Observability
Observability Glossary Content
1. Citadel
For more information see the Citadel definition in Istio Citadel Documentation.
2. Envoy
A proxy that Istio starts for each pod in the service mesh. For more information see the Envoy definition in Istio Pilot Documentation.
2.1. Envoy Health
A health check performed by Envoy proxies, for inbound and outbound traffic: see membership_healthy and membership_total from Envoy documentation.
3. Pilot
For more information see the Pilot definition in Istio Pilot Documentation.
Figure 1. Kiali Graph