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> Facebook did provide XMPP service until the same time that Google ended it. They never supported federation.

• kuschku 10y ago
  They did support client-server federation, but not server-server federation.
  • catdog 10y ago
    Whats "client-server" federation? Only the fact that you are able to connect via an openly specified protocol or is there more to it?
    • kuschku 10y ago
      And that they properly handled protocol extensions, etc. Which in turn allowed you to use XMPP bridges, that pretended to be an XMPP client on one server, but were federated to another server.