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The Research of Load Balancing in P2P-based MMOG

Author: DongZhiFu
Tutor: ZhaoGuangLi
School: Dalian Maritime University
Course: Computer Science and Technology
Keywords: P2P DHT MMOG Load balancing K-ary tree
CLC: TP393.02
Type: Master's thesis
Year: 2011
Downloads: 24
Quote: 1
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Abstract


DHT - based P2P network , although many algorithms have been proposed to solve the load balancing problem , these algorithms or ignore the network node heterogeneity, disturbance , or when the load transfer between nodes without considering its near relations , thus the impact of load balancing costs and speed , or the the centralized coordination dynamic load balancing algorithm , but this algorithm may exist a single point of failure problem , not completely distributed . The massively multiplayer online games (massively multiplayer onlinegames, MMOG) system of these issues require a relatively high , so the above drawbacks of this article to complete the following tasks : 1 ) for load balancing algorithm does not consider the relationship between nodes near , thus affecting the cost of load balancing and speed , so this design a load balancing algorithm to consider the relationship between nodes near the algorithm uses a strategy based on the virtual server , while improving the Transfer strategy one-on-one mode for many-to-many mode . When a node is overloaded , the greedy algorithm to find the nearest suitable light-load nodes share the load , making the transfer of load between nodes consumption is reduced . 2) The concrete realization of a considered node close to the relationship between the load balancing algorithm , through the establishment of a fully distributed K-ary tree , call LIB modules along K -tree leaf node to the root node of the collecting system information , call the NTS module to identify carrier node , call the VSA module load transfer to the deployment of information , last call the VST module in accordance with the VSA information to achieve load transfer . 3) a simulation algorithm designed for the load balancing algorithm proposed in this paper , the program structured overlay network generated by Peersim the inherited the node interface Peersim KTnode class , considered by KTnode class node close to the relationship between the load balancing algorithms , as well as prepare the the emulation configuration files , and statistical analysis of class and the protocol class implements simulation program . Simulation experiments , improved load balancing algorithm in this article and did not consider the near relations Proportion algorithm set topology 1 and topology 2 under operation , and the analysis and comparison of the simulation results of the two algorithms . The experiments show that the proposed algorithm has considerably reduced the cost of load balancing and the ability to accelerate the speed of load balancing .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer network architecture and design
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