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1. 发明公开

EP2418811A3 Network System, Layer 2 Switch, And Method Of Detecting Occurrence Of A Fault In A Network 审中-公开
标题翻译：网络系统中，第2个交换机和方法，用于检测网络中的故障的发生
公开(公告)号：EP2418811A3
公开(公告)日：2014-04-30
申请号：EP11177118.4
申请日：2011-08-10
申请人： Alaxala Networks Corporation
发明人： Akahane, Shinichi , Kaganoi, Teruo , Nagata, Tetsuya
IPC分类号： H04L12/56 , H04L12/26
CPC分类号： H04L43/00 , H04L41/0677 , H04L43/10 , H04L43/50 , H04L45/28 , H04L49/555 , H04L49/557
摘要： A network system comprises a first communication device being set up with a first address; and a second communication device connected with the first communication device via a network and being set up with a second address, wherein the first communication device includes a monitor frame transmitter 30b configured to generate a monitor frame including the second address as a destination address and the first address as a source address, and to output the generated monitor frame to the network; and a monitoring-response frame monitor 47a configured to monitor reception of a monitoring-response frame sent back from the second communication device, wherein the second communication device includes: a monitoring-response frame transmitter 20b configured to, in response to reception of the monitor frame, generate the monitoring-response frame by exchanging the destination address in the received monitor frame for a source address and the source address in the received monitor frame for a destination address, and output the generated monitoring-response frame to the network.

2. 发明公开

EP2490381A1 Packet transfer device and power supply control method for QoS control circuit 有权
标题翻译： Paketübertragungsvorrichtungund StromzufuhrsteuerungsvorrichtungfürDienstgütesteuerschaltung
公开(公告)号：EP2490381A1
公开(公告)日：2012-08-22
申请号：EP12155714.4
申请日：2012-02-16
申请人： Alaxala Networks Corporation
发明人： Koie, Naohisa , Kaganoi, Teruo , Aimoto, Takeshi
IPC分类号： H04L12/56
CPC分类号： H04L47/2441
摘要： It is intended to reduce a power consumption without degrading a communication quality of a packet transfer device 200. One or more of a receiver 210, a switch unit 220, and a transmitter 230 include a QoS control circuit for applying QoS control to received packets. There is provided a power saving operation mode that enables power saving operation by changing a grain size of the QoS control according to a flow rate of the packets, and controlling whether or not to supply an electric power to the QoS control circuit or a part of the QoS control circuit, according to the flow rate of the packets.
摘要翻译：旨在降低功耗而不降低分组传送设备200的通信质量。接收机210，交换机单元220和发射机230中的一个或多个包括用于对接收的分组应用QoS控制的QoS控制电路。提供了一种省电操作模式，其通过根据分组的流量改变QoS控制的粒度来控制是否向QoS控制电路或部分服务提供电力来实现节电操作 QoS控制电路，根据报文的流量。

3. 发明公开

EP2418811A2 Network System, Layer 2 Switch, And Method Of Detecting Occurrence Of A Fault In A Network 审中-公开
标题翻译：网络系统中，第2个交换机和方法，用于检测网络中的故障的发生
公开(公告)号：EP2418811A2
公开(公告)日：2012-02-15
申请号：EP11177118.4
申请日：2011-08-10
申请人： Alaxala Networks Corporation
发明人： Akahane, Shinichi , Kaganoi, Teruo , Nagata, Tetsuya
IPC分类号： H04L12/56 , H04L12/26
CPC分类号： H04L43/00 , H04L41/0677 , H04L43/10 , H04L43/50 , H04L45/28 , H04L49/555 , H04L49/557
摘要： A network system comprises a first communication device being set up with a first address; and a second communication device connected with the first communication device via a network and being set up with a second address, wherein the first communication device includes a monitor frame transmitter 30b configured to generate a monitor frame including the second address as a destination address and the first address as a source address, and to output the generated monitor frame to the network; and a monitoring-response frame monitor 47a configured to monitor reception of a monitoring-response frame sent back from the second communication device, wherein the second communication device includes: a monitoring-response frame transmitter 20b configured to, in response to reception of the monitor frame, generate the monitoring-response frame by exchanging the destination address in the received monitor frame for a source address and the source address in the received monitor frame for a destination address, and output the generated monitoring-response frame to the network.
摘要翻译：一种网络系统，包括被设置了一个第一地址的第一通信设备; 并经由网络和被设置了一个第二地址，worin所述第一通信设备包括被配置以产生监测帧包括所述第二地址作为目的地地址和所述监视器帧发射器30b的与第一通信设备连接的第二通信设备第一地址作为源地址，并且输出所产生的监视器帧到网络; 和配置成监视一个监测响应帧的接收的监视响应帧监视部47a从第二通信设备，worin所述第二通信装置包括发送回：监测响应帧发送器20b的配置为，响应于监视器的接收帧，通过所生成的监视响应帧交换中所接收的监控帧中的目的地地址的源地址和一个目的地地址所接收的监控帧的源地址，并输出到网络生成监视响应帧。

4. 发明授权

EP2490381B1 Packet transfer device and power supply control method for QoS control circuit 有权
标题翻译：分组传送设备和功率控制设备，用于业务控制电路的质量
公开(公告)号：EP2490381B1
公开(公告)日：2014-12-31
申请号：EP12155714.4
申请日：2012-02-16
申请人： Alaxala Networks Corporation
发明人： Koie, Naohisa , Kaganoi, Teruo , Aimoto, Takeshi
IPC分类号： H04L12/70
CPC分类号： H04L47/2441
摘要： It is intended to reduce a power consumption without degrading a communication quality of a packet transfer device 200. One or more of a receiver 210, a switch unit 220, and a transmitter 230 include a QoS control circuit for applying QoS control to received packets. There is provided a power saving operation mode that enables power saving operation by changing a grain size of the QoS control according to a flow rate of the packets, and controlling whether or not to supply an electric power to the QoS control circuit or a part of the QoS control circuit, according to the flow rate of the packets.

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