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公开(公告)号：US10277501B2
公开(公告)日：2019-04-30
申请号：US13980901
申请日：2011-01-31
申请人： Duane Mentze , Mark Gooch , Steven Glen Jorgensen
发明人： Duane Mentze , Mark Gooch , Steven Glen Jorgensen
IPC分类号： H04L12/705 , H04L12/761
摘要： A method for handling of conflicts in a multicast routing election in a multicast network is described herein. The multicast network includes a plurality of multicast network devices. A conflict is detected in a Designated Forwarder (DF) election for a link.
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公开(公告)号：US09210091B2
公开(公告)日：2015-12-08
申请号：US12022486
申请日：2008-01-30
申请人： Bruce E. Lavigne , Mark Gooch , Alan R. Albrecht
发明人： Bruce E. Lavigne , Mark Gooch , Alan R. Albrecht
IPC分类号： H04L12/26 , H04L12/801 , H04L12/833
CPC分类号： H04L47/33 , H04L43/028 , H04L43/0894 , H04L47/10 , H04L47/11 , H04L47/31
摘要： System and methods for metering output packet traffic at network devices. Ingress packet lookups are employed in combination with egress packet meters, which can be arranged in parallel fashion, and used to meter traffic across multiple blades of a switch chassis. Also, egress packet traffic metering is accomplished while matching complex ingress rules without additional egress packet processing. The system has a first node for creating requests that contain a number of filter indicies for specifying packet forwarding criteria. The first node also specifies values for the filter and meter indicies based on a packet to be forwarded. The system also has a second node coupled to the first node and to a number of ports. The second node has at least one table for specifying which of the ports are to receive the packet based on the filter values, and at least one table for accounting for egress traffic bandwidth.
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公开(公告)号：US08897139B2
公开(公告)日：2014-11-25
申请号：US12328961
申请日：2008-12-05
IPC分类号： G01R31/08 , H04L12/801 , H04L12/931 , H04L12/825
CPC分类号： H04L12/4633 , H04L43/0817 , H04L45/74 , H04L47/10 , H04L47/12 , H04L47/26 , H04L49/354 , H04L63/0272
摘要： A network, network devices, and methods are described for packet processing indication. A method includes tunneling a packet from a first network device to a second network device associated with a first checking functionality. The second network device has an address different than an original destination address of the packet. The method also includes return-tunneling the packet from the second network device to the first network device with an indication of whether the packet was processed by the first checking functionality. The method includes tunneling the packet from the first network device to a third network device associated with a second checking functionality in response to the indication being that the packet was not processed by the first checking functionality. The third network device has an address different from the original destination address of the packet.
摘要翻译： 描述了用于分组处理指示的网络，网络设备和方法。 一种方法包括将分组从第一网络设备隧道化到与第一检查功能相关联的第二网络设备。 第二网络设备具有与分组的原始目的地地址不同的地址。 该方法还包括将分组从第二网络设备返回隧穿到第一网络设备，并指示该分组是否被第一检查功能处理。 所述方法包括：响应于所述指示是所述分组未被所述第一检查功能处理，所述分组将所述分组从所述第一网络设备隧道化到与第二检查功能相关联的第三网络设备。 第三网络设备具有与分组的原始目的地址不同的地址。
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54.发明授权公开(公告)号：US08594096B2
公开(公告)日：2013-11-26
申请号：US13285498
申请日：2011-10-31
申请人： Shaun Wakumoto , Andrew T Bare , Mark Gooch
发明人： Shaun Wakumoto , Andrew T Bare , Mark Gooch
IPC分类号： H04L12/28
CPC分类号： H04L49/351 , H04L49/25 , H04L49/65 , H04L61/2038 , H04L61/6022
摘要： Dynamic hardware address assignment to network devices in a switch mesh is described. In an example, a network device in a switch mesh dynamically assigns a hardware address to a network interface. The network device receives an address request from a client through the switch mesh. The network device calculates an index value for the client based on data in the address request. The network device selects the hardware address of a plurality of hardware addresses assigned to the network interface based on the index value. The switch mesh includes a plurality of traffic paths respectively for the plurality of hardware addresses. The network device sends the hardware address in a reply to the client through the switch mesh.
