UPDATE ......From Tuesday 8 April 2025 we have changed the way that Single Sign-on works on this wiki. Please see here for more information:
Update
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A use case has come up in discussion with groups from SKA (highlighted by the Canadian SRC SKA Regional Centre via CADC), augmenting the guidance around authorisation. Specifically, the "standard model" of "user joining group" is not sufficient, we also need groups to be able to join groups and to have multiple parents.
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