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公开(公告)号：US20100309934A1
公开(公告)日：2010-12-09
申请号：US12678167
申请日：2008-09-12
申请人： Masaki Umayabashi , Hideo Yoshimi , Zhenlong Cui , Kazuo Takagi , Atsushi Iwata
发明人： Masaki Umayabashi , Hideo Yoshimi , Zhenlong Cui , Kazuo Takagi , Atsushi Iwata
IPC分类号： H04J3/06
CPC分类号： H04J3/0632 , H03L7/06 , H04L69/28
摘要： The clock synchronization accuracy between a master node and a slave node is stably measured. The slave node synchronizes its own clock with the clock of the master node by means of the packets transmitted from the master node. It reproduces the clock of the slave node by means of the transmitted packets, accumulates information on the transmitted packets and the clock of the slave node and performs clock synchronization on the basis of the accumulated information.
摘要翻译： 稳定地测量主节点和从节点之间的时钟同步精度。 从节点通过从主节点发送的分组将其自己的时钟与主节点的时钟同步。 它通过发送的分组再现从节点的时钟，累积关于发送的分组的信息和从节点的时钟，并根据累积的信息执行时钟同步。
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公开(公告)号：US08675665B2
公开(公告)日：2014-03-18
申请号：US12678167
申请日：2008-09-12
申请人： Masaki Umayabashi , Hideo Yoshimi , Zhenlong Cui , Kazuo Takagi , Atsushi Iwata
发明人： Masaki Umayabashi , Hideo Yoshimi , Zhenlong Cui , Kazuo Takagi , Atsushi Iwata
IPC分类号： H04L12/28
CPC分类号： H04J3/0632 , H03L7/06 , H04L69/28
摘要： The clock synchronization accuracy between a master node and a slave node is stably measured. The slave node synchronizes its own clock with the clock of the master node by means of the packets transmitted from the master node. It reproduces the clock of the slave node by means of the transmitted packets, accumulates information on the transmitted packets and the clock of the slave node and performs clock synchronization on the basis of the accumulated information.
摘要翻译： 稳定地测量主节点和从节点之间的时钟同步精度。 从节点通过从主节点发送的分组将其自己的时钟与主节点的时钟同步。 它通过发送的分组再现从节点的时钟，累积关于发送的分组的信息和从节点的时钟，并根据累积的信息执行时钟同步。
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公开(公告)号：US07831715B2
公开(公告)日：2010-11-09
申请号：US11766170
申请日：2007-06-21
申请人： Hideo Yoshimi , Nobuyuki Enomoto , Zhenlong Cui , Kazuo Takagi , Atsushi Iwata
发明人： Hideo Yoshimi , Nobuyuki Enomoto , Zhenlong Cui , Kazuo Takagi , Atsushi Iwata
IPC分类号： G06F15/16
CPC分类号： H04L67/141 , H04L67/14 , H04L67/143 , H04L69/16 , H04L69/163
摘要： An object of the present application is to provide a technology that can achieve packet communication between terminals connected to the Internet by way of a relay server in a faster and safer manner. The system of present application is a communication system characterized in that, on receipt of a start-connection message, a relay server having the lowest load is searched, and communication is achieved by way of the relay server found.
摘要翻译： 本申请的目的是提供一种技术，其可以通过中继服务器以更快和更安全的方式实现连接到因特网的终端之间的分组通信。 本申请的系统是一种通信系统，其特征在于，在接收到起始连接消息时，搜索具有最低负载的中继服务器，并且通过找到的中继服务器实现通信。
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4.发明授权Node, network, correspondence relationship generation method and frame transfer program 有权节点，网络，通信关系生成方法和帧传送程序公开(公告)号：US08565124B2
公开(公告)日：2013-10-22
申请号：US11885573
申请日：2006-03-01
申请人： Masaki Umayabashi , Kazuo Takagi , Daisaku Ogasahara , Nobuyuki Enomoto , Youichi Hidaka , Atsushi Iwata
发明人： Masaki Umayabashi , Kazuo Takagi , Daisaku Ogasahara , Nobuyuki Enomoto , Youichi Hidaka , Atsushi Iwata
IPC分类号： H04L12/28
CPC分类号： H04L12/462 , H04L45/48
摘要： Provided in the EoE technique are the node, the network, the correspondence relationship generating method and the frame transfer program to avoid traffic concentration on a specific link to improve throughput of the network as a whole by realizing optimum path transfer. The frame switching unit includes the frame analysis unit for analyzing an input frame kind and the like, the table search unit for obtaining frame rewriting information and output port information, the forwarding table storage unit for managing an output port of a frame, the MAC learning unit for executing MAC address learning, the EoE-MAC learning unit for learning a relationship between a MAC address and an EoE-MAC address, the STP control unit for executing processing of a spanning tree, and the like.
