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This paper presents Pegasus, a system providing wireless connection roaming at high velocities over multiple interfaces. The system operates over WiMax, as well as over "In situ" WiFi networks, while at the same time offering transparency to user level applications by allowing a single IP address per user, operating in a decentralized mode. One of the most important findings is that in a system where handoffs delay minimization is crucial, network information for user locations and used paths can be used for effective and balanced utilization of the available bandwidth. The paper exploits this by caching DHCP connections, which the author store on the server, as well as selecting superior Access Points (AP) to use when clients handover.
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