A Multi-Plane Packet Switch Based on Combined Packet Distribution and Hierarchical Priority Scheduling(Switching)

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概要

• 論文の詳細を見る

• A large-scale packet-switch architecture for a tera bit/s system-which uses a combined-packet-distribution (CPD) method for a crossbar packet switch-was developed. This method eliminates the restriction on scheduling processing time by extending a switching data unit. The data unit is called a combined packet that consists of plural variablelength packets or their fragments. The combined packets are sequentially distributed among multiple crossbar switch planes and their sequence integrity is preserved. Distributive targets among the switch planes are selectable. As a result, when one or more switch planes are damaged, redundancy of the switch fabric is easily attained in a so-called "graceful degradation" manner. Moreover, this switch uses a novel algorithm called hierarchical priority scheduling. This algorithm enables fairness of scheduling by taking account of queuing state. The repetition required for priority scheduling is reduced by a novel hierarchical approach. The simulated performance of this algorithm shows that it performs better than the simple maximal matching method under both uniform and non-uniform traffic.

• 社団法人電子情報通信学会の論文
• 2004-07-01

著者

• TOYODA Hidehiro

  Central Research Laboratory, Hitachi, Ltd.

• Toyoda Hidehiro

  Central Research Laboratory Hitachi Ltd.

• Moriwaki Norihiko

  Central Research Laboratory Hitachi Ltd.

• TAKASE Masayuki

  Central Research Laboratory, Hitachi Ltd.

• Takase Masayuki

  Central Research Laboratory Hitachi Ltd.

関連論文

• A 100-Gb/s-Physical-Layer Architecture for Higher-Speed Ethernet for VSR and Backplane Applications(VLSI Architecture for Communication/Server Systems,VLSI Technology toward Frontiers of New Market)
• 100-Gb/s Physical-Layer Architecture for Next-Generation Ethernet( The Next Generation Ethernet Technologies)
• Signal Transmission and Coding Architecture for Next-Generation Ethernet(New Technologies in the Internet and their Applications)
• A Multi-Plane Packet Switch Based on Combined Packet Distribution and Hierarchical Priority Scheduling(Switching)

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