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SISG - SSI ADD

SISG - SSI ADD. Service, Physical, and Protocol View Document Figures Ver 0.4, 2 Sept 09 Peter Shames, et al. Solar System Internet Service Provider (SS-ISP) User access points. SSI. User Applications. User Applications. I. I. Network n. Network 2. Network 1. II. I. II. I. II.

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SISG - SSI ADD

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  1. SISG - SSI ADD Service, Physical, and Protocol View Document Figures Ver 0.4, 2 Sept 09 Peter Shames, et al

  2. Solar System Internet Service Provider (SS-ISP) User access points SSI User Applications User Applications I I Network n Network 2 Network 1 . . II I II I II Participating Network Peering Points

  3. Network layer Service Access Points SSI User Applications User Applications I I BP, IP BP, IP delay-unaware apps delay-aware apps BP LTP UDP IP Link Physical

  4. SSI and user assets on some planetary surface User nodes SSI and user assets on the Earth Planetary WANs User nodes User nodes Planet-Space Link Terminals Earth-Space Link Terminals Terrestrial WANs Spaceborne Relays SSI and user assets in space User nodes

  5. Earth / Planet Space Link Terminal Earth User Node CCSDS Cross Support Service Management Space Comm Elements Mission User SSI Service Infrastructure SM I/F SM I/F Service Management Interface Forward Data Delivery Services Service Delivery Interfaces Space Link Return Data Delivery Services SD I/F SD I/F Service Provision Radiometric Services CCSDS Cross Support Transfer Services & SSI Positioning & Timing Services Service Production

  6. Request SSI service for mission XYZ using standard configuration abc Request Example: Mission User SSI Service Execution Space Missions Scheduling and Control Functions Mission Planning, Scheduling and Execution Functions Service Agreement DB Service Agreement DB Config Profile DB Config Profile DB Network scheduling Mission scheduling Mission Planning Manager SM I/F SM I/F Service Management Interface Equipment configuration, control, monitoring Mission planning Mission User Service Delivery Interfaces FDF 1 Service Users 2 3 Station S67 Service Execution Resources Service Delivery Example: • Forward SSI service • 2. Return SSI service • 3. Emergency end node delivery service

  7. Request TT&C service using mission XYZ standard configuration abc via Portal Request Example: Mission User SSI Service Execution Space Missions Scheduling and Control Functions Mission Planning, Scheduling and Execution Functions Service Agreement DB Service Agreement DB Config Profile DB Config Profile DB Network scheduling Mission scheduling Mission Planning Manager SM I/F SM I/F Service Management Interface Equipment configuration, control, monitoring Mission planning Service Delivery Interfaces FDF 1 Service Users 2 Mission User 3 Station S67 Service Execution Resources Service Delivery Example: 1. Raw Radiometric service 2. Forward CLTU telecommand service 3. Return All Frames telemetry service

  8. Earth / Planet Space Link Terminal Space User Node SSI Service Infrastructure SM I/F Mission User Forward Data Delivery Services Return Data Delivery Services SD I/F Service Provision Service Delivery Interfaces Radiometric Services SD I/F SD I/F Positioning & Timing Services Service Production CCSDS Space Link & SSI Services

  9. Space Comm Relay / Link Element Earth / Planet Space Link Terminal SSI Service Infrastructure SSI Service Infrastructure SM I/F SM I/F Forward Data Delivery Services Forward Data Delivery Services Return Data Delivery Services Return Data Delivery Services SD I/F Service Provision SD I/F Service Provision Service Delivery Interfaces Radiometric Services Radiometric Services SD I/F SD I/F Positioning & Timing Services Positioning & Timing Services Service Production Service Production CCSDS Space Link & SSI Services, Peering Service Management in-band

  10. User nodes User Applications End-to-End user application communications using SSI services Planetary WANs User nodes User Applications User nodes User Applications Planet-Space Link Terminals Earth-Space Link Terminals Terrestrial WANs Spaceborne Relays Network-network interface controlled by Peering Agreement User access interface controlled by User-Provider SLA User nodes User Applications

  11. Earth / Planet Space Link Terminals Earth / Planet Space Link Terminal Space UserAccess Service Management Xmit / Recv Network Control Space Asset Access WAN Access Space Link Layer Processing Gnd Link Layer Processing Network Layer Processing Data Store

