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    Network high availability using temporary re-routing
    32.
    发明授权
    Network high availability using temporary re-routing 有权

    公开(公告)号：US09729473B2

    公开(公告)日：2017-08-08

    申请号：US14745488

    申请日：2015-06-22

    Applicant: MELLANOX TECHNOLOGIES LTD.

    Inventor： Zachy Haramaty ,  Eitan Zahavi ,  Benny Koren ,  Ido Bukspan ,  Itamar Rabenstein ,  Barak Gafni ,  Aviv Kfir

    IPC: H04L12/707 ,  H04L12/939

    CPC classification number: H04L49/557

    Abstract: A method in a network element that includes multiple interfaces for connecting to a communication network includes receiving via an ingress interface packets that are not allowed to undergo re-routing and that are addressed to a destination via a first egress interface. The packets are forwarded via the first egress interface when there is a valid path from the first egress interface to the destination. When there is no valid path from the first egress interface to the destination, a second egress interface is selected from a group of multiple egress interfaces that have respective paths to the destination and are assigned to packets for which re-routing is allowed, and the packets are forwarded via the second egress interface until recovering a path to the destination.

    Adaptive routing using inter-switch notifications
    34.
    发明授权
    Adaptive routing using inter-switch notifications 有权

    公开(公告)号：US09634940B2

    公开(公告)日：2017-04-25

    申请号：US14662259

    申请日：2015-03-19

    Applicant: Mellanox Technologies Ltd.

    Inventor： Zachy Haramaty ,  Eitan Zahavi ,  Freddy Gabbay ,  Diego Crupnicoff ,  Amiad Marelli ,  Gil Bloch

    IPC: H04L12/803 ,  H04L12/703

    CPC classification number: H04L47/122 ,  H04L45/28

    Abstract: A method includes receiving in a network switch of a communication network communication traffic that originates from a source node and arrives over a route through the communication network traversing one or more preceding network switches, for forwarding to a destination node. In response to detecting in the network switch a compromised ability to forward the communication traffic to the destination node, a notification is sent to the preceding network switches. The notification is to be consumed by the preceding network switches and requests the preceding network switches to modify the route so as not to traverse the network switch.

    NETWORK HIGH AVAILABILITY USING TEMPORARY RE-ROUTING
    35.
    发明申请
    NETWORK HIGH AVAILABILITY USING TEMPORARY RE-ROUTING 有权
    网络高可用性使用临时重新路由

    公开(公告)号：US20150372898A1

    公开(公告)日：2015-12-24

    申请号：US14745488

    申请日：2015-06-22

    Applicant: MELLANOX TECHNOLOGIES LTD.

    Inventor： Zachy Haramaty ,  Eitan Zahavi ,  Benny Koren ,  Ido Bukspan ,  Itamar Rabenstein ,  Barak Gafni ,  Aviv Kfir

    IPC: H04L12/707 ,  H04L12/939 ,  H04L12/743

    CPC classification number: H04L49/557

    Abstract: A method in a network element that includes multiple interfaces for connecting to a communication network includes receiving via an ingress interface packets that are not allowed to undergo re-routing and that are addressed to a destination via a first egress interface. The packets are forwarded via the first egress interface when there is a valid path from the first egress interface to the destination. When there is no valid path from the first egress interface to the destination, a second egress interface is selected from a group of multiple egress interfaces that have respective paths to the destination and are assigned to packets for which re-routing is allowed, and the packets are forwarded via the second egress interface until recovering a path to the destination.

    Abstract translation: 包括用于连接到通信网络的多个接口的网络元件中的方法包括经由入口接口接收不允许经历重新路由并经由第一出口接口寻址到目的地的分组。 当存在从第一出口接口到目的地的有效路径时，分组经由第一出口接口转发。 当没有从第一出口接口到目的地的有效路径时，从具有到目的地的相应路径的多个出口接口的组中选择第二出口接口，并且被分配给允许重新路由的分组，并且 分组经由第二出口接口转发，直到恢复到目的地的路径。

    Reducing power consumption in a fat-tree network
    36.
    发明授权
    Reducing power consumption in a fat-tree network 有权
    降低胖树网络中的功耗

    公开(公告)号：US09106387B2

    公开(公告)日：2015-08-11

    申请号：US14033471

    申请日：2013-09-22

    Applicant: MELLANOX TECHNOLOGIES LTD.

