The topic of federation has come up earlier here here and here. I made a presentation on this, here is the playback Playback.
This suggests that four areas of focus - corresponding to the four operational Circles of meet. coop - might be adopted as operational domains for four different kinds of coops (or federations of coops), as in the schema below, from the presentation slide deck Nextcloud. There might be federating both within any area (eg back-end platform provision #2, multi-language multi-region front-end member relations #1) and across areas (eg SIngle Sign On, a common federal/libre/anti-GAFAM ‘brand’ across multiple independent platforms) . The ecosystem could be a bit complex! The governance of a federation #4 would be pivotal, including protocols for political economy (fairness) and care work (inclusiveness, solidarity).
