- 上游主机间的流量转移
- 多上游主机的流量分流
- user-agent
- server
- x-client-trace-id
- x-envoy-downstream-service-cluster
- x-envoy-downstream-service-node
- x-envoy-external-address
- x-envoy-force-trace
- x-envoy-internal
- x-forwarded-client-cert
- x-forwarded-for
- x-forwarded-proto
- x-request-id
- x-ot-span-context
- x-b3-traceid
- x-b3-spanid
- x-b3-parentspanid
- x-b3-sampled
- x-b3-flags
- Custom request/response headers
- x-envoy-decorator-operation
- x-envoy-downstream-service-cluster
- x-envoy-downstream-service-node
- x-envoy-expected-rq-timeout-ms
- x-envoy-external-address
- x-envoy-force-trace
- x-envoy-internal
- x-envoy-max-retries
- x-envoy-retry-grpc-on
- x-envoy-retry-on
- x-envoy-upstream-alt-stat-name
- x-envoy-upstream-rq-per-try-timeout-ms
- x-envoy-upstream-rq-timeout-alt-response
- x-envoy-upstream-rq-timeout-ms
- x-forwarded-client-cert
- x-forwarded-for
- x-forwarded-proto
- x-request-id
- 按代理客户统计
- 按监听端口统计
- 统计