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    IMPLEMENTING MPLS PIPE MODELS IN A LOSSLESS NETWORK
    1.
    发明申请
    IMPLEMENTING MPLS PIPE MODELS IN A LOSSLESS NETWORK 有权
    在无线网络中实现MPLS管道模型

    公开(公告)号：US20160330114A1

    公开(公告)日：2016-11-10

    申请号：US14705003

    申请日：2015-05-06

    Applicant: MELLANOX TECHNOLOGIES TLV LTD.

    Inventor： Barak Gafni ,  Ilya Vershkov

    IPC: H04L12/723 ,  H04L12/721

    CPC classification number: H04L45/50 ,  H04L45/66

    Abstract: A method for communication includes defining a pipe traversing a sequence of routers through an MPLS network, and specifying for the pipe an outer label that indicates a first quality of service (QoS) for the packets in the pipe. Upon receiving a packet at the ingress to the pipe, the outer label is appended to the packet, and the packet with the outer label is forwarded through the pipe. At each of the routers in the sequence, the packet is forwarded through the pipe in accordance with the outer label at the first quality of service. At a transitional router, in proximity to the egress from the pipe, the outer label is popped from the packet, and a second QoS is identified based on a field remaining in the packet after popping the outer label. The packet is then forwarded at the second QoS.

    Abstract translation: 一种通信方法包括定义穿过MPLS网络的路由器序列的管道，并且为管道指定管道中的分组的第一服务质量（QoS）的外部标签。 在入口处收到一个数据包后，外部标签被附加到数据包，外部标签的数据包通过管道传送。 在序列中的每个路由器上，根据第一服务质量的外部标签，通过管道转发数据包。 在过渡路由器处，在距离管道的出口附近，外部标签从分组中弹出，并且在弹出外部标签之后，基于分组中剩余的字段来识别第二QoS。 然后以第二QoS转发该分组。

    Fast rerouting using egress-port loopback
    2.
    发明授权
    Fast rerouting using egress-port loopback 有权

    公开(公告)号：US11711294B2

    公开(公告)日：2023-07-25

    申请号：US17246736

    申请日：2021-05-03

    Applicant: Mellanox Technologies TLV Ltd.

    Inventor： Aviv Kfir ,  Barak Gafni ,  Ilya Vershkov

    IPC: G06F9/48 ,  H04B17/00 ,  H04L45/24 ,  H04L45/00

    CPC classification number: H04L45/24 ,  H04L45/22 ,  H04L45/566

    Abstract: A network device includes processing circuitry and multiple ports. The multiple ports are configured to connect to a communication network. The processing circuitry is configured to select a first port among the multiple ports to serve as an egress port for a packet, and to forward the packet to the first port, irrespective of whether or not the first port is usable as the egress port. The processing circuitry is further configured to, when the first port is usable as the egress port, transmit the packet to the communication network via the first port, and when the first port is unusable as the egress port, forward the packet from the first port to a second port among the multiple ports and transmit the packet to the communication network via the second port.

    Implementing MPLS pipe models in a lossless network
    3.
    发明授权
    Implementing MPLS pipe models in a lossless network 有权
    在无损网络中实现MPLS管道模型

    公开(公告)号：US09525623B2

    公开(公告)日：2016-12-20

    申请号：US14705003

    申请日：2015-05-06

    Applicant: MELLANOX TECHNOLOGIES TLV LTD.

    Inventor： Barak Gafni ,  Ilya Vershkov

    IPC: H04L12/28 ,  H04L12/723 ,  H04L12/721

    CPC classification number: H04L45/50 ,  H04L45/66

    Abstract: A method for communication includes defining a pipe traversing a sequence of routers through an MPLS network, and specifying for the pipe an outer label that indicates a first quality of service (QoS) for the packets in the pipe. Upon receiving a packet at the ingress to the pipe, the outer label is appended to the packet, and the packet with the outer label is forwarded through the pipe. At each of the routers in the sequence, the packet is forwarded through the pipe in accordance with the outer label at the first quality of service. At a transitional router, in proximity to the egress from the pipe, the outer label is popped from the packet, and a second QoS is identified based on a field remaining in the packet after popping the outer label. The packet is then forwarded at the second QoS.

