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1. 发明授权

US07352761B2 Distributing unused allocated bandwidth using a borrow vector 有权
标题翻译：使用借位向量分配未使用的分配带宽
公开(公告)号：US07352761B2
公开(公告)日：2008-04-01
申请号：US10370669
申请日：2003-02-18
申请人： Sandeep Lodha , Deepak Aatresh , Rajesh Narayanan , Raymond Vaughan-Williams
发明人： Sandeep Lodha , Deepak Aatresh , Rajesh Narayanan , Raymond Vaughan-Williams
IPC分类号： H04L12/28 , H04J3/16
CPC分类号： H04L47/525 , H04L47/50
摘要： A packet-based traffic forwarding system with a plurality of contending queues. Each queue has an allocated bandwidth and an associated borrow vector. When a first queue does not consume all of its allocated bandwidth, the borrow vector associated with a second queue is checked to determine whether the second queue is permitted to use the unconsumed allocated bandwidth of the first queue. If the second queue has packets to forward, the second queue forwards the packets using the unconsumed allocated bandwidth of the first queue.
摘要翻译：一种具有多个竞争队列的基于分组的流量转发系统。每个队列具有分配的带宽和相关联的借位向量。当第一队列不消耗其所有分配的带宽时，检查与第二队列相关联的借位向量，以确定是否允许第二队列使用第一队列的未消息分配的带宽。如果第二个队列具有要转发的数据包，则第二个队列使用第一个队列的未消息分配带宽转发数据包。

2. 发明授权

US07652988B2 Hardware-based rate control for bursty traffic 有权
标题翻译：突发性流量的基于硬件的速率控制
公开(公告)号：US07652988B2
公开(公告)日：2010-01-26
申请号：US10446419
申请日：2003-05-28
申请人： Sanjay Jain , Deepak Aatresh , Daniel M. Hegglin
发明人： Sanjay Jain , Deepak Aatresh , Daniel M. Hegglin
IPC分类号： H04L12/26
CPC分类号： H04L47/10
摘要： A hardware-based rate control engine is designed to allow credits to be accumulated over multiple time-slices up to a maximum credit limit. The rate control engine is also allowed to dispatch packets up to a maximum drain rate during each time-slice as long as sufficient credits are available. Allowing credits to accumulate over multiple time slices allows unused bandwidth to be saved during times of little or no traffic and used when the subsequent traffic bursts arrive. Additionally, limiting the maximum drain rate puts a cap on how fast the saved bandwidth can be consumed by subsequent traffic bursts. The rate control settings can be adapted in response to a characteristic, or characteristics, of the traffic flow. For example, one group of settings of a traffic flow can be used for bursty traffic, while a different group of settings can be used for smooth traffic.
摘要翻译：基于硬件的速率控制引擎被设计为允许在多个时间片上积累信用以达到最大信用限额。只要有足够的信用额度，速率控制引擎也可以在每个时间片段内调度数据包，达到最大排放速率。允许信用累积多个时间片允许在很少或没有流量的时间内保存未使用的带宽，并且在随后的业务突发到达时使用。另外，限制最大漏极率可以说明随后的业务脉冲串可以节省多长时间的带宽。速率控制设置可以响应于业务流的特性或特性进行调整。例如，流量的一组设置可以用于突发流量，而不同的设置组可用于平滑流量。

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