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In this paper, we focus on the feedback construction of FIFO shared optical buffer queue from bufferless switch and fiber delay lines. The construction consists of an (M+2)times(M+2) crossbar switch and M fiber delay lines with delay d1, d2, ... , dM which are connected from M outputs of the switch fabric to M inputs. We show that, when setting di = min(M + 1 - i, i), i = 1, ... , M, such a construction can work as a 1-to-2 shared buffer queue.
Date of Conference: 15-17 May 2008