anchor.diff:      nodelist:node(OldNeighbors) =/= nodelist:node(NewNeighbors).
   
   
  -%% @doc Sends changes to a subscribed cyclon process when the neighborhood
  +%% @doc Exec Function for subscribing to the rm loop.
  +%%      Sends changes to a subscribed cyclon process when the neighborhood
   %%      changes.
   -spec rm_send_changes(Pid::pid(), Tag::cyclon,
           OldNeighbors::nodelist:neighborhood(),
           NewNeighbors::nodelist:neighborhood(),
           Reason::rm_loop:reason()) -> ok.
   rm_send_changes(Pid, cyclon, _OldNeighbors, NewNeighbors, _Reason) ->
  -    ?TRACE_DEBUG("rm_send_changes", []),
  -    comm:send_local(Pid, {cb_msg, {gossip_cyclon, default}, {rm_changed, nodelist:node(NewNeighbors)}}).
  +    comm:send_local(Pid, {cb_msg, instance(), {rm_changed, nodelist:node(NewNeighbors)}}).
   
   
   %% @doc Checks the current state. If the cache is empty or the current node is
  
positive.code:     {ok, {Cache1, Node}}.
  
  
  %% @doc Integrate the reply data. <br/>
  %%      Called by the behaviour module upon a p2p_exch_reply message. <br/>
  %%      QData: the reply data from the peer <br/>
  %%      RoundStatus / Round: ignored, as cyclon does not implement round handling
  %%      Upon finishing the processing of the data, a message of the form
  %%      {integrated_data, Instance, RoundStatus} is to be sent to the gossip module.
  -spec integrate_data(QData::{data(), data()}, Round::round(), State::state()) ->
      {discard_msg | ok | retry | send_back, state()}.
  integrate_data({QSubset, PSubset}, _Round, {Cache, Node}) ->
      %% cy_subset_response msg <=> p2p_exch_reply msg -> integrate_data()
      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}),
  
negative.code: request_node_details(Details) ->
      DHT_Node = pid_groups:get_my(dht_node),
      This = comm:this(),
      EnvPid = comm:reply_as(This, 3, {cb_msg, instance(), '_'}),
      case comm:is_valid(This) of
          true ->
              comm:send_local(DHT_Node, {get_node_details, EnvPid, Details});
  