Apache SkyWalking gRPC Data Collect Protocol

The SkyWalking data collection protocol defines gRPC service definitions for telemetry data ingestion from language agents and service mesh proxies. It covers trace data (v3), JVM metrics, meter protocol, event reporting, browser performance data, instance properties, continuous profiling, eBPF profiling, and log data protocols. Agents report data to OAP server on port 11800.