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Landsat Scenario: Data Insertion

PRODUCTION. External Data Provider. User. Generate. Generate. Plan. Plan. INSERTION. INSERTION. RETRIEVAL. RETRIEVAL. Deliver. Deliver. Ingest. Ingest. Search & Order. Search & Order. Subscribe. Subscribe. Store. Store. Landsat Scenario: Data Insertion.

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Landsat Scenario: Data Insertion

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  1. PRODUCTION External Data Provider User Generate Generate Plan Plan INSERTION INSERTION RETRIEVAL RETRIEVAL Deliver Deliver Ingest Ingest Search & Order Search & Order Subscribe Subscribe Store Store Landsat Scenario: Data Insertion PRODUCTION External Data Provider User LPS-L70R Data Insert

  2. INSERTION Ingest Direct Protocol Subscribe Notification Store Archive Data Catalogue Data LPS Data Insertion LPS LPS initiates L70R subinterval data ingestion with Direct Protocol

  3. 1. L7 Data exchange messages Communications Subsystem L7GW 2. L7 data transfer messages Interoper- ability ADSRV Ingest Subsystem 3. Ingest Subsystem gets L70R data via ftp Ingest Data Mgmt Subsystem DDICT Planning Subsystem 4. Getmcf (L70R) abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection DDIST SDSRV Inven- tory DB Client STMGT Landsat: L70R Ingest Process LPS begins interface for ingestion of data, via SDPF protocol. This protocol is managed within and through the Landsat 7 Gateway. LPS

  4. Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Ingest reads delivery record file and data files from LPS via ftp Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Provides metadata configuration file (mcf) Virtual Terminal VT File Transfer Protocol FTP/KFTP DCE Services Name Service Security Service Time Service Subscription Server EcSbSubServer HDF EOS Server EcDsHdfEosServer Staging Disk Server receives request from Ingest to create staging disk and reserves space Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Crypto- graphic Manage- ment Interface CMI Data Base Sybase Server (COTS) FTP Notification CsFtpNotify Landsat7 Gateway EcCsLandsat7Gateway Domain Name Service DNS Science Data Server GUI EcDsSdsrvGui Data Distribution (DDIST) CSCI Bulk Data Server BDS E-Mail Parser Gateway EcCsEmailParser E-Mail Services Email Server Packages Data Transfer message into Ingest requests; passes data source to Ingest Request Manager Sybase/SQS Sybase Server (COTS) Media Ingest Interface Process EcInGUI Automated Network Ingest Interface Process EcInAuto Network File System NFS Infra- structure Library PF, SRF, Urs, Message Passing, Event Logging, Service Locator, Failure Recovery Framework Pull Monitor Process EcDsStPullMonitorServer DAR Comm Gateway EcGwDARServer Subscription Service EcSbGui Data Server Subsystem (DSS) Manages Sensor Data Processing Facility (SDPF) protocol and Data Exchange messages Polling Ingest Client Interface Process EcInPolling Ingest Request Manager Process EcInReqMgr Filecopy EcUtFileCopy EcUtFileExec Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Collection DDIST SDSRV MOJO Gateway EcCsMojoGateway Storage Management (STMGT) CSCI Inven- tory DB Distributed Computing Configuration Item (DCCI) Ingest Granule Server Process EcInGran Packages Ingest Request into Granules STMGT Cross-Mode Ingest Interface EcInEmailGWServer Requests meta- data configuration file (mcf) from SDSRV Ingest Database Sybase Server (COTS) Ingest (INGST) CSCI Ingest Subsystem (INS) Ingest Landsat: CSCI/Component Role in L70R Ingest

  5. INSERTION Ingest Direct Protocol Subscribe Notification Store Archive Data Catalogue Data LPS Data Insertion (Cont.) Archive L70R Subinterval granule; update catalogue with references to L70R granule

  6. Communications Subsystem SBSRV 1. Insert (L70R) Interoper- ability ADSRV Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 3. Add (L70R metadata) 1101011101 0110001011 Data Proc Collection DDIST 2. Store (L70R) SDSRV Inven- tory DB Client STMGT Landsat: L70R Subinterval Data Granule Insertion Process Newly ingested L70R granule is archived; inventory is updated.

  7. Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Validates metadata; requests archiving of granule files; adds metadata to inventory Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Reads inserted files from Ingest staging disks Data Distribution GUI EcDsDdistGui HDF EOS Server EcDsHdfEosServer Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Data Base Sybase Server (COTS) Builds metadata file; requests SDSRV to validate metadata; requests SDSRV to insert received files Science Data Server GUI EcDsSdsrvGui Data Distribution (DDIST) CSCI Stores validated metadata in the inventory Sybase/SQS Sybase Server (COTS) Media Ingest Interface Process EcInGUI Automated Network Ingest Interface Process EcInAuto Pull Monitor Process EcDsStPullMonitorServer Data Server Subsystem (DSS) Polling Ingest Client Interface Process EcInPolling Ingest Request Manager Process EcInReqMgr Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Collection DDIST SDSRV Storage Management (STMGT) CSCI Inven- tory DB Ingest Granule Server Process EcInGran STMGT Cross-Mode Ingest Interface EcInEmailGWServer Ingest Database Sybase Server (COTS) Ingest (INGST) CSCI Ingest Subsystem (INS) Ingest Landsat: CSCI/Component Role in L70R Data Granule Insertion

