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1. 发明授权

US09825771B2 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
申请人： Huawei Technologies Co., Ltd.
发明人： Xinping Wang , Xiaoqian Wu , Jiehui Hu , Guoqi Xu
IPC分类号： H04L12/18 , H04L12/761 , H04L12/46 , H04L12/715 , H04L12/775
CPC分类号： H04L12/185 , H04L12/4625 , H04L45/16 , H04L45/58 , H04L45/64
摘要： 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.

2. 发明申请

US20150146571A1 METHOD, DEVICE AND SYSTEM FOR CONTROLLING NETWORK PATH 有权
标题翻译：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
申请人： Huawei Technologies Co., Ltd.
发明人： Yi Xiong , Xiaoqian Wu , Changjiang Yan , Jiehui Hu
IPC分类号： H04L12/24
CPC分类号： H04L41/12 , H04W24/02 , H04W40/00
摘要： 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.
摘要翻译：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。

3. 发明申请

US20150349970A1 METHOD AND DEVICE FOR ESTABLISHING MULTICAST DATA CHANNEL IN NETWORK VIRTUALIZATION SYSTEM 有权
标题翻译：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
申请人： Huawei Technologies Co., Ltd.
发明人： Xinping Wang , Xiaoqian Wu , Jiehui Hu , Guoqi Xu
IPC分类号： H04L12/18 , H04L12/761
CPC分类号： H04L12/185 , H04L12/4625 , H04L45/16 , H04L45/58 , H04L45/64
摘要： 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.
摘要翻译：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。

4. 发明申请

US20150249599A1 VIRTUAL CLUSTER ESTABLISHMENT METHOD AND NETWORK DEVICE 审中-公开
标题翻译：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
申请人： Huawei Technologies Co., Ltd.
发明人： Xuefei Song , Xiaoqian Wu , Jiehui Hu
IPC分类号： H04L12/715 , H04L29/06 , H04L29/08
CPC分类号： H04L45/46 , H04L41/0893 , H04L41/0896 , H04L45/02 , H04L65/1073 , H04L67/10
摘要： 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.
摘要翻译：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。

5. 发明授权

US11133949B2 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
申请人： Huawei Technologies Co., Ltd.
发明人： Xinping Wang , Xiaoqian Wu , Jiehui Hu , Guoqi Xu
IPC分类号： H04L12/18 , H04L12/761 , H04L12/46 , H04L12/715 , H04L12/775
摘要： 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.

6. 发明授权

US09853856B2 Method and device for protecting service reliability and network virtualization system 有权
公开(公告)号：US09853856B2
公开(公告)日：2017-12-26
申请号：US14879845
申请日：2015-10-09
申请人： Huawei Technologies Co., Ltd.
发明人： Jiehui Hu , Jie Yang , Xiaoqian Wu , Xinping Wang
IPC分类号： H04L12/24 , H04L12/26 , H04L12/46 , H04L12/707 , H04L12/703
CPC分类号： H04L41/0668 , H04L12/4633 , H04L41/0663 , H04L41/0893 , H04L41/147 , H04L43/08 , H04L43/0811 , H04L45/22 , H04L45/28
摘要： 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.

7. 发明授权

US09628295B2 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
申请人： Huawei Technologies Co., Ltd.
发明人： Xiaoqian Wu , Jiehui Hu , Jie Yang , Yuangui Wen , Xinping Wang
IPC分类号： H04L12/46 , H04L12/24 , H04L12/709
CPC分类号： H04L12/4675 , H04L12/4641 , H04L41/0803 , H04L45/245
摘要： 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.

8. 发明授权

US10462048B2 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
申请人： Huawei Technologies Co., Ltd.
发明人： Xuefei Song , Xiaoqian Wu , Jiehui Hu
IPC分类号： H04L12/715 , H04L29/06 , H04L29/08 , H04L12/751 , H04L12/24
摘要： 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.

9. 发明授权

US09954773B2 Label switching path establishment method, data forwarding method, and device 有权
公开(公告)号：US09954773B2
公开(公告)日：2018-04-24
申请号：US14598624
申请日：2015-01-16
申请人： Huawei Technologies Co., Ltd.
发明人： Jiehui Hu , Xiaoqian Wu , Yongnian Huang , Xinping Wang , Jie Yang
IPC分类号： H04L12/723 , H04L12/717 , H04L12/733 , H04L12/707 , H04L12/715
CPC分类号： H04L45/507 , H04L45/20 , H04L45/22 , H04L45/42 , H04L45/64
摘要： 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.

10. 发明授权

US09755909B2 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
申请人： Huawei Technologies Co., Ltd.
发明人： Yi Xiong , Xiaoqian Wu , Changjiang Yan , Jiehui Hu
IPC分类号： H04L12/28 , H04L12/24 , H04W24/02 , H04W40/00
CPC分类号： H04L41/12 , H04W24/02 , H04W40/00
摘要： 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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