Method and apparatus for prioritizing traffic in half-duplex networks by
selecting delay intervals from fixed ranges
    51.
    发明授权
    Method and apparatus for prioritizing traffic in half-duplex networks by selecting delay intervals from fixed ranges 失效
    通过从固定范围中选择延迟间隔来优先考虑半双工网络中的流量的方法和装置

    公开(公告)号:US5822538A

    公开(公告)日:1998-10-13

    申请号:US752884

    申请日:1996-11-20

    IPC分类号: G06F13/38 G06F13/00

    CPC分类号: G06F13/385

    摘要: Collision delay intervals are modified in Ethernet network devices by transmitting priority data requiring a guaranteed latency by determining an integer multiple number of slot times, randomly selected from a predetermined range of integers, where the range of integers is independent from the number of access attempts. A network device having priority data for transmission randomly selects a collision delay interval to be either zero or one slot time for a predetermined number of access attempts. If the number of collisions encountered by the network station exceeds the predetermined number, the integer is selected from a range of integers calculated from a shifted exponential number of the access attempts, resulting in a smaller range than used for normal priority traffic. Use of the collision mediation for high priority traffic on a half-duplex Ethernet network provides a bounded access latency for real-time and multimedia applications by granting the network device a higher probability of successfully accessing the network media.

    摘要翻译: 通过从整数的预定范围中随机选择的整数倍数的时隙时间,通过发送需要保证延迟的优先级数据来修改冲突延迟间隔,其中整数范围独立于接入尝试次数。 具有用于传输的优先级数据的网络设备在预定次数的访问尝试中随机选择冲突延迟间隔为零或一个时隙时间。 如果网络站遇到的冲突次数超过预定数量,则从从访问尝试的移位指数中计算出的整数范围中选择整数,导致比普通优先级流量使用的范围更小的范围。 在半双工以太网上使用冲突中介来实现高优先级流量,通过授予网络设备成功访问网络媒体的更高可能性,为实时和多媒体应用提供有界访问延迟。

    Network switch fabric dispersion
    52.
    发明授权
    Network switch fabric dispersion 有权
    网络交换矩阵分散

    公开(公告)号:US09166927B2

    公开(公告)日:2015-10-20

    申请号:US12255488

    申请日:2008-10-21

    摘要: Methods and apparatus for communicating data traffic using switch fabric dispersion are disclosed. An example apparatus includes a first tier of switch elements; and a second tier of switch elements operationally coupled with the first tier of switch elements. In the example apparatus, the first tier of switch elements is configured to receive a data packet from a source. The first tier of switch elements is also configured to route the data packet to the second tier of switch elements in accordance with a dispersion function, where the dispersion function is based on a dispersion tag associated with the data packet. The first tier of switch elements is still further configured to transmit the data packet to a destination for the data packet after receiving it from the second tier of switch elements.

    摘要翻译: 公开了使用交换矩阵色散来传送数据业务的方法和装置。 示例性装置包括第一层开关元件; 以及与第一层开关元件可操作地耦合的第二层开关元件。 在示例性装置中,第一层交换元件被配置为从源接收数据分组。 第一层交换单元还被配置为根据色散函数将数据分组路由到第二层交换单元,其中色散函数基于与数据分组相关联的色散标签。 第一层交换机元件还被配置为在从第二层交换机元件接收数据分组之后将数据分组发送到数据分组的目的地。

    Flow regulation switch
    53.
    发明授权
    Flow regulation switch 有权
    流量调节开关

    公开(公告)号:US08804503B2

    公开(公告)日:2014-08-12

    申请号:US11934196

    申请日:2007-11-02

    IPC分类号: H04J3/16 H04L12/56 H04L5/00

    摘要: A network switch includes a plurality of egress ports configured to send packets of data traffic to at least one receiving network device and a plurality of ingress ports configured to receive the packets of data traffic from at least one sending network device. The switch further includes a switch logic engine configured to define multiple flows of data through the switch from a sending network device to a receiving network device and to route the flows from the ingress port to the egress port, a flow monitor configured to measure at least one flow attribute of the flows, and a flow regulation engine configured to regulate a flow rate of flows sent by a sending network device based at least in part on a measurement by the flow monitor of the at least one flow attribute of the packets.

