anchor.diff:        Vizceral,
         Proplist).
   
  -update_message_passing_graph(Node, Send, Vizceral, OldMsgPass) ->
  +update_message_passing_graph(Node, Send, Vizceral, _OldMsgPass) ->
       %% the INTERNET node represents the source of ingress traffic
       Vizceral1 = push_focused(<<"INTERNET">>, Node, Vizceral),
   
  
positive.code:   maps:merge(To, #{connections => [New | Connections]}).
  
  push_region_connection(Source, Target, {N, W, D}, Additional, Vizceral) ->
    %% Will crash on nonexisting
    pull_region(Source, Vizceral),
    pull_region(Target, Vizceral),
    push_connection(Source, Target, {N, W, D}, Additional, Vizceral).
  
  push_focused_connection(S, T, RN, NWD, Vizceral) ->
      push_focused_connection(S, T, RN, NWD, #{}, Vizceral).
  
negative.code: handle_cast(Request, _State) ->
      exit({not_implemented, Request}).
  
  handle_info({data, {Node, _Timestamp}, Proplist},
              State = #state{subscribers = Subs,
                             traffic = OldTraffic,
                             msg_pass = OldMsgPass}) ->
  
      {Viz1, NewTraffic} = update_traffic_graph(Node, OldTraffic, new(Node)),
  
  
      %% We're starting from observed node which is our graph entry point
      Viz2 = get_message_passing_counters(Node, Proplist,
                                          Viz1, OldMsgPass),
  
      %% push an update to all subscribed WebSockets
  