广西师范大学学报(自然科学版) ›› 2012, Vol. 30 ›› Issue (3): 100-108.

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一种面向数据中心架构的虚拟网络分布式路由技术

李先贤1, 高琦2   

  1. 1.广西师范大学计算机科学与信息工程学院,广西桂林541004;
    2.北京航空航天大学计算机学院,北京100191
  • 收稿日期:2012-05-31 出版日期:2012-09-20 发布日期:2018-12-04
  • 通讯作者: 李先贤(1969—),男,广西桂林人,广西师范大学教授,博士。E-mail:lixx@mailbox.gxnu.edu.cn
  • 作者简介:李先贤,男,1969年9月出生于广西阳朔县,现任广西师范大学计算机科学与信息工程学院教授、副院长,兼任北京航空航天大学博士生导师。
  • 基金资助:
    国家863计划资助项目(2012AA011005)

A Distributed Routing Approach for Datacenter-oriented Virtual Network

LI Xian-xian1, GAO Qi2   

  1. 1.College of Computer Science and Information Technology,Guangxi Normal University,Guilin Guangxi 541004,China;
    2.School of Computer Science and Engineering,Beihang University,Beijing 100191,China
  • Received:2012-05-31 Online:2012-09-20 Published:2018-12-04

摘要: 在面向企业应用的虚拟网络计算环境中,通常采用数据中心架构来组织分布于局域网的底层物理资源,通过虚拟网络技术将分布在不同宿主机上的虚拟机资源聚合起来,为了提供高效、安全的服务,需要虚拟网络提供高性能数据传输。现有虚拟网络路由技术以及基于IP封装的数据传输技术在数据传输的效率方面难以满足大规模数据需求。针对数据中心的底层架构,本文设计一种高效可靠的虚拟网络解决方案DR-VNET。该方案基于三层虚拟网络,采用虚拟网络的分布式路由技术,使得虚拟传输节点之间实现“单跳”通信,克服传统二层虚拟网络的路由瓶颈问题,提高了虚拟网络的传输效率,并在一个虚拟计算平台上实现了该方案,实验结果表明DR-VNET显著地提高了虚拟网络的传输性能。

关键词: 虚拟网络, 分布式路由, 数据中心

Abstract: In the enterprise-oriented virtual network computingenvironment,itusually uses data center framework to organize the underlying physical resourcesand aggregates the distributing virtual machine resources by virtual network.It requires that the virtual network provide high-performance data transfer for the requirements of mass data processing.However,it's difficult for the existing virtual network routing approaches and data transmission technologies based on IP capsulation to ensure the efficiency of transmission.To solve the problem,an efficient and reliable virtual network solution DR-VNET on the underlyingdatacenter architecture is proposed in this paper.The solution is based on layer 3 virtual network,and adopts the distributed routing technology of virtual network in which the communication between virtual nodes needs only “one hop”.This approach can improve data transmission efficiency and avoide the bottlenecksof the routing in the existing virtual network solution.It has been implemented in a virtual computing platform,and experiment results showed the promotion of transmission efficiency of the virtual network.

Key words: virtual network, distributed routing, data center

中图分类号: 

  • TP393
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