信息中心網絡綠色QoS路由機制的設計與仿真實現(xiàn)
[Abstract]:With the advent of big data era, the current end-to-end transmission mechanism of the Internet can not meet the needs of mass data transmission in the network. At the same time, the current Internet access mode from the traditional fixed access to the current fixed access and mobile access parallel access mode, so that the terminal position is no longer completely fixed, the current Internet with IP address as the core, End-to-end transmission mechanism is not suitable for terminal position is not fixed transmission. In order to solve the problem of congenital defects brought about by the current Internet transmission mode, people begin to think about the transmission mechanism of the future Internet, and then carry out a revolutionary redesign of the current Internet architecture and routing mechanism. Information center network (Information-Centric Networking, ICN) came into being under this background. Both academia and industry are thinking about the routing mechanism of the information center network, and this paper also studies the routing mechanism of the information center network. With the rapid increase of Internet power consumption and greenhouse gas emissions, green and environmental protection have become the basic requirements of network construction and development. Therefore, according to the existing information center network architecture and working principle and other related basic research results, based on the information center network has the characteristics of content naming, content name retrieval and natural backup, etc. The green routing mechanism of information center network is designed. In the process of content transmission, according to the link energy efficiency state and the green routing algorithm, the network traffic is dynamically adjusted, and the more energy-efficient path transmission content is selected. Routing nodes in information center networks require routing, switching, computing, storage, self-sensing and self-management capabilities. At the same time, the new network applications (such as network learning, video conference, online training and telemedicine) in recent years are also increasing rapidly. Users are demanding higher quality of service (Quality of Service, QoS) and fault-tolerance of the network. Therefore, the design of green routing mechanism in information center should take into account the quality of service and fault tolerance. In this paper, the user's QoS requirements are considered, and the end-to-end QoS evaluation of the selected path is maximized during routing. At the same time, in order to ensure the end-to-end reliability, this paper establishes the working path and the protection path at the same time. The multi-objective QoS routing problem has been proved to be a complete NP problem due to the constraints of multiple QoS parameters, so the intelligent water drop algorithm is introduced to solve the optimization problem in this paper. In this paper, the green QOS routing mechanism of information center network is simulated and compared with the benchmark mechanism. The results show that the proposed green QoS routing mechanism in the information center network is feasible and effective in terms of energy saving and meeting the QOS requirements of users.
【學位授予單位】:東北大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TN929.5
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