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1. 发明申请

US20230111267A1 ROUTING CONTROL METHOD, NETWORK DEVICE, AND CONTROLLER 有权
公开(公告)号：US20230111267A1
公开(公告)日：2023-04-13
申请号：US17746199
申请日：2022-05-17
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Shunwan ZHUANG , Chang WANG , Nan WU , Zhenbin LI , Hui NI
IPC分类号： H04L45/745 , H04L45/748 , H04L45/02 , H04L45/00
摘要： Embodiments of the present disclosure provide a routing control method, network device, and controller. The method may include the network device obtaining a route suppression request. The method may also include determining the second routing entry. Furthermore, the method may include setting a state of the second routing entry to a non-delivery state that is used to indicate that the second routing entry does not need to be delivered to a forwarding table. In the method, the network device may have a first routing entry and a second routing entry, an address prefix of the first routing entry is a first address prefix, an address prefix of the second routing entry is a second address prefix, a network segment to which the second address prefix belongs is a subset of a network segment to which the first address prefix belongs, and a mask in the second address prefix is greater than a mask in the first address prefix.

2. 发明申请

US20220086086A1 PACKET PROCESSING METHOD, DEVICE, AND SYSTEM 有权
公开(公告)号：US20220086086A1
公开(公告)日：2022-03-17
申请号：US17536507
申请日：2021-11-29
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Shunwan ZHUANG , Zhenbin LI , Shuanglong CHEN , Guoyi CHEN , Jia CHE , Nan WU
IPC分类号： H04L12/723 , H04L12/24 , H04L12/46 , H04L12/911
摘要： The present disclosure discloses a packet processing method, device, and system. The system includes: a controller, configured to: allocate a service label to a service processing manner of an FEC, establish a mapping relationship between the service label and the service processing manner, send the service label to a source node, and send the mapping relationship to a destination node; the source node, configured to: receive the service label sent by the controller, receive a first packet, insert the service label to the first packet to obtain a second packet, and send the second packet to the destination node; the destination node, configured to: receive the mapping relationship sent by the controller, receive the second packet sent by the source node, and pop the service label from the second packet according to the mapping relationship, to obtain the first packet.

3. 发明申请

US20210226888A1 ROUTING INFORMATION SENDING METHOD AND APPARATUS 有权
公开(公告)号：US20210226888A1
公开(公告)日：2021-07-22
申请号：US17226990
申请日：2021-04-09
申请人： Huawei Technologies Co., Ltd.
发明人： Haibo WANG , Shunwan ZHUANG
IPC分类号： H04L12/721 , H04L12/751 , H04L12/741 , H04L12/707
摘要： This application discloses a routing information sending method and apparatus. The method includes: receiving, by a first network node, routing information sent by a second network node, and determining the routing information corresponds to a tenant identifier; and then determining, by the first network node, that a third network node belongs to a tenant corresponding to the tenant identifier, and sending the routing information to the third network node in response to determining that the third network node belongs to the tenant corresponding to the tenant identifier.

4. 发明申请

US20220303211A1 ROUTING INFORMATION SENDING METHOD AND APPARATUS 有权
公开(公告)号：US20220303211A1
公开(公告)日：2022-09-22
申请号：US17833525
申请日：2022-06-06
申请人： Huawei Technologies Co., Ltd.
发明人： Haibo WANG , Shunwan ZHUANG
IPC分类号： H04L45/44 , H04L45/02 , H04L45/24 , H04L45/74
摘要： This application discloses a routing information sending method and apparatus. The method includes: receiving, by a first network node, routing information sent by a second network node, and determining the routing information corresponds to a tenant identifier; and then determining, by the first network node, that a third network node belongs to a tenant corresponding to the tenant identifier, and sending the routing information to the third network node in response to determining that the third network node belongs to the tenant corresponding to the tenant identifier.

5. 发明申请

US20190268239A1 BGP LOGICAL TOPOLOGY GENERATION METHOD, AND DEVICE 审中-公开
公开(公告)号：US20190268239A1
公开(公告)日：2019-08-29
申请号：US16407368
申请日：2019-05-09
申请人： Huawei Technologies Co., Ltd.
发明人： Shunwan ZHUANG , Yuanbin Yin , Baohua Song , Jianbin Xu
IPC分类号： H04L12/24 , H04L12/717 , H04L12/715 , H04L29/06 , H04L12/751 , H04L12/66
摘要： The present disclosure relates to the communications field, and discloses a BGP logical topology generation method, and a device. The method includes: obtaining, by a controller, node information of a first forwarder and BGP session information of the first forwarder, and obtaining node information of a second forwarder and BGP session information of the second forwarder; and generating, by the controller, a BGP logical topology between the first forwarder and the second forwarder according to the node information and the BGP session information of the first forwarder, and the node information and the BGP session information of the second forwarder that are obtained. The technical solution provided in the present invention can implement collection of a BGP logical topology between forwarders by the controller, which is favorable for the controller to manage forwarders running the BGP protocol.

6. 发明申请

US20190123995A1 METHOD, APPARATUS AND SYSTEM FOR CONTROLLING ROUTING INFORMATION ADVERTISING 审中-公开
公开(公告)号：US20190123995A1
公开(公告)日：2019-04-25
申请号：US16230694
申请日：2018-12-21
申请人： Huawei Technologies Co., Ltd.
发明人： Yuanbin OUYANG , Shunwan ZHUANG , Fengqing YU , Tao BAI , Lili WANG
IPC分类号： H04L12/707 , H04L12/773 , H04L12/64 , H04L12/24 , H04L12/751
CPC分类号： H04L45/24 , H04L12/6418 , H04L41/0803 , H04L45/02 , H04L45/60
摘要： The application disclose a method, an apparatus and a system for controlling routing information advertising, which relates to the field of communications and is used for reducing the configuration complexity and reinforcing the operability. The method includes: receiving, by a control device, first routing information sent by a first forwarding device; wherein the first routing information includes an identifier of the first forwarding device; determining a first routing path according to the identifier of the first forwarding device, an identifier of a second forwarding device and a routing path group; and determining an advertising range of second routing information for the second forwarding device according to the first routing path; for enabling the second forwarding device to advertise the second routing information according to the advertising range of the second routing information.