    摘要翻译: 网络交换机包括被配置为将数据流量分组发送到至少一个接收网络设备的多个出口端口和被配置为从至少一个发送网络设备接收数据流量分组的多个入口端口。 交换机还包括交换机逻辑引擎,其被配置为通过交换机定义从发送网络设备到接收网络设备的多条数据流,并且将流从入口端口路由到出口端口;流量监控器,被配置为至少测量 所述流的一个流属性和流调节引擎被配置为至少部分地基于所述流监视器对所述分组的所述至少一个流属性的测量来调节由发送网络设备发送的流的流速。

    S-flow in a network device
    54.
    发明授权
    S-flow in a network device 失效
    网络设备中的S流

    公开(公告)号:US08085766B2

    公开(公告)日:2011-12-27

    申请号:US11480844

    申请日:2006-07-06

    IPC分类号: H04L12/56

    摘要: A network device for providing statistical sampling of packet at a port. The network device includes an ingress module for randomly selecting a packet at one of a plurality of ports for statistical sampling and an egress module for randomly selecting a packet at one of a plurality of ports for statistical sampling. The network device also includes a processing module for receiving a copy of a selected packet from at least one of the ingress module or egress module and for performing statistical flow processing on the packet.

    摘要翻译: 一种用于在端口提供数据包的统计抽样的网络设备。 网络设备包括用于在用于统计抽样的多个端口之一处随机选择分组的入口模块和用于在多个端口之一中随机选择分组以进行统计采样的出口模块。 网络设备还包括处理模块,用于从入口模块或出口模块中的至少一个接收所选择的分组的副本,并且用于对分组进行统计流处理。

    Policy based routing using a fast filter processor
    55.
    发明授权
    Policy based routing using a fast filter processor 失效
    使用快速过滤处理器进行基于策略的路由

    公开(公告)号:US08014390B2

    公开(公告)日:2011-09-06

    申请号:US11289687

    申请日:2005-11-30

    摘要: A network device for processing packets. The network device includes applying specific fields from a packet to an associated memory device and comparing means for comparing input to the memory device with entries in the memory device. The network device also includes enabling means for enabling selection of bits, by the memory device, that are required to match exactly with bits from the input to the memory device. The network device further includes outputting means for outputting an address for a matched entry by the memory device and applying means for applying a match from the memory device to an associated entry in a table for applying actions from the table that are associated with the match to the packet.

    摘要翻译: 用于处理数据包的网络设备。 网络设备包括将特定字段从分组应用到相关联的存储器设备,以及比较装置,用于将存储器设备的输入与存储器设备中的条目进行比较。 网络设备还包括启用装置,用于允许由存储器设备选择与从输入到存储器设备的位精确匹配的位。 网络设备还包括输出装置,用于输出由存储器装置匹配的条目的地址和应用装置,用于将来自存储器装置的匹配应用于表中的相关条目,用于从与表匹配的表中应用动作 包。

    Mirroring in a network device
    56.
    发明授权
    Mirroring in a network device 有权
    在网络设备中镜像

    公开(公告)号:US08005084B2

    公开(公告)日:2011-08-23

    申请号:US11289366

    申请日:2005-11-30

    IPC分类号: H04L12/28

    摘要: A network device for implementing mirroring on packets. The network device includes a plurality of ports, each of which is at least one of an ingress port, an egress port and a mirror-to port. The network device also includes processing means for supporting a plurality of mirroring types. Each of the ingress port, egress port and mirror-to port includes at least one register for supporting the plurality of mirroring types. To support mirroring at each of the ingress port, egress port and mirror-to port predefined bits in the at least one register are set. When an incoming packet is received, the predefined bits are examined to determine which of the plurality of mirroring types to apply to the packet.

