In this paper, a special way of convergence layer and access layer device set apart in metropolitan area transport network is analyzed in point.

This article introduces the construction principle and the network structure of Kunming Metropolitan transport network,analyzes current problems,and puts forward the directions of network optimization.

This article is discussed on metropolitan transport network construction solution in transitional period.

As an important point, metropolitan transport network developed rapidly.

Metropolitan Area Network has been the focus of transmission network construction in recent years.

This paper analyzes the requirement and service features changes of different customer colony , the influences on metro transport network,based on simply dividing customer colony.

On Planning and Designing of Metro Transmission Network with the Trend of Intelligence and Synthesis;

This paper analyzes function features and pitfalls of currently commercialized MSTP equipments, recommendation is that for time being, metro transmission network based on MSTP is suitable for new operators, and it is in prospect that MSTP technology, in the future, it would play an important role in metro transmission networks.

This paper analyzes the MSTP equipment supported by metro transmission network, technical limitation of traditional SDH technology and MSTP technology.