  12. Spaceborne Relays Spaceborne Relay Earth-Space Terminal Access Space UserAccess Service Management Xmit / Recv Xmit / Recv Network Control Planet-Space Terminal Access Space Link Layer Processing Space Link Layer Processing Network Layer Processing Data Store

  13. Spaceborne Relays Spaceborne Relay Earth-Space Terminal Access Space UserAccess Service Management Xmit / Recv Xmit / Recv Network Control Planet-Space Terminal Access Space Link Layer Processing Space Link Layer Processing Emergency Comm Processing Network Layer Processing Data Store

  14. Terrestrial/ Planetary WANs Terrestrial / Planetary WAN Ground UserAccess Service Management Network Control Gnd Link Layer Processing Gnd Link Layer Processing WAN Access Earth - Space Link Terminal Access Network Layer Processing Data Store

  15. User nodes Generic User Node Space LinkAccess User Applications Xmit / Recv Space Link Appl Svcs Application Layer Svcs Space Asset Access WAN Access Space Link Layer Processing Gnd Link Layer Processing Network Layer Processing Data Store

  16. User nodes Space User Node Space LinkAccess User Applications Xmit / Recv Space Link Appl Svcs Application Layer Svcs Space Asset Access Space Link Layer Processing Network Layer Processing Data Store

  17. User nodes Surface User Node User Applications Application Layer Svcs WAN Access Gnd Link Layer Processing Network Layer Processing Data Store

  18. User nodes Space User Node Space LinkAccess User Applications Xmit / Recv Space Link Appl Svcs Application Layer Svcs Space Asset Access Space Link Layer Processing Data Store

  19. Hybrid nodes Space UserAccess Hybrid Science / Relay Node User Applications Xmit / Recv Xmit / Recv Planet-Space Terminal Access Space Link Appl Svcs Application Layer Svcs Earth-Space Terminal Access Space Link Layer Processing Space Link Layer Processing Network Control Network Layer Processing Data Store

  20. Service Users File Pkt V/V Inet AOS Bit Rad Voice / Video Space Packet Application Validated Radiometric File Delta-DOR Position Time Internetworking Packet (DTN / IP) App Data & Files Position & Time Radiometric Transport Network Internetwork CLTU / AOS Frame Link Bit-stream Physical Raw Radiometric FORWARD Frame Physical / Bitstream Radiometric & Tracking

  21. Scenario n.6 (Basic) – ABBA All DTN DTN DTN DTN DTN Earth-Space Link Terminal Spaceborne Relay Space User Node Ground User Node Files Space Packets Space Packets Files CFDP CFDP DTN DTN DTN BP BP BP BP BP LTP TCP/IP LTP LTP TCP/IP TCP/IP Encap Encap Encap Encap Encap Encap Packet SAP Packet SAP TM/TC/AOS Prox-1 Prox-1 TM, TC, AOS Prox-1 TM, TC, AOS Cod. RF & Mod Cod. RF & Mod Lander - Orbiter CCSDS Protocols Terrestrial WAN Orbiter - Ground CCSDS Protocols CFDP, DTN, Encapsulation Packet and TM/TC/AOS Frame services CFDP, DTN, Space/Encapsulation Packet and Prox-1 Frame services DTN over TCP/IP Spacelink Spacelink Terrestrial Networks

  22. Scenario n.6 (Basic) – ABBA All DTN • Description • This scenario depicts the transfer of files and packets to a single Agency A Lander using the support of a Ground Complex (including the orbiter GDS) and an Orbiter provided by Agency B. • Both Agency A and B implement DTN. • End to end services • Bidirectional transfer of files between the Lander and its control centre (CFDP over DTN) • Bidirectional transfer of packets (SPP or Encap) between the Lander and its control centre (SPP/Encap over DTN) • Ground cross support services • Bidirectional transfer of DTN bundles between Lander Control Centre and Ground Complex (DTN over Encap) • Space-Ground CCSDS services • Bidirectional DTN over LTP reliable link • Bidirectional Encapsulation Packet transfer • Bidirectional TM/TC/AOS frame transfer • Space-Space CCSDS services • Bidirectional DTN • Bidirectional Prox-1 Packet transfer (Packet SAP of Prox-1) • Agency specific functions • Agency B Orbiter must handle • DTN routing and store & forward services

