公开(公告)号：US20210006484A1

公开(公告)日：2021-01-07

申请号：US17025805

申请日：2020-09-18

Applicant: Huawei Technologies Co., Ltd. ,  Tsinghua University

Inventor： Hangyu FAN ,  Yong LI ,  Shoushuo FANG ,  Jie HOU ,  Chengyong LIN ,  Chengcheng HE ,  Wenxia DONG

IPC: H04L12/26

Abstract: This application discloses a fault detection method, where the method is applied to a distributed node cluster, the node cluster includes a plurality of nodes, the method is performed by any one of the plurality of nodes, the any one node is a first node, and the method includes: determining, by the first node, whether a trigger condition for health assessment is met; and when the trigger condition for health assessment is met, separately assessing, by the first node, health of other nodes in the node cluster based on heartbeat delay data between the first node and the other nodes in the node cluster, and obtaining assessment results of the health of the other nodes in the node cluster.

公开(公告)号：US20220029879A1

公开(公告)日：2022-01-27

申请号：US17493416

申请日：2021-10-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wenxia DONG ,  Enhui LIU ,  Chengyong LIN ,  Fengkai LI ,  Wanfu DING

IPC: H04L12/24 ,  H04L29/08

Abstract: This application provides a method and an apparatus for configuring a service, which help to implement automatic configuration of a service and improve efficiency. The method provided in this application includes: obtaining, by an NaaS device, a contract of a service, where the contract includes identifier information and a condition, the identifier information is used to identify a first device group, the first device group includes a device that provides the service, and the condition is a communication requirement corresponding to the service; obtaining, by the NaaS device, information about a network device group according to the identifier information and the condition; obtaining, by the NaaS device, a first forwarding rule according to the condition, where the first forwarding rule corresponds to the network device group; and sending, by the NaaS device, the first forwarding rule and the information about the network device group to a controller.

公开(公告)号：US20130294249A1

公开(公告)日：2013-11-07

申请号：US13867572

申请日：2013-04-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chengyong LIN ,  Yinben XIA

IPC: H04L12/26

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：US20160142293A1

公开(公告)日：2016-05-19

申请号：US15006409

申请日：2016-01-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shihui HU ,  Enhui LIU ,  Delei YU ,  Chengyong LIN

IPC: H04L12/721 ,  H04L12/741

CPC classification number: H04L45/38 ,  H04L45/745

Abstract: The application provide a packet sending method, a router, and a service switching entity. According to the application, a router determines a flow group identifier of a service packet and information about a next-hop service switching entity according to a user identifier and IP 5-tuple information; and forwards the packet to the next-hop service switching entity according to the information about the next-hop service switching entity, so that the next-hop service switching entity determines a corresponding destination service instance according to the user identifier, the flow group identifier, a router identifier, and a processing result, and forwards the packet to the destination service instance, to perform corresponding service processing, thereby implementing service packet forwarding among service instances. The router in the method provided in the embodiments has a flow steering function, and steers a flow to a specified path to perform node-by-node processing.

Abstract translation: 该应用程序提供一个分组发送方法，一个路由器和一个业务交换实体。 根据该应用，路由器根据用户标识符和IP 5元组信息，确定业务分组的流组标识和关于下一跳业务交换实体的信息; 根据下一跳业务交换实体的信息将报文转发给下一跳业务交换实体，下一跳业务交换实体根据用户标识符确定对应的目的业务实例，流组标识符 ，路由器标识符和处理结果，并将分组转发到目的服务实例，以执行相应的服务处理，从而实现服务实例之间的服务分组转发。 在实施例中提供的方法中的路由器具有流动导向功能，并且将流引导到指定路径以执行逐个节点处理。

公开(公告)号：US20140006637A1

公开(公告)日：2014-01-02

申请号：US14016802

申请日：2013-09-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chengyong LIN ,  Enhui LIU

IPC: H04L12/815

CPC classification number: H04L47/22 ,  H04L45/66 ,  H04L47/215 ,  H04L47/32

Abstract: A method for forwarding message, comprising: receiving, by a forwarding plane device, a first message, and looking up a first entry matched with the first message in a flow table of the forwarding plane device, wherein the forwarding plane device is a device compliant with a network architecture in which control and forwarding are separated; performing, by the forwarding plane device, a first operation on the first message for limiting its message forwarding rate according to the first entry. Further, a corresponding device is also provided in an embodiment of this disclosure. With the technical solutions provided in embodiments of this disclosure, the forwarding plane device can put limits on its message forwarding rate.

Abstract translation: 一种用于转发消息的方法，包括：由转发平面设备在所述转发平面设备的流表中接收第一消息并查找与所述第一消息匹配的第一条目，其中所述转发平面设备是兼容的设备 具有分离控制和转发的网络架构; 由所述转发平面设备对所述第一消息执行根据所述第一条目限制其消息转发速率的第一操作。 此外，在本公开的实施例中还提供了相应的装置。 通过本公开实施例提供的技术方案，转发平面设备可以限制其消息转发速率。

公开(公告)号：US20160087905A1

公开(公告)日：2016-03-24

申请号：US14949575

申请日：2015-11-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Enhui LIU ,  Xinping WANG ,  Chengyong LIN

IPC: H04L12/853 ,  H04L12/855 ,  H04L12/859 ,  H04L12/851

CPC classification number: H04L47/2416 ,  H04L45/42 ,  H04L47/20 ,  H04L47/2466 ,  H04L47/2475 ,  H04L47/2483 ,  H04L67/32

Abstract: The present application discloses a flow forwarding method, device, and system. The method includes: receiving, by an edge node, an intelligent routing service request packet, and the packet includes a constraint condition required for establishing the intelligent routing service; if the edge node does not find, in a flow table, a corresponding matching flow table entry of characteristic information, sending, by the edge node, a first message to a controller, where the first message includes identification information of the edge node and the characteristic information and the edge node is an ingress edge-node or an egress edge-node that receives the packet; receiving, a first flow table entry sent by the controller, where the first flow table entry is generated according to the first message and meets the constraint condition; and processing, according to the first flow table entry, a packet sent by the user side device.

