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    Method for generating forwarding information, controller, and service forwarding entity
    11.
    发明授权
    Method for generating forwarding information, controller, and service forwarding entity 有权

    公开(公告)号：US10135636B2

    公开(公告)日：2018-11-20

    申请号：US15274144

    申请日：2016-09-23

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Yuanlong Jiang ,  Lehong Niu ,  Hengjun Zhu

    IPC: H04L12/64 ,  H04L12/24 ,  H04L12/707 ,  H04L12/741 ,  H04L29/12 ,  H04L29/08

    Abstract: The present application discloses a method for generating forwarding information. The method includes: determining, by a controller, a first SFE and a second SFE that are used to forward a service stream, where the first SFE and the second SFE are on a service function chain corresponding to the service stream; generating, by the controller, first forwarding information for the first SFE and generating second forwarding information for the second SFE; and sending, by the controller, the first forwarding information to the first SFE and sending the second forwarding information to the second SFE. According to the method for generating forwarding information, the controller generates forwarding information for the SFE, so that a service chaining technology can be applied to a service environment in which a large quantity of services and a large quantity of service processing function units exist.

    Service forwarding method and network device
    13.
    发明授权
    Service forwarding method and network device 有权

    公开(公告)号：US11140085B2

    公开(公告)日：2021-10-05

    申请号：US16597401

    申请日：2019-10-09

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Yuanlong Jiang ,  Hengjun Zhu ,  Hongguang Guan

    IPC: H04L12/815 ,  H04L12/851 ,  H04L12/841 ,  H04L12/805

    Abstract: This application relates to the field of communications technologies, and discloses a service forwarding method and a network device that performs such method. The method includes: forwarding, by a first network device, a data packet of a first service to a second network device in a period (T1); and if the data volume of the forwarded first service reaches a threshold, forwarding, by the first network device, a data packet of a second service to the second network device. The first service is a low-latency service, and the second service is a non-low-latency service. In addition, the period (T1) is determined based on a delay allowed by a device for forwarding the data packet of the first service, and the threshold is a value determined based on a maximum transmission rate of the first service.

    Method and Network Node for Obtaining Target Transmission Path
    14.
    发明申请
    Method and Network Node for Obtaining Target Transmission Path 有权

    公开(公告)号：US20210194789A1

    公开(公告)日：2021-06-24

    申请号：US17191041

    申请日：2021-03-03

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Yuanlong Jiang ,  Hengjun Zhu ,  Min Zha

    IPC: H04L12/751 ,  H04L12/721 ,  H04L12/26 ,  H04L12/727

    Abstract: A method and network node for obtaining a target transmission path, where the method includes obtaining, by a first network node in a network domain, topology information of a plurality of network nodes on each path between an ingress node and an egress node that are in the network domain, obtaining, by the first network node, a transmission delay of each path according to the topology information, where the transmission delay of each path includes a sum of physical link delays between all network nodes on each path and node residence times of all the network nodes on each path, and determining, by the first network node, the target transmission path according to the transmission delay of each path.

    Service packet processing method, apparatus, and system
    15.
    发明授权
    Service packet processing method, apparatus, and system 有权

    公开(公告)号：US10263901B2

    公开(公告)日：2019-04-16

    申请号：US14832835

    申请日：2015-08-21

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Yong Huang ,  Hengjun Zhu ,  Lehong Niu ,  Jinchun Xu ,  Xuhui Bai

    IPC: H04L12/851 ,  H04L12/741 ,  H04L12/24 ,  H04L12/721 ,  H04L12/717

    Abstract: The present invention discloses a service packet processing method, apparatus, and system. The method includes a first service atom receiving a second packet sent by a central switching device, where a first service packet is encapsulated in the second packet and the second packet further includes a first service path identifier. The first service atom performs first service processing according to information in the first service packet, to obtain a first processing result. The first service atom queries a first path switching entry according to the first processing result and the first service path identifier. The first service atom sends a third packet to the central switching device, where a source device identifier of the third packet is a device identifier of the first service atom, a second service packet is encapsulated in the third packet, and the third packet includes the second service path identifier.

