FC protocol provides both the channel speed for data transfer with low protocol overhead and the scalability of network technology. Fibre Channel typically runs on optical. The Fibre Channel Standard (FCS) defines a high-speed data transfer interface that can be used to connect together workstations, mainframes, supercomputers, storage devices and displays. Bandwidth Between Two Nodes Login, Process Login, Discovery,. It handles high performance of disk storage for applications on many corporate networks. It supports data backup and replication.