摘要
考虑到缓存是路由交换通信设备能耗的主要来源,该文从交换网络无缓存节能的构想出发,提出了一种自路由群组交换结构的无缓存能耗优化模型。该模型采用G倍统计线复用路由单元和Banyan类交换互连建立群组交换结构,在满足业务对阻塞率和时延性能要求的基础上,采用无内部缓存、路由单元输入输出端口数扩展和级间互连线优化设计来达到节能的目的。相同网络性能下,缓存能耗和结构能耗的量化比较表明该无缓存结构能耗小。仿真实验结果证明:结构参数G越大,网络级数k越小,路由单元能耗越小,在Banyan类交换互连结构中,分治(Divide-and-Conquer,DC)互连方式的级连线能耗最小。
Because buffer is significant for routes and switches energy consumption in network. This paper proposes an energy consumption model of buffer-less self-routing grouping switching. The model with grouping switching fabric constructed by G statistical multiple routing units and Banyan-type exchanges. Based on blocking probability and time delay requirement buffer-less, the number of input/output extensibility and exchange between stages optimal layout are used to save energy. The quantization buffer-less switching fabric energy consumption based on same comparing between buffer energy consumption and network performance shows that： the latter energy consumption is less than the former. The simulation result shows that： the lager parameter G is, the less energy consumption of routing unit is, the less parameter k is, the less energy consumption of routing unit is, and energy consumption of Divide-and-Conquer （DC） exchange between stages is least among Banyan-type switching network.
出处
《电子与信息学报》
EI
CSCD
北大核心
2012年第7期1690-1696,共7页
Journal of Electronics & Information Technology
基金
国家863计划项目(2009AA01A334)
国家973计划项目(2012CB315901)资助课题
关键词
网络能耗
休眠控制
无缓存
自路由
级间互连
Network energy consumption
Sleep control
Buffer-less
Self-routing
Exchange between stages
