1. Towards a Cislunar Working Group Adrian Hooke Cislunar BOF Meeting 14 May 2004 CSA, Montreal

2. We’ve been here before ….. “Space Station Advisory Group” circa 1986

3. 1989-now: Communications Architecture for ISS

5. Let’s follow a success path Create an “advisory” Green Book –A baseline set of protocols that: Represents the installed base of international mission support communications infrastructure We know will work. Becomes a reference for smoking-out requirements and identifying needed new capabilities. Use this proactively as a calling-card to focus the Moon/Mars Exploration community

6. Space Networking Services Space Transport Services Space Long-Haul Data Link Space Long-Haul Coding Space Long-Haul Channel Space Proximity Data Link Space Proximity Coding Space Proximity Channel Space Surface Data Link Space Surface Coding Space Surface Channel End-to-End Space Applications Space Application Services Space Networking Services Space Link Services Space Long HaulSpace ProximitySpace Surface SPACE PROTOCOL MODEL

7. TCP CCSDS AOS, TM, TC CCSDS AOS/TM/TC Coding CCSDS RF & Mod CCSDS Proximity 1 CCSDS Prox-1 Coding CCSDS RF & Mod Currently Unspecified End-to-End Space Applications CCSDS Path IPSec, CCSDS SP FTP, CCSDS FP CFDP UDP IPv4, IPv6, CCSDS NP CURRENT SPACE PROTOCOL BASELINE Space Long HaulSpace ProximitySpace Surface