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1.发明授权公开(公告)号：US07304946B2
公开(公告)日：2007-12-04
申请号：US10108204
申请日：2002-03-27
IPC分类号： H04L12/26
摘要： A packet multiplexing control method and equipment using the method are realized by a simple control method with reduced hardware, enabling to provide low cost, efficient and fair bandwidth control corresponding to traffic characteristic of users. The packet multiplexing control method includes the steps of extracting a header part in each packet data received from a plurality of terminals; learning an address in the extracted header part; and controlling either admission processing or discard processing of the received packet according to the result of learning the address.
摘要翻译： 使用该方法的分组多路复用控制方法和设备通过简化的硬件减少控制方法来实现，能够提供与用户的流量特性相对应的低成本，高效且公平的带宽控制。 分组多路复用控制方法包括从多个终端接收的每个分组数据中提取报头部分的步骤; 在提取的头部中学习一个地址; 并且根据学习该地址的结果控制接收到的分组的接收处理或丢弃处理。
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公开(公告)号：US07636299B2
公开(公告)日：2009-12-22
申请号：US11235576
申请日：2005-09-27
申请人： Akihiro Asa , Kenichi Kawarai , Hideji Abe , Osamu Tsurumi , Hiroyuki Kaneko
发明人： Akihiro Asa , Kenichi Kawarai , Hideji Abe , Osamu Tsurumi , Hiroyuki Kaneko
CPC分类号： H04L12/42 , H04L12/40013 , H04L12/4013 , H04L12/40169 , H04L12/437 , H04L45/02
摘要： A repeater and method provides a technique to minimize congestion and packet loss, which may be generated when a fault is detected in a ring type packet network or when the network recovers from such a fault. A repeater having a plurality of ports for transmitting and receiving packets in a ring type network for transmitting the received packets on the basis of an address included in a received packet and a transmitting port database indicating an identifier of a port to transmit the packet having the address as the destination, comprises a control packet processing block to detect reception of a fault notifying packet transmitted from a repeater having detected a fault and a control block to update, upon reception of the fault notifying packet from an immediately adjacent repeater, a port identifier of the transmitting port database having a port identifier of the port having received said fault notifying packet into a port identifier of a port connected to another immediately adjacent repeater.
摘要翻译： 中继器和方法提供了一种最小化拥塞和分组丢失的技术，其可以在环型分组网络中检测到故障时或者当网络从这种故障恢复时产生。 一种中继器，具有用于在环型网络中发送和接收分组的多个端口，用于基于接收分组中包括的地址发送所接收的分组，以及发送端口数据库，其指示用于发送具有所述分组的分组的端口的标识符 地址作为目的地，包括控制分组处理块，用于检测从已经检测到故障的中继器发送的故障通知分组的接收以及在从紧邻的中继器接收到故障通知分组时更新的控制块的端口标识符 所述发送端口数据库具有已经接收到所述故障通知分组的端口的端口标识符到连接到另一个紧邻的中继器的端口的端口标识符。
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公开(公告)号：US20060215544A1
公开(公告)日：2006-09-28
申请号：US11235576
申请日：2005-09-27
申请人： Akihiro Asa , Kenichi Kawarai , Hideji Abe , Osamu Tsurumi , Hiroyuki Kaneko
发明人： Akihiro Asa , Kenichi Kawarai , Hideji Abe , Osamu Tsurumi , Hiroyuki Kaneko
CPC分类号： H04L12/42 , H04L12/40013 , H04L12/4013 , H04L12/40169 , H04L12/437 , H04L45/02
摘要： A repeater and method provides a technique to minimize congestion and packet loss, which may be generated when a fault is detected in a ring type packet network or when the network recovers from such a fault. A repeater having a plurality of ports for transmitting and receiving packets in a ring type network for transmitting the received packets on the basis of an address included in a received packet and a transmitting port database indicating an identifier of a port to transmit the packet having the address as the destination, comprises a control packet processing block to detect reception of a fault notifying packet transmitted from a repeater having detected a fault and a control block to update, upon reception of the fault notifying packet from an immediately adjacent repeater, a port identifier of the transmitting port database having a port identifier of the port having received said fault notifying packet into a port identifier of a port connected to another immediately adjacent repeater.