  23. Scenario n.6 (Extended) – ABBA All DTN DTN DTN DTN DTN Earth-Space Link Terminal Spaceborne Relay Space User Node Ground User Node Files Space Packets Direct TM/TCProxy Direct TM/TC Space Packets Direct TM/TC Files CFDP CFDP CFDP CFDP DTN DTN DTN BP BP BP BP BP LTP TCP/IP LTP LTP TCP/IP TCP/IP Encap/ SPP SPP Encap. Encap SPP Encap Encap Encap UDD SAP Packet SAP UDD SAP Packet SAP TM/TC/AOS Prox-1 Prox-1 TM, TC, AOS Prox-1 TM, TC, AOS Cod. RF & Mod Cod. RF & Mod Lander - Orbiter CCSDS Protocols Terrestrial WAN Orbiter - Ground CCSDS Protocols CFDP, DTN, Encapsulation Packet and TM/TC/AOS Frame services CFDP, DTN, Space/Encapsulation Packet and Prox-1 Frame services DTN over TCP/IP Spacelink Spacelink Terrestrial Networks

  24. Scenario n.6 (Extended) – ABBA All DTN • Description • This scenario depicts the transfer of files, packets and Direct TM/TC to a single Agency A Lander using the support of a Ground Complex (including the orbiter GDS) and an Orbiter provided by Agency B. • This is the same as Scenario 6 (Basic), but with extended functions for specialized and emergency communications handling • Both Agency A and B implement DTN. • End to end services • Bidirectional transfer of files between the Lander and its control centre (CFDP over DTN) • Bidirectional transfer of packets (SPP or Encap) between the Lander and its control centre (SPP/Encap over DTN) • Bidirectional transfer of (packetized and non packetized) Direct TM/TC between the Lander and its control centre (as files with Orbiter Proxy processing) • Emergency mode delivery of SPP, TC, or other low level commands via orbiter proxy processing • Ground cross support services • Bidirectional transfer of DTN bundles between Lander Control Centre and Ground Complex (DTN over Encap) • Space-Ground CCSDS services • Bidirectional DTN over LTP reliable link • Bidirectional Encapsulation Packet transfer • Bidirectional TM/TC/AOS frame transfer • Space-Space CCSDS services • Bidirectional DTN • Bidirectional Prox-1 data transfer (TC/TM frames, SPP, or other low level commands over UDD SAP) • Bidirectional Space/Encapsulation Packet transfer (Packet SAP of Prox-1) • Agency specific functions • Agency B Orbiter must handle • DTN routing and store & forward services • the packing/unpacking of files (to convert between the Lander Direct TM/TC services and CFDP) • the interpretation/addition of metadata / file delivery instructions, and • proxy processing, reception and transmission of data types (direct TM/TC, files, Encapsulation packets)

  25. Scenario n.6 (Planetary WAN) – ABBWA All DTN DTN DTN DTN DTN DTN Earth-Space Link Terminal Planet-Space Link Terminal Space User Node Spaceborne Relay Ground User Node Files Space Packets Space Packets Files CFDP CFDP DTN DTN DTN DTN BP BP BP BP BP BP BP LTP TCP/IP TCP/IP LTP TCP/IP LTP TCP/IP TCP/IP TCP/IP Encap Encap Encap Encap Encap Encap Packet SAP Packet SAP TM/TC/AOS Prox-1 Prox-1 TM, TC, AOS TM, TC, AOS Prox-1 Cod. RF & Mod Cod. RF & Mod Planet - Orbiter CCSDS Protocols Terrestrial WAN Planetary WAN Orbiter - Ground CCSDS Protocols DTN over TCP/IP DTN over TCP/IP CFDP, DTN, Encapsulation and Prox-1 Frame services CFDP, DTN, Encapsulation Packet and TM/TC/AOS Frame services Spacelink Terrestrial Networks Terrestrial Networks Spacelink

  26. Current Forward TC Scenario – ABCBA Cross Support Non-DTN Non-DTN Non-DTN Non-DTN Non-DTN Spaceborne Relay Earth-Space Link Terminal Spaceborne Relay MOC Ground User Node Space User Node Space Packets Proxy File Processing Bitstream Transfer Orbiter Local File Processing SLE CLTU File Radiation Files Space Packets Direct TM/TC Direct TM/TC Direct TM/TC Local Files Files Files Files SPP SPP SPP SPP Mission File Integration Files PrivateFile Protocol Priv UDD / SPP Process Priv TC TC TC Cod FTP File Forward UDD SAP UDD SAP SLE CLTU Forward FTP File Forward SLE CLTU Forward FTP File FTP File Phys Prox-1 Prox-1 Prox-1 Code. RF Mod RF & Mof Terrestrial WAN Terrestrial WAN Lander - Orbiter CCSDS Protocols Orbiter - Ground CCSDS Protocols FTP File Transfer CFDP, Space Packet and TM/TC/AOS Frame services CFDP, Space Packet and Prox-1 Frame services Terrestrial Networks Terrestrial Networks Spacelink Spacelink Lander MOC Orbiter MOC Space Link Terminal Lander Orbiter

