An optimization scheme for resource-reuse-based Openflow flow table storage

Li Xiangwen; Ji Meng; Cao Min; Dai Jinyou

doi:10.13756/j.gtxyj.2014.02.007

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An optimization scheme for resource-reuse-based Openflow flow table storage

- An optimization scheme for resource-reuse-based Openflow flow table storage
- Study on Optical communication Issue 2, Pages: 8-11(2014)
- 作者机构：
  
  1. 光纤通信技术和网络国家重点实验室
  2. 武汉邮电科学研究院
  3. 3. 武汉烽火网络责任有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.02.007
  CLC： TN915.02
- Published：2014，
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[1]李向文,吉萌,曹敏,戴锦友.基于资源复用的Openflow流表存储优化方案[J].光通信研究,2014(02):8-11.

Li Xiangwen, Ji Meng, Cao Min, et al. An optimization scheme for resource-reuse-based Openflow flow table storage. [J]. (2):8-11(2014)
[1]李向文,吉萌,曹敏,戴锦友.基于资源复用的Openflow流表存储优化方案[J].光通信研究,2014(02):8-11. DOI： 10.13756/j.gtxyj.2014.02.007.

Li Xiangwen, Ji Meng, Cao Min, et al. An optimization scheme for resource-reuse-based Openflow flow table storage. [J]. (2):8-11(2014) DOI： 10.13756/j.gtxyj.2014.02.007.

摘要

Openflow是现有SDN（软件定义网络）系统中最核心的技术之一。文章针对现有SDN技术中可能存在的资源紧张问题

提出了基于资源复用的Openflow流表存储优化方案

涉及SDN中Openflow流表的操作。在现有Openflow v1.3.1的基础上

定义了一种新的流表结构

提出了一种计算流表关联度的算法

并设计了更新流表的新流程。实验结果表明

该方案优化了流表表项的信息存储

能够高效利用现有硬件资源

达到在同样硬件条件下存储更多的流表表项的目的。

Abstract

Openflow is one of the most key core technologies in the existing Software Defined Network（SDN）systems.In view of the possible resource shortage in the existing SDN technology

this paper proposes a resource-reuse-based Openflow flow table storage optimization scheme involving the operation of the Openflow flow table in SDN.On the basis of the existing Openflow v1.3.1

it defines a new table structure

proposes an algorithm for computing the correlation degree of the flow table and designs a new procedure for its updating.The experimental results show that this scheme optimizes the information storage of the table entries

efficiently utilizes the available hardware resource

thereby storing more table entries under the same hardware conditions.

关键词

软件定义网络Openflow协议资源复用流表优先级

Keywords

SDNOpenflow protocolresource-reuseflow tablepriority

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