NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 1 September 21, 2002 NASA DATA SYSTEMS STANDARDS PROGRAM (NDSSP) CCSDS Reorganization (US Proposal) Andrew Z. Dowen NDSS Program Manager 818/

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 2 September 21, 2002  Drivers for change:  NASA’s future mission requirements  Technical discipline alignment  Current Organization & Work Item Allocation  Results of Re-Organization  New Organization  Re-allocation of Work Items  Panel SLC (Space Link Communications)  Content and Deliverables  Panel SDT (Space Data Transfer)  Content and Deliverables  Panel SSA (Space System Applications)  Content and Deliverables AGENDA

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 3 September 21, 2002  INCREASED SPACE SEGMENT CAPBILITIES  More miniaturization, more missions, more bang for the buck  Higher date rates, more powerful onboard processing  Constellations and Formation Flying  Inter Spacecraft Communications  Positioning Relative to Each Other  Autonomous Exploration  Less reliance on “Joystick Operations.”  Dynamic Response to Environment (Precision EDL, Rendezvous & Docking)  Highly networked  Re-configurable web of orbiting and landed sensors for in-situ, long-term and detailed observation, prediction and analysis.  HIGHLY DISTRIBUTED MULTI-ORGANIZATION DESIGN AND OPERATIONS TEAMS NASA’S FUTURE: MORE MISSIONS, MORE COMPLEXITY

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 4 September 21, 2002 A1A1 A2A2 AnAn Discipline 1: Applications A1A1 A2A2 AnAn Space Data Systems: Technical Disciplines Internet Space Networks Discipline 2: Networking Point To Point To Point Discipline 3: Wireless Links

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 5 September 21, 2002  New Organization  Associates related tasks and technical disciplines within new organizational elements  RE-Allocates work items  New Panels clarify responsibilities for wireless links, data networking services, and end-to-end application services  Groups tasks in related technical domains  Provides for better skills mix within Panels  Maintains most interfaces within Panels, but some cross-support needed  Finally provides a clear home for architecture and end to end activities  Provides for end to end view for some services  Cross-cuts space / ground boundary  Clean boundary between Applications and Communications  Clearly describes the role of the Technical Steering Group (TSG) Results of Re-Organization

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 6 September 21, 2002 Consultative Committee for Space Data Systems (CCSDS) Current Organization & Work Item Allocation Industry Associates ISO/TC20/SC13 Liaisons P P A A N N E E L L 3 3 SPACE LINK EXTENTION P P A A N N E E L L 2 2 INFORMATION INTERCHANGE SERVICES SPACE COMMUNICATIONS P P A A N N E E L L 1 1 MANAGEMENT COUNCIL Technical Steering GroupSecretariat XML WG Arch WG S/C M&C WG Pgm A - Data Admin & Data Management Pgm B - Data Structures Pgm C - Languages Pgm D - S/W Implementation Pgm E - Data Archives WG 1 - SLE Mgmt Svc & Ref Arch WG 2/3 - SLE Transfer Svc Spec WG 5 - SLE Transfer Svc API & Security P1A - Space Links P1B - Coding P1C - Compression P1E - RF& Modulation P1F - Upper Layer Protocols & Services P1J - Navigation P1K - S/C Onboad I/F

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 7 September 21, 2002 Consultative Committee for Space Data Systems (CCSDS) New Organization & Re-Allocation of Work Items WG E – Data Archiving PANEL SLC Space Link Communications

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 8 September 21, 2002  Re-allocation of Work Items  Conceptual Approach:  Associate like items of work based upon the ISO layer the work is at and affinities with similar tasks  Include consideration of the service interfaces elements expose to users  Where cross panel considerations arise ensure that responsibility is clearly assigned to just one working group (e.g. Nav & Trk has responsibility for their product files, the means to deliver them, and the link layer observables used to generate them)  Rationale  Panel SLC includes all link and physical layer work  Panel SDT includes all network, transport and data transfer services, including their associated user applications  Panel SSA includes all of the system level and applications level services Results of Re-Organization

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 9 September 21, 2002  The Architecture Board is considered to be a permanent element of the MC  Responsible for a clear description, evolution and control of the architecture  Responsible for documenting and maintaining the documents related to the CCSDS Domain architecture  Responsible to resolve architecture issues brought to it from MC and TSG  Membership (approved by MC):  Delegates nominated by the Panels based upon their technical expertise  No more than 7 members  Chief Architect  Selected from and by members  Two years nominal term, may be extended Results of Re-Organization (Cont.)

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 10 September 21, 2002  Technical Steering Group (TSG) is a truly technical entity  Responsible for:  Cross panel system engineering  Architecture implementation  TSG Chairman appointed by MC  Two years nominal term, may be extended  Responsible for technical progress and direction of TSG tasks  Promotes cross-panel awareness of the status and nature of the CCSDS program  Prepares executive summary of TSG progress and reports to the MC  Resolves cross panel issues  TSG Members  Panel and sub-panel chairs or their nominees  Selected technical experts  Others by invitation Results of Re-Organization (Cont.)

