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1. 发明授权

US06985442B1 Technique for bandwidth sharing in internet and other router networks without per flow state record keeping 有权
标题翻译：互联网和其他路由器网络带宽共享技术，无流量状态记录保存
公开(公告)号：US06985442B1
公开(公告)日：2006-01-10
申请号：US09625760
申请日：2000-07-26
申请人： Zheng Wang , Zhiruo Cao
发明人： Zheng Wang , Zhiruo Cao
IPC分类号： H04J1/16
CPC分类号： H04L47/10 , H04L47/11 , H04L47/30 , H04L47/32
摘要： In a network of interconnected edge and core routers, where packet data flows are received at edge routers and then transmitted toward intended destinations via a path through one or more core routers, fair bandwidth sharing is achieved without per-flow state monitoring in the interior routers. Each edge router is arranged to divide each input data flow into a set of layers each having an associated level, based on rate. The division process is done without reference to the content of the flow, and can use layers of equal or unequal size. The packets in a flow are marked at an edge router with their layer level, in a globally consistent manner. Each core router maintains a layer level threshold, based upon buffer management conditions, and drops layers whose level exceeds the threshold. During congestion, the level threshold is decreased; when congestion clears, the level threshold is increased.
摘要翻译：在互连的边缘和核心路由器的网络中，其中分组数据流在边缘路由器处被接收，然后经由一个或多个核心路由器经由路径被发送到预定目的地，而在内部路由器中没有实现每流状态监视。每个边缘路由器被布置成基于速率将每个输入数据流划分成一组各自具有相关联级别的层。分割过程完成时不参考流的内容，并且可以使用相等或不等大小的层。流中的数据包以全局一致的方式在其层级标记在边缘路由器上。每个核心路由器基于缓冲区管理条件维护层级阈值，并丢弃级别超过阈值的层。在拥塞期间，级别阈值下降; 当拥塞清除时，级别阈值增加。

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