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公开(公告)号：US20250062989A1
公开(公告)日：2025-02-20
申请号：US18939009
申请日：2024-11-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haoyu Song
IPC: H04L45/745 , H04L45/02
Abstract: A mechanism operated by a network node in a current network domain is disclosed. The mechanism includes obtaining a packet in an internet protocol (IP) version six (IPv6) format. The packet contains a header comprising a domain identifier (ID) list field and a base IPv6 destination address field. A next domain ID is determined from the domain ID list field. A next domain interface IP address is determined based on the next domain ID. The next domain interface IP address is copied into the base IPv6 destination address field. The packet is forwarded to the next domain interface IP address in the base IPv6 destination address field.
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公开(公告)号：US11888734B2
公开(公告)日：2024-01-30
申请号：US17170318
申请日：2021-02-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： James N. Guichard , Haoyu Song , Loa Andersson
IPC: H04L45/50 , H04L45/745 , H04L69/22
CPC classification number: H04L45/507 , H04L45/745 , H04L69/22
Abstract: A mixed Multiprotocol Label Switching (MPLS) network includes both extension header capable (EH capable) nodes and EH non-capable nodes. A first EH capable node receives advertised capabilities of a downstream node. These advertised capabilities indicate whether the downstream node is EH capable. The first EH capable node receives a packet to be transmitted to the downstream node via the MPLS network, and determines whether the packet includes an extension header (EH). The node inserts an EH label into an MPLS label stack of the packet after determining the advertised capabilities of the downstream node indicate that the downstream node is EH capable, and after determining the packet does not include the EH.
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公开(公告)号：US20230327983A1
公开(公告)日：2023-10-12
申请号：US18334208
申请日：2023-06-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Haoyu Song
CPC classification number: H04L45/34 , H04L45/123 , H04L43/12
Abstract: The present technology discloses generating and transmitting a probing packet for determining in-situ performance in a segment routing (SR) network. A packet is received at a SR network node having an IPv6 packet header, and a probing packet is generated that includes the IPv6 packet header, a segment routing header (SRH) extension header, and a UDP header structure and UDP data payload portion. The UDP payload portion includes an OAM header and a IOAM data structure. The probing packet is then transmitted to a next segment node in the SR network.
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公开(公告)号：US11463905B2
公开(公告)日：2022-10-04
申请号：US17100656
申请日：2020-11-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haoyu Song , Tianran Zhou , Min Liu , Zhenbin Li
Abstract: A mechanism for adaptively performing in-band network telemetry (INT) by a network controller is disclosed. The mechanism includes receiving one or more congestion indicators from a collector. An adjusted sampling rate is generated. The adjusted sampling rate is a specified rate of insertion of instruction headers for INT and is generated based on the congestion indicators. The adjusted sampling rate is transmitted to a head node, which is configured to perform INT via instruction header insertion into user packets.
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公开(公告)号：US20210092061A1
公开(公告)日：2021-03-25
申请号：US17113104
申请日：2020-12-07
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Tianran Zhou , Haoyu Song , Zhenbin Li , Yunan Gu
IPC: H04L12/741 , H04L12/733 , H04L12/717 , H04L12/26
Abstract: A data packet detection method, a device, and a system are disclosed. The method includes: receiving first control information sent by a controller; receiving a first data packet sent by a previous-hop network device of a first network device, where the first data packet includes first detection information, and the first detection information includes a first detection node identifier, a first sequence number, and first collection information; determining, based on the first collection information, first collected data corresponding to the first collection information, and updating the first detection node identifier; and sending, to a next-hop network device of the first network device, the first data packet carrying the updated first detection information. This implements information telemetry on a data packet on a transmission path.
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Patent Agency Ranking
公开(公告)号：US11924681B2
公开(公告)日：2024-03-05
申请号：US17935578
申请日：2022-09-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haoyu Song , Tianran Zhou , Min Liu , Zhenbin Li
CPC classification number: H04W28/0289 , H04L69/22 , H04W28/0231
Abstract: A mechanism for adaptively performing in-band network telemetry (INT) by a network controller is disclosed. The mechanism includes receiving one or more congestion indicators from a collector. An adjusted sampling rate is generated. The adjusted sampling rate is a specified rate of insertion of instruction headers for INT and is generated based on the congestion indicators. The adjusted sampling rate is transmitted to a head node, which is configured to perform INT via instruction header insertion into user packets.
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公开(公告)号：US11716273B2
公开(公告)日：2023-08-01
申请号：US16840125
申请日：2020-04-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Haoyu Song , Michael McBride
Abstract: A per-hop postcard technique is disclosed. The per-hop postcard technique is implemented to improve Postcard-based Telemetry (PBT). A per-section postcard technique is also disclosed. The per-section postcard technique is implemented to improve In-situ OAM (IOAM). By utilizing these techniques, suitable on-path telemetry may be obtained for multicast traffic. In addition, these techniques may be used to reconstruct and visualize a multicast tree, to conduct performance monitoring, and to perform trouble shooting.
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公开(公告)号：US20230083671A1
公开(公告)日：2023-03-16
申请号：US17991247
申请日：2022-11-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yingzhen Qu , Haoyu Song , Michael McBride , James N. Guichard
IPC: H04L61/4511
Abstract: A DNS server comprises: a receiver configured to receive a registration request comprising a domain name, a local address, and a scope, the registration request requests registration of the domain name; a processor coupled to the receiver and configured to execute computer instructions that cause the processor to: assign an address to the domain name based on the local address and the scope, and generate a registration response comprising the address; and a transmitter coupled to the processor and configured to transmit the registration response towards an endpoint. The processor may be further configured to cache a correspondence among the domain name, the address, and the scope.
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公开(公告)号：US20230017175A1
公开(公告)日：2023-01-19
申请号：US17935578
申请日：2022-09-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haoyu Song , Tianran Zhou , Min Liu , Zhenbin Li
Abstract: A mechanism for adaptively performing in-band network telemetry (INT) by a network controller is disclosed. The mechanism includes receiving one or more congestion indicators from a collector. An adjusted sampling rate is generated. The adjusted sampling rate is a specified rate of insertion of instruction headers for INT and is generated based on the congestion indicators. The adjusted sampling rate is transmitted to a head node, which is configured to perform INT via instruction header insertion into user packets.
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公开(公告)号：US20210203599A1
公开(公告)日：2021-07-01
申请号：US17170318
申请日：2021-02-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： James N. Guichard , Haoyu Song , Loa Andersson
IPC: H04L12/723 , H04L29/06 , H04L12/741
Abstract: A mixed Multiprotocol Label Switching (MPLS) network includes both extension header capable (EH capable) nodes and EH non-capable nodes. A first EH capable node receives advertised capabilities of a downstream node. These advertised capabilities indicate whether the downstream node is EH capable. The first EH capable node receives a packet to be transmitted to the downstream node via the MPLS network, and determines whether the packet includes an extension header (EH). The node inserts an EH label into an MPLS label stack of the packet after determining the advertised capabilities of the downstream node indicate that the downstream node is EH capable, and after determining the packet does not include the EH.
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