  27. Current Forward TC Scenario – ABCBA • Description • This scenario depicts the current forward transfer of files (possibly containing packets or direct TC frames) to a single Agency A Lander using the support of a Ground Complex C and an Orbiter and Orbiter GDS provided by Agency B. • Neither Agency A, Agency B, nor the Ground Complex C implements DTN. • End to end services (n.b. Forward only, return is different) • Mono-directional transfer of packets (within a file) between the Lander control centre and its Lander (protocols & process differs from agency to agency) • Mono-directional return of data from Lander to its control center (return direction protocols are different from forward, and differ from agency to agency) • Transfers require specialized manipulation of data by the Orbiter GDS and by the Orbiter • Process is almost entirely manual, including planning, file upload assembly, and any retransmission processing which must be explicitly commanded • Ground cross support services (n.b. Forward only, return is different) • Mono-directional transfer of files between Lander Control Centre and Orbiter Control Centre (using FTP) • Mono-directional transfer of files between Orbiter Control Centre and Earth-Space Link Terminal, after integration of Lander file into Orbiter file upload (using SLE CLTU) • Mono-directional Space Packet transfer (within file, via orbiter, with special handling) • Private Orbiter Control Center to Orbiter file transfer protocol (mission and agency unique) • Ground-Space CCSDS services (n.b. Forward only, return is different) • Mono-directional TC frame transfer using SLE-CLTU • Space-Space CCSDS services (n.b. Forward only, return is different) • Mono-directional Prox-1 bitstream transfer (UDD SAP of Prox-1) • Mono-directional Space Packet transfer (after aligning data and extracting Packets from UDD SAP bitstream delivered by Prox-1) • Agency specific functions (n.b. Forward only, return is different) • Agency B Ground Control Center must handle • the packing/unpacking of files (to convert between the ground file transfer from Agency A and its file upload formats, and • Handling of files according to its private uplink file transfer protocol, and • the creation of the filename to provide metadata / file delivery instructions. • Agency B Orbiter must handle • private “file forwarding” and data staging services • the packing/unpacking of files (to convert between the Orbiter private file transfer protocol and Orbiter file store), and • Interpretation of filename as metadata / file delivery instructions, and • proxy processing and transmission of data types (direct TM/TC, files, Encapsulation packets) • delivery of the file contents as a bitstream across the Proximity-1 UDD SAP.

  28. Scenario n.5 – ABBA All Non-DTN Non-DTN Non-DTN Non-DTN Non-DTN Spaceborne Relay Earth-Space Link Terminal & MOC Space User Node Ground User Node Files Files File, SPP, Direct TM/TC Proxy File, SPP, Direct TM/TC proxy Space Packets Space Packets Direct TM/TC Direct TM/TC Local Files Files CFDP CFDP Files Files CFDP CFDP CFDP CFDP SPP SPP SPP SPP SPP SPP CSTS File Forward/ Return UDD SAP Packet SAP UDD SAP Packet SAP CSTS File Forward/ Return CSTS File TM/TC, AOS Prox-1 TM, TC, AOS TM, TC, AOS Prox-1 Prox-1 Cod. RF & Mod Cod. RF & Mod Lander - Orbiter CCSDS Protocols Terrestrial WAN Orbiter - Ground CCSDS Protocols CSTS Ground File Transfer Services CFDP, Space Packet and TM/TC/AOS Frame services CFDP, Space Packet and Prox-1 Frame services Spacelink Spacelink Terrestrial Networks