    Abstract translation: 一种通信方法包括定义穿过MPLS网络的路由器序列的管道，并且为管道指定管道中的分组的第一服务质量（QoS）的外部标签。 在入口处收到一个数据包后，外部标签被附加到数据包，外部标签的数据包通过管道传送。 在序列中的每个路由器上，根据第一服务质量的外部标签，通过管道转发数据包。 在过渡路由器处，在距离管道的出口附近，外部标签从分组中弹出，并且在弹出外部标签之后，基于分组中剩余的字段来识别第二QoS。 然后以第二QoS转发该分组。

    Fast rerouting using egress-port loopback
    4.
    发明申请
    Fast rerouting using egress-port loopback 有权

    公开(公告)号：US20220353174A1

    公开(公告)日：2022-11-03

    申请号：US17246736

    申请日：2021-05-03

    Applicant: Mellanox Technologies TLV Ltd.

    Inventor： Aviv Kfir ,  Barak Gafni ,  Ilya Vershkov

    IPC: H04L12/707 ,  H04L12/721

    Abstract: A network device includes processing circuitry and multiple ports. The multiple ports are configured to connect to a communication network. The processing circuitry is configured to select a first port among the multiple ports to serve as an egress port for a packet, and to forward the packet to the first port, irrespective of whether or not the first port is usable as the egress port. The processing circuitry is further configured to, when the first port is usable as the egress port, transmit the packet to the communication network via the first port, and when the first port is unusable as the egress port, forward the packet from the first port to a second port among the multiple ports and transmit the packet to the communication network via the second port.

    Scalable pipeline for EVPN multi-homing
    5.
    发明授权
    Scalable pipeline for EVPN multi-homing 有权

    公开(公告)号：US11102146B2

    公开(公告)日：2021-08-24

    申请号：US16706892

    申请日：2019-12-09

    Applicant: MELLANOX TECHNOLOGIES TLV LTD.

    Inventor： Zachy Haramaty ,  Aviv Kfir ,  Ilya Vershkov ,  Barak Gafni

    IPC: H04L12/927 ,  H04L12/46 ,  H04L29/06 ,  H04L29/12 ,  H04L12/911

    Abstract: One embodiment includes a network device including multiple interfaces to serve as ingress ports for receiving network packets from nodes in remote customer-site network(s) via a tunnel in a provider network, and from nodes in a local customer-site network, and egress ports for forwarding at least some of the network packets, and control circuitry to make a decision to drop a network packet to reduce packet duplication in at least one of the nodes, responsively to the network packet being identified as a packet of broadcast, unknown unicast, or multicast traffic, the network packet being subject to decapsulation of an encapsulation header, being assigned to one of the egress ports, and having a header including one of a plurality of virtual local area network identifications, or one of a plurality of source identifications.

    Scalable pipeline for EVPN multi-homing
    6.
    发明申请
    Scalable pipeline for EVPN multi-homing 有权

    公开(公告)号：US20210176190A1

    公开(公告)日：2021-06-10

    申请号：US16706892

    申请日：2019-12-09

    Applicant: MELLANOX TECHNOLOGIES TLV LTD.

    Inventor： Zachy Haramaty ,  Aviv Kfir ,  Ilya Vershkov ,  Barak Gafni

    IPC: H04L12/927 ,  H04L12/46 ,  H04L12/911 ,  H04L29/06 ,  H04L29/12

    Abstract: One embodiment includes a network device including multiple interfaces to serve as ingress ports for receiving network packets from nodes in remote customer-site network(s) via a tunnel in a provider network, and from nodes in a local customer-site network, and egress ports for forwarding at least some of the network packets, and control circuitry to make a decision to drop a network packet to reduce packet duplication in at least one of the nodes, responsively to the network packet being identified as a packet of broadcast, unknown unicast, or multicast traffic, the network packet being subject to decapsulation of an encapsulation header, being assigned to one of the egress ports, and having a header including one of a plurality of virtual local area network identifications, or one of a plurality of source identifications.

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