基于双层虚拟思想的边缘设备性能优化研究

doi:10.11896/jsjkx.210400061

计算机科学 ›› 2021, Vol. 48 ›› Issue (11): 372-377.doi: 10.11896/jsjkx.210400061

• 计算机网络 • 上一篇

基于双层虚拟思想的边缘设备性能优化研究

陶志勇^1,2, 张锦^2,3, 阳王东², 陈为满^1,3

1 长沙民政职业技术学院软件学院长沙410004
2 湖南大学信息科学与工程学院长沙410082
3 湖南师范大学信息科学与工程学院长沙410012

收稿日期:2021-04-06 修回日期:2021-07-01 出版日期:2021-11-15 发布日期:2021-11-10
通讯作者: 张锦(mail_zhangjin@163.com)
作者简介:27537406@qq.com
基金资助:
国家自然科学基金(61872127);湖南省教育厅资助科研项目(19C0106,17C0084);长沙民政职业技术学院“各类课题校级培育项目”项目成果(21mypy86)

Study on Performance Optimization of Edge Devices Based on Two-layer Virtualization

TAO Zhi-yong^1,2, ZHANG Jin^2,3, YANG Wang-dong², CHEN Wei-man^1,3

1 Software School,Changsha Social Work College,Changsha 410004,China
2 College of Computer Science and Electronic Engineering,Changsha 410082,China
3 College of Computer Science and Electronic Engineering,Hunan Normal University,Changsha 410012,China

Received:2021-04-06 Revised:2021-07-01 Online:2021-11-15 Published:2021-11-10
About author:TAO Zhi-yong,born in 1980,postgra-duate,associate professor,is a member of China Computer Federation.His main research interests include network communication and cloud computing.
ZHANG Jin,born in 1979,postgra-duate,Ph.D,professor,Ph.D supervisor,is a member of China Computer Federation.His main research interests include network communication,cloud computing and software engineering.
Supported by:
National Natural Science Foundation of China(61872127),Research Foundation of the Education Department of Hunan Province(19C0106,17C0084)and Achievements of “Various College-level Cultivation Projects” of Changsha Social Work College(21mypy86).

摘要/Abstract

摘要： 随着运营商边缘设备接入用户数的不断增加,需要处理的数据量成倍增长,使边缘设备负载过重,从而影响了多协议标签交换与边界网关协议构建的虚拟私有网数据的正常交互。目前,MCE,HOPE,SDN方案在解决该问题方面都存在一定的局限性:1)MCE方式边缘设备接口不支持创建逻辑通道,因此该方案无法使用;2)HOPE方式会产生路由环路等问题;3)SDN方式单台SDN控制器处理并发的会话数不能超过6.4万。针对上述问题,文中提出了基于双层虚拟思想的边缘设备优化方案,该方案包括边缘设备虚拟化、虚拟私有网隧道建立、虚拟私有网信息隔离3个基本步骤。在此基础上,从网络模型、网络资源池的构建、网络资源池分裂3个方面进行方案优化。基于搭建的实验环境对方案性能进行评估,与传统方式构建的虚拟私有网在包转发率、可管理性、扩展性等方面进行了对比分析。结果表明,双层虚拟的设计方案通过构建网络资源池,实现了资源的统一调度与管理,能够有效解决运营商边缘设备负载过重的问题,是构建虚拟私有网的有效方案。

关键词: 边界网关协议, 边缘设备, 多协议标签交换, 虚拟化, 虚拟私有网

Abstract: With the continuous increase in the number of users which access to ISP's edge devices,the amount of data needs to be processed has doubled,which causes the edge device to be overloaded,and affects the normal interaction of the virtual private network data constructed by the multi-protocol label switching and the border gateway protocol.At this stage,the MCE,HOPE and SDN solutions all have certain limitations in solving this problem:the MCE mode edge device interface does not support the creation of logical channels,the solution cannot be used;the HOPE mode causes problems such as routing loops;the number of concurrent sessions processed by a single SDN controller in the SDN mode cannot exceed 64 000.In response to the above problems,an edge device optimization solution based on dual-layer virtualization is proposed.This solution includes the following three basic steps:edge device virtualization,virtual private network tunnel establishment,and virtual private network information isolation.On this basis,the solution is optimized from the network model,the construction of the network resource pool and the splitting of the network resource pool.The performance of the solution is evaluated based on the experimental environment,and compared with the virtual private network constructed in the traditional way in terms of packet forwarding rate,manageability,and sca-lability.The analysis results show that the dual-layer virtual solution which is designed to construct a network resource pool can realize the unified scheduling and management of resources,effectively solve the overloaded problem of ISP's edge equipment,and also be an effective solution for building a virtual private network.

Key words: Border gateway protocol, Edge device, Multi-protocol label switching, Virtual private network, Virtualization

中图分类号:

TP393

陶志勇, 张锦, 阳王东, 陈为满. 基于双层虚拟思想的边缘设备性能优化研究[J]. 计算机科学, 2021, 48(11): 372-377. https://doi.org/10.11896/jsjkx.210400061

TAO Zhi-yong, ZHANG Jin, YANG Wang-dong, CHEN Wei-man. Study on Performance Optimization of Edge Devices Based on Two-layer Virtualization[J]. Computer Science, 2021, 48(11): 372-377. https://doi.org/10.11896/jsjkx.210400061

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基于双层虚拟思想的边缘设备性能优化研究

Study on Performance Optimization of Edge Devices Based on Two-layer Virtualization

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