Facing the "2×1000 Mbit/s " times

metropolitan area network needs to deepen the cognition of "Unified Opitcal Network" and intensify building new multi-service access areas. This paper comprehensively analyzes the main problems in building multi-service access areas nowadays

and puts forward a mechanism based on "domain—point—line" for urban scenes

a pre-planning idea for non-urban scenes

and some suggests for continuous evolution of new multi-service access areas.