公开(公告)号：US12120023B2

公开(公告)日：2024-10-15

申请号：US18067232

申请日：2022-12-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jing Hu ,  Wei Yi ,  Jingrong Xie ,  Ju Wang ,  Ting Hua

IPC: H04L45/00 ,  H04L12/46 ,  H04L45/745

CPC classification number: H04L45/566 ,  H04L12/4633 ,  H04L45/745

Abstract: A bit index explicit replication (BIER) operations, administration, and maintenance (OAM) detection method includes a bit forwarding ingress router (BFIR) obtaining a detection request packet based on a first BIER OAM packet, and sending the detection request packet to at least one bit forwarding egress router BFER. The detection request packet includes a first packet and a first packet header. The first packet is a packet obtained by encapsulating the first BIER OAM packet. The first packet header includes a bit string, and the bit string indicates the at least one bit forwarding egress router BFER that is to be measured.

公开(公告)号：US11991012B2

公开(公告)日：2024-05-21

申请号：US17241464

申请日：2021-04-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jingrong Xie ,  Yang Xia

IPC: H04L12/741 ,  H04L12/18 ,  H04L12/46 ,  H04L45/74 ,  H04L67/56

CPC classification number: H04L12/18 ,  H04L12/4633 ,  H04L12/4641 ,  H04L45/74 ,  H04L67/56

Abstract: A packet forwarding method. The method includes: a first node configures a first identifier of a first VPN and a first IPv6 address on a control plane. The first node sends a first indication message to a second node, where the first indication message carries the first identifier and the first IPv6 address. The second node first determines, based on locally configured information about the first VPN and the first identifier in the first indication message, a second identifier that is of the second node and that satisfies a preset correspondence with the first identifier, and then establishes a correspondence between the first IPv6 address and the second identifier. The first node encapsulates, on a forwarding plane based on the first IPv6 address, a multicast data packet belonging to the first VPN, to obtain a to-be-forwarded BIER packet and sends the to-be-forwarded BIER packet.

公开(公告)号：US11855888B2

公开(公告)日：2023-12-26

申请号：US18045175

申请日：2022-10-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jingrong Xie ,  Yang Xia ,  Xuesong Geng

IPC: H04L45/00 ,  H04L9/08 ,  H04L9/32 ,  H04L45/741

CPC classification number: H04L45/566 ,  H04L9/0825 ,  H04L9/3242 ,  H04L45/741

Abstract: This application provides a packet verification method, and the method includes: A first network device receives a BIER packet, where packet header information of the BIER packet includes a first keyed-hash message authentication code HMAC, and the first HMAC is used to verify whether the BIER packet is a valid BIER packet; determines a second HMAC based on a first key and first information in the packet header information, where the first information is used to indicate forwarding information of the BIER packet; determines whether the first HMAC is the same as the second HMAC; and when determining that the first HMAC is different from the second HMAC, determines that the BIER packet is an invalid BIER packet.

公开(公告)号：US20230336484A1

公开(公告)日：2023-10-19

申请号：US18337940

申请日：2023-06-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingrong Xie ,  Fanghong Duan ,  Shuying Liu

IPC: H04L47/125

CPC classification number: H04L47/125

Abstract: This application provides a load sharing method, a root node device, a leaf node device, and a system. The method includes: a first root node device receives a message sent by the leaf node device, where the message includes a first identifier and configuration information. The first identifier indicates the leaf node device. The configuration information indicates a configuration mode, requested by the leaf node device, of load sharing from a root node device group to the leaf node device. The root node device group includes the first root node device. The first root node device determines, based on the first identifier and the configuration information, a configuration result of the load sharing from the first root node device to the leaf node device.

公开(公告)号：US20230318974A1

公开(公告)日：2023-10-05

申请号：US18327541

申请日：2023-06-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingrong Xie ,  Fanghong Duan ,  Xuesong Geng

IPC: H04L45/741 ,  H04L12/46 ,  H04L45/16

CPC classification number: H04L45/741 ,  H04L12/4641 ,  H04L45/16

Abstract: A first network device receives a BIER packet sent by a second network device. The BIER packet includes a data packet and a global VPN identifier, the global VPN identifier is for uniquely identifying, in a BIER domain, a VPN to which a source device of the data packet belongs, the global VPN identifier includes an identifier of the second network device and a first identifier, and the first identifier is for identifying, on the second network device, the VPN to which the source device of the data packet belongs. The first network device determines, based on the global VPN identifier, a first VPN corresponding to the global VPN identifier. The first network device sends the data packet to the destination device of the data packet corresponding to the first VPN.