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 11 September 21, 2002  Panel SLC (Space Link Communications)  Content  WG A - Space Links  WG B – Coding  WG C – Compression  WG D - RF & Modulation  WG E - Optical Comm Includes all physical and link layer standards Supports any future work across coding / modulation boundary, and any interactions between compression, link and coding layers Compression is included because it has skills in common with coding and there may be interactions Includes new optical comm physical and link layer standards as they are required and any mods to existing standards to accommodate characteristics of optical comm Results of Re-Organization (Cont.)

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 12 September 21, 2002  Panel SLC (Space Link Communications)  Products  WG A - Space Links  Revised Prox-1 Red Book and Green Book for Space Link Identifiers, include SAMU  Update Prox-1 Reference Implementation to conform to revised Red Book  Studies of Unified Link Layer & DVB-S  Application Profiles for Mars  WG B – Coding  Coding Green Book  Study of high rate codes and integrated coding & modulation approaches  WG C – Compression  WG D - RF & Modulation  Modulation Green Book with Power and Bandwidth Efficient modulation approaches  Studies of H/W distortions and effects of UWB emissions  WG E - Optical Comm  Optical Comm coping and modulation standards  Pink Sheets for other link layer books as needed Results of Re-Organization (Cont.)

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 13 September 21, 2002 Results of Re-Organization (Cont.)  Panel SDT (Space Data Transfer)  Content  WG A - Upper Layer Protocols & Internet Services  WG B - S/C Onboard I/F, including Message Transfer & Middleware Svcs  WG C - Product Transfer Svcs (include SLE & CFDP)  Includes all network, transport, and upper layer data transfer standards and any related data transfer application interfaces  Includes all SCPS protocols and data transfer applications, gets support from Panel SSA for security  Includes S/C onboard I/F includes all layers up to message transfer and middleware from old P1K. includes S/C specific services like C&DA, will get support from Panel SSA for S/C Mon & Con Deliverables  Supports Panel SSA for message & file transfer and for service product transfer (Operability, Nav & Tracking)  Includes new IPN protocols such as bundling and any related data transfer application interfaces  Will include interfaces to commodity service providers as needed

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 14 September 21, 2002 Results of Re-Organization (Cont.)  Panel SDT (Space Data Transfer)  Deliverables  WG A - Upper Layer Protocols & Internet Services  SCPS extensions and sustainment  Distribute & support infusion  WG B - S/C Onboard Interfaces, including Message Transfer & Middleware Svcs  Draft Red Books for SOIF Data Link and Physical layers  Draft red Books for SOIF Network and Transport layers  Draft Red Book for Message Transfer Service  Develop reference implementation of Message Transfer Service API  Internet in Space Application profile  WG C - Product Transfer Svcs (include SLE & CFDP)  SLE Transfer Service Blue Books (RAF, RCF, CLTU)  Draft CFDP revised Red Book with extended procedures & Store & Forward Overlay (SFO)  Update Reference Implementation to conform to new Red Book  Draft Red Book for File and Data Product Management

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 15 September 21, 2002 Results of Re-Organization (Cont.)  Panel SSA (Space System Applications)  Content  WG A - Operability Standards (to include S/C M&C)  WG B - Service Request & Management (include XML)  WG C - Tracking & Navigation  WG D – Security  WG E – Data Archiving  Operability Standards will include S/C Monitor and Control as well as looking at end to end issues like power and thermal management, data management & accountability, distributed system management  Service Request & Management interfaces focus on operational interfaces developed using XML. This will include common data dictionary, glossary, operational interface identification and access mechanisms, and basic standards for operational information exchange.  Tracking and Navigation includes orbital data and ephemeris exchange, gets support from SDT for data transfer and SLC for observables  Security is a cross-cutting concern at all layers of the stack, provides support to other Panels as needed

NASA HQ Office of Space Flight NASA DATA SYSTEMS STANDARDS PROGRAM ( NDSSP ) NASA’s CCSDS REORGANIZATION PROPOSAL Page: AZD - 16 September 21, 2002 Results of Re-Organization (Cont.)  Panel SSA (Space System Applications)  Deliverables  WG A - Operability Standards (to include S/C M&C)  Study on applicability of monitor & control approaches to space  WG B - Service Request & Management (include XML)  Draft SLE SM/SR XML specification  Draft standard data element & glossary specification using XML  Draft standard schema for packaging data in XML for interchange  WG C - Tracking & Navigation  Draft Red Book for attitude, environmental models and astrodynamical constant interchange  Blue Book for Trajectory Data interchange, including transfer service spec  WG D – Security  Updated Security Green Book  Draft Space Communication System Security Threat Assessment  WG E – Data Archiving