[1]张 俊,沈苏彬.一种基于 SDN 的多管理域路由机制[J].计算机技术与发展,2018,28(08):86-90.[doi:10.3969/ j. issn.1673-629X.2018.08.018]
　ZHANG Jun,SHEN Su-bin.A SDN-based Multi-domain Routing Mechanism[J].,2018,28(08):86-90.[doi:10.3969/ j. issn.1673-629X.2018.08.018]
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一种基于 SDN 的多管理域路由机制()
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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08期
页码:
86-90
栏目:
智能、算法、系统工程
出版日期:
2018-08-10

文章信息/Info

Title:
A SDN-based Multi-domain Routing Mechanism
文章编号:
1673-629X(2018)08-0086-05
作者:
张 俊; 沈苏彬
南京邮电大学 计算机学院,江苏 南京 210003
Author(s):
ZHANG Jun; SHEN Su-bin
School of Computer,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
关键词:
软件定义联网; OpenFlow; 多管理域; 路由
Keywords:
software defined networking; OpenFlow; multiple management domain; routing
分类号:
TP393
DOI:
10.3969/ j. issn.1673-629X.2018.08.018
文献标志码:
A
摘要:
随着软件定义联网(software defined networking,SDN)的不断发展与完善,未来互联网将会由多个 SDN 网络互联,各管理域通过其域内控制平面,对其数据平面进行集中式管控。在单一管理域的应用场景下,SDN 能够方便地为应用提供转发路径,但是当应用流需要跨越多个管理域时,由于当前互联网域间路由协议 BGP 的分布式部署,以及管理域间缺乏协商,将难以提供跨域路径。为了解决该问题,提出了一种基于SDN 的多管理域路由机制(SDN-based multi-domain routing mechanism,SDNMDR)。该机制考虑应用的需求,并通过扩展标准控制器的功能模块,以及相邻管理域控制器间进行交互与协商,采用 OpenFlow 协议控制 SDN 交换机,为跨多管理域的应用提供端到端路径,并且在各管理域网络资源允许的情况下,能够为应用提供服务质量保证。通过 Mininet 和 Ryu 搭建实验环境,证明了SDNMDR 的可行性和有效性。
Abstract:
With the continuous development and improvement of software defined networking (SDN),the Internet will be interconnected by multiple SDN network in the future,managing their data plane through their control plane respectively. Under a single administrative domain of application scenarios,SDN can easily provide the forwarding path for application. But when the application flow across multiple administrative domains,because of distributed deployment of BGP,the current Internet inter-domain routing protocol,as well as the lack of consultation between management domain,it will be difficult to provide the cross-domain path. For this,we propose a SDN-based multi-domain routing mechanism (SDNMDR). With consideration of the requirements for applications,through the extension of the function module of the controller and the interaction and negotiation between intra-domain controller,it uses the OpenFlow to control
SDN switch,which can provide end-to-end paths for applications across multiple management domains,and service quality assurance for applications where the network resources of each management domain allow. A prototype and testbed established with the aid of Mininet and Ryu have been implemented to prove feasibility and effectiveness of the SDNMDR.

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更新日期/Last Update: 2018-12-01