| Legacy Feature | Replacement in OC2 v1.0 | |----------------|--------------------------| | JSON-RPC on port 8080 | gRPC on port 50051 (TLS only) | | Modbus RTU (serial) | Modbus TCP with secure proxy | | Plaintext syslog | RFC 5424 over TLS (port 6514) | | Legacy jcac-set command | oc2-cli with JSON output |