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    Network system and network redundancy method
    2.
    发明授权
    Network system and network redundancy method 有权
    网络系统和网络冗余方法

    公开(公告)号：US09124517B2

    公开(公告)日：2015-09-01

    申请号：US13520776

    申请日：2011-01-04

    申请人： Minaxay Philavong ,  Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa ,  Shihomi Sato

    发明人： Minaxay Philavong ,  Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa ,  Shihomi Sato

    IPC分类号： H04L12/44 ,  H04L12/947 ,  H04L12/721 ,  H04L12/24 ,  H04L12/707

    CPC分类号： H04L49/25 ,  H04L41/0668 ,  H04L45/22 ,  H04L45/38 ,  H04L45/66

    摘要： In a network system in which a switch forwarding packets and a control server determining route information are separated, it is desired to achieve a redundancy of the control channel by an out-of-band control channel and an in-band control channel, when the switch receives a control message regarding the flow entry registration and the like based on the route information from the control server. Specifically, the separated switch and control server are connected by a control channel for sending and receiving the control message. The switch is not only connected to a control server via an out-of-band control channel by a route dedicated to the control message, but also connected to another control server via an in-band control channel by a route which is common with a normal data communication for determining the route information, to achieve a redundancy of the control channel.

    摘要翻译： 在将转发分组的交换机转发分组和确定路由信息的控制服务器分离的网络系统中，期望通过带外控制信道和带内控制信道来实现控制信道的冗余，当 交换机基于来自控制服务器的路由信息​​接收关于流入口登记等的控制消息。 具体地，分离的开关和控制服务器通过用于发送和接收控制消息的控制信道连接。 交换机不仅通过带外控制信道通过专用于控制消息的路由连接到控制服务器，而且还经由带内控制信道通过与 用于确定路由信息的正常数据通信，以实现控制信道的冗余。

    Communication flow control system, communication flow control method, and communication flow processing program
    3.
    发明授权
    Communication flow control system, communication flow control method, and communication flow processing program 有权

    公开(公告)号：US09635119B2

    公开(公告)日：2017-04-25

    申请号：US13137750

    申请日：2011-09-09

    申请人： Tetsu Izawa

    发明人： Tetsu Izawa

    IPC分类号： G06F15/16 ,  H04L29/08 ,  H04L12/851 ,  H04L29/06 ,  H04L12/26

    CPC分类号： H04L47/2483 ,  H04L45/24 ,  H04L47/20 ,  H04L67/2819 ,  H04L69/22

    摘要： When a processing method determination means is not able to determine a processing method for a communication flow of packets, flow identification information transmission means transmits information within the packets equivalent to a portion or all of first flow identification information for identifying the communication flow to a processing determination unit. Control action determination means determines a control action on the basis of information received from a communication flow processing unit and second flow identification information stored in control action storage means. Control instruction means instructs the communication flow processing unit to control the communication flow on the basis of the control action. Processing method registration means registers a processing method for the communication flow with process method storage means on the basis of control instructions from a control unit.

    COMMUNICATION CONTROL SYSTEM, SWITCHING NODE, COMMUNICATION CONTROL METHOD AND COMMUNICATION CONTROL PROGRAM
    4.
    发明申请
    COMMUNICATION CONTROL SYSTEM, SWITCHING NODE, COMMUNICATION CONTROL METHOD AND COMMUNICATION CONTROL PROGRAM 有权
    通信控制系统，切换节点，通信控制方法和通信控制程序

    公开(公告)号：US20130086295A1

    公开(公告)日：2013-04-04

    申请号：US13580620

    申请日：2011-02-18

    申请人： Youichi Hidaka ,  Masashi Hayashi ,  Shihomi Sato ,  Tsugio Okamoto ,  Takashi Yokota ,  Masanori Takashima ,  Koichi Tsuchiya ,  Minaxay Phila Vongh ,  Tetsu Izawa

    发明人： Youichi Hidaka ,  Masashi Hayashi ,  Shihomi Sato ,  Tsugio Okamoto ,  Takashi Yokota ,  Masanori Takashima ,  Koichi Tsuchiya ,  Minaxay Phila Vongh ,  Tetsu Izawa

