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Design and Implementation of Remote Device Access Facility to Support Device Migration

Wireless connections between computers and devices introduce a new problem called device migration, which is the dynamic switching of a connection between a computer and a device. This paper describes a new system called the Network Extended Device Management System (NextD), which enables users to continue using a device even if device migration occurs. NextD's functions are device tracking, remote device access, seamless switching, and providing services over network boundaries. The system supports many device types, including a human interface device (HID) and audio and voice devices over both wireless and wired connections. We have implemented NextD on Linux. Experimental results showed that NextD is capable of supporting HIDs, and audio and voice devices, and that its processing time for a device migration is sufficient enough for actual use.