公开(公告)号：US20180041352A1

公开(公告)日：2018-02-08

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 ,  H04L12/775 ,  H04L12/715

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.

公开(公告)号：US20150349978A1

公开(公告)日：2015-12-03

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 ,  H04L12/709 ,  H04L12/24

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.

Abstract translation: 当虚拟集群系统支持单播IP，L2VPN和L3VPN业务时，一种方法可以解决网络虚拟化系统内部业务的连通性，从而软件网络虚拟化系统能够高效，高质量地支持各种业务。 该方法包括：在控制设备上创建用于远程接入节点的外部接口的虚拟化远程逻辑接口; 由所述控制装置根据所述虚拟化远程逻辑接口上配置的业务识别所述业务的业务类型，生成所述远程接入节点和核心聚合节点的虚拟链路转发表项; 以及由所述控制设备将所述虚拟链路转发表项发送到所述远程接入节点和所述核心聚合节点，以便在所述核心聚合节点与所述远程接入节点之间建立虚拟链路。

公开(公告)号：US20150124830A1

公开(公告)日：2015-05-07

申请号：US14598624

申请日：2015-01-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiehui Hu ,  Xiaoqian Wu ,  Yongnian Huang ,  Xinping Wang ,  Jie Yang

IPC: H04L12/723 ,  H04L12/707 ,  H04L12/733

CPC classification number: H04L45/507 ,  H04L45/20 ,  H04L45/22 ,  H04L45/42 ,  H04L45/64

Abstract: Embodiments of the present invention provide a label switching path establishment method, a data forwarding method, and a device. The establishment method includes: determining, by a first service controller, each hop on an LSP from a preset ingress to a preset egress, allocating, from first label space information of each hop, a label to each hop, determining incoming and outgoing information of each hop according to topology information of each hop, generating forwarding data of each hop, and sending the forwarding data of each hop to a node device corresponding to each hop to complete establishment of the LSP. A technical solution of the present invention can alleviate burden of a node device in an MPLS network and increase the number of LSPs that the node device is capable of supporting.

Abstract translation: 本发明的实施例提供了一种标签交换路径建立方法，数据转发方法和装置。 所述建立方法包括：由第一业务控制器确定LSP上的每跳从预设入口到预设出口，从每跳的第一标签空间信息分配标签到每一跳，确定进入和离开的信息 根据每跳的拓扑信息，每跳，生成每一跳的转发数据，并将每一跳的转发数据发送到与每一跳相对应的节点设备，以完成LSP的建立。 本发明的技术方案可以减轻MPLS网络中节点设备的负担，增加节点设备支持的LSP数量。

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.

公开(公告)号：US09853856B2

公开(公告)日：2017-12-26

申请号：US14879845

申请日：2015-10-09

Applicant: Huawei Technologies Co., Ltd.

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

IPC: H04L12/24 ,  H04L12/26 ,  H04L12/46 ,  H04L12/707 ,  H04L12/703

CPC classification number: H04L41/0668 ,  H04L12/4633 ,  H04L41/0663 ,  H04L41/0893 ,  H04L41/147 ,  H04L43/08 ,  H04L43/0811 ,  H04L45/22 ,  H04L45/28

Abstract: Disclosed is a method and a device for protecting service reliability, and the service reliability in the network virtualization system provided by the present disclosure may be ensured. In an embodiment of the present disclosure, a master node having a control function obtains the current service type information and notifies a slave node of the current service type information, for enabling the slave node to determine a main virtual link and a backup virtual link according to the service type information and to perform the failure detection, and when detecting that the main virtual link has failure and the backup virtual link has no failure, a service data message is switched to be transmitted on the backup virtual link, to ensure non-interrupted transmission of a service data message in a brand-new system architecture provided by the present disclosure, so as to ensure the service reliability.

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.

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。

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。

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.

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。