电信科学 ›› 2015, Vol. 31 ›› Issue (Z1): 163-167.doi: 10.11959/j.issn.1000-0801.2015398

• 未来网络 • 上一篇    下一篇

SDN环境下网络流量监测与控制系统设计

刘川1,娄征2,黄辉1,邓辉1   

  1. 1 国网智能电网研究院，江苏 南京210003
    2 国网南京供电公司，江苏 南京210000
  • 出版日期:2015-12-20 发布日期:2017-07-03
  • 基金资助:
    国家电网公司科技项目“软件定义网络（SDN）体系及其电力应用关键技术研究”；国网智能电网研究院青年基金项目“支持电力应用SDN控制功能的网络流量可视化矩阵关键技术研究”

Design of network traffic monitoring and control system in SDN

Chuan LIU1,Zheng LOU2,Hui HUANG1,Hui DENG1   

  1. 1 State Grid Smart Grid Research Institute,Nanjing 210003,China
    2 State Grid Nanjing Power Supply Company，Nanjing 210000，China
  • Online:2015-12-20 Published:2017-07-03
  • Supported by:
    The Science and Techonology Project of State Grid Corporation of China:Research on Software Defined Networking System and Key Technologies of Electric Power Application,Youth Fund Project of Smart Grid Research Institute:Research on the Key Technologies of Network Flow Visualization Matrix Supporting the Software Defined Networking Control Function of Electric Power Application

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摘要：

摘要：由于SDN具有可软件定义的特性和控制与转发相分离的特点，SDN环境下网络流量测控与传统的IP网络显著不同。提出了一种基于sFlow技术的网络流量监测与控制系统，借助sFlow数据监测的功能，把数据收集的过程从SDN控制平面分离出来。构建了基于OpenDaylight控制器与Mininet的实验环境，通过模拟拒绝服务攻击来产生异常流量，利用网络流量测控的方法实现了异常流量的拦截。

关键词: 软件定义网络, 流量监测, 拒绝服务, 端口

Abstract:

The core idea of SDN（software defined networking）is that the control plane and data plane are separated,which makes the network traffic can be flexible controlled.Since SDN has these characteristics,the traffic monitoring and control in SDN have significant differences with traditional IP networks.A network traffic monitoring and control system based on sFlow technology was presented.With the application of sFlow,the process of data collection was separated from the control plane of SDN.The experimental environment was constructed based on OpenDaylight controller and Mininet,and the abnormal traffic was simulated by DoS（denial of service）attacks.The experiments show that the proposed network traffic monitoring and control system can effectively intercept the abnormal traffic.

Key words: SDN, traffic monitoring, DoS, port

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