公开(公告)号：US07535912B2

公开(公告)日：2009-05-19

申请号：US10963647

申请日：2004-10-14

申请人： Peter Irma August Barri ,  Bart Joseph Gerard Pauwels ,  Geert René Taildemand

发明人： Peter Irma August Barri ,  Bart Joseph Gerard Pauwels ,  Geert René Taildemand

IPC分类号： H04L12/28

CPC分类号： H04L47/10 ,  H04L47/70 ,  H04L47/765 ,  H04L47/801 ,  H04L47/825 ,  H04L47/826

摘要： The present invention relates to a switching unit with a low-latency flow control. Queuing parameters of ingress queues, wherein the incoming traffic is backlogged, are measured to detect a short term traffic increase. An additional bandwidth is then negotiated to accommodate this unexpected additional amount of traffic, provided that the corresponding input and output termination modules still dispose of available bandwidth, and disregarding temporarily fairness. This additional bandwidth allows this unexpected additional amount of traffic to be drained from the ingress queue as soon as possible, without waiting for the next system bandwidth fair re-distribution, thereby improving the traffic latency through the switching unit.

摘要翻译： 本发明涉及具有低等待时间流量控制的切换单元。 测量进入流量被积压的入口队列的排队参数，以检测短期流量增加。 然后协商额外的带宽以适应这种意想不到的额外的流量，只要相应的输入和输出终端模块仍然处理可用带宽，并忽略暂时的公平性。 这种额外的带宽允许尽可能快地从入口队列中排除这种意想不到的额外的流量，而不用等待下一个系统带宽公平的重新分配，从而通过交换单元改善流量等待时间。

公开(公告)号：US07522624B2

公开(公告)日：2009-04-21

申请号：US10965844

申请日：2004-10-18

申请人： Peter Irma August Barri ,  Bart Joseph Gerard Pauwels ,  Geert René Taildemand

发明人： Peter Irma August Barri ,  Bart Joseph Gerard Pauwels ,  Geert René Taildemand

IPC分类号： H04L12/28

CPC分类号： H04L47/10 ,  H04L47/50 ,  H04L47/522 ,  H04L47/6215 ,  H04L47/623 ,  H04L47/6255 ,  H04L49/101 ,  H04L49/254

摘要： The present invention relates to a switching unit with a scalable and QoS aware flow control. The actual schedule rate of an egress queue, wherein the outgoing traffic belonging to a particular class of service is backlogged, is measured and compared to its expected schedule rate. If the egress queue is scheduled below expectation, then the bandwidth of every virtual ingress-to-egress pipe connecting an ingress queue, wherein the incoming traffic belonging to the same class of service is backlogged before transmission through the switch core fabric, to that egress queue is increased, thereby feeding that egress queue with more data units.

摘要翻译： 本发明涉及具有可扩展和QoS感知流量控制的切换单元。 测量排出队列的实际调度速率，其中属于特定服务等级的输出业务被重新填充，并与其预期调度速率进行比较。 如果出口队列调度低于期望值，则连接入口队列的每个虚拟入口到出口管道的带宽，其中属于相同等级的服务的入站流量在通过交换机核心架构传输之前被积压到该出口 队列增加，从而为更多的数据单元提供出口队列。