7. 发明申请

US20180205642A1 METHOD FOR ALLOCATING GLOBAL LABEL, METHOD FOR OBTAINING GLOBAL LABEL, AND RELATED APPARATUS 审中-公开
公开(公告)号：US20180205642A1
公开(公告)日：2018-07-19
申请号：US15923866
申请日：2018-03-16
申请人： Huawei Technologies Co., Ltd.
发明人： Zhenbin LI , Xia CHEN , Nan WU , Shunwan ZHUANG , Qiandeng LIANG
IPC分类号： H04L12/723 , H04L12/717 , H04L12/947 , H04L12/707
CPC分类号： H04L45/507 , H04L45/24 , H04L45/42 , H04L45/50 , H04L45/74 , H04L49/25
摘要： A method for allocating a global label is provided, including: receiving, by a controller, a first message sent by a forwarding apparatus, where the first message carries a first label range, multiple labels included in the first label range are a subset of multiple labels included in a label space of the forwarding apparatus, and the first label range is not equal to the label space of the forwarding apparatus; and allocating, by the controller, a global label to the forwarding apparatus according to the first label range carried in the first message, where the global label is a label in the first label range. In addition, a method for obtaining a global label, a controller, and a forwarding apparatus are further provided. The foregoing solutions improve efficiency of global label allocation.

8. 发明申请

US20160072695A1 METHOD AND APPARATUS FOR DETERMINING NEXT HOP AND ADVERTISING ROUTING INFORMATION 审中-公开
标题翻译：用于确定下一步和广告路由信息的方法和装置
公开(公告)号：US20160072695A1
公开(公告)日：2016-03-10
申请号：US14939880
申请日：2015-11-12
申请人： Huawei Technologies Co., Ltd.
发明人： Fengqing YU , Tao BAI , Shunwan ZHUANG , Lili WANG , Yuanbin OUYANG
IPC分类号： H04L12/751 , H04L12/741
CPC分类号： H04L45/02 , H04L45/24 , H04L45/42 , H04L45/74
摘要： Embodiments of the present application disclose a method and an apparatus for determining a next hop and advertising routing information, which relate to the field of communications and are used for reducing operation complexity of a forwarding device and reducing network maintenance workload. The method for determining the next hop provided by the embodiments of the present application includes: receiving, by a control device, first routing information sent by a first forwarding device, where the first routing information includes an identifier of the first forwarding device; determining a first routing path according to the identifier of the first forwarding device, an identifier of a second forwarding device and a routing path group; and determining a next hop in second routing information for the second forwarding device according to the first routing path, where the second forwarding device is a receiver of the second routing information advertised by the control device.
摘要翻译：本申请的实施例公开了一种用于确定与通信领域相关的下一跳和广告路由信息的方法和装置，并且用于降低转发设备的操作复杂性并减少网络维护工作量。由本申请的实施例提供的确定下一跳的方法包括：由控制设备接收由第一转发设备发送的第一路由信息，其中第一路由信息包括第一转发设备的标识符; 根据第一转发设备的标识符，第二转发设备的标识符和路由路由组确定第一路由路径; 以及根据所述第一路由路径确定所述第二转发设备的第二路由信息中的下一跳，其中所述第二转发设备是由所述控制设备通告的所述第二路由信息的接收者。

9. 发明申请

US20220329458A1 Virtual Private Network VPN Service Optimization Method and Device 有权
公开(公告)号：US20220329458A1
公开(公告)日：2022-10-13
申请号：US17851772
申请日：2022-06-28
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Shunwan ZHUANG , Haijun XU , Haibo WANG , Zhenbin LI , Jia CHE , Shuanglong CHEN
IPC分类号： H04L12/46 , H04L45/74 , H04L45/50 , H04L45/00 , H04L45/02
摘要： A first network device includes a processor and a memory having instructions stored thereon that, when executed by the processor, cause the first network device to: obtain a first virtual private network (VPN) route sent by a second network device. The first VPN route includes first identification information that uniquely identifies a first VPN instance in the second network device. The first network device is also caused to generate a second VPN route according to a second VPN instance accessing a third network device and the first VPN route. The second VPN route carries second identification information and routing information of the first VPN route. The second identification information uniquely identifies the second VPN instance in the third network device. The first identification information is different from the second identification information. The first network device is further caused to send the second VPN route to the third network device.

10. 发明申请

US20220263764A1 FLOWSPEC MESSAGE PROCESSING METHOD AND SYSTEM, AND APPARATUS 有权
公开(公告)号：US20220263764A1
公开(公告)日：2022-08-18
申请号：US17683778
申请日：2022-03-01
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Qiandeng LIANG , Shunwan ZHUANG , Nan WU , Jianjie YOU
IPC分类号： H04L47/2441 , H04L45/02 , H04L45/64 , H04L12/46 , H04L12/66 , H04L47/33
摘要： The present disclosure discloses a flow specification (FlowSpec) message processing method. In the method, a controller forwards device interface information reported by the forwarding device; selects at least one forwarding device interface to which a FlowSpec rule needs to be applied from the received forwarding device interface information; generates an application interface rule based on the at least one forwarding device interface to which the FlowSpec rule needs to be applied; and sends a FlowSpec message to the forwarding device.

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