智能VPN在接入路由器上的设计与实现
发布时间：2018-08-26 13:43
【摘要】：随着企业分支、行业站点的增加,以及物联网的迅猛发展,接入互联网的需求日趋旺盛,使用传统的接入线路已逐渐无法满足客户的需求,比如高带宽。人们一直致力于寻求一种在现有条件下能够有效解决带宽瓶颈并提高网络系统可靠性的办法。链路聚合技术很好的解决了这一难题,因而在网络设备上研究与实现链路聚合技术有非常重要的意义。本文基于华为技术有限公司的接入路由器(Access Router,AR)的一个解决方案,在对AR设备的软硬件深入研究的基础上,完成了链路聚合技术在AR上的实现,并取名智能VPN,即SVPN。首先,本文对SVPN的需求展开了分析,明确了需求的目标和价值;其次,对SVPN的功能设计、整体模块设计以及子模块设计做了详细阐述;再次,设计完成了 SVPN的两种工作模式:单机模式和联机模式;两种调度方式:基于链路优先级的Priority调度和基于链路带宽的Overflow调度,并设计了 SVPN的数据结构以及具体功能的实现方法;最后,本地搭建环境,对系统的功能和性能进行了充分测试,验证了系统的可靠性和稳定性。
[Abstract]:With the increase of business branches, industry sites, and the rapid development of the Internet of things, the demand for Internet access has become increasingly strong, and the use of traditional access lines has gradually been unable to meet the needs of customers, such as high bandwidth. People have been trying to find a way to solve the bandwidth bottleneck and improve the reliability of the network system under the existing conditions. The link aggregation technology solves this problem very well, so it is very important to research and implement the link aggregation technology on the network equipment. Based on a solution of access router (Access Router,AR) of Huawei Technology Co., Ltd., based on the deep research of the hardware and software of AR equipment, this paper completes the implementation of link aggregation technology on AR, and it is named Intelligent VPN, (SVPN.). Firstly, this paper analyzes the requirements of SVPN, and clarifies the objectives and values of the requirements. Secondly, the function design, the overall module design and the sub-module design of SVPN are described in detail. Two working modes of SVPN are designed and completed: single machine mode and on-line mode, two scheduling modes: Priority scheduling based on link priority and Overflow scheduling based on link bandwidth. The data structure of SVPN and the realization method of the specific function are designed. Finally, the local environment is built, and the function and performance of the system are fully tested, which verifies the reliability and stability of the system.
【学位授予单位】：南京大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TN915.05
[Abstract]:With the increase of business branches, industry sites, and the rapid development of the Internet of things, the demand for Internet access has become increasingly strong, and the use of traditional access lines has gradually been unable to meet the needs of customers, such as high bandwidth. People have been trying to find a way to solve the bandwidth bottleneck and improve the reliability of the network system under the existing conditions. The link aggregation technology solves this problem very well, so it is very important to research and implement the link aggregation technology on the network equipment. Based on a solution of access router (Access Router,AR) of Huawei Technology Co., Ltd., based on the deep research of the hardware and software of AR equipment, this paper completes the implementation of link aggregation technology on AR, and it is named Intelligent VPN, (SVPN.). Firstly, this paper analyzes the requirements of SVPN, and clarifies the objectives and values of the requirements. Secondly, the function design, the overall module design and the sub-module design of SVPN are described in detail. Two working modes of SVPN are designed and completed: single machine mode and on-line mode, two scheduling modes: Priority scheduling based on link priority and Overflow scheduling based on link bandwidth. The data structure of SVPN and the realization method of the specific function are designed. Finally, the local environment is built, and the function and performance of the system are fully tested, which verifies the reliability and stability of the system.
【学位授予单位】：南京大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TN915.05
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