摘要翻译： 描述了交换机网关中网络设备的动态硬件地址分配。 在一个示例中，交换机网关中的网络设备动态地将硬件地址分配给网络接口。 网络设备通过交换机网格接收客户端的地址请求。 网络设备根据地址请求中的数据计算客户端的索引值。 网络设备基于索引值来选择分配给网络接口的多个硬件地址的硬件地址。 交换机网关分别包括用于多个硬件地址的多个业务路径。 网络设备通过交换机网格向客户端发送回复中的硬件地址。
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55.发明申请公开(公告)号：US20130107755A1
公开(公告)日：2013-05-02
申请号：US13285498
申请日：2011-10-31
申请人： Shaun Wakumoto , Andrew T. Bare , Mark Gooch
发明人： Shaun Wakumoto , Andrew T. Bare , Mark Gooch
IPC分类号： H04L12/28
CPC分类号： H04L49/351 , H04L49/25 , H04L49/65 , H04L61/2038 , H04L61/6022
摘要： Dynamic hardware address assignment to network devices in a switch mesh is described. In an example, a network device in a switch mesh dynamically assigns a hardware address to a network interface. The network device receives an address request from a client through the switch mesh. The network device calculates an index value for the client based on data in the address request. The network device selects the hardware address of a plurality of hardware addresses assigned to the network interface based on the index value. The switch mesh includes a plurality of traffic paths respectively for the plurality of hardware addresses. The network device sends the hardware address in a reply to the client through the switch mesh.
摘要翻译： 描述了交换机网关中网络设备的动态硬件地址分配。 在一个示例中，交换机网关中的网络设备动态地将硬件地址分配给网络接口。 网络设备通过交换机网格接收客户端的地址请求。 网络设备根据地址请求中的数据计算客户端的索引值。 网络设备基于索引值来选择分配给网络接口的多个硬件地址的硬件地址。 交换机网关分别包括用于多个硬件地址的多个业务路径。 网络设备通过交换机网格向客户端发送回复中的硬件地址。
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56.发明授权公开(公告)号：US07965636B2
公开(公告)日：2011-06-21
申请号：US12315780
申请日：2008-12-05
IPC分类号： H04L12/26
CPC分类号： H04L45/302 , H04L43/026 , H04L43/106 , H04L43/12 , H04L45/125 , H04L63/1408
摘要： Methods of balancing network packet traffic among multiple checking functionalities (CFs) are described. A network has at least one client operatively connected to at least one source switch and multiple available CFs operatively connected to at least one destination switch. Each available CF has predetermined, but possibly different inspection capabilities. A source switch receiving packets from a client inspects each packet and can optionally choose an available CF having at least the minimum necessary inspection capabilities to inspect the particular packet, and tunnel the packet to the chosen CF.
摘要翻译： 描述了在多个检查功能（CF）之间平衡网络数据包流量的方法。 网络具有至少一个可操作地连接到至少一个源交换机的客户端和可操作地连接到至少一个目的地交换机的多个可用CF。 每个可用的CF具有预定但可能不同的检查能力。 从客户端接收分组的源交换机检查每个分组，并且可以可选地选择具有至少最小必需检查能力的可用CF以检查特定分组，并将分组隧道到所选择的CF。
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公开(公告)号：US20110134932A1
公开(公告)日：2011-06-09
申请号：US13026803
申请日：2011-02-14
IPC分类号： H04L12/56
CPC分类号： H04L12/4633 , H04L12/4641 , H04L41/00 , H04L63/029
摘要： A network, network devices, and methods are described for marked packet forwarding. A network device includes a network chip having a number of network ports for receiving and transmitting packets. The network chip includes logic to decapsulate a packet received from a tunnel, mark the packet with a handle associated with an originating network device of the packet using information from an encapsulation header, and forward the marked packet to a checking functionality having a destination address different from an original destination address of the packet.
