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1. 发明申请

US20100265817A1 Ring network and network relay device 有权
标题翻译：环网和网络中继设备
公开(公告)号：US20100265817A1
公开(公告)日：2010-10-21
申请号：US12659347
申请日：2010-03-04
申请人： Hitoshi Kuwata , Koichiro Seto
发明人： Hitoshi Kuwata , Koichiro Seto
IPC分类号： G06F11/00
CPC分类号： H04L12/437 , H04L69/40
摘要： A ring network with plural network relay devices connected in a ring shape includes first and second control ports to be transitioned into either a forwarding state that permits relaying information, or a blocking state that prohibits relaying information; and a ring protocol control unit for transmitting connection confirmation information indicative of communications being possible between the first and the second control port, from the first to the second control port, and from the second to the first control port at a predetermined time interval, or for, in the event that the first or the second control port does not receive the connection confirmation information from the second or the first control port, transmitting failure information indicative of communications being not possible between the first and the second control port, from the first to the second control port, or from the second to the first control port. The ring protocol control unit transitions the first control port into the blocking state when the first control port receives the failure information, or into the forwarding state when the first control port transmits the failure information. The ring protocol control unit transitions the second control port into the blocking state when the second control port receives the failure information, or into the forwarding state when the second control port transmits the failure information.
摘要翻译：具有以环形形式连接的多个网络中继装置的环网包括要转变为允许中继信息的转发状态的第一和第二控制端口，或禁止中继信息的阻塞状态; 以及环路协议控制单元，用于发送表示在第一和第二控制端口之间从第一控制端口到第二控制端口以及从第二控制端口到第一控制端口以预定时间间隔进行通信的连接确认信息，或者因为在第一或第二控制端口没有从第二或第一控制端口接收到连接确认信息的情况下，从第一或第二控制端口发送指示在第一和第二控制端口之间不可能通信的故障信息到第二控制端口，或从第二控制端口到第一控制端口。当第一控制端口接收到故障信息时，环路协议控制单元将第一控制端口转变为阻塞状态，或者当第一控制端口发送故障信息时转换到转发状态。当第二控制端口接收到故障信息时，环路协议控制单元将第二控制端口转换成阻塞状态，或者当第二控制端口发送故障信息时，转换到转发状态。

2. 发明授权

US08630166B2 Ring network and network relay device 有权
标题翻译：环网和网络中继设备
公开(公告)号：US08630166B2
公开(公告)日：2014-01-14
申请号：US12659347
申请日：2010-03-04
申请人： Hitoshi Kuwata , Koichiro Seto
发明人： Hitoshi Kuwata , Koichiro Seto
IPC分类号： H04J1/16
CPC分类号： H04L12/437 , H04L69/40
摘要： A ring network with plural network relay devices connected in a ring shape includes first and second control ports to be transitioned into either a forwarding state that permits relaying information, or a blocking state that prohibits relaying information; and a ring protocol control unit for transmitting connection confirmation information indicative of communications being possible between the first and the second control port, from the first to the second control port, and from the second to the first control port at a predetermined time interval, or for, in the event that the first or the second control port does not receive the connection confirmation information from the second or the first control port, transmitting failure information indicative of communications being not possible between the first and the second control port, from the first to the second control port, or from the second to the first control port. The ring protocol control unit transitions the first control port into the blocking state when the first control port receives the failure information, or into the forwarding state when the first control port transmits the failure information. The ring protocol control unit transitions the second control port into the blocking state when the second control port receives the failure information, or into the forwarding state when the second control port transmits the failure information.
摘要翻译：具有以环形形式连接的多个网络中继装置的环网包括要转变为允许中继信息的转发状态的第一和第二控制端口，或禁止中继信息的阻塞状态; 以及环路协议控制单元，用于发送表示在第一和第二控制端口之间从第一控制端口到第二控制端口以及从第二控制端口到第一控制端口以预定时间间隔进行通信的连接确认信息，或者因为在第一或第二控制端口没有从第二或第一控制端口接收到连接确认信息的情况下，从第一或第二控制端口发送指示在第一和第二控制端口之间不可能通信的故障信息到第二控制端口，或从第二控制端口到第一控制端口。当第一控制端口接收到故障信息时，环路协议控制单元将第一控制端口转变为阻塞状态，或者当第一控制端口发送故障信息时转换到转发状态。当第二控制端口接收到故障信息时，环路协议控制单元将第二控制端口转换成阻塞状态，或者当第二控制端口发送故障信息时，转换到转发状态。

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