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1. 发明公开

EP4287576A1 FAILURE DETECTION METHOD, NETWORK DEVICE, AND SYSTEM 审中-实审
公开(公告)号：EP4287576A1
公开(公告)日：2023-12-06
申请号：EP21922651.1
申请日：2021-12-27
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Zhiyong , XIAO, Yaqun , HAO, Jianwu , FANG, Sheng , FAN, Li
IPC分类号： H04L43/0823
摘要： A fault detection method, a network device, and a system are provided. The method includes: After a first network device receives, through a first forwarding path in an SR policy, a BFD packet that is sent by a second network device and that includes indication information of a SID list, the first network device determines, based on the indication information of the SID list, a second forwarding path that is reversely co-routed with the first forwarding path, and sends a response packet of the BFD packet to the second network device through the second forwarding path, so that the second network device can perform fault detection on the first forwarding path based on the response packet. In this way, a transmitting end includes the indication information of the SID list in the BFD packet, so that a receiving end can determine a forwarding path that is reversely co-routed with a forwarding path through which the BFD packet is transmitted, and send the response packet of the BFD packet to the transmitting end through the determined forwarding path, to implement accurate fault detection on a specific forwarding path in the SR policy.

2. 发明公开

EP3091697A1 COMMUNICATION METHOD, OPTICAL MODULE AND NETWORK DEVICE 有权
标题翻译：网络摄像头，优化模拟网络摄像机
公开(公告)号：EP3091697A1
公开(公告)日：2016-11-09
申请号：EP15755303.3
申请日：2015-02-26
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Hongming , HAO, Jianwu
IPC分类号： H04L12/701 , H04L12/24
CPC分类号： H04L49/25 , H04L43/06 , H04L43/0811 , H04L43/10 , H04L45/02 , H04L45/26 , H04L45/72 , H04L69/22 , H04L69/324 , H04Q2011/0079
摘要： Embodiments of the present invention provide a communication method, an optical module, and a network device. The communication method includes: generating, by an optical module, a first packet according to a service packet that passes through the optical module, wherein a source address of the first packet is the same as a source address of the service packet, a destination address of the first packet is the same as a destination address of the service packet, and the first packet is used to snoop whether a first transmission path from the optical module to a network device exists; sending, by the optical module, the first packet in a transmission direction of the service packet; and receiving, by the optical module, a second packet sent by the network device, wherein the second packet is used to respond to the first packet, and the second packet is used to indicate that the first transmission path from the optical module to the network device exists, and instruct the optical module to communicate with a network management system by using the network device and the first transmission path, wherein a communication path exists between the network device and the network management system. In a case in which a host device of an optical module is not reconstructed, this technical solution can implement that the optical module sends data to a network management system.
摘要翻译：本发明的实施例提供一种通信方法，光模块和网络设备。通信方法包括：根据通过光模块的服务分组，由光模块生成第一分组，其中第一分组的源地址与服务分组的源地址相同，目的地址所述第一分组与所述服务分组的目的地地址相同，并且所述第一分组用于窥探是否存在从所述光模块到网络设备的第一传输路径; 由所述光模块在所述业务分组的发送方向发送所述第一分组; 以及由所述光学模块接收由所述网络设备发送的第二分组，其中所述第二分组被用于响应所述第一分组，并且所述第二分组用于指示从所述光模块到所述网络的所述第一传输路径存在，并且指示光模块通过使用网络设备和第一传输路径与网络管理系统通信，其中在网络设备和网络管理系统之间存在通信路径。在不重构光模块的主机的情况下，该技术方案可以实现光模块向网管系统发送数据。

3. 发明公开

EP4044562A1 METHOD RELATED TO SENDING MANAGEMENT IP ADDRESS AND SYSTEM 审中-实审
公开(公告)号：EP4044562A1
公开(公告)日：2022-08-17
申请号：EP21208192.1
申请日：2021-11-15
申请人： Huawei Technologies Co., Ltd.
发明人： HAO, Jianwu , ZHANG, Yawei , CHEN, Songyan , LI, Zhiyong
IPC分类号： H04L61/5007 , H04L101/659
摘要： A method includes: A second system determines a type of a first management IP address, and sends, to a first system, first information used to indicate the type of the first management IP address; the first system determines the first management IP address based on the type of the first management IP address indicated by the first information, and releases a first correspondence between system identification information and the first management IP address to an advertisement system; the advertisement system sends the first correspondence to a network management system; and the network management system manages the first system based on the first correspondence.

4. 发明公开

EP3996335A1 METHOD AND APPARATUS FOR OBTAINING ROUTING TABLE ENTRY, AND DEVICE 审中-实审
公开(公告)号：EP3996335A1
公开(公告)日：2022-05-11
申请号：EP20849896.4
申请日：2020-09-29
申请人： Huawei Technologies Co., Ltd.
发明人： PENG, Shuping , LI, Lei , LI, Zhenbin , HAO, Jianwu
IPC分类号： H04L12/713
摘要： Embodiments of this application disclose a routing entry obtaining method and apparatus, and a device, to provide a user with an apparatus with an appropriate computing capability to interact with a terminal device. The method is applied to a first network device and specifically includes: obtaining an identifier of an application program, a computing capability of a first apparatus running the application program, and a computing capability of a second apparatus running the application program; determining, based on the computing capability of the first apparatus and the computing capability of the second apparatus, an apparatus whose computing capability satisfies a preset condition as a target apparatus; obtaining an identifier of a target instance, where the identifier of the target instance is used to identify an instance of the application program run by the target apparatus; and generating a routing entry based on the identifier of the application program and the identifier of the target instance, where the routing entry includes the identifier of the application program and an egress port of the first network device, and the egress port of the first network device is a port determined based on the identifier of the target instance and is capable of communicating with a next-hop device on a path to the target apparatus.

