CCSDS protocol stacks.

Technologies

• Synchronisation and channel coding Frame sync markers and error-correcting codes for telemetry and telecommand.
• Space data link protocols Frame-level protocols that multiplex virtual channels between spacecraft and ground.
• Space packets and encapsulation Application-level packets and IP encapsulation that carry instrument and housekeeping data.
• File delivery Reliable file transfer over intermittent space links for payload data and software uploads.
• Delay and disruption tolerant networking Bundle networking that carries data across links that come and go.
• Space data link security Authenticated encryption at the frame layer to protect commands and data.
• Telemetry and command databases Machine-readable definitions of every parameter and command so ground tools can be configured from one source.
• Navigation data messages Standard formats for orbits, tracking data and conjunctions exchanged between operators.
• Data compression Lossless and near-lossless compression that stretches limited downlink capacity.