    Inventor： Dror Goldenberg ,  Eitan Zahavi ,  Ori Rottenstreich

    IPC: H04L12/28 ,  H04L5/00 ,  H04L12/12 ,  H04L12/46 ,  H04L12/26 ,  H04L12/707

    CPC classification number: H04L5/0058 ,  H04L12/12 ,  H04L12/462 ,  H04L43/0876 ,  H04L45/22 ,  Y02D50/20 ,  Y02D50/30 ,  Y02D50/40

    Abstract: A method for communication includes configuring a multi-level fat-tree network to include at least three levels of switches, including multiple modules arranged externally in a tree topology. Each module contains a respective group of the switches arranged in an internal tree extending over at least two of the levels of the network. A subset of the modules is selected to be active in carrying the communication traffic. The network is operated so as to convey communication traffic among the switches via the active modules, while the modules that are not in the selected subset remain inactive.

    Abstract translation: 一种用于通信的方法包括配置多级胖树网络以包括至少三个级别的交换机，包括在树状拓扑中外部布置的多个模块。 每个模块包含布置在延伸到网络的至少两个级别的内部树中的各个交换机组。 模块的子集被选择为在承载通信流量时是活动的。 操作该网络以便经由活动模块在交换机之间传送通信流量，而不在所选择的子集中的模块保持不活动。

    ADAPTIVE ROUTING USING INTER-SWITCH NOTIFICATIONS
    37.
    发明申请
    ADAPTIVE ROUTING USING INTER-SWITCH NOTIFICATIONS 有权
    自适应路由使用交换机通知

    公开(公告)号：US20140211631A1

    公开(公告)日：2014-07-31

    申请号：US13754921

    申请日：2013-01-31

    Applicant: MELLANOX TECHNOLOGIES LTD.

    Inventor： Zachy Haramaty ,  Eitan Zahavi ,  Freddy Gabbay ,  Diego Crupnicoff ,  Amiad Marelli ,  Gil Bloch

    IPC: H04L12/56

    CPC classification number: H04L47/122

    Abstract: A method includes receiving in a network switch of a communication network communication traffic that originates from a source node and arrives over a route through the communication network traversing one or more preceding network switches, for forwarding to a destination node. In response to detecting in the network switch a compromised ability to forward the communication traffic to the destination node, a notification is sent to the preceding network switches. The notification is to be consumed by the preceding network switches and requests the preceding network switches to modify the route so as not to traverse the network switch.

    Abstract translation: 一种方法包括在网络交换机中接收来自源节点的通信网络通信业务，并通过穿过一个或多个先前网络交换机的通信网络到达路由，以转发到目的地节点。 响应于在网络交换机中检测到将通信业务转发到目的地节点的能力受损，向前一个网络交换机发送通知。 该通知将由上述网络交换机使用，并请求上述网络交换机修改路由，以免穿越网络交换机。

    ROUTING CONTROLLED BY SUBNET MANAGERS
    38.
    发明申请
    ROUTING CONTROLLED BY SUBNET MANAGERS 有权
    子网管理员控制的路由

    公开(公告)号：US20140177639A1

    公开(公告)日：2014-06-26

    申请号：US13721052

    申请日：2012-12-20

    Applicant: MELLANOX TECHNOLOGIES LTD.

    Inventor： Ilya Vershkov ,  Dror Goldenberg ,  Eitan Zahavi ,  Diego Crupnicoff ,  Marina Lipshteyn

    IPC: H04L12/56

    CPC classification number: H04L45/58 ,  H04L45/16

    Abstract: A method for communication in a packet data network that includes at least first and second subnets interconnected by multiple routers and having respective first and second subnet managers. The method includes assigning respective local identifiers to ports for addressing of data link traffic within each subnet, such that the first subnet manager assigns the local identifiers in the first subnet, and the second subnet manager assigns the local identifiers in the second subnet. The routers are configured by transmitting and receiving control traffic between the subnet managers and the routers. Data packets are transmitted between network nodes in the first and second subnets via one or more of the configured routers under control of the subnet managers.

    Abstract translation: 一种用于在分组数据网络中进行通信的方法，其包括由多个路由器互连并且具有相应的第一和第二子网管理器的至少第一和第二子网。 该方法包括将各自的本地标识符分配给用于寻址每个子网内的数据链路流量的端口，使得第一子网管理器在第一子网中分配本地标识符，并且第二子网管理器在第二子网中分配本地标识符。 通过在子网管理器和路由器之间发送和接收控制流量来配置路由器。 在子网管理器的控制下，经由一个或多个配置的路由器在第一和第二子网中的网络节点之间传送数据包。

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