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Load Balancing Technologies Based On Multipath Routing Protocols In Wireless P2P Network

Posted on:2014-06-05Degree:MasterType:Thesis
Country:ChinaCandidate:S ZhuFull Text:PDF
GTID:2268330398981649Subject:Computer system architecture
Abstract/Summary:PDF Full Text Request
With the continuous development of IT technology, the demands for the access of broadband internet has been changing and compared to the traditional wired network, the wireless P2P network plays an important role in the everyday life due to the potential ability of widely applications. At present the mobile network is gradually replacing the status of the traditional wired network on account of the popularity of the mobile terminal, the continuous expansion of the network coverage area and the diversification of the wireless products. A wide range of mobile devices are added to the network via wireless signal. However, changes of the location of the mobile devices make it more difficult to control these devices for the managers of the wireless network. How to manage these devices to be better able to share the network resources is one of the nowadays challenges.In order to ensure the wireless network operates in a high performance state for a long time, from the point of load balancing the paper respectively optimizes the network node and the communication link, uses the idea of layering to extend the existing multi-path protocols adding a buffer layer above the original transport layer and utilizes fuzzy constraint mechanism in the multi-path selection problem.The paper mainly researches about multipath DSR protocols on the following two aspects:(1)the network device node aspect:the paper makes use of the hierarchical idea adding a caching layer above the existing transport layer, structure the cooperative caching protocol by setting additional cache for the intermediate nodes in the path of the source node with the target node to store the accessed data frequently and the corresponding data path. The experiment proved that the improved multi-path DSR protocol obviously reduces the delay of accessing data compared to the traditional multi-path DSR protocol and the delay will be further reduced if the transmission is changed to asymmetric mode.(2)the communication link aspect: the paper applies the fuzzy system into the multi-path selection, adopts multi-constraint conditions to assess the path and uses the fuzzy processing with membership function to divide the path scalar, then exploits fuzzy criteria to filter and obtain the estimated result after defuzzifying at last. The paper evaluates the path by means of the output. Experiments show that the fuzzy multi-constraint routing protocol can enhance the work performance of wireless network performance compared to other routing protocols.
Keywords/Search Tags:load balancing, hierarchical, multipath, asymmetric, multi-constraint
PDF Full Text Request
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