Desynchronized Input Buffered Switch with Buffered Crossbar

Man-Soo HAN  Dong-Yong KWAK  Bongtae KIM  

IEICE TRANSACTIONS on Communications   Vol.E86-B   No.7   pp.2216-2219
Publication Date: 2003/07/01
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Switching
input buffered switch,  buffered crossbar,  arbitration,  synchronization,  

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We propose a new input arbitration method for an input buffered switch with a buffered crossbar. In the proposed method, each input module selects the first eligible queue from the starting point. The starting points of input modules are different from each other in any case. We show that the uniqueness of the starting points improves the switch performance. Finally, using computer simulations, we confirm the proposed method is better than the conventional method under the uniform and on-off traffic.