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公开(公告)号：US07440397B2
公开(公告)日：2008-10-21
申请号：US10942191
申请日：2004-09-16
申请人： Osamu Tsurumi , Kenichi Kawarai , Akio Endou , Kazukuni Ugai , Akihiro Asa
发明人： Osamu Tsurumi , Kenichi Kawarai , Akio Endou , Kazukuni Ugai , Akihiro Asa
IPC分类号： H04J1/16
CPC分类号： H04L12/437 , H04L67/14 , H04L69/40
摘要： A data relay apparatus stores identification information for identifying itself. A blocking unit blocks a port to avoid an occurrence of a loop path if the data relay apparatus is a master node, and blocks a port connected to a link of the data relay apparatus if a failure occurs to the link. When the link is restored from the failure, a comparing unit compares identification information of other apparatus connected to the link, with the identification information stored. Based on a result of the comparison, a determining unit determines whether the data relay apparatus should be set as a master node.
摘要翻译： 数据中继装置存储用于识别自身的识别信息。 如果数据中继装置是主节点，则阻塞单元阻塞端口以避免出现循环路径，并且如果链路发生故障，则阻塞连接到数据中继装置的链路的端口。 当链接从故障恢复时，比较单元将连接到链路的其他设备的识别信息与存储的识别信息进行比较。 基于比较的结果，确定单元确定数据中继设备是否应当被设置为主节点。
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公开(公告)号：US20050207348A1
公开(公告)日：2005-09-22
申请号：US10942191
申请日：2004-09-16
申请人： Osamu Tsurumi , Kenichi Kawarai , Akio Endou , Kazukuni Ugai , Akihiro Asa
发明人： Osamu Tsurumi , Kenichi Kawarai , Akio Endou , Kazukuni Ugai , Akihiro Asa
IPC分类号： H04L12/437 , H04L12/26 , H04L29/08 , H04L29/14
CPC分类号： H04L12/437 , H04L67/14 , H04L69/40
摘要： A data relay apparatus stores identification information for identifying itself. A blocking unit blocks a port to avoid an occurrence of a loop path if the data relay apparatus is a master node, and blocks a port connected to a link of the data relay apparatus if a failure occurs to the link. When the link is restored from the failure, a comparing unit compares identification information of other apparatus connected to the link, with the identification information stored. Based on a result of the comparison, a determining unit determines whether the data relay apparatus should be set as a master node.
摘要翻译： 数据中继装置存储用于识别自身的识别信息。 如果数据中继装置是主节点，则阻塞单元阻塞端口以避免出现循环路径，并且如果链路发生故障，则阻塞连接到数据中继装置的链路的端口。 当链接从故障恢复时，比较单元将连接到链路的其他设备的识别信息与存储的识别信息进行比较。 基于比较的结果，确定单元确定数据中继设备是否应当被设置为主节点。
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6.发明授权Method and apparatus for keeping track of virtual LAN topology in network of nodes 有权在节点网络中跟踪虚拟LAN拓扑的方法和装置公开(公告)号：US08027262B2
公开(公告)日：2011-09-27
申请号：US11050152
申请日：2005-02-03
IPC分类号： H04J3/14
CPC分类号： H04L45/26 , H04L12/4641 , H04L45/02
摘要： An arbitrary node that belongs to a virtual LAN sends a request packet including a count value indicating the number of communication hops across nodes to each of its adjacent nodes that belong to the virtual LAN and are adjacent. Upon receiving the request packet, each of the adjacent nodes sends the request packet in which the count value is incremented or decremented to each of its adjacent nodes that belong to the virtual LAN and are adjacent to the node, excluding a sender of the request packet received, and sends a reply packet including the sender's address, an address of the node that is a replying node, and the count value to a given return destination. The return destination collects reply packets sent thereto and keeps track of the topology of the nodes constituting the virtual LAN from information contained in the reply packets.
