OPeNDAP and Unidata to Integrate Scientific Data Servers

In partnership with OPeNDAP Inc., Unidata has received a three-year award grant from the National Oceanic and Atmospheric Administration in order to better align, link and eventually integrate software that the two organizations independently offer as extensible, open-source infrastructure for scientific data exchange.

The OPeNDAP-Unidata Linked Servers project (OPULS) aims to adapt OPeNDAP and Unidata server systems for greater conformance, linkage, and eventual integration, along the way demonstrating how one group can capitalize on advances achieved by the other.

Software development work will align Unidata's THREDDS Data Server (TDS) with OPeNDAP's Hyrax server in the following areas:

  • Creation of data-model specifications, beginning with isomorphism between the data-access layer of Unidata's Common Data Model (CDM) and the Hyrax protocol designated DAP4
  • Creation of a comprehensive suite of conformance tests for the protocols data model specifications
  • Demonstration of extensibility via server extensions for subsetting non-rectangular meshes and unstructured grids (UGRIDs) and for asynchronous client-server interaction
  • TDS-Hyrax linkage leading to a common server framework
The goal of the joint work is to reduce data providers' and consumers' need to choose between the two programs' functionally similar but operationally distinct server systems.

 

For more information, see the OPULS Project page.

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