公开(公告)号：US20190190851A1

公开(公告)日：2019-06-20

申请号：US16211177

申请日：2018-12-05

Applicant: Industrial Technology Research Institute

Inventor： Ming-Hung HSU ,  Tzi-Cker CHIUEH ,  Yu-Wei LEE ,  Yi-An CHEN

IPC: H04L12/947 ,  H04L12/24 ,  H04L29/06 ,  H04L12/46 ,  H04L12/933 ,  H04L12/26

CPC classification number: H04L49/25 ,  H04L12/4641 ,  H04L41/0213 ,  H04L43/028 ,  H04L49/15 ,  H04L69/22

Abstract: A method for monitoring traffic in a network is provided. The method is used in a communication device, wherein the network is formed by switches and hosts. The method includes: collecting LLDP information, VLAN information, host NIC information and host-tenant mapping information to obtain a physical network topology and a plurality of virtual network topologies; detecting a plurality of physical link loads of the physical network topology; obtaining a target path between two of the hosts or between the switches by analyzing the virtual network topologies; selecting one of the switches on the target path to serve as a mirror switch according to the physical link load corresponding to the target path or a hop count; and receiving mirror traffic transmitted from the mirror switch, and performing packet payload analysis on the mirror traffic.

公开(公告)号：US20180145891A1

公开(公告)日：2018-05-24

申请号：US15385733

申请日：2016-12-20

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Wei-Cheng WANG ,  Ming-Hung HSU ,  Chien-Chao TSENG

IPC: H04L12/26 ,  H04L29/06 ,  H04L12/851

CPC classification number: H04L43/024 ,  H04L43/026 ,  H04L43/0888 ,  H04L43/14 ,  H04L47/2441 ,  H04L69/22

Abstract: A network traffic monitoring method includes: collecting sampled packet data of a switch wherein the sampled packet data relates to a plurality of types of packets, selecting a first type of packets from the plurality of types of packets, controlling the switch to collect traffic data of the first type of packets, and estimating a traffic volume of each of the plurality of types of packets according to the traffic data and the sampled packet data.

公开(公告)号：US20230071976A1

公开(公告)日：2023-03-09

申请号：US17540537

申请日：2021-12-02

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Yu-Wei LEE ,  Ming-Hung HSU ,  Chih-Kuan YEN

IPC: H04L43/091 ,  H04L43/0876 ,  H04L43/0817 ,  H04L41/50 ,  G06F9/50

Abstract: A virtual function performance analysis system and an analysis method thereof are disclosed. The virtual function performance analysis method includes: monitoring performance of at least one virtual function of a virtual network function application on a virtual platform having at least one physical resource and at least one virtual resource; monitoring and recording an actual value of each of performance indicators of each of physical resources, each of virtual resources and each of virtual functions; comparing the actual value of each of performance indicators with the associated expected value and/or threshold value to obtain a comparison result; and analyzing system performance according to the comparison result.