ceos wgiss technology & services subgroup overview
DESCRIPTION
CEOS WGISS Technology & Services Subgroup Overview. Presentation. by Wyn Cudlip British National Space Centre/QinetiQ [email protected]. Technology & Services Subgroup. Organised into Task Teams To address technical issues associated with the: acquisition storage processing - PowerPoint PPT PresentationTRANSCRIPT
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CEOS WGISSTechnology & Services
Subgroup Overview
by Wyn CudlipBritish National Space Centre/QinetiQ
Presentation
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Technology & Services Subgroup Organised into Task Teams To address technical issues associated with the:
acquisition storage processing locating delivery of EO data and services
Fosters the exchange of technical information Promotes the use of Open Standards and the
development of interoperable systems
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T&S Issues EO-User Perspective: Locate - Directory Services Search - Catalogue Services Retrieve - Data Services
Provider Perspective (in addition to above): Archive Hardware; Formats; Preservation
Strategies Processing GRID Systems and Tools Information Exchange – Guideline Documents; Workshops
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Directory Services
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Directory Services CEOS International Directory Network (IDN)
and the Global Change Master Directory (GCMD)
With 4 co-ordinating notes around the world
Registry describing over 15,000 Datasets Uses DIF metadata standard
Now compliant with ISO19115 metadata standard 50,000 hits per month
Specific User Portals can be created. http://gcmd.nasa.gov/
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GCMD Search Page
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JAXA IDN Portal
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Also, can register services
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Additional GCMD Services
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Catalogue Services
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Catalogue Services WGISS developed the CIP
Catalogue Interoperability Protocol Based on a profile of the Z39.50 protocol developed by the library
community Allows transfer of search and order parameters and the return of
the results
Basis of Interoperable Catalogue System (ICS) ESA implementation called INFEO Allows distributed searching of ESA and NASA catalogues Other Nodes to be added
http://catalogues.eoportal.org
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ESA EO Portal
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Data Services
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Data Services Working to exploit specifications emerging
from the Open Geospatial Consortium (OGC) In particular:
Web Map Server – for rgb raster data Web Feature Server – for point and vector data Web Coverage Server – for low-level satellite data
Allows information layers from distributed on-line servers to be combined
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Near-Real-Time MODIS Display
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JAXA/RESTEC Land Condition Map
- Geomorphological Land Classification Map- Sudsurface Geological Map- Soil Map- Land Use Map- Satellite Image (Past)- Satellite Image (Recent)- Elevation map- General Map
: Postal Code
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Data Search & View System
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Archiving
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Archive Issues Archive interchange format (CEOS ICF) Long-term preservation strategy Archive hardware issues
Disc vs. tape reliability
Data formats in general Format Guidelines Document Browse Guidelines Document
tape-data recovery activities Baking recommendations Assistance to Developing Countries
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Disc versus Tape costs
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Tape storage trends
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GRID Computing
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GRID Computing
Large international investment into the development of GRID concepts and tools
Exploitation of computational GRIDs for the benefit of EO data analysis is under investigation by CEOS WGISS.
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Grid Computing Environment
Globus server system
Globus server system
MDS server system
PBS
GRAM Server
Grid FTP Server
Grid SSH Server
MDS GRIS
MDS GIIS
LSF
GRAM Server
Grid FTP Server
Grid SSH Server
MDS GRIS
Globus client
system
Clients are programs and
libraries
GRAM Client
Grid FTP Client
MDS Client
Grid SSH Client
User User application/tool
Web portal
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CEOS Grid Application Projects Dutch Space
GridAssist workflow management tools
Data simulation project for future missions
European Space Agency GridEngine cross-grid management
tools Data processing and product
generation NASA/GMU
GeoTree virtual data product generation
NOAA/NOMADS Climate modeling and data access
China-SIG EO Data sharing and distribution
NASA/UAH EO Data mining
USGS EDC EO Data distribution WTF CalVal data access
NASA ADG Grid tools for data product
production
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Information Exchange
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Information Exchange
At WGISS meetings – 2 per year Through Task Team telecons Preparation of Guideline Documents Carry out demonstrator projects Preparation of Lessons Learnt Documents Annual EOGEO Workshop CEOS WGISS Papers at conferences
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Task Team Structure
WGISS
Technology and Services
Subgroup
Projects and Applications
Subgroup
Current Tasks:WGISS Infrastructure
Current Tasks:International Directory Network
CEOS Interoperable Catalog SystemData Services
ArchiveEOGEO Workshop
CEOS GRID
Current Tasks:Global DatasetsGlobal Mapping BookWTF CEOPWTF Core Sites (WGCV)Oil Spill DriftCEOS EO Data Portal
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Contact Information
http://wgiss.ceos.org/ Directory (IDN) [email protected] Catalogue (ICS) [email protected] Data Services [email protected] Archive [email protected] GRID [email protected] EoGeo Workshop [email protected]