摘要
探讨软件定义网络(Software Defined Network,SDN)在数据中心传输中的自适应流量管理。SDN架构的关键组成要素包括控制器、应用层和南向接口,通过控制平面和数据平面的分离,实现了网络的灵活性和可编程性。OpenFlow协议作为关键通信协议在SDN中得到广泛应用,为控制器提供了调整数据平面行为的标准化手段。在自适应流量管理方面,控制器通过实时监测和智能调整网络状态,识别瓶颈和拥塞点,并根据不同应用的性能需求进行精确的流量管理决策。基于流和基于应用的自适应管理算法使网络能够灵活适应不同流量负载,提高资源利用效率。流量监测工具如NetFlow和sFlow以及反馈机制在实现自适应流量管理中发挥关键作用,实时感知和调整网络状态,使SDN网络更加智能、适应性更强,并提供了优越的应用体验。未来的研究方向将关注SDN中自适应流量管理的创新策略,推动网络技术不断进步。
This article explores the adaptive traffic management of Software Defined Networking(SDN)in data center transmission.The key components of the SDN architecture include the controller,application layer,and southbound interface,enabling the flexibility and programmability of the network through the separation of the control plane and data plane.The widely utilized OpenFlow protocol serves as a crucial communication protocol in SDN,providing standardized means for the controller to adjust the behavior of the data plane.In terms of adaptive traffic management,the controller dynamically adjusts the network state in real-time,identifying bottlenecks and congestion points,and making precise traffic management decisions based on the performance requirements of different applications.Adaptive management algorithms,whether based on flows or applications,empower the network to flexibly adapt to varying traffic loads,thereby enhancing resource utilization efficiency.Traffic monitoring tools such as NetFlow and sFlow,coupled with feedback mechanisms,play a pivotal role in realizing adaptive traffic management by providing real-time awareness and adjustment of network states,making SDN networks more intelligent,adaptive,and delivering superior application experiences.Future research directions will focus on innovative strategies for adaptive traffic management in SDN,propelling continuous advancements in network technology.
作者
强甲
QIANG Jia(China Information Consulting&Designing Institute Co.,Ltd.,Nanjing 210019,China)
出处
《通信电源技术》
2024年第2期234-236,共3页
Telecom Power Technology
