Finally, standardization works in MAN are introduced.

The application of the EMAN, become the key question that we pay close attention to.

RPR (Resilient Packet Ring) and MSR ( Multi-Service Ring) are the two newest MAN application scheme.

City informatization will not develop without the information highway; the broadband MAN provides a high speed path for city informatization.

This is in a nice range for metropolitan area networking, and provides another alternative.