Once you determine your FTTx Business Check-list, we discussed in previous blog post, there is one more step that

The costs involved in the outside plant of FTTx networks are determining the validity of any access technology. Installation and materials have highly big cost per subscriber. By assuming

FTTx - FTTH & FTTB networks usually are planned and designed by operators purely to have been served for residential customer access - so the ONU -

So, you have a bunch of homes and multidwelling units, and you do not know which is the best scenario to place