摘要翻译： 描述网络，网络设备和方法用于标记的分组转发。 网络设备包括具有用于接收和发送分组的多个网络端口的网络芯片。 网络芯片包括用于对从隧道接收的分组进行解封装的逻辑，使用来自封装头的信息使用与分组的始发网络设备相关联的句柄来标记分组，并将标记的分组转发到具有目的地地址不同的检查功能 从分组的原始目的地址。
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公开(公告)号：US07903655B2
公开(公告)日：2011-03-08
申请号：US11788179
申请日：2007-04-19
IPC分类号： H04L12/28 , H04L12/56 , H04L12/54 , H04J3/24 , G06F15/16 , G06F15/173 , G06F9/00 , G06F11/00 , G08B23/00
CPC分类号： H04L12/4633 , H04L12/4641 , H04L41/00 , H04L63/029
摘要： A network, network devices, and methods are described for marked packet forwarding. A network device includes a network chip having a number of network ports for receiving and transmitting packets. The network chip includes logic to decapsulate a packet received from a tunnel, mark the packet with a handle associated with an originating network device of the packet using information from an encapsulation header, and forward the marked packet to a checking functionality having a destination address different from an original destination address of the packet.
摘要翻译： 描述网络，网络设备和方法用于标记的分组转发。 网络设备包括具有用于接收和发送分组的多个网络端口的网络芯片。 网络芯片包括用于对从隧道接收的分组进行解封装的逻辑，使用来自封装头的信息使用与分组的始发网络设备相关联的句柄来标记分组，并将标记的分组转发到具有目的地地址不同的检查功能 从分组的原始目的地址。
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公开(公告)号：US20100329257A1
公开(公告)日：2010-12-30
申请号：US12494993
申请日：2009-06-30
IPC分类号： H04L12/56
CPC分类号： H04L49/9063 , H04L49/90 , H04L49/9042 , H04L49/9094
摘要： A method of selective direct memory access (DMA) in a computer system having a network interface card (NIC), a processor subsystem, and a memory accessible to the subsystem, including the steps of the NIC receiving a plurality of packets from an external source; the NIC decoding a portion of each packet and determining whether the packet should be accepted by the computer system based on a predefined rule; and if the packet is accepted, selectively truncating the packet based on the predefined rule, and storing the truncated packet in the memory.
摘要翻译： 一种在具有网络接口卡（NIC），处理器子系统和子系统可访问的存储器的计算机系统中的选择性直接存储器访问（DMA）的方法，包括NIC从外部源接收多个分组的步骤 ; NIC对每个分组的一部分进行解码，并且基于预定义的规则确定分组是否应该被计算机系统接受; 并且如果分组被接受，则基于预定义规则选择性地截断分组，并将截断的分组存储在存储器中。
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60.发明申请公开(公告)号：US20100142371A1
公开(公告)日：2010-06-10
申请号：US12315780
申请日：2008-12-05
CPC分类号： H04L45/302 , H04L43/026 , H04L43/106 , H04L43/12 , H04L45/125 , H04L63/1408
摘要： Methods of balancing network packet traffic among multiple checking functionalities (CFs) are described. A network has at least one client operatively connected to at least one source switch and multiple available CFs operatively connected to at least one destination switch. Each available CF has predetermined, but possibly different inspection capabilities. A source switch receiving packets from a client inspects each packet and can optionally choose an available CF having at least the minimum necessary inspection capabilities to inspect the particular packet, and tunnel the packet to the chosen CF.
摘要翻译： 描述了在多个检查功能（CF）之间平衡网络数据包流量的方法。 网络具有至少一个可操作地连接到至少一个源交换机的客户端和可操作地连接到至少一个目的地交换机的多个可用CF。 每个可用的CF具有预定但可能不同的检查能力。 从客户端接收分组的源交换机检查每个分组，并且可以可选地选择具有至少最小必需检查能力的可用CF以检查特定分组，并将分组隧道到所选择的CF。
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