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1. 发明申请

US20080002728A1 PACKET RELAY APPARATUS AND PACKET RELAY METHOD 有权
标题翻译：分组继电器和分组继电器方法
公开(公告)号：US20080002728A1
公开(公告)日：2008-01-03
申请号：US11839849
申请日：2007-08-16
申请人： Mitsukuni Yoshida , Yushi Murata , Takeshi Miyaura , Eiji Sakakibara , Shigeru Kotabe , Marika Koga
发明人： Mitsukuni Yoshida , Yushi Murata , Takeshi Miyaura , Eiji Sakakibara , Shigeru Kotabe , Marika Koga
IPC分类号： H04L12/56
CPC分类号： H04L47/10 , H04L47/22 , H04L47/2416 , H04L47/2441 , H04L47/28
摘要： A packet relay apparatus for suppressing a burst transfer of packets being relayed to improve the quality and reliability of packet communication. In the packet relay apparatus, an arrival time measurement block measures the arrival time of an input packet to generate arrival time information; a packet classification block classifies the packet as an output-interval-control packet, which requires output interval control, or a non-output-interval-control packet, which does not require output interval control, to generate classification information; a packet distribution block receives the packet which has been processed and switched and places the packet in an appropriate queue according to the classification information; and a schedule management block performs relay output control in accordance with the arrival time information such that the output intervals of output-interval-control packets become equal to the input intervals obtained when the packets were input to the apparatus.
摘要翻译：一种分组中继装置，用于抑制中继的分组的突发传输，以提高分组通信的质量和可靠性。在分组中继装置中，到达时间测量块测量输入分组的到达时间以产生到达时间信息; 分组分类块将分组分类为需要输出间隔控制的输出间隔控制分组，或者不需要输出间隔控制的非输出间隔控制分组来生成分类信息; 分组分发块接收已经被处理和交换的分组，并且根据分类信息将分组置于适当的队列中; 并且调度管理块根据到达时间信息执行中继输出控制，使得输出间隔控制分组的输出间隔变得等于当分组输入到设备时获得的输入间隔。

2. 发明授权

US08089979B2 Packet relay apparatus and packet relay method 有权
标题翻译：分组中继装置和分组中继方法
公开(公告)号：US08089979B2
公开(公告)日：2012-01-03
申请号：US11839849
申请日：2007-08-16
申请人： Mitsukuni Yoshida , Yushi Murata , Takeshi Miyaura , Eiji Sakakibara , Shigeru Kotabe , Marika Koga
发明人： Mitsukuni Yoshida , Yushi Murata , Takeshi Miyaura , Eiji Sakakibara , Shigeru Kotabe , Marika Koga
IPC分类号： H04L12/28
CPC分类号： H04L47/10 , H04L47/22 , H04L47/2416 , H04L47/2441 , H04L47/28
摘要： A packet relay apparatus for suppressing a burst transfer of packets being relayed to improve the quality and reliability of packet communication. In the packet relay apparatus, an arrival time measurement block measures the arrival time of an input packet to generate arrival time information; a packet classification block classifies the packet as an output-interval-control packet, which requires output interval control, or a non-output-interval-control packet, which does not require output interval control, to generate classification information; a packet distribution block receives the packet which has been processed and switched and places the packet in an appropriate queue according to the classification information; and a schedule management block performs relay output control in accordance with the arrival time information such that the output intervals of output-interval-control packets become equal to the input intervals obtained when the packets were input to the apparatus.
摘要翻译：一种分组中继装置，用于抑制中继的分组的突发传送，以提高分组通信的质量和可靠性。在分组中继装置中，到达时间测量块测量输入分组的到达时间以产生到达时间信息; 分组分类块将分组分类为需要输出间隔控制的输出间隔控制分组，或者不需要输出间隔控制的非输出间隔控制分组来生成分类信息; 分组分发块接收已经被处理和交换的分组，并且根据分类信息将分组置于适当的队列中; 并且调度管理块根据到达时间信息执行中继输出控制，使得输出间隔控制分组的输出间隔变得等于当分组输入到设备时获得的输入间隔。