  8. INSERTION Ingest Direct Protocol Subscribe Notification Store Archive Data Catalogue Data LPS Data Insertion (Cont.) L70R Insert terminates with an insert event notification and e-mail to DAAC operations and the Science User

  9. 2. Notify Science User (L70R:Insert, e-mail) 2. Notify DAAC operator (L70R:Insert, e-mail) Communications Subsystem SBSRV Interoper- ability ADSRV 2. Notify ( L70R: Insert) Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem 1. Trigger L70R:Insert event abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection DDIST SDSRV Inven- tory DB Client STMGT Landsat: L70R:Insert Notification Process Once L70R subinterval data are inserted, notify all L70R:Insert event subscribers; e-mail notification is sent to DAAC operations and to Science User.

  10. Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Triggers L70R:Insert event; notifies the correct subscription server Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Virtual Terminal VT File Transfer Protocol FTP/KFTP DCE Services Name Service Security Service Time Service Subscription Server EcSbSubServer HDF EOS Server EcDsHdfEosServer Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Crypto- graphic Manage- ment Interface CMI Data Base Sybase Server (COTS) FTP Notification CsFtpNotify Landsat7 Gateway EcCsLandsat7Gateway Domain Name Service DNS Science Data Server GUI EcDsSdsrvGui Data Distribution (DDIST) CSCI Bulk Data Server BDS E-Mail Parser Gateway EcCsEmailParser E-Mail Services Email Server Sybase/SQS Sybase Server (COTS) Network File System NFS Fires subscriptions; sends notifications of the L70R:Insert event Infra- structure Library PF, SRF, Urs, Message Passing, Event Logging, Service Locator, Failure Recovery Framework Pull Monitor Process EcDsStPullMonitorServer DAR Comm Gateway EcGwDARServer Subscription Service EcSbGui Data Server Subsystem (DSS) Filecopy EcUtFileCopy EcUtFileExec Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Collection DDIST SDSRV Sendmail delivers e-mail messages to mail host MOJO Gateway EcCsMojoGateway Storage Management (STMGT) CSCI Inven- tory DB Distributed Computing Configuration Item (DCCI) STMGT Landsat: CSCI/Component Rolein L70R:Insert Notification

  11. INSERTION Ingest Direct Protocol Subscribe Notification Store Archive Data Catalogue Data LPS Data Insertion (Cont.) Derive scene information from subinterval and extract browse data from subinterval data package, then update catalogue with references to L7 scenes

  12. Communications Subsystem SBSRV 1. Insert (L7 Scene) Interoper- ability ADSRV Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 2. Add (L7 Scene metadata) 1101011101 0110001011 Data Proc Collection DDIST SDSRV Inven- tory DB Client STMGT Landsat: L70R Scene Derivation and Insertion Process Ingest derives scene information from the metadata file. Ingest then inserts scenes. Landsat 7 scenes are represented as metadata in the system, without archiving the scene files. Scenes are generated as they are ordered.

  13. Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Provides mcf; re-validates metadata; adds metadata to inventory Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui HDF EOS Server EcDsHdfEosServer Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Data Base Sybase Server (COTS) Derives scenes; requests mcf; builds metadata file; requests SDSRV to validate metadata; requests SDSRV to insert derived files Science Data Server GUI EcDsSdsrvGui Data Distribution (DDIST) CSCI Stores validated metadata in the inventory Sybase/SQS Sybase Server (COTS) Media Ingest Interface Process EcInGUI Automated Network Ingest Interface Process EcInAuto Pull Monitor Process EcDsStPullMonitorServer Data Server Subsystem (DSS) Polling Ingest Client Interface Process EcInPolling Ingest Request Manager Process EcInReqMgr Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Collection DDIST SDSRV Storage Management (STMGT) CSCI Inven- tory DB Ingest Granule Server Process EcInGran STMGT Receives completion callback from EcInGran upon completion of granule processing Cross-Mode Ingest Interface EcInEmailGWServer Ingest Database Sybase Server (COTS) Ingest (INGST) CSCI Ingest Subsystem (INS) Ingest Landsat: CSCI/Component Role in L70R Scene Derivation and Insertion

  14. INSERTION Ingest Direct Protocol Subscribe Notification Store Archive Data Catalogue Data LPS Data Insertion (Cont.) L7 Scene Insert terminates with an insert event notification and e-mail to DAAC operations and the Science User

  15. 2. Notify Science User (L7WRS:Insert, e-mail) 2. Notify DAAC operator (L7WRS:Insert, e-mail) Communications Subsystem SBSRV Interoper- ability ADSRV 2. Notify ( L7WRS: Insert) Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem 1. Trigger L7WRS:Insert event abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection DDIST SDSRV Inven- tory DB Client STMGT Landsat: L7WRS:Insert Notification Process Once L7WRS data are inserted, notify all L7WRS:Insert event subscribers; e-mail notification is sent to DAAC operations and to Science User (who has a standing order for WRS scene granules via 8mm tape).

