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SWIMing in a Standards Soup
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SWIMing in a Standards Soup


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  • 1. SWIMing in a Weather and AeronauticalInformation Standards SoupIan PainterATM LeadSnowflake Software
  • 2. About Snowflake• Self-financed, profitable private company• Based in Southampton, UK• Established in 2001• Member of OGC since 2002• Active in ATM since 2008• Develop data exchange solutions within 4 markets:
  • 3. The principles of data exchange1. What are you going to give me?3. Is it any good?5. How will you give it to me?
  • 4. The principles of data exchange (applied to beer)• What are going to give me? Beer• Is it any good? Tsingtao Beer, my favorite• How will you give it to me?
  • 5. Data StandardsService Standards Quality Standards
  • 6. Data Standards Integers, strings, date, times, XML identifiers, validation, schema Features, Points, lines, GML polygons, arcs coordinate systems, AIXM WXXM FIXM Temporality, METAR, TAF, Flight, Equipment, navaids, AIRMET, SIGMET … aircraft … airportheliport, vertical structures, routes, procedures …
  • 7. Service StandardsWP8 – Information ArchitectureWP14 – SWIM Technical Architecture• Data / Net Centric – Data is domain specific and not application specific• Interface driven – Interfaces are well defined, normative and vendor agnostic• Loose coupling – Applications and decoupled from data sources
  • 8. Product Centric AIS Applications coupled to Airspace/ datastores e-AIP NOTAM Briefing Charting Met Flight Procedur Man e Design Datastores vendor and application specific Data extensively Integration between duplicated applications is often across bespoke and custom applications engineered
  • 9. OGC Interoperability Programs• Rapid prototyping exercises• Goal to test and develop standards• Multi vendor• Address the ATM use-cases – Weather – Aeronautical
  • 10. OGC Interoperability Programs 2009 Engineering Reports and Demo 2010 Engineering Reports and Demo 2011 Engineering Reports and Demo 2011 Engineering Reports and Demo © 2011 Open Geospatial Consortium
  • 11. Addressing the Server Side ATM Use-Cases• Access to AIXM and WXXM via web services• Support for temporal query and AIXM temporality• Suitability of ISO standards for future ATM – Web Feature Services – Metadata• Proof of the FAA SWIM platform• Security and the single authoritative source• Compression and encryption• ADQ implementation – Data integrity via AIXM Business Rule enforcement – Data audit through feature and dataset level metadata
  • 12. OWS AIM Architecture Aviation Decision Support Notify Client Event Dispatch EFB Service Client client Subscribe Register Push events getFeature getFeature Post request response update WFS WFS-T Event Publisher 2.0 2.0 WS-Notification Agent Pusher Polls for updates Output Queu Events Feature e Table Trigger Table Oracle 11g FTP Directory
  • 13. So how is it all put together …• Baseline & Delta data delivered using: – GO Publisher WFS - OGC Web Feature Service (WFS 2.0)• Updates using – GO Publisher WFS – Transactional WFS 2.0• Data queries using: – Filter Encoding Specification (FES 2.0)• Temporal queries using – Temporal Operators from (FES 2.0)• Digital NOTAM delivered using: – GO Publisher Agent – Batch GML publication engine• Data delivered: – AIXM5.1, WXXM 1.1.1 – GML 3.2.1
  • 14. Update, Publish - GO Publisher WFS
  • 15. The same but different OWS 6-AIM, OWS 7-AIM, OWS 8-AIM
  • 16. Benefits of Open Standards• Realise the goals of SWIM: – Interoperability through standards – Decoupled and vendor agnostic – Data / Net centric• Reduce implementation time – No need to re-invent the wheel• Implementation flexibility – Best of breed COTS solutions without vendor lock-in• Follow proven best practice – INSPIRE, OneGeology, SEIS• Proven, mature and stable – Developed by OGC, ratified by ISO
  • 17. Ian PainterSnowflake Softwareian.painter@snowflakesoftware.com Come see us on Stand D519a to pick up a white paper