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The Common Metadata Repository (CMR) catalogues all data and service metadata records for the EOSDIS system. These metadata records are registered, modified, discovered, and accessed through programmatic interfaces leveraging standard protocols and APIs.
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The Unified Metadata Model is a model that encompasses various metadata profiles maintained and archived by EOSDIS. The UMM will be used by the Common Metadata Repository and will drive search and retrieval of metadata cataloged within that system.
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All search and ingest that are done via ECHO now will continue to be serviced. The ECHO API will work seamlessly with the CMR and will be backwards compatible. However, there is a period of transition from returning ECHO results to returning CMR results. During this transition period, ECHO will fan-out ingest and search requests to the CMR system. For more information, please email support@earthdata.nasa.gov and include 'CMR' in the email subject. The diagram below outlines the high-level interaction between these systems:
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There is preliminary documentation on the search API currently deployed in the UAT environment that can be found here: |
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ESO-CMR Review Page
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2015 ESIP Winter Meeting Session AGU Fall 2014 (login required)
2014 DAAC System Engineering Technical Interchange
ESIP Winter 2014 |
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Helpful LinksCMR Quality Software Wiki (GCMD wiki) Related WorkGlobal Imagery Browse Services - GIBS Legacy LinksMetadata Architecture Study 2 Wiki
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