SDN技术优化的最新研究综述

doi:10.11959/j.issn.1000-0801.2015377

Abstract

Abstract:

Under the background of SDN technology from the college to commercial,the research results of OpenFlow protocol optimization,application oriented flow table design,SDN multi-domain control,data center network routing optimization and requirements of security network architecture were introduced and summarized.At last,the application scenarios and research directions for the future SDN technology was proposed.

Key words: SDN, OpenFlow, controller, optimization

IAOZiyu X. A review of the latest research on SDN technology optimization[J]. Telecommunications Science, 2015, 31(Z1): 132-139.

Figures/Tables 10

References 6

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[3]	MEKKY H , FANG H , MUKHERJE S , et al. AMC:application-aware data plane processing in SDN[C]// The Third Workshop on Hot Topics in Software Defined Networking. August 17-22,2014, Chicago,USA. New York: Association for Computing Machinery, 2014:13-18.
[4]	SCHMID S , SUOMELA J . Exploiting locality in distributed SDN control[C]// The Second ACM SIGCOMM Workshop on Hot Topics in Software Defined Networking. August 12-16,2013, Hong Kong,China. New York: Association for Computing Machinery, 2013:121-126.
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比较	无弹性拓扑	高带宽拓扑	分析
核心端口需求/个	mXk	m（m-1）+2k	当m≥3时，随着k的增大，无弹性拓扑对端口的需求将会大大高于高带宽拓扑
聚合上联端口/个	mXk	2k
扩展性	较强	强	高带宽拓扑新增集群只需连接两个端口，控制器配置更简便
路由数/条	m	2³	高带宽拓扑负载均衡路由更多样，容错性更高
核心转发带宽	输入r单路由转发r	输入r单路由转发2r/m	高带宽拓扑核心层转发能力更强
核心转发次数/次	1	2	转发次数越多，时延越高

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A review of the latest research on SDN technology optimization

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