National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:1 Remote Instrumentation BoF Internet2 Members Meeting October 28, 2002

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:2 Agenda General discussion of remote instrumentaton and tools Applying some tools to a remote instrumentation hypothetical example and end to end flows Detailed ISS application –Describe the Telescience Resource Kit (TReK) and its use supporting ISS science –Internet Voice Distribution System (IVoDS) and its use supporting ISS science

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:3 Remote Instrumentation Types (my list for discussion only): 1.Realtime Interactive: e.g. controlling a robot in a volcano or in space or talk end to end 2.Non-Realtime Interactive: e.g. ability to turn on/off an instrument or receive stored data 3.Passive: e.g. sending a temperature measurement or a video stream to a scientist with no interaction

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:4 Required Remote Instrumentation Services Networking –Wide Area Networking: connectivity to your instrument –Local Area Networking: Connect the “first mile and last mile” –International WAN: connectivity worldwide Telemetry (data) management: receive, process, store and display your data Commanding: if required, to change an instrument state Voice: if required, to coordinate ops and science activities Video: not addressed, either part of telemetry stream or can be addressed in the future using IVoDS like infrastructure Planning: not addressed, enabled using IVoDS/video teleconferencing Web Based Server: not generally required for science operations but is needed for effective outreach Security

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:5 Status of Remote Instrumentation Services for the International Space Station Networking –Wide Area Networking – Abilene ====>in the future: Grids t Status: Abilene operational, Space based science grid in prototyping Telemetry management – Telescience Resource Kit (TReK) –Status: Operational Commanding – TReK –Status: Operational Voice – Internet Voice Distribution Systems (IVoDS) –Status: In final deployment Web Based Server - EZStream ® (Commercial product sot supporting ISS) Security – In place

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:6 Hypothetical Example of Non-Realtime Interactive Instrumentation Layout (from the Instrument to the Principal Investigator (PI) and Co-PI) Picture from: X 1000s all over the world AMPath South American REN RNP PI at UAH RNA Brazilian REN Abilene AREN Alabama REN “Last Mile” in the Amazon Rainforest CoPI

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:7 Educational and Public Outreach (From the PI to a Multitude of Others) EZStream® Web Server Abilene and State RENs Secondary Schools, Colleges and Universities Government Research Organizations Government Networks PI’s Location To the general public, edu’s, museums and others Public Networks Streaming Voice From Instrument International Entities AMPath and other International RENs Remote CoPI PI at UAH

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:8 EZStream Details Page:9 October 22, 2002 Data Transmission/Management Web page display sent once Continuous requesting and delivery of data Low bandwidth since data only Data processed & stored on the server Data displayed, processed, & stored on the client EZStream Control Servlets EZStream Java Applet or ActiveX 1) Browser request for web page 2) Server sends web page 3) Applet requests data; Servlet passes data Web Browser Web Server & Servlet Engine Data Source (TReK) Live Data EZStream Client EZStream Server

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:9 EZStream In Action Iterative Biological Crystallization Project Live from Space Station Display

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:10 TReK and IVoDS are flight certified operational systems that can be used in total, or in part, for almost any type of instrumentation application at very little or no cost EZStream ® is a commercial product developed under a NASA Small Business Innovative Research contract and is operational What follows are the uses of TReK and IVoDS in the International Space Station science operation

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:11 Overview of the Tools in Support of the Remote Payload Science Operations for the International Space Station

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:12 Telescience Resource Kit Michelle Schneider NASA/MSFC/FD

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:13 TReK Topics ISS Payload Telemetry and Command Flow Telescience Resource Kit (TReK) –Telemetry Services –Command Services –TReK Customer Support

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:14 ISS Payload Telemetry and Command Flow International Space Station Processed P/L Data Tracking & Data Relay Satellite (TDRS) P/L Uplinks US. Investigator Sites Telescience Support Centers P/L Uplinks P/L User Data Space Shuttle Payload Operations Integration Center – Huntsville International Partners Mission Control Center - Houston P/L Uplinks White Sands Complex P/L Uplinks Abilene

