		port             corev1.ServicePort
		expectedProtocol string
	}{
		{
			port: corev1.ServicePort{
				Name:     "http",
				Protocol: corev1.ProtocolTCP,
			},

			},
			Spec: gateway.GatewaySpec{
				GatewayClassName: constants.WaypointGatewayClassName,
				Listeners: []gateway.Listener{{
					Name:     "mesh",
					Port:     15008,
					Protocol: gateway.ProtocolType(protocol.HBONE),
				}},
			},
		}

		// only label if the user has provided their own value, otherwise we let istiod choose a default at runtime (service)