MANET網(wǎng)絡管理框架體系研究
[Abstract]:Mobile ad hoc network (Manet) is a multi-hop network. The topology connectivity of the whole wireless network will change with node movement, node or link failure, node access and de-networking. This kind of change makes the network management face serious challenge, the traditional client / server management mode can no longer meet the management requirements of Ad hoc network. In order to adapt to these characteristics of Manet, researchers have proposed many network management architectures and technologies. This paper focuses on the study of Manet network management framework system, focusing on the management framework, management domain division, management domain rapid formation of broadcast algorithms and so on. At the same time, a prototype management system is designed and implemented to verify the frame model in the actual environment. The main contents of this paper are as follows: 1) aiming at the Manet network environment, a hierarchical adaptive management architecture is proposed in this paper. The architecture can flexibly adapt to different network changes and requirements, reduce the pressure of central node management, and give full play to the management function of central node. Secondly, combining the advantages of structured and centralized networks, a two-layer hybrid P2P network communication model is proposed. Two layers of network work together, fully integrate the advantages of P2P network, have fast and efficient lookup and location ability, and combine with the model of management domain partition, at the same time, It enhances the expansibility and load balancing ability of the whole network. 2) all the functions of the management system are divided and managed by the hierarchical method, which depends on the partition algorithm of the management domain. In order to improve the stability and management ability of the management system structure, the paper introduces the performance U value to judge the ability of the node to undertake the management task, on the basis of the partition algorithm based on the minimum ID, combined with the idea of "weight value" partitioning method. Rebuild the management domain. In this paper, a management domain partition and maintenance algorithm based on U value is proposed, and the division of management domain is considered when there are too many nodes in the region. The analysis shows that the algorithm can make full use of the processing power of each node, maintain the stability of the management network and improve the overall effect of network management. It is necessary for nodes to interact state information. Broadcast is the basic mode of information distribution and an important part of routing discovery. This paper focuses on the analysis of the broadcast algorithm on the management domain establishment time. On the basis of analysis, this paper proposes a fast broadcast method based on time delay label management domain, and improves it. The results of principle analysis and simulation analysis show that the delay label broadcast algorithm can greatly reduce the time of establishing the network management domain. 4) the assumption of the management model at the design time may not always be in line with the actual situation. The challenge of managing a real ad hoc network environment is that it is not always visible in a simulated environment. Therefore, in the laboratory environment, based on JMX architecture, the prototype management system of Manet network is developed using Java language in Java2SDK1.6 environment. The design and implementation of the management system is based on the combination of hierarchical and distributed management, and the concept of management domain is introduced into the overall design. Through the operation of the prototype management system, it is shown that using the management framework in the paper can enhance the expansibility and load balancing ability of the whole network, and the management system has good scalability and flexible deployment ability.
【學位授予單位】:南京郵電大學
【學位級別】:博士
【學位授予年份】:2014
【分類號】:TN915.07
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