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:15 Telescience Resource Kit Attributes TReK is a suite of software applications that provide local ground control system functions. –An interface with the POIC to utilize POIC remote ground support system services The TReK software runs on a PC under the Windows 2000 operating system The initial cost of a new TReK solution is less than $8000. –Initial cost includes a commercial PC and commercial software products –Initial cost does not include network connectivity costs –TReK software is provided at no cost

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:16 White Sands Complex ISS TDRS PDSS Payload & UDSM Packets (UDP) User Defined GSE Packets (UDP) Custom Data Packets (TCP) POIC EHS PDSS Telemetry Processing Application Telemetry DB User Program TReK API TREK TReK Telemetry Services TReK Telemetry Capabilities: * Receive, Process, Record, Forward, and Playback TLM Packets * Display, Record, and Monitor Telemetry Parameters * Extract Telemetry Parameters from Recorded Data Files * View Incoming Telemetry Packets (Hex/Text Format) * View/Record Telemetry Processing Statistics * Telemetry API * Telemetry Database US Investigator Sites Abilene

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:17 White Sands Complex ISS TDRS Command Connection (TCP) SSCC Command Processing Application Command DB User Program TReK API TREK POIC EHS Command DB TReK Command Services TReK Command Capabilities: * Command Build/Uplink * Command Updates * Command Responses * Command Session Recording/Viewing * Command Track * Command Statistics * Command API * Command Database US Investigator Sites Abilene

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:18 TReK Training/Testing Capabilities TReK includes two training tools that can be used to simulate telemetry and command services. These tools require no external interfaces so they can be used for stand-alone training purposes and testing. TReK includes a full set of documentation (user guides, step-by-step tutorials) and on-line help.

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:19 Utilization of Internet Protocol-Based Voice Systems in Remote Payload Operations Space Ops 2002 Conference Ground Segment Engineering And Architectures Session October 9, 2002 Marshall Space Flight Center Flight Projects Directorate Ground Systems Department Susan Best, IVoDS Lead Kelvin Nichols, IVoDS Test Lead Bob Bradford, IVoDS Technical Manager AZ Technology Information Technology Group Jim Chamberlain, Manager

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:20 Internet Voice Distribution System Benefits Pros: –Low cost to implement a standalone system –End user cost for client and hardware virtually “free” –System and hardware is standards and COTS based, however not VoIP (First Virtual Communications formerly CuSeeMe) –Easily expandable –Low networking cost if not encrypted ~ 11 kbps per voice loop, encrypted ~ 40 kbps –No talk, no traffic except keep alive –Easy to configure and use, one NASA voice loop = one IVoDS conference –Use almost anywhere that has access to an IP network path of acceptable performance –Excellent sound quality Cons: –Performance susceptible to network congestion –Higher bandwidth if encrypted –User acceptance factor e.g. no handset, uses PC

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:21 EVoDS Voice Switch VOIP Telephony Gateways Voice Loops Administrator Server Conference Servers Virtual Private Network Server Remote Science Sites MSFC Payload Operations and Integration Center – Huntsville Alabama IVoDS User Client PC’s NASA, Research, and Public IP Networks Administrator Client PC PAYCOM Client PC LAN EVoDS Keysets Internet Voice Distribution System Supporting ISS Science Operations Encrypted IP Voice Packets

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:22 IVoDS User Client Capabilities Monitor 8 conferences simultaneously, talk on one User selects from authorized subset of available voice conferences Volume control/mute for individual conferences Assign talk and monitor privileges per user Show lighted talk traffic per conference Talk to crew on Space (Air) to Ground if enabled by PAYCOM

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:23 Contacts

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:24 TReK Customer Support The TReK Team provides the following types of support to TReK customers: –Beta Software Testing Program –TReK Web Site ( –Help Desk (Technical Support Phone Line ) – Technical Support Help TReK Project Lead: Michelle Schneider

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:25 IVoDS Contacts Contacts: –AZ Technology, Jim Chamberlain, , x.123, –Marshall Space Flight Center, Susan Best, , IVoDS user information:

National Aeronautics and Space Administration George C. Marshall Space Flight Center Date: 1 October :32 PM Originator:Bob Bradford/FD40 Chart #:26