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公开(公告)号：US20230224236A1
公开(公告)日：2023-07-13
申请号：US18187425
申请日：2023-03-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanrong Liang , Guoqi Xu , Yuxiao Wang
IPC: H04L45/02
CPC classification number: H04L45/04
Abstract: A routing information transmission method includes before forwarding a service traffic packet, a first network device receives first Border Gateway Protocol (BGP) routing information from a second network device to determine a first forwarding table entry based on a service identifier and an identifier of a first network slice that are in the first BGP routing information. The first forwarding table entry indicates to forward, to the second network device using the first network slice, the service traffic. When receiving the service traffic packet corresponding to the service identifier, the first network device determines the first network slice based on the first forwarding table entry, and then sends the service traffic to the second network device using the first network slice.
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2.发明授权公开(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.
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公开(公告)号：US12101249B2
公开(公告)日：2024-09-24
申请号：US17969247
申请日：2022-10-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mengkai Zhao , Guoqi Xu , Song Liu , Zhibo Hu
IPC: G06F15/173 , H04L45/24 , H04L45/28 , H04L45/42
Abstract: A first network device receives an association relationship sent by a second network device, where the association relationship includes an association relationship between a first path and a second path. The first network device generates first routing information between the first network device and a target network device based on the association relationship, where the first routing information is used by the first network device to send a packet to the target network device through the first path, and when a cross-slice condition is met, the first routing information is used by the first network device to send a packet to the target network device through the second path.
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公开(公告)号：US12063153B2
公开(公告)日：2024-08-13
申请号：US17541465
申请日：2021-12-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Guoqi Xu , Naiwen Wei , Yisong Liu , Hao Zhang
CPC classification number: H04L45/16 , H04L12/18 , H04L45/02 , H04L45/22 , H04L63/0272
Abstract: A method and apparatus for implementing multicast. When a multicast source performs route advertisement, route update is performed on a cross-DC integrated device, and a received device identifier and a received AS number are replaced with a device identifier and an AS number that are of the integrated device. In this way, when a multicast user joins the multicast source, each network device in the network can trace the multicast source based on a received route, and determine a multicast path that is from the multicast source to the multicast user. Therefore, it is possible to accurately perform, in a NG MVPN, cross-DC multicast on traffic of the multicast source.
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公开(公告)号：US20230327986A1
公开(公告)日：2023-10-12
申请号：US18324350
申请日：2023-05-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhibo Hu , Guoqi Xu , Yaqun Xiao , Fang Gao , Lei Bao , Sheng Fang , Zhenxing Wang , Pingan Yang , Cuijun Wang
IPC: H04L45/586 , H04L12/46 , H04L45/745
CPC classification number: H04L45/586 , H04L12/4679 , H04L45/745
Abstract: A network system includes a first network device, a second network device, and a third network device. The first network device is configured to: obtain a first route advertisement message, where the first route advertisement message includes a first route prefix; and obtain a second route prefix based on the first route prefix, where the second route prefix corresponds to a first network slice, and the second route prefix is a subnet prefix of the first route prefix. The first network device advertises a second route advertisement message to the second network device, where the second route advertisement message includes the second route prefix.
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Patent Agency Ranking
6.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。
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公开(公告)号：US20230388232A1
公开(公告)日：2023-11-30
申请号：US18363783
申请日：2023-08-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mengkai Zhao , Guoqi Xu , Juan Zheng
IPC: H04L45/748 , H04L45/00 , H04L45/02
CPC classification number: H04L45/748 , H04L45/566 , H04L45/02
Abstract: This application discloses a packet sending method, apparatus, and system, and a storage medium, and relates to the communication field. The method includes: A first device receives a first packet, where the first packet includes a first address prefix, the first device is a border device in a first AS domain, the first address prefix is obtained based on an address prefix advertised by a second device, the second device is located in a second AS domain, the first AS domain is different from the second AS domain, and the first address prefix is used to send a packet to the second device. The first device obtains a second address prefix and identification information of a target flexible algorithm based on the first address prefix, where the second address prefix is used to send a packet to the second device.
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公开(公告)号：US20230092549A1
公开(公告)日：2023-03-23
申请号：US17993551
申请日：2022-11-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Peipei Chen , Guoqi Xu , Enjian Xu , Zhikun Liu
Abstract: This application discloses an advertisement information processing method. The method includes a first node receives, in a first IGP process, first advertisement information that is sent by a second node and that includes a destination address of the second node and a first identifier indicating, in the first IGP process, a first flexible algorithm. The first node determines whether the first identifier indicates, in a second IGP process, a flexible algorithm the same as the first flexible algorithm. When the first identifier does not indicate, in the second IGP process, the flexible algorithm the same as the first flexible algorithm, the first node advertises, in the second IGP process, second advertisement information that includes the destination address and a second identifier indicating, in the second IGP process, a second flexible algorithm, or skips advertising third advertisement information that includes the destination address. In the method, the first flexible algorithm in the first IGP process is mapped to the second flexible algorithm in the second IGP process, to resolve a problem that advertisement information imported across processes cannot work normally when flexible algorithms deployed in different IGP processes are different.
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公开(公告)号：US20230044639A1
公开(公告)日：2023-02-09
申请号：US17969247
申请日：2022-10-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mengkai Zhao , Guoqi Xu , Song Liu , Zhibo Hu
Abstract: A first network device receives an association relationship sent by a second network device, where the association relationship includes an association relationship between a first path and a second path. The first network device generates first routing information between the first network device and a target network device based on the association relationship, where the first routing information is used by the first network device to send a packet to the target network device through the first path, and when a cross-slice condition is met, the first routing information is used by the first network device to send a packet to the target network device through the second path.
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10.发明申请公开(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.
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