| 摘要 |
PURPOSE: A network switching method in a multi-network is provided to guarantee stability of communication by automatically switching to a suitable network according to a change in a situation of each network with respect to devices available for multi-network connection. CONSTITUTION: It is checked whether a factor for network switching occurs in a multi-network, and if so, currently available networks are checked(S1,S2). If only one network is currently available, it is switched to the available network, where as if two or more networks are currently available, each support capability with respect to a QoS requested by an application program is evaluated(S3-S7). If only one of the two or more currently available networks satisfies the evaluation result requirement value, it is switched to the corresponding network, whereas if there are more networks satisfying the evaluation result requirement value, evaluation is performed on the amount of power consumption of each network(S8-S10). It is switched to a network with the highest evaluation value based on the evaluation result(S11).
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