Taipower company attempts to fulfill intranet applications demanding higher bandwidth, after communication requirements ofsmart grid, and data transmission among internal different business unit by using Taipower existing fiber optical network andcooperate with ACTS and Nokia. The system includes 7250 IXR-X product family and 1830 Photonic Service Switch(PSS) toconstruct Taipower backbone network and IP-MPLS optical communication network of each area to satisfy requirements of ultra-
high speed IP island-wild communication system.