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1. 发明授权

US09537764B2 Communication apparatus, control apparatus, communication system, communication method, method for controlling communication apparatus, and program 有权
标题翻译：通信装置，控制装置，通信系统，通信方法，控制通信装置的方法和程序
公开(公告)号：US09537764B2
公开(公告)日：2017-01-03
申请号：US14385453
申请日：2013-03-26
申请人： Mamoru Takajo , Masanori Takashima , Shihomi Sato
发明人： Mamoru Takajo , Masanori Takashima , Shihomi Sato
IPC分类号： H04L1/00 , H04L12/721 , H04L29/06 , H04L12/18 , H04L12/803 , H04L12/24 , H04L12/715
CPC分类号： H04L45/38 , H04L12/18 , H04L41/0803 , H04L45/64 , H04L47/125 , H04L69/12 , H04L69/22
摘要： A communication apparatus is provided with: a processing rule storage unit capable of storing a first processing rule for unknown packets set in advance, and a second processing rule set by a control apparatus; a packet processor that processes received packets based on processing rules stored in the processing rule storage unit; and a state notification unit that transmits a predetermined control message to the control apparatus when a packet is processed using the first processing rule. On receiving the predetermined control message, the control apparatus creates the second processing rule to be set in the communication apparatus and sets the second processing rule in the communication apparatus, and also discards packets included in the control message. The communication apparatus continues packet processing using the first processing rule until the second processing rule is set by the control apparatus.
摘要翻译：通信装置具有：能够存储预先设定的未知分组的第一处理规则的处理规则存储部和由控制装置设定的第二处理规则; 分组处理器，其基于存储在所述处理规则存储单元中的处理规则来处理接收的分组; 以及状态通知单元，其在使用所述第一处理规则处理分组时，向所述控制设备发送预定的控制消息。在接收到预定控制消息时，控制装置创建要在通信装置中设置的第二处理规则，并将第二处理规则设置在通信装置中，并且丢弃包含在控制消息中的分组。通信装置使用第一处理规则继续分组处理，直到由控制装置设置第二处理规则。

2. 发明申请

US20140133492A1 COMMUNICATION ROUTE CONTROL SYSTEM AND COMMUNICATION ROUTE CONTROL METHOD 审中-公开
标题翻译：通信路由控制系统和通信路由控制方法
公开(公告)号：US20140133492A1
公开(公告)日：2014-05-15
申请号：US14122003
申请日：2012-05-29
申请人： Mamoru Takajo , Masanori Takashima
发明人： Mamoru Takajo , Masanori Takashima
IPC分类号： H04L12/947
摘要： On the OpenFlow network/normal network boundary, the route cannot be appropriately changed under a communication trouble with the controller. In this invention, the controller makes the route formed by internal switches optimal by updating the Flow table of each internal switch. Among internal switches, the internal switch A forms the optimal route with an external switch to become an active internal switch. The internal switch B forms a redundant route with the external switch to become a standby internal switch. When inability of the connection between the controller and the internal switch A is detected, the internal switch A performs a link-down of the port for connecting to the external switch. When the link-down of the port connecting to the internal switch A is detected, the external switch changes the route so that the traffic to the active internal switch A is transferred to the standby switch B.
摘要翻译：在OpenFlow网络/正常网络边界上，在控制器的通信故障下，路由不能适当改变。在本发明中，通过更新每个内部开关的流程表，控制器使由内部开关形成的路线最优化。在内部交换机中，内部交换机A形成具有外部交换机成为活动内部交换机的最佳路由。内部交换机B形成冗余路由，外部交换机成为备用内部交换机。当检测到控制器与内部交换机A之间的连接不能时，内部交换机A执行用于连接外部交换机的端口的链路断开。当检测到连接到内部交换机A的端口的链路断开时，外部交换机改变路由，使得到主动内部交换机A的流量被传送到备用交换机B.

3. 发明授权

US10554585B2 Communication route control system and communication route control method 有权
公开(公告)号：US10554585B2
公开(公告)日：2020-02-04
申请号：US14122003
申请日：2012-05-29
申请人： Mamoru Takajo , Masanori Takashima
发明人： Mamoru Takajo , Masanori Takashima
IPC分类号： H04L12/947
摘要： On the OpenFlow network/normal network boundary, the route cannot be appropriately changed under a communication trouble with the controller. In this invention, the controller makes the route formed by internal switches optimal by updating the Flow table of each internal switch. Among internal switches, the internal switch A forms the optimal route with an external switch to become an active internal switch. The internal switch B forms a redundant route with the external switch to become a standby internal switch. When inability of the connection between the controller and the internal switch A is detected, the internal switch A performs a link-down of the port for connecting to the external switch. When the link-down of the port connecting to the internal switch A is detected, the external switch changes the route so that the traffic to the active internal switch A is transferred to the standby switch B.

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