anchor.diff:      Cache1 = cyclon_cache:merge(Cache, Node, QSubset, PSubset, cache_size()),
       Pid = pid_groups:get_my(gossip),
       comm:send_local(Pid, {integrated_data, instance(), cur_round}),
  -    ?TRACE_DEBUG("integrate_data. NewCache: ~w", [Cache]),
  +    %% ?TRACE_DEBUG("integrate_data. NewCache: ~w", [Cache]),
       {ok, {Cache1, Node}}.
   
   
  
positive.code: -spec select_data(State::state()) -> {ok, state()}.
  select_data({Cache, Node}=State) ->
      ?TRACE_DEBUG("select_data", []),
      NewCache =
          case check_state(State) of
              fail ->
                  Cache;
              _    ->
                  monitor:proc_set_value(?MODULE, 'shuffle',
                                             fun(Old) -> rrd:add_now(1, Old) end),
                  Cache1 = cyclon_cache:inc_age(Cache),
                  {Cache2, NodeQ} = cyclon_cache:pop_oldest_node(Cache1),
                  Subset = cyclon_cache:get_random_subset(shuffle_length() - 1, Cache2),
                  ForSend = cyclon_cache:add_node(Node, 0, Subset),
                  Pid = pid_groups:get_my(gossip),
                  comm:send_local(Pid, {selected_peer, instance(), {cy_cache, [NodeQ]}}),
                  comm:send_local(Pid, {selected_data, instance(), ForSend}),
                  Cache2
          end,
      {ok, {NewCache, Node}}.
  
  
  %% @doc Process the data from the requestor (P) and select reply data (at Q). <br/>
  
negative.code:                     case config:read(known_hosts) of
                          [] -> ok;
                          [_|_] = KnownHosts ->
                              ?TRACE_DEBUG("get_node_details_response: request known-hosts", []),
                              Pid = util:randomelem(KnownHosts),
                              EnvPid = comm:reply_as(comm:this(), 3, {cb_reply, {gossip_cyclon, default}, '_'}),
                              comm:send(Pid, {get_dht_nodes, EnvPid}, [{?quiet}])
                      end;
                  _ ->
                      ?TRACE_DEBUG("get_node_details_response: ok", []),
                      ok
              end,
              {ok, {NewCache, Node}};
          false ->
              ?TRACE_DEBUG("get_node_details_response: false", []),
              {ok, State}
      end;
  
  