  29. Scenario n.5 – ABBA All Non DTN • Description • This scenario depicts the transfer of files, packets and Direct TM/TC to a single Agency A Lander using the support of a Ground Complex (including the orbiter GDS) and an Orbiter provided by Agency B. • Neither Agency A nor Agency B implements DTN. • End to end services • Bidirectional transfer of files between the Lander and its control centre (CFDP with private file forwarding and staging functions) • Bidirectional transfer of packets (within a file) between the Lander and its control centre • Bidirectional transfer of (packetized and non packetized) Direct TM/TC/AOS frames between the Lander and its control centre (as files with Orbiter Proxy processing) • Ground cross support services • Bidirectional “CSTS” transfer of files between Lander Control Centre and Ground Complex • Space-Ground CCSDS services • Bidirectional CFDP (with private file forwarding and staging functions) • Bidirectional Space Packet transfer • Bidirectional TM/TC/AOS frame transfer • Space-Space CCSDS services • Bidirectional CFDP (with private file forwarding and staging functions) • Bidirectional Space Packet transfer (using Packet SAP of Prox-1) • Bidirectional Prox-1 frame transfer (using UDD SAP of Prox-1) • Agency specific functions • Agency B Ground Complex must handle • the packing/unpacking of files (to convert between the ground file transfer services and CFDP) and • the interpretation/addition of metadata / file delivery instructions. • Agency B Orbiter must handle • private “file forwarding” and data staging services • the packing/unpacking of files (to convert between the Lander Direct TM/TC services and CFDP) • the interpretation/addition of metadata / file delivery instructions, and • proxy processing, reception and transmission of data types (direct TM/TC, files, Encapsulation packets)

  30. Scenario n.7 – ABBA Non-DTN Agency supported by DTN Agency Non-DTN DTN DTN Non-DTN Spaceborne Relay Earth-Space Link Terminal Space User Node Ground User Node Files Files File, SPP, Direct TM/TC Proxy File, SPP, Direct TM/TC proxy Space Packets Space Packets Direct TM/TC Direct TM/TC Local Files Files CFDP CFDP Files Files CFDP CFDP CFDP CFDP DTN SPP SPP SPP BP BP LTP LTP Encap Encap Encap CSTS File Forward/ Return UDD SAP Packet SAP UDD SAP Packet SAP CSTS File Forward/ Return CSTS File TM/TC/AOS Prox-1 TM, TC, AOS Prox-1 Prox-1 TM, TC, AOS Cod. RF & Mod Cod. RF & Mod Lander - Orbiter CCSDS Protocols Terrestrial WAN Orbiter - Ground CCSDS Protocols CSTS Ground File Transfer Services CFDP, DTN, Encapsusaltion Packet and TM/TC/AOS Frame services CFDP, Space Packet and Prox-1 Frame services Spacelink Spacelink Terrestrial Networks

  31. Scenario n.7 – ABBA Non-DTN Agency supported by DTN Agency • Description • This scenario depicts the transfer of files, packets and Direct TM/TC to a single Agency A Lander using the support of a Ground Complex (including the orbiter GDS) and an Orbiter provided by Agency B. • Agency A does not implement DTN while Agency B implements DTN. • End to end services • Bidirectional transfer of files between the Lander and its control centre (CSTS and CFDP) • Bidirectional transfer of packets (within a file) between the Lander and its control centre • Bidirectional transfer of (packetized and non packetized) Direct TM/TC/AOS frames between the Lander and its control centre (as files with Orbiter Proxy processing) • Ground cross support services • Bidirectional “CSTS” transfer of files between Lander Control Centre and Ground Complex • Space-Ground CCSDS services • Bidirectional TM/TC/AOS frame transfer • Bidirectional Encapsulation Packet transfer • Bidirectional DTN (for DTN enabled agency) • Bidirectional CFDP • Space-Space CCSDS services • Bidirectional CFDP (with DTN staging and forwarding) • Bidirectional Space Packet transfer (Packet SAP of Prox-1) • Bidirectional Prox-1 frame transfer (UDD SAP of Prox-1) • Agency specific functions • Agency B Ground Complex must handle • the packing/unpacking of files (to convert between the ground file transfer services and CFDP) and • the interpretation/addition of metadata / file delivery instructions. • Agency B Orbiter must handle • DTN routing and store & forward services • the packing/unpacking of files (to convert between the Lander Direct TM/TC services and CFDP) • the interpretation/addition of metadata / file delivery instructions, and • proxy processing, reception and transmission of data types (direct TM/TC, files, Encapsulation packets)