  16. Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Triggers L7WRS:Insert event; notifies the correct subscription server Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Virtual Terminal VT File Transfer Protocol FTP/KFTP DCE Services Name Service Security Service Time Service Subscription Server EcSbSubServer HDF EOS Server EcDsHdfEosServer Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Crypto- graphic Manage- ment Interface CMI Data Base Sybase Server (COTS) FTP Notification CsFtpNotify Landsat7 Gateway EcCsLandsat7Gateway Domain Name Service DNS Science Data Server GUI EcDsSdsrvGui Data Distribution (DDIST) CSCI Bulk Data Server BDS E-Mail Parser Gateway EcCsEmailParser E-Mail Services Email Server Sybase/SQS Sybase Server (COTS) Network File System NFS Fires subscriptions; sends notifications of the L7WRS:Insert event Infra- structure Library PF, SRF, Urs, Message Passing, Event Logging, Service Locator, Failure Recovery Framework Pull Monitor Process EcDsStPullMonitorServer DAR Comm Gateway EcGwDARServer Subscription Service EcSbGui Data Server Subsystem (DSS) Filecopy EcUtFileCopy EcUtFileExec Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Collection DDIST Sendmail delivers e-mail messages to mail host SDSRV MOJO Gateway EcCsMojoGateway Storage Management (STMGT) CSCI Inven- tory DB Distributed Computing Configuration Item (DCCI) STMGT Landsat: CSCI/Component Rolein L7WRS:Insert Notification

  17. INSERTION Ingest Direct Protocol Subscribe Notification Store Archive Data Catalogue Data LPS Data Insertion (Cont.) As part of the same ingest action for scene data, extract browse data and metadata from subinterval data package, insert browse data, and update catalogue with reference to L7 browse granule

  18. Communications Subsystem SBSRV 1. Insert (Browse) Interoper- ability ADSRV Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 3. Add (Browse metadata) 1101011101 0110001011 Data Proc Collection DDIST SDSRV 2. Store (Browse) Inven- tory DB Client STMGT Landsat: L70R Browse File Insertion Process Scene ingest action also results in the extraction of browse data and metadata from the subinterval data package. Ingest then requests that browse files for LPS L70R scenes be inserted into Data Server. Metadata for L70R Browse granule are added to the Sybase/SQS database.

  19. Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Re-validates metadata; requests archiving of Browse granule; adds metadata to inventory Reads inserted files from Ingest staging disks Data Distribution GUI EcDsDdistGui HDF EOS Server EcDsHdfEosServer Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Derives Browse data/metadata; builds metadata file; requests SDSRV to validate metadata; requests SDSRV to insert derived files Data Base Sybase Server (COTS) Science Data Server GUI EcDsSdsrvGui Data Distribution (DDIST) CSCI Stores validated metadata in the inventory Sybase/SQS Sybase Server (COTS) Media Ingest Interface Process EcInGUI Automated Network Ingest Interface Process EcInAuto Pull Monitor Process EcDsStPullMonitorServer Data Server Subsystem (DSS) Polling Ingest Client Interface Process EcInPolling Ingest Request Manager Process EcInReqMgr Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Collection DDIST SDSRV Storage Management (STMGT) CSCI Inven- tory DB Ingest Granule Server Process EcInGran STMGT Cross-Mode Ingest Interface EcInEmailGWServer Ingest Database Sybase Server (COTS) Ingest (INGST) CSCI Ingest Subsystem (INS) Ingest Landsat: CSCI/Component Role in L70R Browse File Insertion

  20. PRODUCTION External Data Provider User Generate Generate Plan Plan INSERTION INSERTION RETRIEVAL RETRIEVAL Deliver Deliver Ingest Ingest Search & Order Search & Order Subscribe Subscribe Store Store Landsat Scenario: Data Access PRODUCTION External Data Provider User Search & Order Browse Search & Order Scenes

  21. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access Science User searches for L7 Scenes that are in ECS data holdings Media

  22. Communications Subsystem SBSRV Interoper- ability ADSRV Ingest Subsystem Ingest 3. Submit translated query to SDSRV Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning 2. Submit query (L7 scenes, space&time) Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection 1. Search for L7 Scene granules DDIST SDSRV Inven- tory DB Client STMGT Landsat: Inventory Search Process Science User uses EOS Data Gateway Web Client to perform an Inventory Search for L7 WRS Scenes over a specified spatial/temporal domain.

  23. Data Dictionary Server EcDmDictServer Local Information Manager EcDmLimServer User Registration Tool (URT) Scripts EcClWbUr EcClWbUrConfirm EcClWbUrSubmit Data Dictionary Maintenance Tool EcDmMaintTool Translates search criteria to a search object and submits query to SDSRV Search service Submits query from EOS Data Gateway Web Client, via V0 Gateway, with search constraints provided by Science User Client (CLS) External/ Internal Users Local Information Manager (LIMGR) CSCI Data Dictionary SQL Server Sybase Server (COTS) User Profile Gateway EcClDtUserProfileGateway Data Dictionary Replication Server Sybase Replication Server (COTS) Data Mgmt Subsystem (DMS) Data Dictionary (DDICT) CSCI V0 to ECS Gateway Server EcDmV0ToECSGateway HDF Product Viewing Tool EOSView ECS to V0 Gateway Server EcDmECSToV0Gateway Java DAR Tool EcClWbJdt Version Zero Gateway (V0 GTWY) CSCI Workbench (WKBCH) CSCI Landsat: CSCI/Component Rolein Inventory Search

  24. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access (Cont.) Scenes of interest are located in the ECS data holdings Media

  25. Communications Subsystem SBSRV Interoper- ability ADSRV Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem 2. Package and return results abc def ghi jkl mno Planning 3. Return translated results Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection DDIST SDSRV 4. Display results to User Inven- tory DB Client STMGT 1. Query Sybase Landsat: Data Search Process SDSRV queries Sybase/SQS database for granules meeting search criteria and returns results.

