FlexE技术及其在5G承载网中的应用探析  

FlexE Technology and Its Application in 5G Bearer Network

作　　者：段宏[1] 郭昌华 刘文钊 Duan Hong;Guo Changhua;Liu Wenzhao(China Information Technology Designing&Consulting Institute Co.,Ltd.Zhengzhou Branch,Zhengzhou 450007,China;Fiberhome Telecommunication Technologies Co.,Ltd.,WuHan 430000,China;Network Security Su pervision Office of Zhengzhou Public Security Bureau,Zhengzhou 450000,China)

机构地区：[1]中讯邮电咨询设计院有限公司郑州分公司,河南郑州450007 [2]烽火通信科技股份有限公司,湖北武汉430000 [3]郑州市公安局网络安全监察处,河南郑州450000

出　　处：《邮电设计技术》2020年第3期80-85,共6页Designing Techniques of Posts and Telecommunications

摘　　要：5G对承载网络的带宽、时延、切片、可靠性等方面提出了更高的要求。FlexE技术重用现有IEEE 802.3以太网物理层标准,在MAC层与PCS层中新增Flex Shim层,实现网络灵活性、多速率、刚性接口等特性。其捆绑、通道化、子速率等功能,可以与IP/Ethernet技术良好对接,大力助推5G承载网络的发展,为5G技术的应用提供保障。随着5G产业的不断发展与完善,FlexE技术必将得到广泛的应用。5G puts forward higher demand for bandwidth,delay,slicing and reliability of bearer network.FlexE technology reuses the existing physical layer standard of IEEE 802.3 Ethernet,and it adds Flex Shim layer in MAC layer and PCS layer to realize network flexibility,multi-rate and rigid interface.Its functions such as bonding,channelization and sub-rate can be well docked with IP/Ethernet technology,which greatly promotes the development of 5G bearer network and guarantees the application of 5G technology.With the continuous development and improvement of 5G industry,FlexE technology will be widely used.

关 键 词：FlexE CALENDAR 捆绑 通道化 子速率 

分 类 号：TN914[电子电信—通信与信息系统]