公开(公告)号：US07826469B1

公开(公告)日：2010-11-02

申请号：US12400529

申请日：2009-03-09

申请人： Xianzhi Li ,  Hongsheng Ping ,  Qingming Ma

发明人： Xianzhi Li ,  Hongsheng Ping ,  Qingming Ma

IPC分类号： H04L12/28

CPC分类号： H04L47/6215 ,  H04L47/2441 ,  H04L49/90 ,  H04L49/901 ,  H04L49/9036

摘要： In general, the invention is directed to techniques for improving memory utilization in a priority queuing system of a network device. More specifically, a priority queue memory management system is described in which memory pages are assigned to the various priority queues in order to implement an efficient first in, first out (FIFO) functionality. The dynamic memory techniques described herein allow the multiple priority queues to share a common memory space. As a result, each priority queue does not require a pre-allocated amount of memory that matches the aggregate size of the packets that must be buffered by the queue.

摘要翻译： 通常，本发明涉及用于提高网络设备的优先级排队系统中的存储器利用率的技术。 更具体地，描述了优先级队列存储器管理系统，其中存储器页被分配给各种优先级队列，以便实现有效的先入先出（FIFO）功能。 这里描述的动态存储器技术允许多个优先级队列共享公共存储器空间。 因此，每个优先级队列不需要与必须由队列缓冲的数据包的聚合大小相匹配的预先分配的内存量。

公开(公告)号：US20110194409A1

公开(公告)日：2011-08-11

申请号：US12700850

申请日：2010-02-05

申请人： David J. OFELT ,  Jean-Marc FRAILONG ,  Wing Leong POON ,  Aibing ZHOU ,  Xianzhi LI ,  Hongsheng PING

发明人： David J. OFELT ,  Jean-Marc FRAILONG ,  Wing Leong POON ,  Aibing ZHOU ,  Xianzhi LI ,  Hongsheng PING

IPC分类号： H04L12/56

CPC分类号： H04L49/505

摘要： A network device includes a receiver component that generates flow control information. The network device also includes a transmitter component that receives a packet for forwarding to the receiver component, receives flow control data for the packet from the receiver component, and provides the packet and the flow control data for the packet to a fabric component. The fabric component performs a congestion management operation for the packet, and forwards the packet to the receiver component based on the flow control data and results of the congestion management operation.

摘要翻译： 网络设备包括产生流量控制信息的接收器组件。 网络设备还包括发送器组件，其接收用于转发到接收器组件的分组，从接收器组件接收分组的流控制数据，并将分组和分组的流控制数据提供给组织组件。 组播组件对分组进行拥塞管理操作，并根据流量控制数据和拥塞管理操作的结果将分组转发给接收方组件。

公开(公告)号：US08588241B1

公开(公告)日：2013-11-19

申请号：US12911476

申请日：2010-10-25

申请人： Xianzhi Li ,  Hongsheng Ping ,  Qingming Ma

发明人： Xianzhi Li ,  Hongsheng Ping ,  Qingming Ma

IPC分类号： H04L12/28

CPC分类号： H04L47/6215 ,  H04L47/2441 ,  H04L49/90 ,  H04L49/901 ,  H04L49/9036

摘要： In general, the invention is directed to techniques for improving memory utilization in a priority queuing system of a network device. More specifically, a priority queue memory management system is described in which memory pages are assigned to the various priority queues in order to implement an efficient first in, first out (FIFO) functionality. The dynamic memory techniques described herein allow the multiple priority queues to share a common memory space. As a result, each priority queue does not require a pre-allocated amount of memory that matches the aggregate size of the packets that must be buffered by the queue.

摘要翻译： 通常，本发明涉及用于提高网络设备的优先级排队系统中的存储器利用率的技术。 更具体地，描述了优先级队列存储器管理系统，其中存储器页被分配给各种优先级队列，以便实现有效的先入先出（FIFO）功能。 这里描述的动态存储器技术允许多个优先级队列共享公共存储器空间。 因此，每个优先级队列不需要与必须由队列缓冲的数据包的聚合大小相匹配的预先分配的内存量。

公开(公告)号：US08582440B2

公开(公告)日：2013-11-12

申请号：US12700850

申请日：2010-02-05

申请人： David J. Ofelt ,  Jean-Marc Frailong ,  Wing Leong Poon ,  Aibing Zhou ,  Xianzhi Li ,  Hongsheng Ping

发明人： David J. Ofelt ,  Jean-Marc Frailong ,  Wing Leong Poon ,  Aibing Zhou ,  Xianzhi Li ,  Hongsheng Ping

IPC分类号： H04W28/10

CPC分类号： H04L49/505

摘要： A network device includes a receiver component that generates flow control information. The network device also includes a transmitter component that receives a packet for forwarding to the receiver component, receives flow control data for the packet from the receiver component, and provides the packet and the flow control data for the packet to a fabric component. The fabric component performs a congestion management operation for the packet, and forwards the packet to the receiver component based on the flow control data and results of the congestion management operation.

摘要翻译： 网络设备包括产生流量控制信息的接收器组件。 网络设备还包括发送器组件，其接收用于转发到接收器组件的分组，从接收器组件接收分组的流控制数据，并将分组和分组的流控制数据提供给组织组件。 组播组件对分组进行拥塞管理操作，并根据流量控制数据和拥塞管理操作的结果将分组转发给接收方组件。