  26. Data Dictionary Server EcDmDictServer Data Distribution EcDsDistributionServer Local Information Manager EcDmLimServer Science Data Server EcDsScienceDataServer Breaks down Query and generates calls to inventory database; packages and returns results Archive Server EcDsStArchiveServer User Registration Tool (URT) Scripts EcClWbUr EcClWbUrConfirm EcClWbUrSubmit Data Dictionary Maintenance Tool EcDmMaintTool Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Translates results and returns them to the User Profile Gateway and EOS Data Gateway Web Client Data Distribution GUI EcDsDdistGui HDF EOS Server EcDsHdfEosServer Client (CLS) External/ Internal Users Local Information Manager (LIMGR) CSCI Data Dictionary SQL Server Sybase Server (COTS) User Profile Gateway EcClDtUserProfileGateway Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Data Base Sybase Server (COTS) Data Dictionary Replication Server Sybase Replication Server (COTS) Data Mgmt Subsystem (DMS) Science Data Server GUI EcDsSdsrvGui Database; contains metadata for search and retrieval Data Distribution (DDIST) CSCI Data Dictionary (DDICT) CSCI HDF Product Viewing Tool EOSView V0 to ECS Gateway Server EcDmV0ToECSGateway Sybase/SQS Sybase Server (COTS) ECS to V0 Gateway Server EcDmECSToV0Gateway Pull Monitor Process EcDsStPullMonitorServer Java DAR Tool EcClWbJdt Version Zero Gateway (V0 GTWY) CSCI Data Server Subsystem (DSS) Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Forwards query results to EOS Data Gateway Web Client for Display to the user Collection DDIST Workbench (WKBCH) CSCI SDSRV Storage Management (STMGT) CSCI Inven- tory DB STMGT Landsat: CSCI/Component Rolein Data Search

  27. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access (Cont.) Science User decides to browse scenes of interest to determine if they are applicable Media

  28. Communications Subsystem SBSRV 3. Obtain User Profile Interoper- ability ADSRV Mgmt Support Subsystem MSS Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi 7. Acquire (L7 Browse) jkl mno Planning 2. Submit order (L7 Scene’s Browse, 8mm) Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection 1. Browse L7 Scene granule DDIST SDSRV Inven- tory DB Client STMGT 6. Retrieve Metadata Landsat: Order L7 Scene Browse Process Science User uses EOS Data Gateway Web Client to order Browse data on 8mm tapes for a selected sample L7 Scene granule. 4. Create Order to be tracked 5. Establish Data Context

  29. Connects to SDSRV; estab-lishes data context by adding granules to the session; requests ordered WRS Scene granules Data Dictionary Server EcDmDictServer Local Information Manager EcDmLimServer Data Distribution EcDsDistributionServer Retrieves metadata for requested granules Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer User Registration Tool (URT) Scripts EcClWbUr EcClWbUrConfirm EcClWbUrSubmit Data Dictionary Maintenance Tool EcDmMaintTool Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Provides ECS names for V0 terms HDF EOS Server EcDsHdfEosServer Local Information Manager (LIMGR) CSCI Client (CLS) External/ Internal Users Data Dictionary SQL Server Sybase Server (COTS) User Profile Gateway EcClDtUserProfileGateway Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Data Base Sybase Server (COTS) Data Dictionary Replication Server Sybase Replication Server (COTS) Database; contains metadata Data Mgmt Subsystem (DMS) Science Data Server GUI EcDsSdsrvGui Data Dictionary (DDICT) CSCI Data Distribution (DDIST) CSCI V0 to ECS Gateway Server EcDmV0ToECSGateway HDF Product Viewing Tool EOSView Baseline Mgr XRP-II (COTS) Master Agent EcMsAgAgent SubAgent EcMsAgSubAgent ECS to V0 Gateway Server EcDmECSToV0Gateway Inventory/Logistics/ Maintenance Mgr XRP-II (COTS) Sybase/SQS Sybase Server (COTS) Proxy Agent EcMsAgGenProxy Management Agent CSCI (MACI) Version Zero Gateway (V0 GTWY) CSCI Pull Monitor Process EcDsStPullMonitorServer Java DAR Tool EcClWbJdt Mgmt Support Subsystem MSS Deputy Agent EcMsAgDeputy Software Change Mgr ClearCase (COTS) Data Server Subsystem (DSS) Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Transmits User Profile to EOS Data Gateway Web Client; submits order via V0 Gateway Change Request Mgr DDTS (COTS) Collection Network and Enterprise Management HP OpenView NNM Tivoli Sentry Mode Mgmt Trouble Ticket aruser GUI (COTS) aradmin GUI (COTS) MsTfHTML web interface notifier GUI (COTS) notifier daemon (COTS) Submit, Query, Notify (COTS) armail daemon (COTS) UNIX sendmail Security anlpasswd (COTS) TCP Wrappers (COTS) Tripwire (COTS) SATAN (COTS) Crack (COTS) DDIST Workbench (WKBCH) CSCI SDSRV Storage Management (STMGT) CSCI Software Distribution Mgr Tivoli Courier (COTS) Inven- tory DB STMGT Software License Mgr FLEXlm (COTS) iFOR/LS (COTS) MsLiiFORLSMkDayLog Provides User Profile; creates and saves “Pending” order Accountability EcMsAcRegUserSrvr EcMsAcRegUserGUI EcMsAcOrderSrvr EcMsAcOrderGUI Network Backup/Restore Networker Server (COTS) Networker Client (COTS) ASTER E-mail Header Handler EcMsAsAddHeader.pl EcMsRemoveHeader.pl Management CSCI (MCI) Management Logistics CSCI (MLCI) Landsat: CSCI/Component Role in Order L7 Scene Browse 202

