源端控制的OpenFlow数据面

王哲; 梁满贵; 及晓萌

doi:10.11959/j.issn.1000-436x.2015074

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源端控制的OpenFlow数据面

学术论文 | 更新时间：2024-06-05

- 源端控制的OpenFlow数据面
- Source-controlled OpenFlow data plane
- 通信学报 2015年36卷第3期页码：195-201
- 作者机构：
  
  1. 北京交通大学计算机与信息技术学院，北京 100044
  2. 北京市现代信息科学与网络技术重点实验室，北京 100044
- 作者简介：
  
  [ "王哲（1987-），男，河北邢台人，北京交通大学博士生，主要研究方向为软件定义网络和OpenFlow、网络路由等。" ]
  [ "梁满贵（1958-），男，河北张家口人，北京交通大学教授，主要研究方向为网络体系架构、下一代互联网、语音信号处理等。" ]
  [ "及晓萌（1989-），女，河北沧州人，北京交通大学硕士生，主要研究方向为NetFPGA、网络交换等。" ]
  [ "Fillipus Mateus Abisai（1984-），男，纳米比亚人，北京交通大学博士留学生，主要研究方向为软件定义网络和并行计算。" ]
- 基金信息：
  
  国家重点基础研究发展计划(“973”计划)基金资助项目(2011CB302203);国家高技术研究发展计划(“863”计划)基金资助项目(2007AA01Z203);文化部民族民间文艺发展中心数字文化研究基地基金资助项目(136023522)
- DOI：10.11959/j.issn.1000-436x.2015074
  中图分类号： TP393.0
- 网络出版日期：2015-03，
  
  纸质出版日期：2015-03-25
- 稿件说明：
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王哲, 梁满贵, 及晓萌. 源端控制的OpenFlow数据面[J]. 通信学报, 2015,36(3):195-201.

Zhe WANG, Man-gui LIANG, Xiao-meng JI, et al. Source-controlled OpenFlow data plane[J]. Journal of communications, 2015, 36(3): 195-201.
王哲, 梁满贵, 及晓萌. 源端控制的OpenFlow数据面[J]. 通信学报, 2015,36(3):195-201. DOI： 10.11959/j.issn.1000-436x.2015074.

Zhe WANG, Man-gui LIANG, Xiao-meng JI, et al. Source-controlled OpenFlow data plane[J]. Journal of communications, 2015, 36(3): 195-201. DOI： 10.11959/j.issn.1000-436x.2015074.

摘要

为了实现流表的多元快速查找，OpenFlow交换机一般采用TCAM存储和查找流表，从而带来了扩展性、成本和能耗的问题。尽管可以采取流表压缩、引入RAM存储器等方法，但仍无法彻底解决使用TCAM造成的局限性。针对这个问题提出了源端控制的OpenFlow数据面模型，即SCOF（source-controlled OpenFlow）。它以一种源路由地址—向量地址（VA）作为数据分组的交换标签，VA完全定义了通信路径。SCOF的数据转发设备是向量交换机，不需要存储和查找流表，只根据VA即可完成数据分组转发。SCOF模型降低了交换机硬件复杂度，简化了流表更新过程，克服了OpenFlow的扩展性问题。

Abstract

An OpenFlow switch typically used TCAM to speed up flow table matching. Therefore it brought problems with scale

high cost and energy consumption. To resolve these issues

a novel model called the source-controlled Open-Flow(SCOF)was proposed. SCOF used a source routing address named vector address (VA) as the switching label of the packet. VA defined the communication path. The core of SCOF data plane is vector switch. It can accomplish the data forwarding process relying only on VA

instead of flow table matching. SCOF overcomes scale problem by reducing the complexity of switch hardware and simplifying the process of updating flow table.

关键词

Keywords

references

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