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In the next generation of wireless networks, mobile users can move among heterogeneous networks, using terminals with multiple access interfaces and non-real-time or real-time services. The most important problem in such environment is the Always Best Connected (ABC) concept permitting the best connectivity to applications anywhere at anytime. In this paper, we compare the performance analysis network selection algorithm RafoQ with SAW, GRA, MEW and TOPSIS. Simulation results demonstrate the effectiveness of the proposed approaches in comparison to the existent ones.