Abstract translation: 本申请公开了一种流转发方法，设备和系统。 该方法包括：由边缘节点接收智能路由服务请求分组，该分组包括建立智能路由服务所需的约束条件; 如果边缘节点没有在流表中找到特征信息的对应的匹配流表项，则由边缘节点向控制器发送第一消息，其中第一消息包括边缘节点的标识信息和 特征信息，边缘节点是接收分组的入口边缘节点或出口边缘节点; 接收由控制器发送的第一流表条目，其中根据第一消息生成第一流表条目并满足约束条件; 并且根据第一流表条目处理由用户侧设备发送的分组。

公开(公告)号：US20140119189A1

公开(公告)日：2014-05-01

申请号：US14147185

申请日：2014-01-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chengyong LIN

IPC: H04L12/801 ,  H04L12/741 ,  H04L12/721

CPC classification number: H04L12/4633 ,  H04L45/66 ,  H04L45/74 ,  H04L47/10 ,  H04L47/12

Abstract: The embodiments of the present invention disclose a method for processing a packet and a related device. One implementation consists of a method for processing a packet that comprises receiving, by a first network device, a forwarded packet, performing a flow table matching for the forwarded packet, and if unmatched, encapsulating the forwarded packet with an inner encapsulation and an outer encapsulation, and transmitting the forwarded packet to a second network device. The method further comprises receiving a flow table packet returned by the second network device, wherein the flow table packet carries flow table information of the forwarded packet and is encapsulated with a special layer 2 frame header, and processing the flow table packet according to an operation indicated by an Ethernet type value in the special layer 2 frame header.

Abstract translation: 本发明的实施例公开了一种用于处理分组和相关设备的方法。 一个实现包括处理分组的方法，包括由第一网络设备接收转发的分组，执行与转发的分组匹配的流表，以及如果不匹配，则将转发的分组封装在内部封装和外部封装 ，并将转发的分组发送到第二网络设备。 该方法还包括接收由第二网络设备返回的流表分组，其中流表分组携带转发分组的流表信息，并用特殊的2层报头封装，并根据操作对流表分组进行处理 由特殊层2帧头中的以太网类型值指示。

公开(公告)号：US20210058286A1

公开(公告)日：2021-02-25

申请号：US17094536

申请日：2020-11-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wenxia DONG ,  Enhui LIU ,  Chengyong LIN ,  Fengkai LI ,  Wanfu DING

IPC: H04L12/24 ,  H04L29/08

Abstract: This application provides a method and an apparatus for configuring a service, which help to implement automatic configuration of a service and improve efficiency. The method provided in this application includes: obtaining, by an NaaS device, a contract of a service, where the contract includes identifier information and a condition, the identifier information is used to identify a first device group, the first device group includes a device that provides the service, and the condition is a communication requirement corresponding to the service; obtaining, by the NaaS device, information about a network device group according to the identifier information and the condition; obtaining, by the NaaS device, a first forwarding rule according to the condition, where the first forwarding rule corresponds to the network device group; and sending, by the NaaS device, the first forwarding rule and the information about the network device group to a controller.

公开(公告)号：US20190140941A1

公开(公告)日：2019-05-09

申请号：US16183080

申请日：2018-11-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shihui HU ,  Enhui LIU ,  Delei YU ,  Chengyong LIN

IPC: H04L12/721 ,  H04L12/741

Abstract: The application provide a packet sending method, a router, and a service switching entity. According to the application, a router determines a flow group identifier of a service packet and information about a next-hop service switching entity according to a user identifier and IP 5-tuple information; and forwards the packet to the next-hop service switching entity according to the information about the next-hop service switching entity, so that the next-hop service switching entity determines a corresponding destination service instance according to the user identifier, the flow group identifier, a router identifier, and a processing result, and forwards the packet to the destination service instance, to perform corresponding service processing, thereby implementing service packet forwarding among service instances. The router in the method provided in the embodiments has a flow steering function, and steers a flow to a specified path to perform node-by-node processing.

公开(公告)号：US20170180195A1

公开(公告)日：2017-06-22

申请号：US15449603

申请日：2017-03-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wenxia DONG ,  Enhui LIU ,  Chengyong LIN ,  Fengkai LI ,  Wanfu DING

IPC: H04L12/24

CPC classification number: H04L41/08 ,  H04L29/08 ,  H04L41/00 ,  H04L41/0893 ,  H04L41/20 ,  H04L41/5019 ,  H04L41/5054

Abstract: This application provides a method and an apparatus for configuring a service, which help to implement automatic configuration of a service and improve efficiency. The method provided in this application includes: obtaining, by an NaaS device, a contract of a service, where the contract includes identifier information and a condition, the identifier information is used to identify a first device group, the first device group includes a device that provides the service, and the condition is a communication requirement corresponding to the service; obtaining, by the NaaS device, information about a network device group according to the identifier information and the condition; obtaining, by the NaaS device, a first forwarding rule according to the condition, where the first forwarding rule corresponds to the network device group; and sending, by the NaaS device, the first forwarding rule and the information about the network device group to a controller.