What Is The Difference Between FDDI-I And FDDI-II?

FDDI-I standard is designed to need to send real-time video or other information that can not tolerate delay in the network design. FDDI-Ⅱ require all nodes in the Internet FDDI-Ⅱ use FDDI-Ⅱ, otherwise it becomes FDDI. Now FDDI workstation must be connected to their online.

FDDI-Ⅱ using frequency division multiplexing technology to guarantee multimedia communication frequency band into a dedicated transmission lines.