The DOE2000 Electronic Notebook framework is shown in Picture 1. .
Clients communicate with each other via multicast communications.
Information about all the projects in which they participate is available as soon as they connect to the system. In the time sequence view, users have the capability to regroup elements, moving them from one subtree into another. Shared access to notebook elements stored in a centralized database system as well as to distributed notebook elements, saved as flat files in collaborators' workstations. Users may also manipulate downloaded documents and multimedia elements, creating new versions of it in the notebook. Synchronous or aynchronous sharing of the notebook.