IN23C-3742:
Modifications to the NSSDCA Information Model to Support PDS4
Tuesday, 16 December 2014
Edwin V Bell II1,2, Patrick W McCaslin1,2, Edwin J Grayzeck2, Stephanie McLaughlin2,3, John M Kodis1,2 and David R Williams2, (1)ADNET Systems Inc. Greenbelt, Greenbelt, MD, United States, (2)NASA Goddard Space Flight Center, Code 690.1, Greenbelt, MD, United States, (3)Telophase Corp., Greenbelt, MD, United States
Abstract:
The National Space Science Data Coordinated Archive (NSSDCA) has been working with the Planetary Data System (PDS) to redefine the deep archiving process of PDS data with a particular emphasis on data utilizing the XML-based PDS4 data model. Like many science disciplines, the volume of data being archived in planetary science is reaching epic proportions and many of the delivery mechanisms that were feasible in the past (e.g., low-speed networks, hard media) are no longer practical. In addition, as data are recalibrated or data collections are extended due to continued mission operations, redelivery of the same data and the resulting duplicative storage of said data exhausts limited resources. With the PDS4 data model there is an opportunity for the NSSDCA to provide additional services to the PDS such as the preservation, tracking, and restoration of individual products (e.g., a specific data file or document), which was unfeasible in the previous PDS3 system. At the same time, however, many ongoing missions will continue to archive their data as PDS3 products. All of this has necessitated a revamping of the NSSDCA Information Model that is flexible enough to provide new services and increased efficiency for PDS4 products while not interrupting the ingest process for PDS3 products.
We will report on our progress and status.