  30. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access (Cont.) Specified Browse data are ordered from data holdings Media

  31. Communications Subsystem SBSRV Interoper- ability ADSRV Mgmt Support Subsystem MSS Ingest Subsystem Ingest 2. Update Order Tracking Status Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning 1. Distribution Request (Browse, 8mm) Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection DDIST SDSRV 3. Request retrieval of granules Inven- tory DB Client STMGT Landsat: Request 8mm Tape Acquire Process Retrieve L7 Scene’s Browse granule from Archive. 4. Copy files (Browse, 8mm) to staging disk

  32. Stages granule files to read-only cache disks Data Dictionary Server EcDmDictServer Local Information Manager EcDmLimServer Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Data Dictionary Maintenance Tool EcDmMaintTool Allocates space in response to Distribution Requests Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Creates staging disks (meta-data & others); extracts scene files from parent subinter-val by subset-ting; submits distribution request to DDIST Requests STMGT to retrieve granule files for subsetting; creates staging disk; links files from read-only cache into staging disk; copies subsetted and metadata files from SDSRV into staging disk; provides request status updates to MSS HDF EOS Server EcDsHdfEosServer Local Information Manager (LIMGR) CSCI Data Dictionary SQL Server Sybase Server (COTS) Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Data Base Sybase Server (COTS) Data Dictionary Replication Server Sybase Replication Server (COTS) Data Mgmt Subsystem (DMS) Science Data Server GUI EcDsSdsrvGui Data Dictionary (DDICT) CSCI Data Distribution (DDIST) CSCI V0 to ECS Gateway Server EcDmV0ToECSGateway Baseline Mgr XRP-II (COTS) Master Agent EcMsAgAgent SubAgent EcMsAgSubAgent ECS to V0 Gateway Server EcDmECSToV0Gateway Inventory/Logistics/ Maintenance Mgr XRP-II (COTS) Sybase/SQS Sybase Server (COTS) Submits order (Acquire, 8mm) and requests e-mail notifica-tion of Science User Proxy Agent EcMsAgGenProxy Management Agent CSCI (MACI) Version Zero Gateway (V0 GTWY) CSCI Pull Monitor Process EcDsStPullMonitorServer Mgmt Support Subsystem MSS Deputy Agent EcMsAgDeputy Software Change Mgr ClearCase (COTS) Data Server Subsystem (DSS) Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Change Request Mgr DDTS (COTS) Collection Network and Enterprise Management HP OpenView NNM Tivoli Sentry Mode Mgmt Trouble Ticket aruser GUI (COTS) aradmin GUI (COTS) MsTfHTML web interface notifier GUI (COTS) notifier daemon (COTS) Submit, Query, Notify (COTS) armail daemon (COTS) UNIX sendmail Security anlpasswd (COTS) TCP Wrappers (COTS) Tripwire (COTS) SATAN (COTS) Crack (COTS) DDIST SDSRV Storage Management (STMGT) CSCI Software Distribution Mgr Tivoli Courier (COTS) Inven- tory DB STMGT Software License Mgr FLEXlm (COTS) iFOR/LS (COTS) MsLiiFORLSMkDayLog Accountability EcMsAcRegUserSrvr EcMsAcRegUserGUI EcMsAcOrderSrvr EcMsAcOrderGUI Provides User Profile; posts Order Tracking status updates to database Network Backup/Restore Networker Server (COTS) Networker Client (COTS) ASTER E-mail Header Handler EcMsAsAddHeader.pl EcMsRemoveHeader.pl Management CSCI (MCI) Management Logistics CSCI (MLCI) Landsat: CSCI/Component Rolein Request 8mm Tape Acquire

  33. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access (Cont.) Copy browse data to 8mm tape and ship it to scientist; send e-mail notification Media

  34. Communications Subsystem 5. Build e-mail notification 6. Send e-mail notification Interoper- ability ADSRV Mgmt Support Subsystem MSS Ingest Subsystem Ingest 3. Update Order Tracking Status Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection DDIST 1. Request copy to tape SDSRV Inven- tory DB Client STMGT 2. Copy (Browse, 8mm) 4. Ship 8mm tape Landsat: 8mm Tape Data Distribution Process Copy L7 Browse data to 8mm tape. Ship tape to Science User; send e-mail notification of shipment.

