EPOCH
param->yyYear = EPOCH;
epoch.tv_sec -= EPOCH;
now.tv_sec = EPOCH;
now_stale = EPOCH - STALE_TIME;
now_expire = EPOCH - EXPIRE_TIME;
now_garbage = EPOCH - GARBAGE_TIME;
intvl_random(&next_bcast, EPOCH+MIN_WAITTIME, EPOCH+SUPPLY_INTERVAL);
age_timer.tv_sec = EPOCH+MIN_WAITTIME;
EPOCH+SUPPLY_INTERVAL, 0
EPOCH+MIN_WAITTIME-1, 0