https://github.com/istio/istio/issues/3495#issuecomment-366792548 and https://github.com/istio/istio/issues/3495#issuecomment-368103835 (ingress spec vs ingress component) are confusing and it's now showing on https://istio.io/docs/performance-and-scalability/scenarios/ so users get confused cc @mandarjog (fyi @danehans )