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Software Defined Networking (SDN) enables network innovation and brings flexibility by separation of the control and data planes and logically centralized control. However, this network paradigm complicates flow rule management. Current approaches generally install rules reactively after table misses or pre-installs them by flow prediction. Such approaches consume nontrivial network resources during...
Link flooding attack (LFA), as a new type of DDoS attack, can degrade or even cut off network connectivity of a target area. This attack employs legitimate, low-density flows to flood a group of selected links. Therefore, these malicious flows can hardly be distinguished by traditional schemes. In this paper, we propose a scheme called Woodpecker, which makes the LFA more difficult to take effect...
As the soul of the Software-Defined Networking (SDN), the quality of control plane applications determines the reliability of the networks. Unfortunately, better programmability in SDN increases the risk of bugs and challenges for testing. Because manually testing seems to be inefficient, automatic testing methods become promising alternative. Both white-box method with models and black-box method...
Geographic Information System (GIS) not only has the function of managing geographic information and processing graphics, but also can resolve the problems of complex spatial analysis, spatial simulation and spatial decision-making. Geographic fractal research, whether measuring fractal dimension or simulating fractal structure, is a rule and complicated process. Some popular GIS software has many...
Mobile IPv6 (MIPv6) protocol is a new protocol designed to support the node mobility of IPv6 protocol, which is a basic protocol of the next generation Internet. Protocol testing consists of conformance testing, interoperability testing and performance testing. Protocol emulation testing, which we adopt in this paper, is a way of protocol testing. This paper designs an emulation-based method for performance...
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