I think that we are talking about something really different.
Take a look to the mentioned links.
More in general:

  
      

      arXiv.org
  

  
    

Advances and Open Problems in Federated Learning 8

  Federated learning (FL) is a machine learning setting where many clients
(e.g. mobile devices or whole organizations) collaboratively train a model
under the orchestration of a central server (e.g. service provider), while
keeping the training data...