A data duplicating system for maintaining data consistency in a mobile Ad-hoc network and a method therefor are provided to reduce message transmission overhead and the retraction rate of data by accessing only a main copy node when read-only transaction is executed. Each of SMH(Small Mobile Host) nodes includes an N-table for storing a list of accessible neighbor LMH(Large Mobile Host) nodes. Each of LMH nodes comprises the followings: a C-table for storing information of accessible group LMH nodes; a P-table for storing main copy information which can be renewed; and a C-table for storing renewed data information to transmit data.

Method for constructing ad-hoc network by using auto-configuration of ip address

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Data double system and method for maintaining the consistent of data in a mobile ad-hoc network

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