A Recursive Knockout Switching Fabric with  Crossbar  Input and Input  Buffered Architecture

Liu Yashe; Liu Zengji; Hu Zheng

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A Recursive Knockout Switching Fabric with Crossbar Input and Input Buffered Architecture

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- A Recursive Knockout Switching Fabric with Crossbar Input and Input Buffered Architecture
- Acta Electronica Sinica Issue 4, (1999)
- 作者机构：
  
  西安电子科技大学综合业务网理论与关键技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.254;TN911.254
- Published：1999
- 稿件说明：
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[1]刘亚社,刘增基,胡征.具有纵横输入互连方式和缓冲结构的递归Knockout交换网络[J].电子学报,1999(04):12-15+19.

Liu Yashe, Liu Zengji, Hu Zheng. A Recursive Knockout Switching Fabric with Crossbar Input and Input Buffered Architecture[J]. Acta Electronica Sinica, 1999, (4).
[1]刘亚社,刘增基,胡征.具有纵横输入互连方式和缓冲结构的递归Knockout交换网络[J].电子学报,1999(04):12-15+19. DOI：

Liu Yashe, Liu Zengji, Hu Zheng. A Recursive Knockout Switching Fabric with Crossbar Input and Input Buffered Architecture[J]. Acta Electronica Sinica, 1999, (4). DOI：

摘要

本文提出了具有纵横输入（ＣｒｏｓｂａｒＩｎｐｕｔ）互连方式和输入缓冲（ＩｎｐｕｔＢｕｆｅｒｅｄ）结构的递归Ｋｎｏｃｋｏｕｔ交换网络（ＣＩＢＲＫＳ）．通过采用纵横输入互连方式可减少内部小交换单元的数目，并可使信元传送顺序不会受群输出端口数目的影响．而通过在每个输入端放置缓冲器可在保持丢失率性能不变的情况下，可使整个交换网络的级数减少，从而也就减少了信元在群网络中的传输时延．另外，在该结构中，通过把信元滤址的功能从每个小交换单元中提取出来放在每个输入端口，又进一步减少了小交换单元的功能．通过比较，我们认为，作为大规模ＡＴＭ交换网络结构，ＣＩＢＲＫＳ结构比传统的ＲＫＳ结构具有较好的性能／复杂度特性．

Abstract

In this paper

an improved recursive knockout switching （RKS） fabric with the crossbar input interconnection and input buffered architecture （CIB RKS） is proposed.In this architecture

the number of switching elements （SWEs） is decreased and the contradiction of the cell transmission sequence and the cell loss performance measure are eliminated due to the crossbar interconnection structure.The number of the switch stage and the delay of cells through the switch fabric are decreased resulting from input buffers.In addition

the function of each SWE is simplified by separating the cell address filter with the cell concentration.We conclude that CIB RKS architecture is better than the traditional RKS architecture from the view point of the performance/complexity characteristics.

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