Lab: Delay/Disruption Tolerant Networking Development Kit - Diagnostics (3.2b)

Communicating from Earth to any spacecraft is a complex challenge, largely due to the extreme distances involved. When data are transmitted and received across thousands and even millions of miles, the delay and potential for disruption or data loss is significant. Delay/Disruption Tolerant Networking (DTN) is NASA’s solution to reliable internetworking for space missions. One software option to implement DTN is NASA’s Interplanetary Overlay Network (ION).

This video describes ION diagnostics and how to use them to identify issues. It includes a description of the ion.log file, the bp statistics and bpstats command, and watch characters (single-character event notifications). Also included is a description of ‘sdrwatch’ used to examine the status of ION’s simple data recorder.