  32. Scenario n.8 – ABBA DTN Agency supported by Non-DTN Agency DTN Non-DTN Non-DTN DTN Earth-Space Link Terminal Spaceborne Relay Space User Node Ground User Node Files Direct TM/TC Space Packets File, Encap, SPP, Direct TM/TC Proxy File Proxy Space Packets Files Direct TM/TC Local Files Files CFDP CFDP CFDP DTN DTN Files CFDP CFDP BP BP SPP SPP SPP Encap Encap/ SPP Files SPP Encap SPP Encap. CSTS File Forward/ Return UDD SAP Packet SAP UDD SAP Packet SAP CSTS File Forward/ Return CSTS File TM/TC, AOS Prox-1 TM, TC, AOS TM, TC, AOS Prox-1 Prox-1 Cod. RF & Mod Cod. RF & Mod Lander - Orbiter CCSDS Protocols Terrestrial WAN Orbiter - Ground CCSDS Protocols CSTS Ground File Transfer Services CFDP, Space Packet and TM/TC/AOS Frame services Space/Encapsulation Packet and Prox-1 Frame services Spacelink Spacelink Terrestrial Networks

  33. Scenario n.8 – ABBA DTN Agency supported by Non-DTN Agency • Description • This scenario depicts the transfer of files, packets and Direct TM/TC to a single Agency A Lander using the support of a Ground Complex and an Orbiter provided by Agency B. • Agency A implements DTN while Agency B does not implement DTN • End to end services • Bidirectional transfer of files between the Lander and its control centre, using CFDP over DTN • Bidirectional transfer of packets between the Lander and its control centre (Orbiter Proxy, only to support Direct TM/TC) • Bidirectional transfer of Direct TM/TC between the Lander and its control centre (Orbiter proxy via UDD) • Bidirectional transfer of the DTN bundle protocol between the Lander and its control centre (Orbiter proxy via SPP) • Ground cross support services • Bidirectional “CSTS” transfer of files between Lander Control Centre and Ground Complex • Space-Ground CCSDS services • Bidirectional TM/TC/AOS frame transfer • Bidirectional Space Packet transfer • Bidirectional CFDP • Space-Space CCSDS services • Bidirectional Prox-1 frame transfer (UDD SAP) • Bidirectional CCSDS [Space/Encapsulation] Packet transfer (Packet SAP of Prox-1) • Agency specific functions • Agency B Ground Complex must handle • the packing/unpacking of files (to convert between the ground file transfer services and CFDP) and • the interpretation/addition of suitable metadata. • Agency B Orbiter must handle • private “file forwarding” and data staging services • the packing/unpacking of files (to convert between the Lander Direct TM/TC services and CFDP) • the interpretation/addition of metadata / file delivery instructions, and • proxy processing, reception and transmission of data types (direct TM/TC, files, Encapsulation packets)

  34. BACKUP

  35. Scenario n.8 – ABBA DTN Agency supported by Non-DTN Agency DTN Non-DTN Non-DTN DTN File, Encap, SPP, Direct TM/TC Proxy Space Packets Files Direct TM/TC Space Packets Files File Proxy Direct TM/TC Lander - Orbiter CCSDS Protocols Orbiter - Ground CCSDS Protocols CFDP CFDP BP BP Encap CFDP Files CFDP CFDP Files SPP/Enc. SPP Encap SPP SPP SPP Encap. SPP Terrestrial Networks CSTS File Forward/ Return CSTS File Forward/ Return UDD SAP Packet SAP UDD SAP Packet SAP Prox-1 Prox-1 TM, TC, AOS TM, TC, AOS Prox-1 TM/TC/AOS Cod. RF & Mod Cod. RF & Mod CSTS Ground File Transfer Services CFDP, Space Packet and TM/TC/AOS Frame services Space/Encapsulation Packet and Prox-1 Frame services Spacelink Spacelink Terrestrial Networks

  36. User Node Space-borne Relay Space-borne Relay User Node User Node User Node Planetary WAN User Node Earth-Space Link Terminal User Node User Node User Node User Node Terrestrial WAN Earth-Space Link Terminal User Node

  37. Mission User Space Missions SCaN Service Execution SM I/F SM I/F Service Management Interface Forward Data Delivery Services Return Data Delivery Services Mission User SD I/F SD I/F Service Provision Service Delivery Interfaces Radiometric Services Positioning & Timing Services Service Production Service Client / Software Network service execution systems Interface Specifications Software Defined Radio

  38. SSI User Applications User Applications I I Architecture What are its elements? Ops. Concept How is it operated?

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