OFAN Not Applicable to Access Networks

In the Telecom Infra Project (TIP) community, the Open Fixed Access Networks (OFAN) project aims to make next-generation optical line terminal (OLT) devices and technologies more open, decoupled, and standardized. Its end goal is to help operators reduce device costs, avoid vendor lock-in, and promote service agility and O&M efficiency.
However, many challenges in the technology, business, and industry chain make the OFAN project neither necessary nor feasible.
Whereas conventional solutions