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    Method and device for establishing multicast data channel in network virtualization system
    1.
    发明授权
    Method and device for establishing multicast data channel in network virtualization system 有权

    公开(公告)号：US09825771B2

    公开(公告)日：2017-11-21

    申请号：US14820128

    申请日：2015-08-06

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xinping Wang ,  Xiaoqian Wu ,  Jiehui Hu ,  Guoqi Xu

    IPC: H04L12/18 ,  H04L12/761 ,  H04L12/46 ,  H04L12/715 ,  H04L12/775

    CPC classification number: H04L12/185 ,  H04L12/4625 ,  H04L45/16 ,  H04L45/58 ,  H04L45/64

    Abstract: The method of establishing a multicast data channel in a network virtualization system includes: creating, on a controller, a virtual remote logical interface for an external interface of a remote node; generating, a multicast tree tunnel that uses a core node as a root, and obtaining a multicast protocol packet sent by a device outside the network virtualization system; acquiring, a multicast source address and a multicast group address from the multicast protocol packet, and generating a multicast forwarding table; searching, the multicast forwarding table for an external interface of the core node, searching for an outbound interface of the multicast tree tunnel on the core node according to the multicast tree tunnel, and generating a P2MP PW forwarding table of the core node, and sending the P2MP PW forwarding table of the core node to the core node. The method implements a multicast service in a virtual cluster router.

    METHOD, DEVICE AND SYSTEM FOR CONTROLLING NETWORK PATH
    2.
    发明申请
    METHOD, DEVICE AND SYSTEM FOR CONTROLLING NETWORK PATH 有权
    方法，用于控制网路的装置和系统

    公开(公告)号：US20150146571A1

    公开(公告)日：2015-05-28

    申请号：US14575386

    申请日：2014-12-18

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Yi Xiong ,  Xiaoqian Wu ,  Changjiang Yan ,  Jiehui Hu

    IPC: H04L12/24

    CPC classification number: H04L41/12 ,  H04W24/02 ,  H04W40/00

    Abstract: Embodiments of the present invention provide a method, a device, and a system for controlling a network path, where the method includes: the first control device generates path information for a first AP according to network topology information, and generates first forwarding information for the first AP according to acquired forwarding resource information of the first AP and the path information, and sends the first forwarding information to the first AP; the first control device determines that a second AP which is not managed by the first control device is included in the path information, sends the path information to a second control device for managing the second AP, so that the second control device generates second forwarding information for the second AP according to the path information and the acquired forwarding resource information of the second AP, and sends the second forwarding information to the second AP.

    Abstract translation: 本发明的实施例提供了一种控制网络路径的方法，装置和系统，其中该方法包括：第一控制装置根据网络拓扑信息生成第一AP的路径信息，并且生成用于 第一AP根据获取的第一AP的转发资源信息和路径信息，并将第一转发信息发送给第一AP; 第一控制装置确定未被第一控制装置管理的第二AP被包括在路径信息中，将路径信息发送到用于管理第二AP的第二控制装置，使得第二控制装置生成第二转发信息 对于第二AP，根据路径信息和所获取的第二AP的转发资源信息，将第二转发信息发送给第二AP。

    METHOD AND DEVICE FOR ESTABLISHING MULTICAST DATA CHANNEL IN NETWORK VIRTUALIZATION SYSTEM
    3.
    发明申请
    METHOD AND DEVICE FOR ESTABLISHING MULTICAST DATA CHANNEL IN NETWORK VIRTUALIZATION SYSTEM 有权
    用于在网络虚拟化系统中建立多播数据信道的方法和设备

    公开(公告)号：US20150349970A1

    公开(公告)日：2015-12-03

    申请号：US14820128

    申请日：2015-08-06

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xinping Wang ,  Xiaoqian Wu ,  Jiehui Hu ,  Guoqi Xu

    IPC: H04L12/18 ,  H04L12/761

    CPC classification number: H04L12/185 ,  H04L12/4625 ,  H04L45/16 ,  H04L45/58 ,  H04L45/64

