anchor.diff:      schedule_delta_synchronization(),
   
       {noreply, State#state{}};
  +handle_info(peer_refresh, State) ->
  +    %% TODO: Temporary hack until the Plumtree can propagate tree
  +    %% information in the metadata messages.  Therefore, manually poll
  +    %% periodically with jitter.
  +    Servers = servers(),
  +    GossipPeers = case length(Servers) of
  +        0 ->
  +            [];
  +        _ ->
  +            Root = hd(Servers),
  +            plumtree_gossip_peers(Root)
  +    end,
  +
  +    %% Schedule next synchronization.
  +    schedule_peer_refresh(),
  +
  +    {noreply, State#state{gossip_peers=GossipPeers}};
   handle_info(delta_gc, #state{store=Store}=State) ->
       lasp_marathon_simulations:log_message_queue_size("delta_gc"),
   
  
positive.code:     end.
  
  %% @private
  schedule_delta_garbage_collection() ->
      case delta_based_mode() of
          true ->
  
negative.code: 
      {noreply, State};
  
  handle_info(aae_sync, #state{store=Store, gossip_peers=GossipPeers} = State) ->
      lasp_marathon_simulations:log_message_queue_size("aae_sync"),
  
      lasp_logger:extended("Beginning AAE synchronization."),
  
      %% Remove ourself and compute exchange peers.
      Peers = compute_exchange(without_me(GossipPeers)),
  
      lasp_logger:extended("Beginning sync for peers: ~p", [Peers]),
  
  