Design and implementation of a campus network architecture based on load-balanced vBRAS

FU Zhongnan; SHANG Qun; CHEN Junjun; LIU Wending

doi:10.11959/j.issn.1000-436x.2024233

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Design and implementation of a campus network architecture based on load-balanced vBRAS

Campus Network Construction | 更新时间：2024-12-31

- Design and implementation of a campus network architecture based on load-balanced vBRAS
- Journal on Communications Vol. 45, Issue Z2, Pages: 88-96(2024)
- 作者机构：
  
  北京大学计算中心，北京 100091
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-436x.2024233
  CLC： TN398
- Received：22 October 2024，
  
  Published：30 November 2024
- 稿件说明：
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付中南,尚群,陈骏君等.基于负载均衡的vBRAS校园网架构的设计与实现[J].通信学报,2024,45(Z2):88-96.

FU Zhongnan,SHANG Qun,CHEN Junjun,et al.Design and implementation of a campus network architecture based on load-balanced vBRAS[J].Journal on Communications,2024,45(Z2):88-96.
付中南,尚群,陈骏君等.基于负载均衡的vBRAS校园网架构的设计与实现[J].通信学报,2024,45(Z2):88-96. DOI： 10.11959/j.issn.1000-436x.2024233.

FU Zhongnan,SHANG Qun,CHEN Junjun,et al.Design and implementation of a campus network architecture based on load-balanced vBRAS[J].Journal on Communications,2024,45(Z2):88-96. DOI： 10.11959/j.issn.1000-436x.2024233.

摘要

在当前高校网络规模持续扩展的背景下，传统BRAS架构在用户承载能力、扩展性和运维管理等方面面临诸多挑战。提出了基于虚拟化技术的vBRAS架构，旨在解决传统BRAS在校园网中的不足。vBRAS通过控制平面与用户平面的分离设计，实现了系统的高效扩展、灵活调度和集中管理。详细分析了vBRAS的设计目标、整体架构及其在用户接入、上下线流程中的具体实现。通过部署vBRAS架构，北京大学的校园网在承载能力、运维效率、用户体验及资源利用等方面得到了显著提升。vBRAS不仅支持多种备份方式，确保了系统的高可用性，还通过无缝漫游机制优化了用户的上网体验。vBRAS为未来高校网络的发展提供了一个高效、灵活且经济的解决方案。

Abstract

In the context of the continuous expansion of university networks

the traditional BRAS (broadband remote access server) architecture faces numerous challenges in terms of user capacity

scalability

and operations management. A vBRAS architecture based on virtualization technology was proposed

aimed at addressing the shortcomings of the traditional BRAS in campus networks. By decoupling the control plane from the forwarding plane

vBRAS enabled efficient system scalability

flexible resource allocation

and centralized management. A detailed analysis of the design objectives

overall architecture

and the specific implementation of vBRAS in user access and session management processes was provided. After deploying the vBRAS architecture

Peking University's campus network has seen significant improvements in terms of capacity

operational efficiency

user experience

and resource utilization. In addition to supporting various backup mechanisms to ensure high availability

vBRAS also enhances user experience through seamless roaming. Overall

vBRAS offers an efficient

flexible

and cost-effective solution for the future development of university networks.

关键词

Keywords

references

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