基于分布相似度遷移的關(guān)鍵路由設備檢測
[Abstract]:Infrastructure networks (such as power networks, Internet, etc.) have become indispensable facilities for human daily life. In infrastructure network facilities, some nodes are in the key position of the network (such as trans-city, cross-border or trans-continent transfer nodes), and the load on the nodes is heavy. The performance of such key nodes affects or restricts the functions of parts of the network to a great extent. In order to improve the performance of infrastructure network, it is necessary to make effective use of the key nodes in the network. However, the key nodes are usually unknown in advance and need to be detected in real network environment. How to detect the key nodes in the Internet network is the problem to be solved in this paper. This paper focuses on the key infrastructure detection problem, and implements the Internet network behavior data acquisition system, and attempts to use machine learning technology to solve the acquired data. The main contributions of this paper are as follows: (1) A network behavior data acquisition system with a large number of servers and a wide distribution is developed. The system is composed of a hybrid P2P architecture and a stand-alone server as the console to configure and monitor the whole measurement task. All the other servers involved in the test form a P2P network to carry out the measurement work. Considering the influence of routing load balancing, the system adopts Paris-traceroute technology to design the path detection module. In the process of measurement, different communication protocols are designed for different network and computer room conditions. The applicability of the system is greatly improved. (2) A detection algorithm for Internet key routing equipment based on distributed similarity migration is proposed, the steps of which are as follows: 1. In the target domain (current route), suspicious routing devices are automatically identified by spectral clustering method. Secondly, suspicious routing devices (critical routing equipment and non-critical routing equipment) are classified by classification algorithm. For step 2, we propose a classification method based on distributed similarity transfer. This is because in the real environment, the behavior characteristics of different routing devices in different lines are usually different due to some objective factors (network status, routing equipment performance, etc.). The method based on distribution similarity migration can measure the difference of route distribution, so it can effectively migrate the label of route. Through testing on the real data set provided by Huawei, the results show that the proposed method can effectively discover the key routing equipment in the line. At the same time, this method can improve the classification results according to the distribution similarity transfer between different lines.
【學位授予單位】:南京大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TP393.05
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