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To realize the potential benefits of SDN, tremendous amount of network information has to be collected, stored, processed and retrieved for the central routing and resource allocation optimization in near real-time. However, the current SDN-Open Flow controller and management applications did not address this issue properly and could not easily and efficiently retrieve and utilize the available analytics...
Classical TE methods calculate the optimal routing based on a known traffic matrix. However, they are unable to handle unexpected traffic changes. Thus, various methods were proposed in recent years, such as online dynamic TE and robust static routing TE. However, online dynamic TE requires additional overhead on routers for information dissemination and suffers from the transient disruptions during...
Bus Net is a kind of wireless network which is consist of buses and bus stations. It has the following features: 1) no end-to-end connection between source and destination, 2) intermittent connectivity, 3) high end-to-end delays. However, unlike the other DTNs, the node's mobility in Bus Net is semi-deterministic, which means the node's line is determined but the arriving time is undetermined. With...
Most of the villagers are still living in the information-poor environment because of the lack of network resources, which has seriously hindered the development of local economy and culture. But building high-cost-infrastructure between the village and the city is unrealistic. Based on the Bundle Protocol of Delay-Tolerant Network, our system connected the LAN of the village and the Internet in the...
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