在SDN中有效处理ACL政策变更,使用反应和主动流量规则安装
Mudassar Hussain1, Rashid Amin2,3, Rahma Gantassi4
1Department of Computer Science and Creative Technologies, Global College of Engineering and Technology, CPO Ruwi 112, P.O Box 2546, Muscat, Sultanate of Oman.
Scientific reports
|July 1, 2024
概括
软件定义网络 (SDN) 通过有效处理访问控制列表 (ACL) 策略变更来改善网络管理. 在SDN中安装反动流程规则的性能优于主动方法,提高网络性能并减少数据包违规.
科学领域:
- 计算机科学 计算机科学
- 网络工程 网络工程
背景情况:
- 软件定义网络 (SDN) 解了网络控制,以简化管理.
- 访问控制列表 (ACL) 策略的频繁更改使SDN环境中的网络管理复杂化.
研究的目的:
- 建议和评估一个有效的机制来处理动态的ACL政策变化在SDN.
- 为了比较主动和反应性流量规则安装策略的性能.
主要方法:
- 使用5个元组结构 (来源,目的地,协议,港口,行动) 建模的ACL政策.
- 开发了一种用于自动检测ACL变化,删除不一致的流量规则和安装新的流量规则的解决方案.
- 在Mininet模拟器中模拟了主动和反应机制,不同的参数,如包间延迟和流程时限.
主要成果:
- 反应式流量规则安装在SDN中表现出优于主动机制的性能.
- 关键性能指标得到改善,包括网络吞吐量,数据包交付成功,并减少端到端延迟.
- 建议的解决方案有效地检测ACL变化,删除不一致的规则,并有效地安装新规则.
结论:
- 与主动方法相比,反应式方法在管理SDN中的ACL政策变化方面更有效.
- 拟议的解决方案为SDN流规则安装提供了一种灵活和高效的方法,支持管理员在政策实施中.
- 该机制可以与用于政策有效性分析的网络监控工具集成.
相关概念视频
Rapidly Varying Flow
57
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
57
Laminar Flow
1.0K
Laminar flow represents a smooth, orderly fluid motion where particles move along parallel paths, resulting in minimal mixing between layers. Streamlined particle paths characterize this flow regime and occur under conditions where viscous forces dominate over inertial forces. The distinction between laminar, transitional, and turbulent flow is primarily determined by the Reynolds number, a dimensionless quantity calculated as:
1.0K


