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    SDN-based network device with extended function and method of processing packet in the same device
    1.
    发明授权
    SDN-based network device with extended function and method of processing packet in the same device 有权
    具有扩展功能的基于SDN的网络设备和在同一设备中处理分组的方法

    公开(公告)号：US09577924B2

    公开(公告)日：2017-02-21

    申请号：US14536831

    申请日：2014-11-10

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Nam-Seok Ko ,  Sung-Kee Noh ,  Jong-Dae Park ,  Hwan-Jo Heo

    IPC: H04L12/28 ,  H04L12/721 ,  H04L12/741 ,  H04L12/715 ,  H04L12/743

    CPC classification number: H04L45/38 ,  H04L45/64 ,  H04L45/745 ,  H04L45/7453

    Abstract: Extension of a function of an Software defined networking (SDN) network device is provided. The network device includes a plurality of flow tables, a plurality of function modules configured to perform different processing on a packet, and an entry module configured to determine an operation to be performed first on the packet between a table search operation and a function module execution operation, in which as a result of the operation determined by the entry module, a table search operation or a function module execution operation to be performed next is designated, and the designation is repeated until an output instruction for the packet is given.

    Abstract translation: 提供了软件定义网络（SDN）网络设备功能的扩展。 网络设备包括多个流表，多个功能模块，被配置为对分组执行不同的处理;以及输入模块，被配置为确定在表搜索操作和功能模块执行之间首先在分组上执行的操作 操作，其中作为由入口模块确定的操作的结果，指定将要执行的表搜索操作或功能模块执行操作，并且重复该指定，直到给出分组的输出指令。

    Flow inheritance
    3.
    发明授权
    Flow inheritance 有权

    公开(公告)号：US09912581B2

    公开(公告)日：2018-03-06

    申请号：US14813648

    申请日：2015-07-30

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Hwan-Jo Heo ,  Nam-Seok Ko

    IPC: H04L12/721 ,  H04L12/755 ,  H04L12/715 ,  H04L12/741

    CPC classification number: H04L45/38 ,  H04L45/021 ,  H04L45/54 ,  H04L45/64

    Abstract: The present invention relates to a network device that supports software defined networking (SDN) and a packet processing method in the network device. The network device in accordance with the present invention includes: a flow table configured to store a processing action for each flow; and a packet processing module configured to search the flow table for a flow entry matched with a packet being received to determine a list of processing actions for the packet. Here, the packet processing module is configured to use inheritance relationship information between flows defined in the flow table to generate an action list that includes one or more actions for the packet in order to determine the processing actions for the packet.

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