NASA Engineering Database NED Prototype

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NASA Engineering Database(NED)Prototype

• Stephen C. Waterbury
• NASA/Goddard Space Flight Center

January 2001 NASA STEP for Aerospace Workshop
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NED prototype
(NASA Engineering Database)
ThinClientAPI Java ServerPages
Web Browser
Database PostgreSQL
File Vault/Storage (STEP, proprietary, docs, etc.)
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MetaRepository
NED Target Architecture
Directories (people, orgs, licenses, products,
etc.)
System API (peer/peer,federation,global search)
ExternalSystems (PDM, etc.)
Libraries (part models, IP, etc.)
Model Interaction and TransformationServices(tr
anslate andtransform models, generate views)
CAD/CAETools
Thick Client API
Utility Tools (Viewers, Special Editors, etc.)
Databases and Caches R/O/O-R DBMSs (Master
Model Repository)
ThinClientAPI
File Vault (p21, proprietary files, docs, etc.)
Web Browser
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NED prototype
Expresso
(NASA Engineering Database)
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PostgreSQL
Check-in Process 1. File upload via Web
browser 2. RM calls Expresso to runExpress-X
to extract PDM data. 3. Expresso outputs
XML-encoded PDM data. 4. RM executes
transaction towrite PDM data into PostgreSQL
andAP210 file to vault (PDM data contains
reference to file).
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File Vault/Storage (Unix Filesystem)