计算机科学 ›› 2017, Vol. 44 ›› Issue (7): 25-30.doi: 10.11896/j.issn.1002-137X.2017.07.005
• 2016 年全国理论计算机科学学术年会 • 上一篇 下一篇
李阳,蔡志平,夏竟
LI Yang, CAI Zhi-ping and XIA Jing
摘要: 在SDN网络中,及时掌握网络中数据传输路径的运行状态对于控制器进行网络安全监控和流量的负载均衡至关重要。利用SDN网络架构的特点,提出了一种主动测量与被动测量相结合的路径异常监控方法,以对网络路径的运行状态进行异常监控。从路径的延迟和可用带宽两个方面分析网络路径的运行情况,并对出现异常的路径进行检测和报警,保障网络的正常运行。实验结果表明,在不同的网络条件下,所提方法都能有效测量网络路径的延迟和可用带宽,并且能够及时发现网络中出现的路径异常情况。
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