基于SDN负载平衡的跨域通信方法
Xiaomao Wang1, Yi Zhou1, Feng Dan1
1Engineering Research Center for Metallurgical Automation and Measurement Technology of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China.
Sensors (Basel, Switzerland)
|February 26, 2025
概括
本研究引入了一种新的方法,用于优化多域软件定义网络 (SDN) 环境中的网络路径规划. 该方法提高了路径分配成功率和网络负载平衡,减少了数据传输延迟.
科学领域:
- 计算机科学 计算机科学
- 网络工程 网络工程
- 分布式系统 分布式系统
背景情况:
- 在多域网中,有限的带宽和低于最佳的路径规划会导致拥堵和负载失衡.
- 由于对网络资源状态的考虑不足,现有的控制平面难以满足路径请求要求.
研究的目的:
- 为多域软件定义网络 (SDN) 环境开发一个优化的路径规划策略.
- 改进网络负载平衡并最大限度地满足数据平面要求.
- 解决跨领域通信中带宽有限和局部拥堵的挑战.
主要方法:
- 根据网络建模,衍生出一个跨域通信负载平衡目标函数.
- 在多域控制器之间使用协作处理,用于协调路径规划和流表安装.
- 将路径规划问题转化为集团寻找问题,并提供了启发式的近似解决方案.
主要成果:
- 拟议的方案在路径分配成功率方面明显优于传统方法.
- 与传统方法相比,证明了网络负载均衡程度的优越性.
- 实现了数据传输延迟的减少,特别是在SDN网络中的高密度路径请求下.
结论:
- 协作式多控制器方法有效地协调跨域路径规划和流表安装.
- 启发式解决方案为复杂的跨域路径规划提供了一种有效的方法.
- 这些发现强调了考虑多个网络资源状态的有效性,以实现最佳路径选择和负载平衡.
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