公开(公告)号：US20130343193A1

公开(公告)日：2013-12-26

申请号：US13975605

申请日：2013-08-26

Applicant: Broadcom Corporation

Inventor： Bruce H. KWAN ,  Puneet AGARWAL

IPC: H04L12/801

CPC classification number: H04L47/12 ,  H04L47/10 ,  H04L47/11 ,  H04L47/18 ,  H04L47/263 ,  H04L47/28 ,  H04L49/506 ,  Y02D50/10

Abstract: Aspects of a switch fabric end-to-end congestion avoidance mechanism are presented. Aspects of a system for end-to-end congestion avoidance in a switch fabric may include at least one circuit that enables reception of a congestion notification message that specifies a traffic flow identifier. The circuitry may enable increase or decrease of a current rate for transmission of data link layer (DLL) protocol data units (PDU) associated with the specified traffic flow identifier as a response to the reception of the congestion notification message.

Abstract translation: 提出了交换机端到端拥塞避免机制的各个方面。 用于交换结构中的端到端拥塞避免的系统的方面可以包括使得能够接收指定业务流标识符的拥塞通知消息的至少一个电路。 电路可以使得与指定的业务流标识符相关联的数据链路层（DLL）协议数据单元（PDU）的传输的当前速率的增加或减少作为对拥塞通知消息的接收的响应。

公开(公告)号：US20140185628A1

公开(公告)日：2014-07-03

申请号：US13759967

申请日：2013-02-05

Applicant: BROADCOM CORPORATION

Inventor： Brad MATTHEWS ,  Bruce KWAN ,  Puneet AGARWAL

IPC: H04L12/56

CPC classification number: H04L47/50 ,  H04L47/6215

Abstract: A method for managing data traffic operating on a deadline is provided. The method includes receiving, on an intermediate node, a packet having one or more traffic characteristics. The method also includes evaluating, on the intermediate node, the one or more traffic characteristics to determine a priority of the packet. The method also includes selecting one of multiple queues on the intermediate node based on the determined priority. The method also includes processing, on the intermediate node, the packet based on the determined priority. The method also includes enqueuing the processed packet into the selected queue. The method further includes outputting the queued packet from the selected queue.

Abstract translation: 提供了一种管理在期限内运行的数据流量的方法。 该方法包括在中间节点上接收具有一个或多个业务特性的分组。 该方法还包括在中间节点上评估一个或多个业务特性以确定分组的优先级。 该方法还包括基于所确定的优先级来选择中间节点上的多个队列之一。 该方法还包括在中间节点上基于确定的优先级处理分组。 该方法还包括将处理的分组进入队列。 该方法还包括从所选择的队列输出排队的分组。

公开(公告)号：US20150271105A1

公开(公告)日：2015-09-24

申请号：US14731827

申请日：2015-06-05

Applicant: Broadcom Corporation

Inventor： Rupa BUDHIA ,  Biju Ravindranatha BABU ,  Mohan Venkatachar KALKUNTE ,  Puneet AGARWAL

IPC: H04L12/937 ,  H04L29/06 ,  H04L12/46 ,  H04L12/709 ,  H04L12/741 ,  H04L12/713

CPC classification number: H04L49/253 ,  H04L12/462 ,  H04L12/4625 ,  H04L45/24 ,  H04L45/245 ,  H04L45/586 ,  H04L45/66 ,  H04L45/74 ,  H04L65/4076 ,  Y02D50/30

Abstract: Disclosed are various embodiments for multi-homing in an extended bridge, including both multi-homing of port extenders and multi-homing of end stations. In various embodiments, a controlling bridge device receives a packet via an ingress virtual port and determines a destination virtual port link aggregation group based at least in part on a destination media access control (MAC) address of an end station in the packet. The controlling bridge device selects one of multiple egress virtual ports of the destination virtual port link aggregation group. The end station of the extended bridge is reachable through any of the egress virtual ports of the destination virtual port link aggregation group. The controlling bridge device forwards the packet through the selected egress virtual port, and the forwarded packet includes an identifier of a destination virtual port to which the end station is connected.

