基于ZYNQ的高速数据中心接口单元设计  

Design of high speed data center interface unit based on ZYNQ

作　　者：吕俊杰 武杰[1,2] Lv Junjie;Wu Jie(Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China;State Key Laboratory of Particle Detection&Electronics,University of Science and Technology of China,Hefei 230026,China)

机构地区：[1]中国科学技术大学近代物理系,安徽合肥230026 [2]中国科学技术大学核探测技术与核电子学国家重点实验室,安徽合肥230026

出　　处：《信息技术与网络安全》2018年第10期51-54,共4页Information Technology and Network Security

基　　金：国家自然科学基金资助项目(41574106);国家科技重大专项(2017ZX05008-008-041);国家重大科研装备研制项目(ZDYZ2012-1-05-03)

摘　　要：大规模数据采集系统一般由数据中心和下级分布式数据节点组成,为了使数据中心和数据节点通信,需要一特定外设,即数据中心接口单元。为满足数据率、通用性等需求,设计了一种数据中心接口单元。该设计是基于硬件、驱动和应用程序的协同设计,数据传输部分包括DMA数据传输和千兆以太网数据传输。测试表明该数据中心接口单元可实现速度为330 Mb/s的可靠数据传输,相比其他设计有39%的提升。Large-scale data acquisition systems are generally composed of data centers and lower-level distributed data nodes.In order to enable data centers and data nodes to communicate,a specific peripheral device is required,namely a data center interface unit.In order to meet the requirements of data rate,universality and other requirements,a data center interface unit was designed.The design is based on the co-design of hardware,drivers and applications.The data transmission part includes DMA data transmission and Gigabit Ethernet data transmission.Test results show that the data center interface unit can achieve reliable data transmission speeds of 330 Mb/s,which is 39%higher than other designs.

关 键 词：数据中心接口单元 DMA 千兆以太网 高速数据传输 

分 类 号：TN919[电子电信—通信与信息系统]