Working on two routing / proxying projects. grpc-comparator proxies between an original service, and it's replacement calculating timing and any deltas in resp

Working on two routing / proxying projects. grpc-comparator proxies between an original service, and it's replacement calculating timing and any deltas in responses. You instruct it which response attributes you care about. edge-flipt uses/abuses Istio ext_authz to inject headers derived from flipt snapshot evaluations for downstream consumption, including VirtualService route selection.