Z. M. Mao

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IP forwarding anomalies, triggered by equipment failures, implementation bugs, or configuration errors, can significantly disrupt and degrade network service. Robust and reliable detection of such anomalies is essential to rapid problem diagnosis, problem mitigation, and repair. We propose a simple, robust method that integrates routing and traffic data(More)
ACKNOWLEDGEMENTS When I shifted my research interest from the theoretical study of discrete event systems to applications of this theory, few believed that the marriage of Discrete Control Theory to computer systems would be successful. Fortunately, Terence Kelly was one of them. I am deeply grateful for his long-term encouragement, support, and commitment(More)
Certain popular metrics have been used to reflect the instability of the Internet control plane, such as the volume and duration of BGP updates. However, it is unclear whether there is a direct relationship between those metrics and the data plane performance, especially as the Internet is becoming more densely connected and many networks become(More)
There are considerable reasons to wish to understand the relationship between the Internet's control and data planes in times for stress. For example, the much publicized Inter-net worms—Code Red, Nimda and SQL Slammer—caused BGP storms, but there has been comparatively little study of whether the storms impacted network performance. In this paper, we study(More)
Traditional Internet traffic studies have primarily focused on the temporal characteristics of packet traces as observed on a single link within an ISP's network. They have contributed to advances in the areas of self-similar stochastic processes, long-range dependence, and heavy-tailed distributions and have demonstrated the benefits of applying a(More)
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