  35. Builds and sends e-mail notification Requests copy of Browse data from staging disk to 8mm device; provides request status updates to MSS; generates packing list Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Virtual Terminal VT File Transfer Protocol FTP/KFTP DCE Services Name Service Security Service Time Service Subscription Server EcSbSubServer HDF EOS Server EcDsHdfEosServer Displays Order Tracking status, 8mm tape slot, & stacker ID; Data Technician uses GUI to mark request as “shipped” Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Crypto- graphic Manage- ment Interface CMI Data Base Sybase Server (COTS) FTP Notification CsFtpNotify Landsat7 Gateway EcCsLandsat7Gateway Domain Name Service DNS Science Data Server GUI EcDsSdsrvGui Provides Resource Manager for 8mm Data Distribution (DDIST) CSCI Bulk Data Service BDS E-Mail Parser Gateway EcCsEmailParser Baseline Mgr XRP-II (COTS) Master Agent EcMsAgAgent SubAgent EcMsAgSubAgent E-Mail Services Email Server Inventory/Logistics/ Maintenance Mgr XRP-II (COTS) Sybase/SQS Sybase Server (COTS) Proxy Agent EcMsAgGenProxy Network File System NFS Management Agent CSCI (MACI) Infra- structure Library PF, SRF, Urs, Message Passing, Event Logging, Service Locator, Failure Recovery Framework Pull Monitor Process EcDsStPullMonitorServer Mgmt Support Subsystem MSS Deputy Agent EcMsAgDeputy Software Change Mgr ClearCase (COTS) DAR Comm Gateway EcGwDARServer Subscription Service EcSbGui Data Server Subsystem (DSS) Filecopy EcUtFileCopy EcUtFileExec Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Change Request Mgr DDTS (COTS) Collection Network and Enterprise Management HP OpenView NNM Tivoli Sentry Mode Mgmt Trouble Ticket aruser GUI (COTS) aradmin GUI (COTS) MsTfHTML web interface notifier GUI (COTS) notifier daemon (COTS) Submit, Query, Notify (COTS) armail daemon (COTS) UNIX sendmail Security anlpasswd (COTS) TCP Wrappers (COTS) Tripwire (COTS) SATAN (COTS) Crack (COTS) DDIST Sendmail delivers e-mail message to mail host SDSRV MOJO Gateway EcCsMojoGateway Storage Management (STMGT) CSCI Software Distribution Mgr Tivoli Courier (COTS) Inven- tory DB Distributed Computing Configuration Item (DCCI) STMGT Software License Mgr FLEXlm (COTS) iFOR/LS (COTS) MsLiiFORLSMkDayLog Accountability EcMsAcRegUserSrvr EcMsAcRegUserGUI EcMsAcOrderSrvr EcMsAcOrderGUI Posts Order Tracking status updates to database Network Backup/Restore Networker Server (COTS) Networker Client (COTS) ASTER E-mail Header Handler EcMsAsAddHeader.pl EcMsRemoveHeader.pl Management CSCI (MCI) Management Logistics CSCI (MLCI) Landsat: CSCI/Component Rolein 8mm Tape Data Distribution

  36. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access (Cont.) Science User decides to order a number of scenes to be delivered via ftpPull Media

  37. Communications Subsystem SBSRV 3. Obtain User Profile Interoper- ability ADSRV Mgmt Support Subsystem MSS Ingest Subsystem Ingest Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi 7. Acquire (L7 Scene, ftpPull) jkl mno Planning 2. Submit order (L7 Scene, ftpPull) Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection 1. Order L7 Scene data, ftpPull DDIST SDSRV Inven- tory DB Client STMGT 6. Retrieve Metadata Landsat: L7 Scene Data, Acquire Order Process Science User decides to order selected L7 Scene data via ftpPull using the EOS Data Gateway Web Client. 4. Create Order to be tracked 5. Establish Data Context

