Scheduling length for switching element disjoint multicasting in Banyan-type switching networks

Tscha, Yeong-Hwan

doi:10.1016/s1383-7621(02)00135-2

Journal of Systems Architecture

2003

DOI: 10.1016/s1383-7621(02)00135-2

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Scheduling length for switching element disjoint multicasting in Banyan-type switching networks

Yeong-Hwan Tscha

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2006

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“…A class of wide-sense nonblocking multicasting networks is proposed in [23]. To the best of our knowledge, the only result on crosstalk-free multicasting is presented in [24], which is a time domain approach.…”

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confidence: 99%

Crosstalk-free conjugate networks for optical multicast switching

Deng

Lee

2006

J. Lightwave Technol.

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Abstract-High-speed photonic switching networks can switch optical signals at the rate of several terabits per second. However, they suffer from an intrinsic crosstalk problem when two optical signals cross at the same switch element. To avoid crosstalk, active connections must be node-disjoint in the switching network. In this paper, we propose a sequence of decomposition and merge operations, called conjugate transformation, performed on each switch element to tackle this problem. The network resulting from this transformation is called conjugate network. By using the numbering-schemes of networks, we prove that if the route assignments in the original network are link-disjoint, their corresponding ones in the conjugate network would be nodedisjoint. Thus, traditional nonblocking switching networks can be transformed into crosstalk-free optical switches in a routine manner. Furthermore, we show that crosstalk-free multicast switches can also be obtained from existing nonblocking multicast switches via the same conjugate transformation.

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mentioning

confidence: 99%

Crosstalk-free conjugate networks for optical multicast switching

Deng

Lee

2006

J. Lightwave Technol.

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Scheduling length for switching element disjoint multicasting in Banyan-type switching networks

Cited by 1 publication

References 29 publications

Crosstalk-free conjugate networks for optical multicast switching

Crosstalk-free conjugate networks for optical multicast switching

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