Fuzzy-Based Multi-Criteria Routing Algorithm in Mesh Overlay Networks
نویسندگان
چکیده
A multi-criteria routing algorithm running in mesh structured that overlay an unstructured peer-to-peer network is proposed. This approach aims to improve the quality of service routing (QoSR) of the modern distributed application. Using a grid pattern can improve routing remarkably, since it provides alternative and partly disjunctive paths of equal length as well as the ability to measure distances between nodes in the overlay network. The Thermal Field Approach is used for representing buffer usage level to avoid message loss and long delay times. As well as the Euclidean distance is applied to present relationship of distance among application contents or peer location. The route decision method uses fuzzy logic technique to select the optimal path considering multiple constraints. The proposed algorithm is evaluated using P2PNetSim, a network simulation tool. The approach is compared to shortest path routing and probability functions using either deterministic or adaptive approach. The result of routing with fuzzy logic shows superior routing performance than others both in delivery ratio and routing time.
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