    Abstract: The method of establishing a multicast data channel in a network virtualization system includes: creating, on a controller, a virtual remote logical interface for an external interface of a remote node; generating, a multicast tree tunnel that uses a core node as a root, and obtaining a multicast protocol packet sent by a device outside the network virtualization system; acquiring, a multicast source address and a multicast group address from the multicast protocol packet, and generating a multicast forwarding table; searching, the multicast forwarding table for an external interface of the core node, searching for an outbound interface of the multicast tree tunnel on the core node according to the multicast tree tunnel, and generating a P2MP PW forwarding table of the core node, and sending the P2MP PW forwarding table of the core node to the core node. The method implements a multicast service in a virtual cluster router.

    Abstract translation: 在网络虚拟化系统中建立组播数据信道的方法包括：在控制器上创建用于远程节点的外部接口的虚拟远程逻辑接口; 生成以核心节点为根的组播树隧道，获取由网络虚拟化系统外的设备发送的组播协议报文; 从组播协议报文获取组播源地址和组播组地址，生成组播转发表; 搜索核心节点外部接口的组播转发表，根据组播树隧道在核心节点上搜索组播树隧道的出接口，生成核心节点的P2MP PW转发表，并发送 核心节点的P2MP PW转发表到核心节点。 该方法在虚拟集群路由器中实现组播业务。

    VIRTUAL CLUSTER ESTABLISHMENT METHOD AND NETWORK DEVICE
    4.
    发明申请
    VIRTUAL CLUSTER ESTABLISHMENT METHOD AND NETWORK DEVICE 审中-公开
    虚拟集群建立方法和网络设备

    公开(公告)号：US20150249599A1

    公开(公告)日：2015-09-03

    申请号：US14711326

    申请日：2015-05-13

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xuefei Song ,  Xiaoqian Wu ,  Jiehui Hu

    IPC: H04L12/715 ,  H04L29/06 ,  H04L29/08

    CPC classification number: H04L45/46 ,  H04L41/0893 ,  H04L41/0896 ,  H04L45/02 ,  H04L65/1073 ,  H04L67/10

    Abstract: The present invention provides a virtual cluster establishment method and a network device. The method includes: a first network device establishes, a network-layer-based first communication connection with a second network device; the first network device sends a first registration request message to the second network device through the first communication connection, where the first registration request message is used to establish a virtual cluster with the second network device; after the first network device receives a registration response message, selecting the second network device as an active main control device in the virtual cluster system; establishes, a network-layer-based second communication connection with a third network device; sends, a second registration request message to the third network device; and selects the third network device as a standby main control device. In this invention, a structure of a cluster is simplified, and scalability of the cluster is improved.

    Abstract translation: 本发明提供一种虚拟群集建立方法和网络装置。 该方法包括：第一网络设备与第二网络设备建立基于网络层的第一通信连接; 第一网络设备通过第一通信连接向第二网络设备发送第一注册请求消息，其中第一注册请求消息用于与第二网络设备建立虚拟集群; 在第一网络设备接收到注册响应消息之后，在虚拟集群系统中选择第二网络设备作为活动主控设备; 建立与第三网络设备的基于网络层的第二通信连接; 向第三网络设备发送第二注册请求消息; 并选择第三网络设备作为备用主控设备。 在本发明中，简化了集群的结构，提高了集群的可扩展性。

    Method and device for establishing multicast data channel in network virtualization system
    5.
    发明授权
    Method and device for establishing multicast data channel in network virtualization system 有权

    公开(公告)号：US11133949B2

    公开(公告)日：2021-09-28

    申请号：US15785167

    申请日：2017-10-16

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xinping Wang ,  Xiaoqian Wu ,  Jiehui Hu ,  Guoqi Xu