摘要翻译： 在EoE技术中提供了节点，网络，对应关系生成方法和帧传输程序，以避免特定链路上的流量集中，从而通过实现最佳路径传输来提高整个网络的吞吐量。 帧切换单元包括用于分析输入帧种类等的帧分析单元，用于获取帧重写信息和输出端口信息的表搜索单元，用于管理帧的输出端口的转发表存储单元，MAC学习 用于执行MAC地址学习的单元，用于学习MAC地址和EoE-MAC地址之间的关系的EoE-MAC学习单元，用于执行生成树的处理的STP控制单元等。
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5.发明申请Node, Network, Correspondence Relationship Generation Method and Frame Transfer Program 有权节点，网络，通信关系生成方法和帧传送程序公开(公告)号：US20080165705A1
公开(公告)日：2008-07-10
申请号：US11885573
申请日：2006-03-01
申请人： Masaki Umayabashi , Kazuo Takagi , Daisaku Ogasahara , Nobuyuki Enomoto , Youichi Hidaka , Atsushi Iwata
发明人： Masaki Umayabashi , Kazuo Takagi , Daisaku Ogasahara , Nobuyuki Enomoto , Youichi Hidaka , Atsushi Iwata
IPC分类号： H04L12/28
CPC分类号： H04L12/462 , H04L45/48
摘要： Provided in the EoE technique are the node, the network, the correspondence relationship generating method and the frame transfer program to avoid traffic concentration on a specific link to improve throughput of the network as a whole by realizing optimum path transfer. The frame switching unit includes the frame analysis unit for analyzing an input frame kind and the like, the table search unit for obtaining frame rewriting information and output port information, the forwarding table storage unit for managing an output port of a frame, the MAC learning unit for executing MAC address learning, the EoE-MAC learning unit for learning a relationship between a MAC address and an EoE-MAC address, the STP control unit for executing processing of a spanning tree, and the like.
摘要翻译： 在EoE技术中提供了节点，网络，对应关系生成方法和帧传输程序，以避免特定链路上的流量集中，从而通过实现最佳路径传输来提高整个网络的吞吐量。 帧切换单元包括用于分析输入帧种类等的帧分析单元，用于获取帧重写信息和输出端口信息的表搜索单元，用于管理帧的输出端口的转发表存储单元，MAC学习 用于执行MAC地址学习的单元，用于学习MAC地址和EoE-MAC地址之间的关系的EoE-MAC学习单元，用于执行生成树的处理的STP控制单元等。
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6.发明授权公开(公告)号：US08094584B2
公开(公告)日：2012-01-10
申请号：US12279682
申请日：2007-02-16
申请人： Masaki Umayabashi , Nobuyuki Enomoto , Youichi Hidaka , Daisaku Ogasahara , Kazuo Takagi , Atsushi Iwata
发明人： Masaki Umayabashi , Nobuyuki Enomoto , Youichi Hidaka , Daisaku Ogasahara , Kazuo Takagi , Atsushi Iwata
IPC分类号： H04L12/28
CPC分类号： H04L12/462 , H04L45/00 , H04L45/48
摘要： For eliminating a reduction in throughput in a network as a whole according to optimum path transfer technique which is the expansion of spanning tree protocol, a frame switching unit of the network has an STP control unit for, when a port state of a spanning tree is changed, notifying a table control unit of an identifier of the spanning tree and a port number of a predetermined port among the respective ports, the table control unit for setting, in a forwarding table storage unit, a received port number of a predetermined port as an output port in an entry in which a node ID is equivalent to a spanning tree identifier, and a table search unit for determining an output destination from among output ports obtained by acquisition of received frame information from a frame analysis unit.
摘要翻译： 为了根据作为生成树协议扩展的最优路径传输技术，整体上消除网络吞吐量的降低，网络的帧交换单元具有STP控制单元，当生成树的端口状态为 在各个端口中通知表控制单元生成树的标识符和预定端口的端口号，表控制单元，用于在转发表存储单元中将预定端口的接收端口号设置为 在其中节点ID等同于生成树标识符的条目中的输出端口，以及用于从通过从帧分析单元获取接收的帧信息而获得的输出端口中确定输出目的地的表搜索单元。
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7.发明申请公开(公告)号：US20100232322A1
公开(公告)日：2010-09-16
申请号：US12279682
申请日：2007-02-16
申请人： Masaki Umayabashi , Nobuyuki Enomoto , Youichi Hidaka , Daisaku Ogasahara , Kazuo Takagi , Atsushi Iwata
发明人： Masaki Umayabashi , Nobuyuki Enomoto , Youichi Hidaka , Daisaku Ogasahara , Kazuo Takagi , Atsushi Iwata
CPC分类号： H04L12/462 , H04L45/00 , H04L45/48
摘要： For eliminating a reduction in throughput in a network as a whole according to optimum path transfer technique which is the expansion of spanning tree protocol, a frame switching unit of the network has an STP control unit for, when a port state of a spanning tree is changed, notifying a table control unit of an identifier of the spanning tree and a port number of a predetermined port among the respective ports, the table control unit for setting, in a forwarding table storage unit, a received port number of a predetermined port as an output port in an entry in which a node ID is equivalent to a spanning tree identifier, and a table search unit for determining an output destination from among output ports obtained by acquisition of received frame information from a frame analysis unit.
