China Telecom ZTE Corporation In the future, there will be some new application appeared known as 4K/8K high quality video or VR/AR application.These application needs high bandwidth and low lantacy.In order to meet these requirements, the flow model of traditional MAN should be changed. This article describes a new device using in MAN to support spliting DC's and Internet's flow, support to build edge DC in MAN and change MAN flow model from pipe type to umbrella type.