    Service Packet Processing Method, Apparatus, and System
    16.
    发明申请
    Service Packet Processing Method, Apparatus, and System 审中-公开

    公开(公告)号：US20180219785A1

    公开(公告)日：2018-08-02

    申请号：US15935990

    申请日：2018-03-26

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Yong Huang ,  Hengjun Zhu ,  Lehong Niu ,  Jinchun Xu ,  Xuhui Bai

    IPC: H04L12/851 ,  H04L12/24 ,  H04L12/741 ,  H04L12/721 ,  H04L12/717

    Abstract: An embodiment method includes: a first service atom receives a second packet sent by a central switching device, where a first service packet is encapsulated in the second packet and the second packet further includes a first service path identifier. The first service atom performs first service processing according to information in the first service packet, to obtain a first processing result. The first service atom queries a first path switching entry according to the first processing result and the first service path identifier. The first service atom sends a third packet to the central switching device, where a source device identifier of the third packet is a device identifier of the first service atom, a second service packet is encapsulated in the third packet, and the third packet includes the second service path identifier.

    Service forwarding method and network device
    18.
    发明授权
    Service forwarding method and network device 有权

    公开(公告)号：US11777857B2

    公开(公告)日：2023-10-03

    申请号：US17475531

    申请日：2021-09-15

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Yuanlong Jiang ,  Hengjun Zhu ,  Hongguang Guan

    IPC: H04L47/22 ,  H04L47/2408 ,  H04L47/28 ,  H04L47/36

    CPC classification number: H04L47/22 ,  H04L47/2408 ,  H04L47/28 ,  H04L47/36

    Abstract: This application relates to the field of communications technologies, and discloses a service forwarding method and a network device that performs such method. The method includes: forwarding, by a first network device, a data packet of a first service to a second network device in a period (T1); and if the data volume of the forwarded first service reaches a threshold, forwarding, by the first network device, a data packet of a second service to the second network device. The first service is a low-latency service, and the second service is a non-low-latency service. In addition, the period (T1) is determined based on a delay allowed by a device for forwarding the data packet of the first service, and the threshold is a value determined based on a maximum transmission rate of the first service.

    Method for Generating Forwarding Information, Controller, and Service Forwarding Entity
    19.
    发明申请
    Method for Generating Forwarding Information, Controller, and Service Forwarding Entity 有权

    公开(公告)号：US20210105153A1

    公开(公告)日：2021-04-08

    申请号：US17104956

    申请日：2020-11-25

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Yuanlong Jiang ,  Lehong Niu ,  Hengjun Zhu

    IPC: H04L12/64 ,  H04L12/707 ,  H04L12/24

    Abstract: A method for generating forwarding information includes generating, by a controller, first forwarding information, wherein the first forwarding information comprises an identifier of a service chain comprising a first service processing entity (SPE) attached to a first service forwarding entity (SFE); generating, by the controller, second forwarding information, wherein the second forwarding information comprises the identifier of the service chain comprising a second SPE attached to a second SFE; sending, by the controller, the first forwarding information to the first SFE; and sending, by the controller, the second forwarding information to the second SFE. Hence, the controller generates forwarding information for the SFE such that a service chaining technology can be applied to a service environment in which a large quantity of services and a large quantity of service processing function units exist.

    Method and network node for obtaining target transmission path
    20.
    发明授权
    Method and network node for obtaining target transmission path 有权

    公开(公告)号：US10965581B2

    公开(公告)日：2021-03-30

    申请号：US15982489

    申请日：2018-05-17

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Yuanlong Jiang ,  Hengjun Zhu ,  Min Zha

    IPC: H04L12/751 ,  H04L12/721 ,  H04L12/26 ,  H04L12/727

    Abstract: A method and network node for obtaining a target transmission path, where the method includes obtaining, by a first network node in a network domain, topology information of a plurality of network nodes on each path between an ingress node and an egress node that are in the network domain, obtaining, by the first network node, a transmission delay of each path according to the topology information, where the transmission delay of each path includes a sum of physical link delays between all network nodes on each path and node residence times of all the network nodes on each path, and determining, by the first network node, the target transmission path according to the transmission delay of each path.

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