公开(公告)号：US20220294736A1

公开(公告)日：2022-09-15

申请号：US17831070

申请日：2022-06-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Siyu Yan ,  Xiaolong Zheng ,  Weishan Deng ,  Yinben Xia

IPC: H04L47/122 ,  H04L47/127 ,  H04L43/0864 ,  H04L43/0882

Abstract: A congestion control method is provided. The method includes obtaining a first traffic characteristic, where the first traffic characteristic includes statistical information generated when a first device forwards traffic in a first period based on a first congestion control parameter, and the first congestion control parameter is obtained according to a first congestion control rule, obtaining a first reward value based on the first traffic characteristic, modifying the first congestion control parameter by using a first step, to obtain a second congestion control parameter, obtaining a second traffic characteristic, where the second traffic characteristic includes statistical information generated when the first device forwards traffic in a second period based on the second congestion control parameter, obtaining a second reward value based on the second traffic characteristic, and performing corresponding processing if the second reward value is greater than the first reward value.

公开(公告)号：US10592316B2

公开(公告)日：2020-03-17

申请号：US16010041

申请日：2018-06-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Fengkai Li ,  Yinben Xia

IPC: G06F9/54 ,  H04L29/08 ,  H04L12/24 ,  H04L12/927

Abstract: Embodiments of the present application disclose a message processing method, apparatus, and system, which are applied to SDN. An application sends a first message to a controller, and the message includes service content used to describe a service requirement. The service content includes target information and operation information. The application receives a second message sent by the controller. A payload of the second message includes solution information of at least one solution used to implement the service content. The application obtains the solution information of the at least one solution based on the payload of the second message. Therefore, a service requirement is converted into a control requirement between an application plane and a control plane.

公开(公告)号：US20140286342A1

公开(公告)日：2014-09-25

申请号：US14300532

申请日：2014-06-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yinben Xia ,  Fengkai Li

IPC: H04L12/747

CPC classification number: H04L45/742 ,  H04L45/38 ,  H04L45/42 ,  H04L45/64 ,  H04L67/327

Abstract: Embodiments of present invention provide a method for generating an entry, and the method includes: receiving, by a stream forwarding apparatus, a first packet, where the stream forwarding apparatus is an apparatus in a network architecture in which controlling and forwarding are separated; searching, a flow table for a first entry matching the first packet, where a set formed by fields that are in the first entry and match the first packet is a first set; generating, a second entry according to the first entry, where a set formed by fields that are in the second entry and match the first packet is a second set, the first set is a subset of the second set. According to the technical solution in embodiments, the stream forwarding apparatus obtain an exact matching entry without interacting with a control plane apparatus through a control channel.

Abstract translation: 本发明的实施例提供了一种用于生成条目的方法，并且所述方法包括：由流转发装置接收第一分组，其中所述流转发装置是其中分离控制和转发的网络架构中的装置; 搜索与第一分组匹配的第一条目的流表，其中由在第一条目中并与第一分组匹配的字段形成的集合是第一集合; 产生根据第一条目的第二条目，其中由位于第二条目中并与第一条目匹配的字段组成的集合是第二集合，第一集合是第二集合的子集。 根据实施例的技术方案，流转发装置通过控制信道获得精确匹配条目而不与控制平面装置进行交互。

公开(公告)号：US20220278936A1

公开(公告)日：2022-09-01

申请号：US17747281

申请日：2022-05-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yali Zhang ,  Zhaoxia Yuan ,  Mengzhu Liu ,  Yinben Xia

IPC: H04L47/2483 ,  H04L47/52 ,  H04L47/62 ,  H04L45/00

Abstract: The present application disclose a method for implementing congestion control. The method includes: obtaining congestion control information of a first network device, where the congestion control information includes a total bandwidth of a first egress port of the first network device and a quantity of active flows corresponding to a first queue of the first egress port; and determining a sending rate of a first data flow in the active flows based on the congestion control information, where the sending rate is positively related to the total bandwidth and negatively related to the quantity of active flows, and the sending rate is used by a sending device of the first data flow to send the first data flow.

公开(公告)号：US20220210026A1

公开(公告)日：2022-06-30

申请号：US17695271

申请日：2022-03-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Siyu Yan ,  Yinben Xia ,  Xiaolong Zheng ,  Weishan Deng ,  Zhigang Ji ,  Di Qu ,  Fuxing Chen

IPC: H04L41/14 ,  H04L41/0816 ,  H04L41/147 ,  H04L43/062

Abstract: A network parameter configuration method, where in the method, network running data corresponding to a first period is input into a prediction model, so that the prediction model predicts, based on the input network running data, a value of a parameter of a network device in a second period, and the parameter of the network device in the second period is configured to the value predicted by the prediction model.

