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1. 发明授权

US07382794B1 Parallel round-robin arbiter system and method 失效
标题翻译：并行循环仲裁系统及方法
公开(公告)号：US07382794B1
公开(公告)日：2008-06-03
申请号：US10626424
申请日：2003-07-24
申请人： Si Qing Zheng , Mei Yang , John Blanton , Prasad Golla , Dominique Verchere
发明人： Si Qing Zheng , Mei Yang , John Blanton , Prasad Golla , Dominique Verchere
IPC分类号： H04L12/28
CPC分类号： H04L47/6225 , H04L47/50 , H04L47/60 , H04L49/254
摘要： A Parallel Round-Robin Arbiter (PRRA) system and method for arbitrating among N requesters. A plurality of leaf nodes that correspond to the N requesters form a directed ring of a hierarchical decision tree, wherein the leaf nodes are operable to propagate requests from the requesters. Each leaf node is provided with status logic operable to transmit its priority status for resolution of requests by the decision tree. Logic associated with the decision tree's nodes is operable to hierarchically resolve the requests propagated by the leaf nodes, wherein each leaf node is operable to transmit its grant to one of its immediate leaf node neighbors coupled to it via the directed ring for influencing the neighboring leaf node's priority status logic.
摘要翻译：一种并行循环仲裁器（PRRA）系统和方法，用于在N个请求者之间进行仲裁。对应于N个请求者的多个叶节点形成分层决策树的定向环，其中叶节点可操作以传播来自请求者的请求。每个叶节点被提供有状态逻辑，可操作以发送其优先级状态以便决策树解决请求。与决策树节点相关联的逻辑可操作以分级地解决由叶节点传播的请求，其中每个叶节点可操作地通过经由定向环耦合到其叶直接叶节点邻居之一来传送其授权，用于影响相邻叶节点的优先级状态逻辑。

2. 发明授权

US06804255B1 Hardware implementation of channel scheduling algorithms for optical routers with FDL buffers 失效
标题翻译：用FDL缓冲器的光路由器的信道调度算法的硬件实现
公开(公告)号：US06804255B1
公开(公告)日：2004-10-12
申请号：US09689584
申请日：2000-10-12
申请人： Si Qing Zheng , Yijun Xiong , Marc L. J. Vandenhoute
发明人： Si Qing Zheng , Yijun Xiong , Marc L. J. Vandenhoute
IPC分类号： H04L1256
CPC分类号： H04Q11/0062 , H04Q11/0071 , H04Q2011/0064
摘要： A system and method for implementing channel scheduling algorithms in an optical router wherein a scheduler operates pursuant to an algorithm and is capable of determining the availability of outbound data channels capable of carrying a data packet of duration B. The scheduler is further capable of selecting one channel from available data channels and assigning the data packet to the selected channel. The scheduler then updates state information of the selected data channel, but if no data channel is available to carry the data packet the data packet is dropped.
摘要翻译：一种用于在光学路由器中实现信道调度算法的系统和方法，其中调度器根据算法进行操作并且能够确定能够携带持续时间B的数据分组的出站数据信道的可用性。调度器还能够选择一个信道，并将数据分组分配给所选择的信道。然后，调度器更新所选数据信道的状态信息，但是如果没有数据信道可用于携带数据分组，则丢弃数据分组。

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