anchor.diff:      % TODO: Auth.
       % TODO: Bucket selection.
       % TODO: Protocol capability test (binary or ascii).
  +    process_flag(trap_exit, true),
       {ok, spawn_link(?MODULE, loop, [Addr, Sock])}.
   
   loop(Addr, Sock) ->
  
positive.code: 
  create_mbox(Addr) ->
      {ok, Pid} = start_link(Addr),
      #mbox{addr = Addr, pid = Pid, history = []}.
  
  %% Child/worker process implementation, where we have one child/worker
  %% process per downstream Addr or MBox.  Note, this can be a
  
negative.code: 
  -compile(export_all).
  
  -record(mbox, {addr, pid}).
  -record(dmgr, {curr % A dict of all the currently active, alive mboxes.
                 }).
  
  