    IPC分类号： G06F13/40

    CPC分类号： G06F13/4022 ,  H04L41/00 ,  H04L49/35

    摘要： In a switching node, high-speed and advanced service protocol processing function is achieved by utilizing an external control server without affecting performance of conventional service protocol processing. Specifically, a forwarding engine has PCI express and an LAN interface. Depending on a type of an input packet, destination of the packet is switched to the PCI express side for conventional network service and to the LAN interface side for extended network service that cooperates with the external control server. A CPU having the PCI express and the LAN interface is provided ahead of the LAN interface. The CPU performs communication of service inquiry with the external control server at high speed via the LAN interface. After response from the control server is obtained, setting of the forwarding engine is performed through the PCI express.

    摘要翻译： 在交换节点中，通过利用外部控制服务器，不影响传统业务协议处理的性能，实现了高速，高级的业务协议处理功能。 具体来说，转发引擎具有PCI Express和LAN接口。 根据输入分组的类型，分组的目的地被切换到用于常规网络服务的PCI Express侧和用于与外部控制服务器协作的扩展网络服务的LAN接口侧。 具有PCI Express和LAN接口的CPU在LAN接口之前提供。 CPU通过LAN接口与外部控制服务器高速进行业务查询通信。 获得控制服务器的响应后，通过PCI express进行转发引擎的设置。

    NETWORK SYSTEM AND NETWORK REDUNDANCY METHOD
    5.
    发明申请
    NETWORK SYSTEM AND NETWORK REDUNDANCY METHOD 有权
    网络系统和网络冗余方法

    公开(公告)号：US20130077481A1

    公开(公告)日：2013-03-28

    申请号：US13520776

    申请日：2011-01-04

    申请人： Minaxay Philavong ,  Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa

    发明人： Minaxay Philavong ,  Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa

    IPC分类号： H04L12/56

    CPC分类号： H04L49/25 ,  H04L41/0668 ,  H04L45/22 ,  H04L45/38 ,  H04L45/66

    摘要： In a network system in which a switch forwarding packets and a control server determining route information are separated, it is desired to achieve a redundancy of the control channel by an out-of-band control channel and an in-band control channel, when the switch receives a control message regarding the flow entry registration and the like based on the route information from the control server. Specifically, the separated switch and control server are connected by a control channel for sending and receiving the control message. The switch is not only connected to a control server via an out-of-band control channel by a route dedicated to the control message, but also connected to another control server via an in-band control channel by a route which is common with a normal data communication for determining the route information, to achieve a redundancy of the control channel.

    摘要翻译： 在将转发分组的交换机转发分组和确定路由信息的控制服务器分离的网络系统中，期望通过带外控制信道和带内控制信道来实现控制信道的冗余，当 交换机基于来自控制服务器的路由信息​​接收关于流入口登记等的控制消息。 具体地，分离的开关和控制服务器通过用于发送和接收控制消息的控制信道连接。 交换机不仅通过带外控制信道通过专用于控制消息的路由连接到控制服务器，而且还经由带内控制信道通过与 用于确定路由信息的正常数据通信，以实现控制信道的冗余。

    COMMUNICATION CONTROL SYSTEM AND COMMUNICATION CONTROL METHOD
    6.
    发明申请
    COMMUNICATION CONTROL SYSTEM AND COMMUNICATION CONTROL METHOD 有权
    通信控制系统和通信控制方法

    公开(公告)号：US20130046882A1

    公开(公告)日：2013-02-21

    申请号：US13520773

    申请日：2011-01-04

    申请人： Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa

    发明人： Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa

    IPC分类号： G06F15/173

    CPC分类号： H04L45/42 ,  H04L45/18 ,  H04L45/38 ,  H04L45/48 ,  H04L45/54

    摘要： In the case of a system where a communication device is remote-controlled from a control server, depending on timing when an entry is written into a forwarding table of the communication device from the control server, there is a possibility that a loop and discard of the traffic occur. Therefore, for registration, rewriting and deletion of the entry of the forwarding table which are performed on the communication device 102 by the control server 101; the communication device 102 verifies contents of control instructions from the control server 101; the communication device 102 holds the result of this verification; the control server 101 acquires the result of the verification; the control server 101 judges whether or not a series of controls can be executed based on the results of the verification from the plurality of communication devices 102; and then the control server 101 invokes the execution at the plurality of communication devices 102.

