电子学报2012，Vol.40Issue(12)：2360-2366,7.DOI:10.3969/j.issn.0372-2112.2012.12.002
一种新型的负载均衡-交叉点缓冲交换结构
A New Type of Load-Balanced Crosspoint-Queued Switch Fabric
摘要
Abstract
The combined-input-crosspoint-queued switch is constrained by the delay of flow control and speedup for output-queued Switch emulation. A pure crosspoint-queued switch does not achieve good throughput performance under non-uniform traffic pattern. A type of switch architecture, load-Balanced crosspoint-queued switch, is proposed. By a load-balanced processing with predetermined patterns at extra switch fabric stage, the non-uniform traffic arriving at input port is transformed into uniform traffic and distributed evenly to every small cross-point buffer at switch fabric and corresponding to the same input port, which can lead to simpler scheduling and better QoS performance. Analysis shows the stability of such architecture and numerical results show that this switch architecture achieves approximately delay performance as output-queued switch without internal acceleration and much better throughput than pure crosspoint-queued switch under non-uniform traffic.关键词
交换结构/负载均衡/交叉点缓冲/服务质量Key words
switch fabric/ load-balanced/ crosspoint- queued/ quality of service分类
信息技术与安全科学引用本文复制引用
徐宁,余少华,汪学舜..一种新型的负载均衡-交叉点缓冲交换结构[J].电子学报,2012,40(12):2360-2366,7.基金项目
国家高技术研究发展计划"八六三"项目(No.2005AA121410) （No.2005AA121410）