    IPC: H04L12/18 ,  H04L12/761 ,  H04L12/46 ,  H04L12/715 ,  H04L12/775

    Abstract: The method of establishing a multicast data channel in a network virtualization system includes: creating, on a controller, a virtual remote logical interface for an external interface of a remote node; generating, a multicast tree tunnel that uses a core node as a root, and obtaining a multicast protocol packet sent by a device outside the network virtualization system; acquiring, a multicast source address and a multicast group address from the multicast protocol packet, and generating a multicast forwarding table; searching, the multicast forwarding table for an external interface of the core node, searching for an outbound interface of the multicast tree tunnel on the core node according to the multicast tree tunnel, and generating a P2MP PW forwarding table of the core node, and sending the P2MP PW forwarding table of the core node to the core node. The method implements a multicast service in a virtual cluster router.

    Method, device, and routing system for data transmission of network virtualization
    7.
    发明授权
    Method, device, and routing system for data transmission of network virtualization 有权

    公开(公告)号：US09628295B2

    公开(公告)日：2017-04-18

    申请号：US14819187

    申请日：2015-08-05

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xiaoqian Wu ,  Jiehui Hu ,  Jie Yang ,  Yuangui Wen ,  Xinping Wang

    IPC: H04L12/46 ,  H04L12/24 ,  H04L12/709

    CPC classification number: H04L12/4675 ,  H04L12/4641 ,  H04L41/0803 ,  H04L45/245

    Abstract: A method resolves connectivity of services inside a network virtualization system when a virtual cluster system supports unicast IP, L2VPN, and L3VPN services, so that the software network virtualization system can support various types of services efficiently and with high quality. The method includes: creating, on a control device, a virtualized remote logical interface for an external interface of a remote access node; identifying, by the control device according to a service configured on the virtualized remote logical interface, a service type of the service, and generating virtual link forwarding entries of the remote access node and a core aggregation node; and sending, by the control device, the virtual link forwarding entry to the remote access node and the core aggregation node, so as to set up a virtual link between the core aggregation node and the remote access node.

    Virtual cluster establishment method and network device
    8.
    发明授权
    Virtual cluster establishment method and network device 有权

    公开(公告)号：US10462048B2

    公开(公告)日：2019-10-29

    申请号：US14711326

    申请日：2015-05-13

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xuefei Song ,  Xiaoqian Wu ,  Jiehui Hu

    IPC: H04L12/715 ,  H04L29/06 ,  H04L29/08 ,  H04L12/751 ,  H04L12/24

    Abstract: The present invention provides a virtual cluster establishment method and a network device. The method includes: a first network device establishes, a network-layer-based first communication connection with a second network device; the first network device sends a first registration request message to the second network device through the first communication connection, where the first registration request message is used to establish a virtual cluster with the second network device; after the first network device receives a registration response message, selecting the second network device as an active main control device in the virtual cluster system; establishes, a network-layer-based second communication connection with a third network device; sends, a second registration request message to the third network device; and selects the third network device as a standby main control device. In this invention, a structure of a cluster is simplified, and scalability of the cluster is improved.

    Method, device and system for controlling network path
    10.
    发明授权
    Method, device and system for controlling network path 有权

    公开(公告)号：US09755909B2

    公开(公告)日：2017-09-05

    申请号：US14575386

    申请日：2014-12-18

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Yi Xiong ,  Xiaoqian Wu ,  Changjiang Yan ,  Jiehui Hu

    IPC: H04L12/28 ,  H04L12/24 ,  H04W24/02 ,  H04W40/00

    CPC classification number: H04L41/12 ,  H04W24/02 ,  H04W40/00

    Abstract: Embodiments of the present invention provide a method, a device, and a system for controlling a network path, where the method includes: the first control device generates path information for a first AP according to network topology information, and generates first forwarding information for the first AP according to acquired forwarding resource information of the first AP and the path information, and sends the first forwarding information to the first AP; the first control device determines that a second AP which is not managed by the first control device is included in the path information, sends the path information to a second control device for managing the second AP, so that the second control device generates second forwarding information for the second AP according to the path information and the acquired forwarding resource information of the second AP, and sends the second forwarding information to the second AP.

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