label="ADS"] sds -> ca [label="CSR"] xdsproxy -> discovery [dir=both,label="ADS"] envoy [shape=hexagon, color=purple] subgraph cluster_istioagent { label = "Istio Agent" color="orange" sds xdsproxy } subgraph cluster_istiod { label = "Istiod" color="lightblue" ca discovery } }...

[dir=none,label="Fetch Cert",color=purple] sds -> SecretManager [label="Generate certificate"] SecretManager -> cfiles [label="Write certs to file"] cfiles [label="Certificate Files"] grpc [shape=diamond] } subgraph cluster_istiod { label = "Istiod" color="lightblue" ca } }...

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