Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
Real-time, self-managing data flows -- Unidata will foster and support the existence of real-time data flows that encompass a broad range of Earth-system phenomena, can be accessed with ease by all constituents, and are self managing in respect to changing contents and user needs.
--A goal of Unidata 2008: Shaping the Future of Data Use in the Geosciences
In order to correctly guage real-time status of the IDD, it is important for all sites participating to accurately maintain their clocks (easily done through Network Time Protocol software and servers).