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The lack of optical buffer is still one of the main problems that hinder the development of all optical network. The current works on this topic mainly focus on emulating optical buffers with fiber delay line (FDL). Recent advances have shown the feasibility of emulating many kinds of optical buffers, such as the First In First Out (FIFO) buffer, priority buffer, etc. The Last In First Out (LIFO)...
The lack of optical buffer is still one of the main problems that hinder the development of all optical network. The current works on this topic mainly focus on the emulation of optical buffers by using bufferless switch fabric and fiber delay line (SDL). Recent advances have shown the feasibility of emulating many kinds of optical buffers, such as first in first out (FIFO) buffer, priority buffer...
Optical buffering is fundamental to contention resolution in optical networks. The current works on this line mainly focus on the emulation of dedicated input/output buffer queue by using switched fiber delay lines (SDL). It is notable that the shared buffer queue, where a common buffer pool is shared by all the input/output ports of a switch, has the potential to significantly reduce the overall...
We focus on the non-conflicting design of a multistage feedforward network with optical bufferless Switch and fiber Delay Lines (SDL) to emulate an N-to-1 output buffered multiplexer supporting variable length bursts. Y. T. Chen et al. presented a sufficient condition (a bound) to guarantee the non-conflicting and FIFO properties in such a design. In this paper, we first point out the upper bound...
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...
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