BWR——带缓冲的虫孔路由技术
Jisuanji Xuebao/Chinese Journal of Computers(2001)
Abstract
MPP互联网中通常使用虫孔路由WR(WormholeRouting)交换技术来提高网络性能.采用该技术,每个结点所需的通信缓冲小;并且当消息长度远远大于微片长度时,消息的传输延迟时间与传输距离无关.但WR技术也具有容易阻塞和产生刹车问题的缺点.该文在WR技术的基础上,提出了带缓冲的虫孔路由BWR(BufferedWormholeRouting)交换技术,并对采用BWR技术的k-aryn-mesh的消息平均传输延迟进行理论分析与模型模拟.结果均表明BWR技术可以较好地解决WR技术带来的问题,可以较好地提高网络的性能.
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Key words
Buffered wormhole routing,Message latency,Simulation,Switching,Virtual channel
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