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- Parallel testing: One month for normal changes, and three months before the planned implementation of a high-impact change (e.g. resolution upgrades) the test system will be frozen and the test suite will run close to real-time. There will be no changes that alter the model results. A full set of product services (e.g. dissemination of test data, ecCharts) will be offered during the whole period. Users will have access to all data generated during this phase. At this stage we will also declare which of the alpha and beta test data sets can be used to acquire longer time series of test data.
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