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With today's widespread deployment of wireless technologies, it is often the case that a single communication device can select from a variety of access networks. At the same time, there is an ongoing trend towards integration of multiple network interfaces into end-hosts, such as cell phones with HSDPA, Bluetooth and WLAN. By using multiple Internet connections concurrently, network applications...
The co-existence of heterogeneous access technologies with largely different characteristics results in handoff asymmetry. As the convergence of dissimilar networks has been envisioned to characterize the next generation wireless networks, the seamless and efficient handoff between different access technologies (vertical handoff) has become essential. As the "best" network has to be chosen,...
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