公开(公告)号：US10938630B2

公开(公告)日：2021-03-02

申请号：US16399689

申请日：2019-04-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xuewei Wang ,  Shixing Liu ,  Yinben Xia ,  Jun Su

IPC: H04L12/24 ,  H04L29/08 ,  H04L29/14

Abstract: Embodiments of the present application relate to the field of communications technologies, and provide a service state transition method and an apparatus, to implement a process of an automatic state transition between different service statuses. The method includes: obtaining a target service status and a current service status of a network service; determining a first transition condition for transiting the network service from the current service status to the target service status, where the first transition condition includes status information of a first dependent object on which execution of the network service depends; and transiting, based on the first transition condition, the first dependent object from a current first service status to a second service status indicated in the status information of the first dependent object, to enable the network service to be automatically transited from the current service status to the target service status.

公开(公告)号：US20200351215A1

公开(公告)日：2020-11-05

申请号：US16913471

申请日：2020-06-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yali Zhang ,  Xiang Qiu ,  Yinben Xia

IPC: H04L12/801 ,  H04L12/851 ,  H04L29/06

Abstract: This application provides a data stream sending method, and the method includes: sending, by a first device, a request packet to a second device; sending, by the first device, a data stream to the second device after the first device sends the request packet and before the first device receives the response packet sent by the second device; and receiving, by the first device, the response packet that is sent by the second device and that is in response to the request packet.

公开(公告)号：US09749215B2

公开(公告)日：2017-08-29

申请号：US14488956

申请日：2014-09-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yinben Xia ,  Wenxia Dong ,  Mingming Zhu

IPC: H04L12/751 ,  H04L12/46 ,  H04L12/715 ,  H04L12/24 ,  H04L12/759

CPC classification number: H04L45/02 ,  H04L12/462 ,  H04L41/0695 ,  H04L41/12 ,  H04L45/028 ,  H04L45/64

Abstract: The present invention provides a method for receiving information, a method for sending information, and apparatuses for the same. The method for receiving information includes: when a control plane apparatus is capable of managing a forwarding plane apparatus, receiving, by the forwarding plane apparatus, information used for packet forwarding path calculation sent by the control plane apparatus, where the forwarding plane apparatus and the control plane apparatus are located in a network with a network architecture featuring forwarding and control element separation. According to the technical solutions provided in embodiments of the present invention, the forwarding plane apparatus does not need to actively obtain the information used for packet forwarding path calculation before calculating a packet forwarding path based on the information used for packet forwarding path calculation.

公开(公告)号：US09491068B2

公开(公告)日：2016-11-08

申请号：US13867572

申请日：2013-04-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chengyong Lin ,  Yinben Xia

IPC: H04L12/26 ,  H04L12/801 ,  H04W28/02

CPC classification number: H04L43/028 ,  H04L43/026 ,  H04L43/0876 ,  H04L47/11 ,  H04W28/0215

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for flow measurement, which are used to reduce management bandwidth of a controller over a forwarding device. The method includes: receiving a data flow sent by a forwarding device, and knowing the type of the data flow by parsing the data flow; if the type of the data flow is a preset type in a measurement flow type set, obtaining a feature identifier carried in the data flow and packet header information of the data flow, and obtain operation information corresponding to the data flow, and adding a measurement operation for the feature identifier to the operation information, where the operation information is used to record various operations of the data flow; and sending, to the forwarding device, the packet header information and the operation information added with the measurement operation for the feature identifier.

Abstract translation: 本发明的实施例提供一种用于流量测量的方法，装置和系统，其用于减少控制器在转发设备上的管理带宽。 该方法包括：接收由转发设备发送的数据流，并通过解析数据流来了解数据流的类型; 如果数据流的类型是测量流类型集合中的预设类型，获取数据流中携带的特征标识符和数据流的分组报头信息，并获得对应于数据流的操作信息，并且添加测量 操作特征标识符到操作信息，其中操作信息用于记录数据流的各种操作; 并向所述转发设备发送添加了所述特征标识符的测量操作的分组报头信息和操作信息。

公开(公告)号：US11855880B2

公开(公告)日：2023-12-26

申请号：US17978378

申请日：2022-11-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Huang ,  Yinben Xia ,  Mengzhu Liu

IPC: H04L45/00 ,  G06N3/08 ,  H04L45/02 ,  H04L45/12 ,  H04L45/74 ,  H04L47/12 ,  H04L47/41

CPC classification number: H04L45/20 ,  G06N3/08 ,  H04L45/025 ,  H04L45/127 ,  H04L45/74 ,  H04L47/12 ,  H04L47/41

Abstract: A data processing method implemented by a controller includes receiving a processing request from a specified node that carries identifiers of a plurality of computing nodes, where the plurality of computing nodes are configured to execute a specified calculation task, determining a target switching device from switching devices that are configured to connect to the plurality of computing nodes, and separately sending, to the target switching device and the specified node, routing information that indicates data forwarding paths between the plurality of computing nodes and the target switching device. The target switching device is configured to combine, based on the routing information, data reported by the plurality of computing nodes, and then send combined data to each computing node. The specified node is configured to send the routing information to each computing node, and each computing node may report data to the target switching device based on the routing information.