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1. 发明申请

US20140029627A1 Managing Crossbar Oversubscription 有权
标题翻译：管理交叉栏超额订阅
公开(公告)号：US20140029627A1
公开(公告)日：2014-01-30
申请号：US13561921
申请日：2012-07-30
申请人： Lalit Kumar , Deepak Mayya , Amit Singh , Rajesh L. G.
发明人： Lalit Kumar , Deepak Mayya , Amit Singh , Rajesh L. G.
IPC分类号： H04L29/02
CPC分类号： H04L47/22 , H04L47/25 , H04L49/30
摘要： A number of ports are configured in a linecard in a network device as dedicated ports and a remaining number of ports as shared ports. A total bandwidth allocated to the dedicated ports is computed. It is determined that available bandwidth at a central crossbar is greater than the total bandwidth allocated to the dedicated ports. The total data sent the central crossbar is rate limited to less than the available bandwidth at the central crossbar. First data associated with the dedicated ports is scheduled to the central crossbar using a first priority. Second data associated with the shared ports is scheduled using a second priority. A shared port data is scheduled based on a ration of a bandwidth requirement for the shared port as a fraction of overall bandwidth requirement for the shared ports.
摘要翻译：多个端口在网络设备的线路卡中配置为专用端口，剩余端口数量作为共享端口配置。计算分配给专用端口的总带宽。确定中央交叉开关处的可用带宽大于分配给专用端口的总带宽。发送中央交叉开关的总数据速率被限制为小于中央横梁上的可用带宽。使用第一优先级将与专用端口相关联的第一数据调度到中央交叉开关。使用第二优先级调度与共享端口相关联的第二数据。共享端口数据根据共享端口的带宽要求的比例作为共享端口的总带宽需求的一小部分进行调度。

2. 发明授权

US08867560B2 Managing crossbar oversubscription 有权
标题翻译：管理交叉超额认购
公开(公告)号：US08867560B2
公开(公告)日：2014-10-21
申请号：US13561921
申请日：2012-07-30
申请人： Lalit Kumar , Deepak Mayya , Amit Singh , Rajesh L G
发明人： Lalit Kumar , Deepak Mayya , Amit Singh , Rajesh L G
IPC分类号： H04L12/28 , H04L12/935 , H04L12/825 , H04L12/815
CPC分类号： H04L47/22 , H04L47/25 , H04L49/30
摘要： A number of ports are configured in a linecard in a network device as dedicated ports and a remaining number of ports as shared ports. A total bandwidth allocated to the dedicated ports is computed. It is determined that available bandwidth at a central crossbar is greater than the total bandwidth allocated to the dedicated ports. The total data sent the central crossbar is rate limited to less than the available bandwidth at the central crossbar. First data associated with the dedicated ports is scheduled to the central crossbar using a first priority. Second data associated with the shared ports is scheduled using a second priority. A shared port data is scheduled based on a ration of a bandwidth requirement for the shared port as a fraction of overall bandwidth requirement for the shared ports.
摘要翻译：多个端口在网络设备的线路卡中配置为专用端口，剩余端口数量作为共享端口配置。计算分配给专用端口的总带宽。确定中央交叉开关处的可用带宽大于分配给专用端口的总带宽。发送中央交叉开关的总数据速率被限制为小于中央横梁上的可用带宽。使用第一优先级将与专用端口相关联的第一数据调度到中央交叉开关。使用第二优先级调度与共享端口相关联的第二数据。共享端口数据根据共享端口的带宽要求的比例作为共享端口总带宽要求的一小部分进行调度。

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