基于SDN的服務(wù)鏈的研究與實(shí)現(xiàn)
[Abstract]:SDN is a new network architecture and a new network programming method. The technical highlight of SDN architecture is the separation of control plane and data plane. The importance of software in network is emphasized. Service chain is a kind of forwarding technology, whose goal is to guide network service packets through service nodes in order. The service node is the device that processes the specific service in the network. It can be physical device or virtual device according to the service type configured in the service list. In theory, the service chain supports any number of service nodes and network services, but needs to be selected according to the requirements of specific scenarios. In this paper, the service chain of engineering practice based on H3C platform is single service node, while the service chain based on OpenDaylight platform scheduling strategy research is multi-service node and multi-service chain. Based on H3C platform, the essence of Service Chain (SC) module is to combine the modules of service chain system with various functions, which makes the cooperation between modules orderly, safe and efficient, in order to realize the function of service chain in this scenario. The main work of the author is to complete the requirement analysis of SC module, coding implementation and networking to verify its feasibility. Based on the OpenDaylight platform, the author analyzes the service function scheduling strategy of the existing service chain system, and proposes two scheduling strategies: based on Shuffle scheduling policy and based on priority scheduling policy. Under the premise of realizing random scheduling, the former maximizes the utilization ratio of service function. The latter can meet the demand of decreasing or increasing the content of the same type of service function, and can set the priority of the service function at any time to avoid the individual service function remaining idle, and design the related scheduling scheme to verify its feasibility.
【學(xué)位授予單位】:西南交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TP393.0
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