NDT (Network Diagnostic Tool) - M-LabMeasurement Lab is led by teams based at Code for Science & Society; Google, Inc; and supported by partners around the world. Learn more about M-Lab. Get Involved. NDT (Network Diagnostic Tool) NDT is a single stream performance measurement of a connection’s capacity for “bulk transport” (as defined in IETF’s RFC 3148. NDT measures “single stream performance” or “bulk transport capacity”. NDT repo