5. 发明公开

EP4175257A1 PACKET PROCESSING METHOD, APPARATUS, AND SYSTEM, AND STORAGE MEDIUM 有权
公开(公告)号：EP4175257A1
公开(公告)日：2023-05-03
申请号：EP22202445.7
申请日：2022-10-19
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Yawei , HAO, Jianwu , PENG, Shuping , YAN, Gang
IPC分类号： H04L67/10
摘要： This application discloses a packet processing method, apparatus, and system, and a storage medium, and belongs to the communication field. The method includes: A first network device receives a first packet sent by a second network device, where the first packet includes a first group identifier, the first group identifier corresponds to a VPN on the second network device, a first source device corresponding to the first packet belongs to the VPN, and the first source device is connected to the second network device. The first network device obtains a second group identifier based on a destination address of the first packet, where the second group identifier corresponds to the VPN on a third network device, a first destination device corresponding to the destination address of the first packet belongs to the VPN, and the first destination device is connected to the third network device. The first network device processes the first packet based on the first group identifier and the second group identifier. This application can meet a requirement of interconnection between some network devices and isolation between some networks.

6. 发明公开

EP3996335A9 METHOD AND APPARATUS FOR OBTAINING ROUTING TABLE ENTRY, AND DEVICE 审中-实审
公开(公告)号：EP3996335A9
公开(公告)日：2022-07-13
申请号：EP20849896.4
申请日：2020-08-03
申请人： Huawei Technologies Co., Ltd.
发明人： PENG, Shuping , LI, Lei , LI, Zhenbin , HAO, Jianwu
IPC分类号： H04L12/713
摘要： Embodiments of this application disclose a routing entry obtaining method and apparatus, and a device, to provide a user with an apparatus with an appropriate computing capability to interact with a terminal device. The method is applied to a first network device and specifically includes: obtaining an identifier of an application program, a computing capability of a first apparatus running the application program, and a computing capability of a second apparatus running the application program; determining, based on the computing capability of the first apparatus and the computing capability of the second apparatus, an apparatus whose computing capability satisfies a preset condition as a target apparatus; obtaining an identifier of a target instance, where the identifier of the target instance is used to identify an instance of the application program run by the target apparatus; and generating a routing entry based on the identifier of the application program and the identifier of the target instance, where the routing entry includes the identifier of the application program and an egress port of the first network device, and the egress port of the first network device is a port determined based on the identifier of the target instance and is capable of communicating with a next-hop device on a path to the target apparatus.

7. 发明公开

EP4311155A1 SOURCE SELECTION METHOD, APPARATUS, AND SYSTEM, AND STORAGE MEDIUM 审中-实审
公开(公告)号：EP4311155A1
公开(公告)日：2024-01-24
申请号：EP22831454.8
申请日：2022-05-12
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Yawei , LYU, Jingfei , HAO, Jianwu , CHEN, Songyan
IPC分类号： H04L7/00
摘要： This application provides a clock source selection method, apparatus, and system, and a storage medium, and belongs to the communication field. The method includes: After a first network device traces a clock of a second network device, when the first network device cannot trace the clock of the second network device, the first network device modifies a parameter value corresponding to a synchronization source selection parameter of the first network device to a first parameter value, where the first parameter value is superior to a parameter value corresponding to a synchronization source selection parameter of the second network device. In this application, a jump of a clock of a network device can be avoided.

8. 发明授权

EP3091697B1 COMMUNICATION METHOD, OPTICAL MODULE AND NETWORK DEVICE 有权
标题翻译：通信方法，光学模块和网络设备
公开(公告)号：EP3091697B1
公开(公告)日：2018-04-11
申请号：EP15755303.3
申请日：2015-02-26
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Hongming , HAO, Jianwu
IPC分类号： H04L12/701 , H04L12/24 , H04L12/721 , H04L12/26 , H04Q11/00 , H04L12/751
CPC分类号： H04L49/25 , H04L43/06 , H04L43/0811 , H04L43/10 , H04L45/02 , H04L45/26 , H04L45/72 , H04L69/22 , H04L69/324 , H04Q11/0066 , H04Q2011/0079
摘要： Embodiments of the present invention provide a communication method, an optical module, and a network device. The communication method includes: generating, by an optical module, a first packet according to a service packet that passes through the optical module, wherein a source address of the first packet is the same as a source address of the service packet, a destination address of the first packet is the same as a destination address of the service packet, and the first packet is used to snoop whether a first transmission path from the optical module to a network device exists; sending, by the optical module, the first packet in a transmission direction of the service packet; and receiving, by the optical module, a second packet sent by the network device, wherein the second packet is used to respond to the first packet, and the second packet is used to indicate that the first transmission path from the optical module to the network device exists, and instruct the optical module to communicate with a network management system by using the network device and the first transmission path, wherein a communication path exists between the network device and the network management system. In a case in which a host device of an optical module is not reconstructed, this technical solution can implement that the optical module sends data to a network management system.

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