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In this paper, the author's measure performance matrix of various routing protocols based on ant routing in Mobile Ad hoc NETwork (MANET), inspired by ant colony optimization and enhanced by fuzzy logic technique as failure management. In Ant based route discovery, the transmission delay of each link, processing delay at each node, the available bandwidth capacity of each link, and the number of hops visited are collected by the ant agents to estimate the path preference probability. Then the route with higher preference probability is established. For failure management, the node mobility and the link disconnection are predicted using the fuzzy logic and based on this predicted results, route or node failure is identified.