摘要翻译： 为了根据作为生成树协议扩展的最优路径传输技术，整体上消除网络吞吐量的降低，网络的帧交换单元具有STP控制单元，当生成树的端口状态为 在各个端口中通知表控制单元生成树的标识符和预定端口的端口号，表控制单元，用于在转发表存储单元中将预定端口的接收端口号设置为 在其中节点ID等同于生成树标识符的条目中的输出端口，以及用于从通过从帧分析单元获取接收的帧信息而获得的输出端口中确定输出目的地的表搜索单元。
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公开(公告)号：US20070171836A1
公开(公告)日：2007-07-26
申请号：US11625687
申请日：2007-01-22
申请人： Hideo Yoshimi , Nobuyuki Enomoto , Chinryuu Sai , Kazuo Takagi , Atsushi Iwata
发明人： Hideo Yoshimi , Nobuyuki Enomoto , Chinryuu Sai , Kazuo Takagi , Atsushi Iwata
CPC分类号： H04L61/2575 , H04L29/1249 , H04L29/12528
摘要： An object of the present invention is to provide a technology capable of estimating header conversion applied in a network by collecting information required in the estimation, without introducing a special-purpose server directed to estimate header conversion applied in the network. The present invention provides a system for estimating information about apparatuses on a network using an error message or control message sent in response to a transmitted packet as stipulated by a communication protocol to estimate information about apparatuses on the network.
摘要翻译： 本发明的目的是提供一种能够通过收集估计中所需的信息来估计在网络中应用的报头转换的技术，而不引入针对网络中应用的估计报头转换的专用服务器。 本发明提供一种用于使用响应于由通信协议规定的发送分组发送的错误消息或控制消息来估计关于网络上的设备的信息的系统，以估计关于网络上的设备的信息。
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公开(公告)号：US20100154049A1
公开(公告)日：2010-06-17
申请号：US11993772
申请日：2006-06-27
申请人： Hideo Yoshimi , Nobuyuki Enomoto , Youichi Hidaka , Atsushi Iwata , Kazuo Takagi
发明人： Hideo Yoshimi , Nobuyuki Enomoto , Youichi Hidaka , Atsushi Iwata , Kazuo Takagi
CPC分类号： H04L63/02 , H04L43/028 , H04L63/0227 , H04L63/20
摘要： [Problems to be solved] To provide a system capable of controlling a PC firewall responding to a location, thereby to prevent a third person from intruding into a PC without being restricted by an application.[Means to solve the problems] A first security system includes: a network recognizing unit for performing a test for confirming whether an IP address allotted to the PC coincides with a specification value, and notifying its test result to a security setting unit; the security setting unit for, upon receipt of the test result from the network recognizing unit, notifying a setting modification command to a firewall unit based upon its test result; and the firewall unit for, upon receipt of the setting modification command from the security setting unit, executing a packet filtering responding to its command.
摘要翻译： [待解决的问题]提供能够控制PC防火墙响应于位置的系统，从而防止第三人员入侵PC而不受应用限制。 解决问题的手段第一安全系统包括：网络识别单元，用于执行用于确认分配给PC的IP地址是否与规格值一致的测试，并将其测试结果通知给安全设置单元; 所述安全设置单元，用于在从所述网络识别单元接收到所述测试结果后，根据其测试结果向防火墙单元通知设置修改命令; 以及防火墙单元，用于在从安全设置单元接收到设置修改命令时，响应于其命令执行包过滤。
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公开(公告)号：US07783705B2
公开(公告)日：2010-08-24
申请号：US10642197
申请日：2003-08-18
CPC分类号： H04L47/32 , H04L12/4666 , H04L47/28
摘要： A node to relay the Ethernet frame provided with means to insert, in the relay process of the frame, two or more VLAN tags into the frame at a time and to remove the inserted VLAN tags wherein a TTL area to show the frame survival time is provided in the VLAN tag to be inserted to the frame so that whether the survival time has been elapsed or not is checked by the value in the TTL area and the frame after elapse of the survival time is discarded without being relayed.
摘要翻译： 用于中继以太网帧的节点具有在帧的中继过程中将两个或更多个VLAN标签一次插入该帧的装置，并且去除插入的VLAN标签，其中显示帧存活时间的TTL区域是 提供在要插入帧的VLAN标签中，以便通过TTL区域中的值检查生存时间是否已经过去，并且在生存时间过后的帧被丢弃而不进行中继。
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