    摘要翻译: 一种用于实现数据包镜像的网络设备。 网络设备包括多个端口,每个端口是入端口,出端口和镜对端口中的至少一个。 网络设备还包括用于支持多种镜像类型的处理装置。 入口端口,出端口和镜对端口中的每一个包括至少一个用于支持多个镜像类型的寄存器。 为了支持每个入口端口的镜像,设置至少一个寄存器中的出口端口和镜像端口预定义位。 当接收到传入的分组时,检查预定义的比特以确定应用于分组的多个镜像类型中的哪一个。

    NETWORK SWITCH FABRIC DISPERSION
    58.
    发明申请
    NETWORK SWITCH FABRIC DISPERSION 有权
    网络开关织物分布

    公开(公告)号:US20100097934A1

    公开(公告)日:2010-04-22

    申请号:US12255488

    申请日:2008-10-21

    IPC分类号: H04L12/56

    摘要: Methods and apparatus for communicating data traffic using switch fabric dispersion are disclosed. An example apparatus includes a first tier of switch elements; and a second tier of switch elements operationally coupled with the first tier of switch elements. In the example apparatus, the first tier of switch elements is configured to receive a data packet from a source. The first tier of switch elements is also configured to route the data packet to the second tier of switch elements in accordance with a dispersion function, where the dispersion function is based on a dispersion tag associated with the data packet. The first tier of switch elements is still further configured to transmit the data packet to a destination for the data packet after receiving it from the second tier of switch elements. In the example apparatus the second tier of switch elements is configured to receive the data packet from the first tier of switch elements and route the data packet, based on a destination address of the data packet, back to the first tier of switch elements for transmission to the destination.

    摘要翻译: 公开了使用交换矩阵色散来传送数据业务的方法和装置。 示例性装置包括第一层开关元件; 以及与第一层开关元件可操作地耦合的第二层开关元件。 在示例性装置中,第一层交换元件被配置为从源接收数据分组。 第一层交换单元还被配置为根据色散函数将数据分组路由到第二层交换单元,其中色散函数基于与数据分组相关联的色散标签。 第一层交换机元件还被配置为在从第二层交换机元件接收数据分组之后将数据分组发送到数据分组的目的地。 在示例设备中,第二层交换元件被配置为从第一层交换元件接收数据分组,并且基于数据分组的目的地地址将数据分组路由回到用于传输的第一层交换单元 到目的地。

    Gigabit switch on chip architecture
    60.
    发明授权
    Gigabit switch on chip architecture 有权
    千兆开关芯片架构

    公开(公告)号:US07675924B2

    公开(公告)日:2010-03-09

    申请号:US11490109

    申请日:2006-07-21

    IPC分类号: H04L12/56 H04L12/28

    CPC分类号: G06F13/4022

    摘要: A data switch for network communications includes a first data port interface and a second data port interface is provided supporting at least one data port transmitting and receiving data. A CPU interface is provided, with the CPU interface configured to communicate with a CPU. A common memory is provided, and communicates with the first data port interface and the second data port interface. A memory management unit is provided, and communicates data from the first data port interface and the second data port interface and a common memory. At least two sets of communication channels are provided, with each of the communication channels communicating data and messaging information between the first data port interface, the second data port interface, and the memory management unit.

    摘要翻译: 用于网络通信的数据交换机包括第一数据端口接口,并且提供支持至少一个数据端口发送和接收数据的第二数据端口接口。 提供了CPU接口,CPU接口配置为与CPU进行通信。 提供通用存储器,并与第一数据端口接口和第二数据端口接口通信。 提供存储器管理单元,并且传送来自第一数据端口接口和第二数据端口接口的数据以及公共存储器。 提供至少两组通信信道,其中每个通信信道在第一数据端口接口,第二数据端口接口和存储器管理单元之间传送数据和消息传递信息。