Constant RPC_SYSTEM_NAME 

pub const RPC_SYSTEM_NAME: &'static str;

Available on crate features opentelemetry and semconv_experimental only.

The Remote Procedure Call (RPC) system.

Notes

The client and server RPC systems may differ for the same RPC interaction. For example, a client may use Apache Dubbo or Connect RPC to communicate with a server that uses gRPC since both protocols provide compatibility with gRPC