公开(公告)号：US20230198892A1

公开(公告)日：2023-06-22

申请号：US18168395

申请日：2023-02-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shuying Liu ,  Ting Liao ,  Wei Fang ,  Rui Gu ,  Jingrong Xie ,  Xuesong Geng

IPC: H04L45/16 ,  H04L45/741

CPC classification number: H04L45/16 ,  H04L45/741

Abstract: A method for sending a multicast packet provided in embodiments of this application includes: a first network device obtains a first multicast packet, where the first multicast packet includes a bit string bit string and an identifier of a network slice, the bit string corresponds to a second network device, and the network slice corresponds to a multicast service of the second network device. The first network device obtains, based on the bit string and the identifier of the network slice, a first interface corresponding to the network slice. The first network device sends the first multicast packet to the second network device by using the first interface.

公开(公告)号：US20230188458A1

公开(公告)日：2023-06-15

申请号：US18164415

申请日：2023-02-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingrong Xie ,  Xuesong Geng ,  Fanghong Duan

IPC: H04L45/00 ,  H04L45/16

CPC classification number: H04L45/20 ,  H04L45/16 ,  H04L45/70

Abstract: An IPv6 packet sending method, a device, and a system is provided. The method includes a first network device receives a first IPv6 packet, where the first IPv6 packet includes a packet header and an inner packet, and the packet header includes a hop limit field. The network device further determines whether a value of the hop limit field is less than or equal to a preset threshold, determines whether the inner packet is a multicast packet, and avoids forwarding the first IPv6 packet when the value of the hop limit field is less than or equal to the preset threshold and the inner packet is the multicast packet.

公开(公告)号：US11652735B2

公开(公告)日：2023-05-16

申请号：US17549202

申请日：2021-12-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jingrong Xie ,  Sheng Fang

IPC: G06F15/16 ,  H04L45/16 ,  H04L45/24 ,  H04L45/48 ,  H04L45/50 ,  H04L12/18

CPC classification number: H04L45/16 ,  H04L12/1877 ,  H04L45/24 ,  H04L45/48 ,  H04L45/507

Abstract: A multicast data packet processing method performed by an intermediate node of a multicast tree includes: receiving a first Bit Index Explicit Replication (BIER) packet including a first label; obtaining, according to the first label, a second label corresponding to a multicast tree including the intermediate node; and obtaining a second BIER packet according to the second label and the first BIER packet, and sending the second BIER packet which includes the second label.

公开(公告)号：US11627084B2

公开(公告)日：2023-04-11

申请号：US17135698

申请日：2020-12-28

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Jingrong Xie ,  Yang Xia ,  Gang Yan ,  Shunwan Zhuang

IPC: H04L47/125 ,  H04L45/16 ,  H04L45/74

Abstract: The method includes: generating, by a first device, a first packet including a BIER header, where the BIER header includes entropy, and the entropy includes a first part and a second part; determining, by the first device based on the first packet, that there are a plurality of forwarding entries used to forward the first packet; selecting, by the first device, one forwarding entry from the plurality of forwarding entries based on the first part, where the selected forwarding entry includes an address of a second device, and the second device is a next-hop device of the first device; and sending, by the first device, the first packet to the second device, where the second part is used by the second device to select, from a plurality of forwarding entries used to forward the first packet, a forwarding entry used by the second device to forward the first packet.

公开(公告)号：US11233724B2

公开(公告)日：2022-01-25

申请号：US17009640

申请日：2020-09-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jingrong Xie ,  Sheng Fang

IPC: G06F15/16 ,  H04L12/761 ,  H04L12/707 ,  H04L12/753 ,  H04L12/723 ,  H04L12/18

Abstract: A multicast data packet processing method in a point-to-multipoint (P2MP)-based bit index explicit replication (BIER) multicast tree, which includes an intermediate node configured to use P2MP to forward a BIER packet, includes receiving a first multicast data packet with a BIER header having a first label. The method further includes obtaining a first forwarding entry based on the first label. The first forwarding entry includes the first label, a first identifier identifying the multicast tree, and a second identifier instructing to perform P2MP forwarding. The method further includes obtaining, based on the first identifier, a second forwarding entry including the first identifier and a second label. The method further includes obtaining a second multicast data packet based on the second identifier, the second forwarding entry, and the first multicast data packet, and sending the second multicast data packet. The second multicast data packet includes the second label.