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公开(公告)号：US20230318966A1
公开(公告)日：2023-10-05
申请号：US18327563
申请日：2023-06-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Fanghong Duan , Jingrong Xie , Zhidan Zhu
IPC: H04L45/16 , H04L12/46 , H04L45/741
CPC classification number: H04L45/16 , H04L12/4641 , H04L45/741 , H04L2212/00
Abstract: This application provides a packet transmission method, a correspondence obtaining method, and an apparatus and a system that are related to the foregoing method. For the packet transmission method, a first PE receives a first BIER packet sent by a first CE, determines, based on the received first BIER packet, a first VPN to which the first CE belongs, and transmits the first BIER packet based on the first VPN.
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Patent Agency Ranking
公开(公告)号：US20230308386A1
公开(公告)日：2023-09-28
申请号：US18327556
申请日：2023-06-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Fanghong Duan , Jingrong Xie , Zhidan Zhu
IPC: H04L45/42 , H04L45/748 , H04L45/655
CPC classification number: H04L45/42 , H04L45/748 , H04L45/655
Abstract: In accordance with an embodiment, a packet transmission method includes receiving, by a second provider edge (PE) through a multicast tunnel, a bit indexed explicit replication (BIER) packet sent by a first PE, wherein the BIER packet comprises a bit string, and the bit string indicates a customer edge (CE) designated to receive the BIER packet; and processing, by the second PE based on the bit string, the BIER packet.
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公开(公告)号：US20230269165A1
公开(公告)日：2023-08-24
申请号：US18309532
申请日：2023-04-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jingrong Xie , Heng Wang , Fanghong Duan , Gang Yan
Abstract: Embodiments of this application provide a next hop determining method. The method is applied to a BIER domain based on bit index forwarding routing, and includes: A third device obtains first BIER information of a first device, an attribute of the first device, second BIER information of a second device, and an attribute of the second device, where the first BIER information includes a bit forwarding router identifier BFR-id of an edge bit forwarding router BFR in a sub-domain, and the second BIER information includes the BFR-id of the edge BFR in the sub-domain. The third device determines, based on the first BIER information, the second BIER information, the attribute of the first device, and the attribute of the second device, a next hop to the edge BFR in the sub-domain.
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公开(公告)号：US20220255847A1
公开(公告)日：2022-08-11
申请号：US17732100
申请日：2022-04-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jingrong Xie , Fanghong Duan , Yisong Liu , Weiwei Wang
IPC: H04L45/12 , H04L45/00 , H04L45/745 , H04L47/125
Abstract: In a packet sending method, a first network device receives a first multicast packet, and determines first information based on the first multicast packet, where the first information indicates an attribute of the first multicast packet. The first network device determines that a state of a first link interface is unavailable, and performs a modulo operation on the first information based on a second parameter, to obtain second indication information, where the second indication information indicates a second link interface through which the first network device forwards the first multicast packet, the second parameter is a quantity of link interfaces whose states are available in a first load balancing group, and the first load balancing group includes the first link interface and the second link interface. The first network device forwards the first multicast packet through the second link interface.
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公开(公告)号：US20220131808A1
公开(公告)日：2022-04-28
申请号：US17646963
申请日：2022-01-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jingrong Xie , Yang Xia , Fanghong Duan , Heng Wang , Biyi Lin
Abstract: A destination node device starts a timer when the destination node device determines that a network topology changes; before the timer expires, the destination node device forwards the BIER packet by using an old forwarding table and establishes a new forwarding table, where the old forwarding table is a forwarding table used by the destination node device before the network topology changes, the new forwarding table is a forwarding table established by the destination node device based on the changed network topology; and after the timer expires, the destination node device switches the old forwarding table to the new forwarding table, and forwards the BIER packet according to the new forwarding table.
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公开(公告)号：US11310080B2
公开(公告)日：2022-04-19
申请号：US16861914
申请日：2020-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Fanghong Duan , Yongsheng Geng
IPC: H04L12/46 , G06F9/455 , H04L12/24 , H04L41/0213 , H04L41/0803 , H04L41/08
Abstract: In a VXLAN configuration method, a first network device obtains configuration information, generates first GRASP information based on the configuration information, and sends the first GRASP information to a second network device, where the configuration information includes VTEP device information, a plurality of pieces of VTEP device information are respectively used to indicate a plurality of VTEPs included in a VXLAN, the first GRASP information includes objective information, and the objective information is used to carry the configuration information. The second network device receives the first GRASP information and establishes a VXLAN tunnel based on the first GRASP information. In this way, automatic VXLAN configuration is implemented.
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