3. 发明申请

US20050157728A1 Packet relay device 审中-公开
标题翻译：分组中继设备
公开(公告)号：US20050157728A1
公开(公告)日：2005-07-21
申请号：US10861248
申请日：2004-06-04
申请人： Marika Kawano , Yushi Murata , Takeshi Miyaura , Mitsukuni Yoshida , Shigeru Kotabe
发明人： Marika Kawano , Yushi Murata , Takeshi Miyaura , Mitsukuni Yoshida , Shigeru Kotabe
IPC分类号： H04L12/813 , H04L12/28 , H04L12/861
CPC分类号： H04L12/2854
摘要： A packet relay device which realizes a QoS service with higher quality by improving an intra-device policy concerning packet discard. An input-side policing unit measures a first data rate of packets before being switched, and discards at least one of the packets before being switched, when the first data rate exceeds a first bandwidth value which is preset. A switching unit performs switching of the packets on which the input processing is performed. An output-side policing unit receives packets flowing together after being switched, measures a second data rate of a portion of the received packets corresponding to each value of a parameter, compares the second data rate with a second bandwidth value which is preset to be guaranteed for the value of the parameter, and discards at least one packet in the portion of the received packets when the second data rate exceeds the second bandwidth value.
摘要翻译：一种通过改进关于分组丢弃的设备内策略来实现具有更高质量的QoS服务的分组中继设备。输入侧监管单元在切换之前测量分组的第一数据速率，并且当第一数据速率超过预设的第一带宽值时，在切换之前丢弃分组中的至少一个。切换单元执行对其进行输入处理的分组的切换。输出侧监管单元在切换之后接收一起流动的分组，测量与参数的每个值相对应的接收分组的一部分的第二数据速率，将第二数据速率与预设为保证的第二带宽值进行比较对于参数的值，并且当第二数据速率超过第二带宽值时，在接收到的分组的部分中丢弃至少一个分组。

4. 发明授权

US5796720A Control method of asynchronous data communications 失效
标题翻译：异步数据通信的控制方法
公开(公告)号：US5796720A
公开(公告)日：1998-08-18
申请号：US597645
申请日：1996-02-06
申请人： Toshiyuki Yoshida , Takaharu Kajiwara , Yushi Murata , Naoki Sase , Masashi Hirome
发明人： Toshiyuki Yoshida , Takaharu Kajiwara , Yushi Murata , Naoki Sase , Masashi Hirome
IPC分类号： H04J3/08 , H04L12/26 , H04L12/28 , H04L12/42 , H04L12/43 , H04L12/437 , H04L12/46 , H04Q11/04 , H04J3/14
CPC分类号： H04Q11/0478 , H04J3/085 , H04L12/4604 , H04L12/26 , H04L2012/5612 , H04L2012/5627 , H04L2012/5628 , H04L2012/5636 , H04L43/00
摘要： There is provided a communication control method for a network including duplexed ring transmission lines and a plurality of communication controlling devices each accommodating a plurality of terminals and adapted to transmit data sent from any of the terminals and receive data over the ring transmission lines, the communication control method comprising the steps of: causing one communication controlling device to transmit monitoring cells simultaneously over the duplexed transmission lines, the monitoring cells each including a pass indication area for retaining a source address and identification information for identifying a passed communication controlling device; and causing another communication controlling device which receives the monitoring cells respectively from the duplexed transmission lines to relay and circulate the monitoring cells respectively over the duplexed transmission lines after writing in the pass indication area of each of the received monitoring cells data indicative of passage of said each monitoring cell. The communication control method improves the efficiency of the fault monitoring and fault reporting on the transmission lines of the ring LAN.
摘要翻译：提供了一种用于包括双工环形传输线的网络的通信控制方法和多个通信控制设备，每个通信控制设备容纳多个终端，并且适于发送从任何终端发送的数据并通过环形传输线路接收数据，通信所述控制方法包括以下步骤：使一个通信控制装置通过所述双工传输线同时发送监视单元，所述监视单元包括用于保留源地址的通过指示区域和用于识别通过的通信控制装置的识别信息; 并且从另一个通信控制装置接收分别从所述双工传输线路的监视小区，在写入所接收的每个监视小区的通过指示区域中，分别在所述双工传输线路上中继和循环所述监视小区，所述数据指示所述每个监测单元。通信控制方法提高了环网LAN传输线路故障监测和故障报告的效率。

5. 发明授权

US07027440B2 Router having a function to prevent a packet sequence inversion 失效
公开(公告)号：US07027440B2
公开(公告)日：2006-04-11
申请号：US10105475
申请日：2002-03-25
申请人： Hideyuki Kudou , Yushi Murata , Yasushi Kurokawa
发明人： Hideyuki Kudou , Yushi Murata , Yasushi Kurokawa
IPC分类号： H04L12/413 , H04J3/04
CPC分类号： H04L67/1002 , H04L45/60 , H04L47/2408 , H04L47/2441 , H04L47/32 , H04L47/34 , H04L47/50 , H04L49/253
摘要： A router includes a plurality of control units connected in parallel, each having an input connected to a receiving interface and an output connected to a transmitting interface, and performing timing control of outgoing packets to the transmitting interface based on header information of incoming packets, the incoming packets being stored in a memory and the stored packets being transmitted to the transmitting interface in order of transmission of the outgoing packets. A distributing unit distributes transmitting sequence information, related to the stored packets in the memory, to other control units. The distributing unit determines whether a packet sequence inversion in the control unit occurs, based on a result of comparison of the transmitting sequence information received and the transmitting sequence information held by the control unit, inhibiting the transmission of the stored packets to the transmitting interface when the packet sequence invention is detected.

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