  38. Connects to SDSRV; estab-lishes data context by adding granules to the session; requests ordered WRS Scene granules Data Dictionary Server EcDmDictServer Local Information Manager EcDmLimServer Data Distribution EcDsDistributionServer Retrieves metadata for requested granules Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer User Registration Tool (URT) Scripts EcClWbUr EcClWbUrConfirm EcClWbUrSubmit Data Dictionary Maintenance Tool EcDmMaintTool Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Provides ECS names for V0 terms HDF EOS Server EcDsHdfEosServer Local Information Manager (LIMGR) CSCI Client (CLS) External/ Internal Users Data Dictionary SQL Server Sybase Server (COTS) User Profile Gateway EcClDtUserProfileGateway Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Data Base Sybase Server (COTS) Data Dictionary Replication Server Sybase Replication Server (COTS) Database; contains metadata Data Mgmt Subsystem (DMS) Science Data Server GUI EcDsSdsrvGui Data Dictionary (DDICT) CSCI Data Distribution (DDIST) CSCI V0 to ECS Gateway Server EcDmV0ToECSGateway HDF Product Viewing Tool EOSView Baseline Mgr XRP-II (COTS) Master Agent EcMsAgAgent SubAgent EcMsAgSubAgent ECS to V0 Gateway Server EcDmECSToV0Gateway Inventory/Logistics/ Maintenance Mgr XRP-II (COTS) Sybase/SQS Sybase Server (COTS) Proxy Agent EcMsAgGenProxy Management Agent CSCI (MACI) Pull Monitor Process EcDsStPullMonitorServer Version Zero Gateway (V0 GTWY) CSCI Java DAR Tool EcClWbJdt Mgmt Support Subsystem MSS Deputy Agent EcMsAgDeputy Software Change Mgr ClearCase (COTS) Data Server Subsystem (DSS) Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Transmits User Profile to EOS Data Gateway Web Client; submits order via V0 Gateway Change Request Mgr DDTS (COTS) Collection Network and Enterprise Management HP OpenView NNM Tivoli Sentry Mode Mgmt Trouble Ticket aruser GUI (COTS) aradmin GUI (COTS) MsTfHTML web interface notifier GUI (COTS) notifier daemon (COTS) Submit, Query, Notify (COTS) armail daemon (COTS) UNIX sendmail Security anlpasswd (COTS) TCP Wrappers (COTS) Tripwire (COTS) SATAN (COTS) Crack (COTS) DDIST Workbench (WKBCH) CSCI SDSRV Storage Management (STMGT) CSCI Software Distribution Mgr Tivoli Courier (COTS) Inven- tory DB STMGT Software License Mgr FLEXlm (COTS) iFOR/LS (COTS) MsLiiFORLSMkDayLog Provides User Profile; creates and saves “Pending” order Accountability EcMsAcRegUserSrvr EcMsAcRegUserGUI EcMsAcOrderSrvr EcMsAcOrderGUI Network Backup/Restore Networker Server (COTS) Networker Client (COTS) ASTER E-mail Header Handler EcMsAsAddHeader.pl EcMsRemoveHeader.pl Management CSCI (MCI) Management Logistics CSCI (MLCI) Landsat: CSCI/Component Role in L7 Scene Data, Acquire Order

  39. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access (Cont.) Specified Scene data are retrieved from data holdings Media

  40. Communications Subsystem SBSRV Interoper- ability ADSRV Mgmt Support Subsystem MSS Ingest Subsystem Ingest 2. Update Order Tracking Status Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning 1. Distribution Request (L7 Scene, ftpPull) Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection DDIST SDSRV 3. Request retrieval of granules Inven- tory DB Client STMGT Landsat: Scene Data Retrieval Process Retrieve L7 Scene data from Archive. 4. Copy files (L7 Scene, ftpPull) to staging disk

  41. Stages granule files to read-only cache disks Data Dictionary Server EcDmDictServer Local Information Manager EcDmLimServer Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Data Dictionary Maintenance Tool EcDmMaintTool Allocates space in response to Distribution Requests Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Creates staging disks (meta-data & others); extracts scene files from parent subinter-val by subset-ting; submits distribution request to DDIST Requests STMGT to retrieve granule files for subsetting; creates staging disk; links files from read-only cache into staging disk; copies subsetted and metadata files from SDSRV into staging disk; provides request status updates to MSS HDF EOS Server EcDsHdfEosServer Local Information Manager (LIMGR) CSCI Data Dictionary SQL Server Sybase Server (COTS) Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Data Base Sybase Server (COTS) Data Dictionary Replication Server Sybase Replication Server (COTS) Data Mgmt Subsystem (DMS) Science Data Server GUI EcDsSdsrvGui Data Dictionary (DDICT) CSCI Data Distribution (DDIST) CSCI V0 to ECS Gateway Server EcDmV0ToECSGateway Baseline Mgr XRP-II (COTS) Master Agent EcMsAgAgent SubAgent EcMsAgSubAgent ECS to V0 Gateway Server EcDmECSToV0Gateway Inventory/Logistics/ Maintenance Mgr XRP-II (COTS) Sybase/SQS Sybase Server (COTS) Proxy Agent EcMsAgGenProxy Submits order (Acquire, ftppull) and requests e-mail notifica-tion of Science User Management Agent CSCI (MACI) Version Zero Gateway (V0 GTWY) CSCI Pull Monitor Process EcDsStPullMonitorServer Mgmt Support Subsystem MSS Deputy Agent EcMsAgDeputy Software Change Mgr ClearCase (COTS) Data Server Subsystem (DSS) Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Change Request Mgr DDTS (COTS) Collection Network and Enterprise Management HP OpenView NNM Tivoli Sentry Mode Mgmt Trouble Ticket aruser GUI (COTS) aradmin GUI (COTS) MsTfHTML web interface notifier GUI (COTS) notifier daemon (COTS) Submit, Query, Notify (COTS) armail daemon (COTS) UNIX sendmail Security anlpasswd (COTS) TCP Wrappers (COTS) Tripwire (COTS) SATAN (COTS) Crack (COTS) DDIST SDSRV Storage Management (STMGT) CSCI Software Distribution Mgr Tivoli Courier (COTS) Inven- tory DB STMGT Software License Mgr FLEXlm (COTS) iFOR/LS (COTS) MsLiiFORLSMkDayLog Accountability EcMsAcRegUserSrvr EcMsAcRegUserGUI EcMsAcOrderSrvr EcMsAcOrderGUI Provides User Profile; posts Order Tracking status updates to database Network Backup/Restore Networker Server (COTS) Networker Client (COTS) ASTER E-mail Header Handler EcMsAsAddHeader.pl EcMsRemoveHeader.pl Management CSCI (MCI) Management Logistics CSCI (MLCI) Landsat: CSCI/Component Rolein Scene Data Retrieval

