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With the mobile communication market increasingly moving towards value-added services the network cost will need to be included in the service offering itself. This will lead service providers to optimize network usage based on real cost rather than the simplified network plans sold to consumers traditionally. Meanwhile, today's mobile devices are increasingly containing multiple radios, enabling users on the move to take advantage of the heterogeneous wireless network environment. In addition, the authors observe that many bandwidths intensive services such as video on demand and software updates are essentially non real-time and buffers in mobile devices are effectively unlimited.
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