Abstract translation: 公开了用于扩展桥中的多归属的各种实施例，包括端口扩展器的多归位和端站的多归位。 在各种实施例中，控制网桥设备经由入口虚拟端口接收分组，并且至少部分地基于分组中的终端站的目的地媒体访问控制（MAC）地址来确定目的地虚拟端口链路聚合组。 控制网桥设备选择目的虚拟端口链路聚合组的多个出口虚拟端口之一。 扩展桥的终端可以通过目的虚拟端口链路聚合组的任何出口虚拟端口到达。 控制网桥设备通过所选择的出口虚拟端口转发分组，转发的分组包括终端站连接到的目的地虚拟端口的标识符。

公开(公告)号：US20150207739A1

公开(公告)日：2015-07-23

申请号：US14676410

申请日：2015-04-01

Applicant: BROADCOM CORPORATION

Inventor： William Brad MATTHEWS ,  Puneet AGARWAL ,  Bruce Hui KWAN

IPC: H04L12/801 ,  H04L12/833 ,  H04L12/841 ,  H04L12/26

CPC classification number: H04L47/11 ,  H04L43/0835 ,  H04L43/0882 ,  H04L47/12 ,  H04L47/2458 ,  H04L47/28 ,  H04L49/00

Abstract: Aspects of oversubscription monitoring are described. In one embodiment, oversubscription monitoring includes accumulating an amount of data that arrives at a network component over at least one epoch of time. Further, a core processing rate at which data can be processed by the network component is calculated. Based on the amount of data and the core processing rate, it is determined whether the network component is operating in an oversubscribed region of operation. In one embodiment, when the network component is operating in the oversubscribed region of operation, certain quality of service metrics are monitored. Using the monitored metrics, a network operation display object may be generated for identifying or troubleshooting network errors during an oversubscribed region of operation of the network component.

Abstract translation: 描述超额认购监控的方面。 在一个实施例中，超额预订监视包括在至少一个时代上累积到达网络组件的数据量。 此外，计算网络组件可以处理数据的核心处理速率。 基于数据量和核心处理速率，确定网络组件是否在超额订购的操作区域中运行。 在一个实施例中，当网络组件在超额订购的操作区域中操作时，监视某些服务质量度量。 使用所监视的度量，可以生成网络操作显示对象，用于在网络组件的超额订购的操作区域期间识别或排除网络错误。

公开(公告)号：US20140064079A1

公开(公告)日：2014-03-06

申请号：US13924303

申请日：2013-06-21

Applicant: Broadcom Corporation

Inventor： Bruce KWAN ,  Puneet AGARWAL

IPC: H04L12/801

CPC classification number: H04L47/12 ,  H04L47/30 ,  H04L47/31

Abstract: A computer-implemented method for implementing a congestion management policy, the method including, determining a minimum congestion state for a first queue, based on a minimum guarantee use count of the first queue, determining a shared congestion state for the first queue, based on a shared buffer use count and a shared buffer congestion threshold, wherein the shared buffer congestion threshold is further based on an amount of remaining buffer memory and determining a global congestion state based on a global shared buffer use count. In certain aspects, the method further includes implementing a congestion management policy based on the minimum congestion state, the shared congestion state and the global congestion state. Systems and computer-readable media are also provided.

Abstract translation: 一种用于实现拥塞管理策略的计算机实现的方法，所述方法包括：基于所述第一队列的最小保证使用次数确定第一队列的最小拥塞状态，基于所述第一队列的最小保密使用次数确定所述第一队列的共享拥塞状态 共享缓冲器使用计数和共享缓冲器拥塞阈值，其中所述共享缓冲器拥塞阈值还基于剩余缓冲存储器的量，并且基于全局共享缓冲器使用计数来确定全局拥塞状态。 在某些方面，该方法还包括基于最小拥塞状态，共享拥塞状态和全局拥塞状态来实现拥塞管理策略。 还提供系统和计算机可读介质。