  42. RETRIEVAL Deliver Electronic Search & Order Inventory Search Subscribe Order Products Store Locate Data Retrieve Data Landsat: Data Access (Cont.) Copy scene data to ftp area; notify Science User of data location Media

  43. Communications Subsystem 3. Build e-mail notification 4. Send e-mail notification of L7 Scene availability Interoper- ability ADSRV Mgmt Support Subsystem MSS Ingest Subsystem Ingest 2. Update Order Tracking Status Data Mgmt Subsystem DDICT Planning Subsystem abc def ghi jkl mno Planning Data Server Subsystem Data Processing Subsystem 0110001011 0010110010 1101011101 0110001011 Data Proc Collection 1. Copy (L7 Scene, ftpPull) DDIST SDSRV Inven- tory DB Client STMGT 5. Retrieve L7 Scene via ftpPull Landsat: Data Distribution, ftp Process Copy Scene data to ftp area on disk. Send e-mail to Science User with notification of data availability. Science User retrieves data via ftp.

  44. Builds and sends e-mail notification Requests copy of Scene data from staging disk to ftpPull area; provides request status updates to MSS Data Distribution EcDsDistributionServer Science Data Server EcDsScienceDataServer Archive Server EcDsStArchiveServer Staging Monitor Process EcDsStStagingMonitorServer EcDsStStagingDiskServer Data Distribution GUI EcDsDdistGui Virtual Terminal VT File Transfer Protocol FTP/KFTP DCE Services Name Service Security Service Time Service Subscription Server EcSbSubServer HDF EOS Server EcDsHdfEosServer Displays Order Tracking status Resource Manager Process EcDsSt8MMServer EcDsStD3Server EcDsStIngestFtpServer EcDsStFtpDisServer EcDsStCDROMServer EcDsStPrintServer Crypto- graphic Manage- ment Interface CMI Data Base Sybase Server (COTS) FTP Notification CsFtpNotify Landsat7 Gateway EcCsLandsat7Gateway Domain Name Service DNS Science Data Server GUI EcDsSdsrvGui Data Distribution (DDIST) CSCI Provides Resource Manager for ftpPull Bulk Data Server BDS Baseline Mgr XRP-II (COTS) E-Mail Parser Gateway EcCsEmailParser Master Agent EcMsAgAgent SubAgent EcMsAgSubAgent E-Mail Services Email Server Inventory/Logistics/ Maintenance Mgr XRP-II (COTS) Sybase/SQS Sybase Server (COTS) Proxy Agent EcMsAgGenProxy Network File System NFS Management Agent CSCI (MACI) Infra- structure Library PF, SRF, Urs, Message Passing, Event Logging, Service Locator, Failure Recovery Framework Pull Monitor Process EcDsStPullMonitorServer Mgmt Support Subsystem MSS Deputy Agent EcMsAgDeputy Software Change Mgr ClearCase (COTS) DAR Comm Gateway EcGwDARServer Subscription Service EcSbGui Data Server Subsystem (DSS) Notifies STMGT Pull Monitor of successful ftppull Filecopy EcUtFileCopy EcUtFileExec Science Data Server (SDSRV) CSCI Data Base Sybase Server (COTS) Change Request Mgr DDTS (COTS) Collection Network and Enterprise Management HP OpenView NNM Tivoli Sentry Mode Mgmt Trouble Ticket aruser GUI (COTS) aradmin GUI (COTS) MsTfHTML web interface notifier GUI (COTS) notifier daemon (COTS) Submit, Query, Notify (COTS) armail daemon (COTS) UNIX sendmail Security anlpasswd (COTS) TCP Wrappers (COTS) Tripwire (COTS) SATAN (COTS) Crack (COTS) DDIST SDSRV MOJO Gateway EcCsMojoGateway Storage Management (STMGT) CSCI Software Distribution Mgr Tivoli Courier (COTS) Inven- tory DB Distributed Computing Configuration Item (DCCI) Sendmail delivers e-mail message to mail host STMGT Software License Mgr FLEXlm (COTS) iFOR/LS (COTS) MsLiiFORLSMkDayLog Accountability EcMsAcRegUserSrvr EcMsAcRegUserGUI EcMsAcOrderSrvr EcMsAcOrderGUI Posts Order Tracking status updates to database Network Backup/Restore Networker Server (COTS) Networker Client (COTS) ASTER E-mail Header Handler EcMsAsAddHeader.pl EcMsRemoveHeader.pl Management CSCI (MCI) Management Logistics CSCI (MLCI) Landsat: CSCI/Component Rolein Data Distribution, ftp

  45. Summary • Ten subsystems • Special Access: ASTER • DAR • Expedited Data Support • Data Insertion • D3 Tape Ingest • Polling Ingest • Network Ingest • Planning and Data Processing • Standing Orders • On-Demand Processing • QA Update • Data Access and Distribution • User Registration • Data Search • Electronic and Media Distribution

  46. References • 305-CD-500-001, Release 5A Segment/Design Specification for the ECS Project, May 1999 • 313-CD-500-00, Release 5A ECS Internal Interface Control Document for the ECS Project, May 1999

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