The Research on Data Center Network Data Plane Model based on Vector Address

Yu Yang

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The Research on Data Center Network Data Plane Model based on Vector Address

更新时间：2023-11-14

- The Research on Data Center Network Data Plane Model based on Vector Address
- Advanced Engineering Sciences Vol. 48, Issue 4, Pages: 129-135(2016)
- 作者机构：
  
  北京交通大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016，
  
  Published Online：19 April 2016，
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于洋,梁满贵,王哲.基于向量地址的数据中心网络数据面模型的研究[J].工程科学与技术,2016,48(4):129-135.

Yu Yang. The Research on Data Center Network Data Plane Model based on Vector Address. [J]. Advanced Engineering Sciences 48(4):129-135(2016)
于洋,梁满贵,王哲.基于向量地址的数据中心网络数据面模型的研究[J].工程科学与技术,2016,48(4):129-135. DOI：

Yu Yang. The Research on Data Center Network Data Plane Model based on Vector Address. [J]. Advanced Engineering Sciences 48(4):129-135(2016) DOI：

摘要

中文摘要: 软件定义网络（Software Defined Network

SDN）是目前构建数据中心网络的一个研究热点，SDN可满足数据中心的集中管控、虚拟机部署与迁移等需求。但实现SDN优势的最大难题在于流量超大规模的优化问题，采用三态内容寻找存储器（TCAM）存储和查找流表带来了数据中心扩展性、成本和能耗的问题。为此，提出一种基于向量交换的数据中心数据面模型，即VADC(Vector Address Data Center)，以一种源路由地址——向量地址（Vector Address，VA）作为数据包交换标签，VA定义了完整的通信路径。根据VA即可完成数据转发操作。VADC具有如下优点：（1）数据转发过程不再需要查表操作，交换机不必引入TCAM进行流表操作，解决了数据中心扩展性问题，交换机的复杂度和成本大幅度降低；（2）VADC简化了流的建立过程，新数据流建立时，无需下载流表至交换机，其消耗的控制信令数量约减少73%；（3）设计并实现了基于NetFPGA平台的VADC交换机，实验结果表明VADC交换机的硬件资源消耗约是OpenFlow交换机的28%。

Abstract

Abstract:The construction of the Data Center(DC) using Software Defined Network(SDN) technology is a hot research topic at present. The SDN can well meet the requirements of centralized control

virtual machine deployment and migration in DC. However

the biggest difficulties are the flow optimization problem along with the scalability restrictions and the energy consumption brought by TCAM. Meanwhile

there are a mass of mice flows which have brought more cost and delay. Therefore

a new type of data plane model named the VADC is proposed herein. It applies a kind of source routing address named the vector address (VA) as the switching label. The VA defines the communication path independently. Thus

the switches can accomplish the data forwarding process solely. The VADC model has three advantages: (1) Switches don’t use the TCAM to store flow table cause that there is no need for table look-up. Thus can solve the problem of scalability in the DC significantly while reduce the cost and complexity of switches. (2) The VADC simplifies the establishment of the new flows. There is no need to download the flow table to VADC switches. Thus

the amount of control signaling consumed can reduce by about 73%. (3) We implement the VADC switch on the NetFPGA platform. The results show the hardware resources consumption of the VADC switch is only 28% of the OpenFlow switch.

关键词

软件定义网络数据中心虚拟机三态内容寻找存储器流表NetFPGA

Keywords

SDNDCVirtual machineTCAMFlowNetFPGA

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