公开(公告)号：US09923794B2

公开(公告)日：2018-03-20

申请号：US14798811

申请日：2015-07-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Cheng He ,  Qun Huang ,  Pak-Ching Lee

IPC: G06F15/173 ,  H04L12/26 ,  H04L29/06

CPC classification number: H04L43/0882 ,  H04L43/026 ,  H04L43/0888 ,  H04L43/0894 ,  H04L63/1441

Abstract: A method, an apparatus, and a system for identifying an abnormal IP data stream, which are used to improve identification accuracy. The method provided by the embodiments of the present invention includes: receiving Y elements sent by a data collection node; mapping the Y elements to N buckets; acquiring a bucket in the N buckets as a target bucket; acquiring r upper traffic limits of a first object in r buckets within the current time interval, the first object is any object mapped to the target bucket; and identifying, according to a preset abnormal object type and the r upper traffic limits within the current time interval, whether the first object is an abnormal object, where the preset abnormal object type is a heavy hitter or a heavy changer.

公开(公告)号：US20170366197A1

公开(公告)日：2017-12-21

申请号：US15697066

申请日：2017-09-06

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Zhenguo Li ,  Ge Luo ,  Ke Yi ,  Wei Fan ,  Cheng He

IPC: H03M7/30

CPC classification number: H03M7/30 ,  H03M7/3064

Abstract: A method for compressing flow data, including: generating multiple line segments according to flow data and a predefined maximum error that are acquired; obtaining a target piecewise linear function according to the multiple line segments, where the target piecewise linear function includes multiple linear functions, and an intersection set of value ranges of independent variables of every two linear functions among the multiple linear functions includes a maximum of one value; and outputting a reference data point according to the target piecewise linear function, where the reference data point includes a point of continuity and a point of discontinuity of the target piecewise linear function. In this way, a maximum error, a target piecewise linear function is further determined according to the multiple line segments, and a point of continuity and a point of discontinuity of the target piecewise linear function are used to represent compressed flow data.

公开(公告)号：US08775343B2

公开(公告)日：2014-07-08

申请号：US14063715

申请日：2013-10-25

Applicant: Huawei Technologies Co., Ltd

Inventor： Andrey Osin ,  Xiuqiang He ,  Lujia Pan ,  Cheng He

IPC: G06F15/18 ,  G06N3/02 ,  H04L12/24

CPC classification number: G06N3/02 ,  G06N3/08 ,  H04L41/142 ,  H04L41/145 ,  H04L41/147 ,  H04L41/16 ,  H04L43/026 ,  H04L43/028

Abstract: Embodiments of the present invention provide a method and device for synthesis of network traffic. The method includes extracting a first real traffic composition parameter sequence and a second real traffic composition parameter sequence from real traffic. A first synthetic traffic composition parameter sequence is generated. Relational coefficients between first traffic composition parameters and second traffic composition parameters are obtained. A second synthetic traffic composition parameter sequence is generated and synthetic traffic is generated according to the first synthetic traffic composition parameter sequence and the second synthetic traffic composition parameter sequence.

Abstract translation: 本发明的实施例提供了一种用于合成网络业务的方法和装置。 该方法包括从真实业务中提取第一真实业务组合参数序列和第二实际业务组合参数序列。 生成第一个合成交通组合参数序列。 获得第一交通组合参数与第二交通组合参数之间的关系系数。 生成第二合成业务组合参数序列，并根据第一合成业务组合参数序列和第二合成业务组合参数序列生成合成业务。

公开(公告)号：US20130338990A1

公开(公告)日：2013-12-19

申请号：US13953486

申请日：2013-07-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Cheng He ,  Lujia Pan

IPC: G06F17/50 ,  H04L12/24

CPC classification number: G06F17/509 ,  G06F11/3447 ,  G06F11/3457 ,  H04L41/145 ,  H04L43/08 ,  H04L63/1408

Abstract: Embodiments of the present invention provide a method and an apparatus for network traffic simulation. The method includes: obtaining traffic information and user requirement information of a to-be-simulated IP network; analyzing the traffic information to generate a traffic characteristic; according to correspondence between user requirement information and traffic models, obtaining a traffic model corresponding to the user requirement information; and generating, through simulation, traffic of the to-be-simulated IP network according to the traffic characteristic and the traffic model. The embodiments of the present invention can improve flexibility and an emulation degree of traffic simulation.

Abstract translation: 本发明的实施例提供一种用于网络业务模拟的方法和装置。 该方法包括：获取待仿真IP网络的流量信息和用户需求信息; 分析交通信息以产生交通特征; 根据用户需求信息与流量模型的对应关系，获取与用户需求信息对应的流量模型; 并根据流量特征和流量模型，通过仿真生成待仿真IP网络的流量。 本发明的实施例可以提高流量仿真的灵活性和仿真度。