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    Method and device for monitoring traffic in a network
    3.
    发明授权
    Method and device for monitoring traffic in a network 有权

    公开(公告)号：US10659393B2

    公开(公告)日：2020-05-19

    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 ,  H04L12/26 ,  H04L12/46 ,  H04L12/933 ,  H04L29/06 ,  H04L12/413

    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.

    STREAMING SERVICE SYSTEM, STREAMING SERVICE METHOD AND CONTROLLER THEREOF
    5.
    发明申请
    STREAMING SERVICE SYSTEM, STREAMING SERVICE METHOD AND CONTROLLER THEREOF 审中-公开

    公开(公告)号：US20170187763A1

    公开(公告)日：2017-06-29

    申请号：US14983560

    申请日：2015-12-30

    Applicant: Industrial Technology Research Institute ,  National Chiao Tung University

    Inventor： Ming-Hung Hsu ,  Chien-Chao Tseng ,  Min-Cheng Chan ,  Hsing-Liang Ku ,  Ming-Hao Chou

    IPC: H04L29/06 ,  H04L12/18

    CPC classification number: H04L65/4076 ,  H04L12/185 ,  H04L65/80

    Abstract: The disclosure provides a streaming service system, a streaming service method and a controller thereof The streaming service system includes a plurality of switch nodes, a plurality of surrogate servers, a content management apparatus and a controller. The switch nodes are connected, and the surrogate servers are respectively connected to one of the switch nodes. The controller is connected to the switch nodes and communicates with the content management apparatus. The content management apparatus provides server information of the surrogate servers to the controller. When a first client apparatus is joined to a streaming group, the content management apparatus informs the controller. Further, the controller selects a first surrogate server from the surrogate servers, and sets at least a portion of the switch nodes to adjust a multicast tree. The first surrogate server transmits streaming packets to the first client through a first transmission route of the multicast tree.

    DATA CENTER NETWORK SYSTEM BASED ON SOFTWARE-DEFINED NETWORK AND PACKET FORWARDING METHOD, ADDRESS RESOLUTION METHOD, ROUTING CONTROLLER THEREOF
    6.
    发明申请
    DATA CENTER NETWORK SYSTEM BASED ON SOFTWARE-DEFINED NETWORK AND PACKET FORWARDING METHOD, ADDRESS RESOLUTION METHOD, ROUTING CONTROLLER THEREOF 审中-公开
    基于软件定义网络的数据中心网络系统和分组方法，地址解析方法，路由控制器

    公开(公告)号：US20160337236A1

    公开(公告)日：2016-11-17

    申请号：US14957612

    申请日：2015-12-03

    Applicant: Industrial Technology Research Institute

    Inventor： Ming-Hung Hsu ,  Shi-Wei Lee ,  Kuang-Yi Li ,  Jong-Harn Ywi-Chi

    IPC: H04L12/741 ,  H04L12/721 ,  H04L12/931

    CPC classification number: H04L45/64 ,  H04L29/12028 ,  H04L61/103

    Abstract: A data center network system based on software-defined network (SDN) is provided. The data center network system includes a plurality of physical machines, a plurality of Ethernet switches, a plurality of OpenFlow switches connected to each other, and a central control apparatus. Each of the physical machines includes a virtual switch and at least one virtual machine. The virtual switches modify destination media access control (MAC) addresses of packets to MAC addresses of the OpenFlow switches, such that the Ethernet switches forward the packets received from the virtual switches to the corresponding OpenFlow switches according to the MAC addresses of the OpenFlow switches. The OpenFlow switches modify the destination media access control (MAC) addresses of the packets to MAC addresses of virtual machines, such that the Ethernet switches forward the packet received from the OpenFlow switches to the corresponding virtual switches.

    Abstract translation: 提供了基于软件定义网络（SDN）的数据中心网络系统。 数据中心网络系统包括多个物理机，多个以太网交换机，彼此连接的多个OpenFlow交换机和中央控制设备。 每个物理机器包括虚拟交换机和至少一个虚拟机。 虚拟交换机将报文的目的介质访问控制（MAC）地址修改为OpenFlow交换机的MAC地址，使得以太网根据OpenFlow交换机的MAC地址将从虚拟交换机接收的数据包转发到相应的OpenFlow交换机。 OpenFlow交换机将报文的目的介质访问控制（MAC）地址修改为虚拟机的MAC地址，以使以太网将从OpenFlow交换机接收到的数据包转发到相应的虚拟交换机。

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