    摘要翻译： 在从控制服务器远程控制通信装置的系统的情况下，根据从控制服务器将条目写入到通信装置的转发表中的定时，存在循环和丢弃 交通发生。 因此，用于登记，重写和删除由控制服务器101在通信设备102上执行的转发表的条目; 通信设备102从控制服务器101验证控制指令的内容; 通信装置102保持该验证的结果; 控制服务器101获取验证结果; 控制服务器101基于来自多个通信装置102的验证结果判断是否能够执行一系列控制; 然后控制服务器101调用多个通信设备102的执行。

    Communication control system and communication control method
    7.
    发明授权
    Communication control system and communication control method 有权
    通讯控制系统及通讯控制方法

    公开(公告)号：US09432283B2

    公开(公告)日：2016-08-30

    申请号：US13520773

    申请日：2011-01-04

    申请人： Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa

    发明人： Masanori Takashima ,  Youichi Hidaka ,  Tetsu Izawa

    IPC分类号： G06F15/173 ,  H04L12/717 ,  H04L12/753 ,  H04L12/741

    CPC分类号： H04L45/42 ,  H04L45/18 ,  H04L45/38 ,  H04L45/48 ,  H04L45/54

    摘要： In the case of a system where a communication device is remote-controlled from a control server, depending on timing when an entry is written into a forwarding table of the communication device from the control server, there is a possibility that a loop and discard of the traffic occur. Therefore, for registration, rewriting and deletion of the entry of the forwarding table which are performed on the communication device 102 by the control server 101; the communication device 102 verifies contents of control instructions from the control server 101; the communication device 102 holds the result of this verification; the control server 101 acquires the result of the verification; the control server 101 judges whether or not a series of controls can be executed based on the results of the verification from the plurality of communication devices 102; and then the control server 101 invokes the execution at the plurality of communication devices 102.

    摘要翻译： 在从控制服务器远程控制通信装置的系统的情况下，根据从控制服务器将条目写入到通信装置的转发表中的定时，存在循环和丢弃 交通发生。 因此，用于登记，重写和删除由控制服务器101在通信设备102上执行的转发表的条目; 通信设备102从控制服务器101验证控制指令的内容; 通信装置102保持该验证的结果; 控制服务器101获取验证结果; 控制服务器101基于来自多个通信装置102的验证结果判断是否能够执行一系列控制; 然后控制服务器101调用多个通信设备102的执行。

    Communication system including a switching section for switching a network route, controlling method and storage medium
    10.
    发明授权
    Communication system including a switching section for switching a network route, controlling method and storage medium 有权
    通信系统，包括用于切换网络路由的切换部分，控制方法和存储介质

    公开(公告)号：US08713353B2

    公开(公告)日：2014-04-29

    申请号：US13137351

    申请日：2011-08-08

    申请人： Tetsu Izawa

    发明人： Tetsu Izawa

    IPC分类号： G06F11/00

    CPC分类号： H04L67/1095 ,  G06F11/2028 ,  G06F11/2038 ,  H04L45/00 ,  H04L45/28 ,  H04L69/40

    摘要： Whether or not a signal which is transmitted from a current operation side node to a stand-by side node has been disconnected is determined on a communication route for the signal. When the signal is determined to have been disconnected, the network route is switched to the network route used when a client unit and the stand-by side node perform data communication. With this, the switching of the network route when processing having been performed by a node of a system is performed by another node in place of the node can be made quickly.

    摘要翻译： 在信号的通信路径上确定从当前操作侧节点发送到备用侧节点的信号是否已断开。 当信号被确定已断开时，网络路由切换到当客户机单元和待机侧节点执行数据通信时使用的网络路由。 由此，可以快速地进行代替节点的另一节点执行已经由系统的节点执行的处理时的网络路由的切换。