[1]周飞,吕光宏.基于SDN 的QoS 研究[J].计算机技术与发展,2018,28(03):6-10.[doi:10.3969/ j. issn.1673-629X.2018.03.002]
　ZHOU Fei,LYU Guang-hong.Research on QoS of SDN[J].,2018,28(03):6-10.[doi:10.3969/ j. issn.1673-629X.2018.03.002]
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基于SDN 的QoS 研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
28
期数:
2018年03期
页码:
6-10
栏目:
智能、算法、系统工程
出版日期:
2018-03-10

文章信息/Info

Title:
Research on QoS of SDN
文章编号:
1673-629X(2018)03-0006-05
作者:
周飞 ; 吕光宏
四川大学 计算机学院,四川 成都 610065
Author(s):
ZHOU Fei; LYU Guang-hong
School of Computer,Sichuan University,Chengdu 610065,China
关键词:
软件定义网络; OpenFlow; 服务质量; QoS 方案
Keywords:
SDN; OpenFlow; QoS; QoS approach
分类号:
TP393
DOI:
10.3969/ j. issn.1673-629X.2018.03.002
文献标志码:
A
摘要:
网络中的新兴应用和服务日益增多,这对带宽和延时等服务质量(QoS)的保证提出了更高的要求。针对支持现有网络中端到端的服务质量这个热点问题,学术界和产业界提出了多种方案,但由于传统网络的局限性,基本都以失败或达不到预期要求而告终。而软件定义网络(SDN)的出现改变了传统网络的局限性。针对传统网络中QoS 方案存在的问题,提出利用 SDN 来提升 QoS 的观点。基于OpenFlow 的SDN 架构对QoS 的支持情况进行了分析,发现在基于 OpenFlow 的SDN 架构下实现QoS 比传统网络中更容易更灵活。最后对现今基于SDN 的架构下的QoS 实现方案做了阐述,并对其将会遇到的挑战和问题进行分析。
Abstract:
With the increasing of the novel applications and services,the higher requirements are raised about quality of service (QoS) such as bandwidth and latency. For the hot issue of supporting end-to-end QoS in traditional network architectures,a variety of solutions were put forward by academia and industry,which failed or could not meet the requirements because of the limitations of the traditional network. The emergence of the software defined network (SDN) has changed such limitations of traditional networks. According to the problem of traditional QoS,we use the viewpoint of SDN to improve QoS. Through the analysis of QoS support in OpenFlow-based SDN architecture,it is found that implementing QoS under OpenFlow-based SDN architecture is easier and more flexible than in traditional network. Moreover,the latest achievements for QoS based on SDN architecture are introduced and their future works have been summarized.

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更新日期/Last Update: 2018-04-03