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This paper reviewed the taxonomy of switching fabrics, and introduced the single-stage, multi-stage and multiplane multi-stage switching fabrics studied widely nowadays from the aspects of the switching architecture, scheduling algorithms and QoS guarantee. It reviewed the key elements and results of these switching fabrics, and compared them on the aspects of the implementation complexity, scalability, throughput, QoS guarantee. It also presented some iisues to be addressed in the development of high-speed switching fabrics. The efforts made in this paper can provide the reference for studying the high-speed switching fabrics further. [ABSTRACT FROM AUTHOR]

In order to precaution known and unknown attack of RFID technology, this paper proposed multi-decision tree model based on the analysis of RFID security protocol to check the intrusion behavior. By the analysis of the multi-decision tree model, the model can find the relationship of different attack of RFID technology. And the model has the advantage of extensibility and high efficiency, which make the multi-decision tree model suitable for all practical application of RFID system. [ABSTRACT FROM AUTHOR]