anchor.diff:      %% {next_period, ...}
   
       %% create local state for the request id
  -    Entry = entry_new_read(qread, ReqId, Key, DataType, Client, period(State),
  -                           ReadFilter, RetriggerAfter),
  +    Entry = entry_new_round_request(qread, ReqId, Key, DataType, Client,
  +                                    period(State), ReadFilter, RetriggerAfter),
   %%    log_entry(qread, Entry),
       %% store local state of the request
       set_entry(Entry, tablename(State)),
  
positive.code: 
  %% TODO: add support for *consistent* quorum by counting the number of
  %% same-round-number replies
  
  -type entry() :: {any(), %% ReqId
                    any(), %% debug field
  
negative.code: %%% Attention: There is a case that checks the size of this tuple below!!
                   }.
  
  -type gen_replies() :: {
                      non_neg_integer(), %% number of newest replies
                      non_neg_integer(), %% number of acks
                      non_neg_integer(), %% number of denies
  