Source-controlled OpenFlow data plane

Zhe WANG; Man-gui LIANG; Xiao-meng JI; MateusAbisai Fillipus

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

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Source-controlled OpenFlow data plane

Academic paper | 更新时间：2024-06-05

- Source-controlled OpenFlow data plane
- Journal of Communications Vol. 36, Issue 3, Pages: 195-201(2015)
- 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：
- 基金信息：
  
  The National Key Basic Research Program of China (973 Program)(2011CB302203);The National High Tech-nology Research and Development Program of China (863 Program)(2007AA01Z203);Center for Ethnic and Folk Literature and Art Development,Ministry of Culture(136023522)
- DOI：10.11959/j.issn.1000-436x.2015074
  CLC： TP393.0
- Online First：2015-03，
  
  Published：25 March 2015
- 稿件说明：
移动端阅览
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：

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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