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In this paper, we present a novel distributed algorithm to solve the logical topology reconfiguration problem for IP over WDM networks under dynamic traffic. From the optimization model proposed in, we apply the Lagrangian relaxation to eliminate the capacity constraint and form a dual problem whose optimal solution is the lower bound of the original one. The dual problem is then decomposed into subproblems,...
In WDM all-optical networks, the use of wavelength converters can increase the wavelength resource efficiency and reduce the blocking probability. However, all-optical wavelength converters are likely to remain costly devices. Moreover, the blocking probability does not decrease linearly with the number of converters. Hence, it is desirable that just a limited amount of wavelength converters are used...
Designing IP-based RFID system allows low cost deployment and easy integration with IP-based services. In this paper, we propose IP-based RFID architecture and focus on location management which allows determining ldquowhererdquo the object is after moving. The IP-based RFID architecture includes several components that allow collecting information from RFID infrastructure and updating the current...
Current mobile terminals are often equipped with several network interfaces, which may be of different access technologies, both wireless and cellular. It is possible to select dynamically the best interface according to different attributes such as the interface characteristics, user preferences and/or application preferences, ... MADM is an algorithmic approach suitable to realize a dynamic interface...
LEARNING OUTCOME: To describe the efficacy of computerized multimedia as a teaching tool for selected topics in a medical nutrition therapy course. The purpose of this study was to compare the effectiveness of multimedia as a teaching tool with traditional teaching methods in a medical nutrition therapy course. Lectures covering renal and liver diseases were presented using a traditional approach...
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