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Enhanced ALPS Client/Server Design for Improved Data Handling

Results from the '08 HMT deployment show enhanced ALPS performance with a "fat server/thin client" design, additional MADIS data feeds, and automated push/pull for gridded product preparation. Future enhancements include incorporating radar and other feeds to MADIS, additional display capabilities, and plans for AWIPS-II enhancement. The ALPS Client/Server Design comprises gridDataServer for data request and delivery and remoteGridClient for data processing. NWS AWIPS-II plans involve smart push/pull and GFE domain matching. Expanded MADIS data collection includes RAS data displays, gap-filling radars, and other advancements.

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Enhanced ALPS Client/Server Design for Improved Data Handling

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  1. Results from ’08 HMT Deployment • Improved ALPS performance with “fat server/thin client” design • Additional MADIS data feeds useful Future Enhancements • Automated “push/pull” for gridded product preparation • Incorporate radar and other feeds to MADIS • Additional display capabilities

  2. ALPS Client/Server Design • Two parts: • gridDataServer.tcl – striped-down version of the main D2D interface that handles data request and delivery from database where the full data set resides • remoteGridClient – Sends request for data to the host server machine and receives process requests via the Wide Area Network. • Third part (not implemented yet): • Routine (via cron) push/pull of grids over the WAN for gridded forecast preparation

  3. NWS AWIPS-II Plans • AWIPS II “Enhancement” - Smart Push/Smart Pull • Initial operational capability ~ Jan 2011 • Full operational capability ~ 2012

  4. GFE Domains • Important enhancement - Match model domain to WFO and RFC(?) domains

  5. Expanded MADIS Data Collection and Feeds • RAS data displays • X-Band or other gap – filling radars • Others?

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