摘要翻译： 属于虚拟LAN的任意节点将包含指示跨越节点的通信跳数的计数值的请求分组发送给属于虚拟LAN并且相邻的每个相邻节点。 在接收到请求分组时，每个相邻节点发送请求分组，其中计数值递增或递减到属于虚拟LAN的每个相邻节点，并且与节点相邻，不包括请求分组的发送者 接收并发送包括发送方地址，作为应答节点的节点的地址和计数值的应答分组到给定的返回目的地。 返回目的地收集发送到其中的应答分组，并且从包含在应答分组中的信息中跟踪构成虚拟LAN的节点的拓扑。
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7.发明申请Method and apparatus for keeping track of virtual LAN topology in network of nodes 有权在节点网络中跟踪虚拟LAN拓扑的方法和装置公开(公告)号：US20050265356A1
公开(公告)日：2005-12-01
申请号：US11050152
申请日：2005-02-03
CPC分类号： H04L45/26 , H04L12/4641 , H04L45/02
摘要： An arbitrary node that belongs to a virtual LAN sends a request packet including a count value indicating the number of communication hops across nodes to each of its adjacent nodes that belong to the virtual LAN and are adjacent. Upon receiving the request packet, each of the adjacent nodes sends the request packet in which the count value is incremented or decremented, as predetermined, to each of its adjacent nodes that belong to the virtual LAN and are adjacent to the node, excluding a sender of the request packet received, and sends a reply packet including the sender's address (sender address), an address of the node that is a replying node (replying node address), and the count value to a given return destination. The return destination collects reply packets sent thereto and keeps track of the topology of the nodes constituting the virtual LAN from information contained in the reply packets.
摘要翻译： 属于虚拟LAN的任意节点将包含指示跨越节点的通信跳数的计数值的请求分组发送给属于虚拟LAN并且相邻的每个相邻节点。 在接收到请求分组时，每个相邻节点将计数值按预定的顺序递增或递减的请求分组发送到属于虚拟LAN并且与该节点相邻并且与该节点相邻的每个相邻节点，不包括发送者 并且发送包括发送方地址（发送方地址）的应答分组，作为应答节点的节点的地址（回复节点地址），并将计数值发送给给定的返回目的地。 返回目的地收集发送到其中的应答分组，并且从包含在应答分组中的信息中跟踪构成虚拟LAN的节点的拓扑。
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公开(公告)号：US20060182036A1
公开(公告)日：2006-08-17
申请号：US11155658
申请日：2005-06-20
申请人： Yasushi Sasagawa , Kenichi Kawarai , Masami Doukai , Kou Takatori
发明人： Yasushi Sasagawa , Kenichi Kawarai , Masami Doukai , Kou Takatori
摘要： A fault detection device capable of detecting network faults by itself with high accuracy in multi-vendor environments, without the need to interoperate with an associated device according to an identical protocol. A monitoring control packet transmitter generates a fault monitoring control packet and transmits the generated packet to the associated device with which the fault detection device need not interoperate to detect faults according to the same protocol. A transmit packet counter keeps count of the transmitted fault monitoring control packet. A receive packet counter receives a control packet transmitted from the associated device, and keeps count of the received control packet. A fault detector monitors the count of transmitted packets and the count of received packets and, if at least one of the counts remains unchanged for a fixed period of time, judges that a fault has occurred and sends a fault notification to outside.
摘要翻译： 一种故障检测装置，能够在多供应商环境中以高精度本身检测网络故障，而不需要根据相同协议与相关设备进行互操作。 监控控制分组发送机生成故障监控控制分组，并将生成的分组发送到故障检测设备不需要互操作的相关设备，以根据相同的协议检测故障。 发送分组计数器保持传输的故障监视控制分组的计数。 接收分组计数器接收从相关设备发送的控制分组，并且保持所接收的控制分组的计数。 故障检测器监控发送的数据包的计数和接收的数据包的计数，如果至少一个计数在一段固定的时间内保持不变，则判断发生了故障，并向外部发送故障通知。
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公开(公告)号：US07058751B2
公开(公告)日：2006-06-06
申请号：US09942980
申请日：2001-08-30
申请人： Kenichi Kawarai , Hiroshi Tomonaga , Naoki Matsuoka , Masakatsu Nagata , Tsuguo Kato , Tetsuaki Wakabayashi
发明人： Kenichi Kawarai , Hiroshi Tomonaga , Naoki Matsuoka , Masakatsu Nagata , Tsuguo Kato , Tetsuaki Wakabayashi
IPC分类号： G06F13/00
CPC分类号： H04L49/201 , H04L49/101 , H04L49/506
摘要： The packet switch performs a scheduling process by selecting a unicast packet or a multicast packet to be output from each of N input buffers such that input lines and output lines cannot conflict each other for a unicast packet, and such that the input lines cannot conflict each other for the multicast packet.
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10.发明授权公开(公告)号：US09166815B2
公开(公告)日：2015-10-20
申请号：US12723583
申请日：2010-03-12
申请人： Kenichi Kawarai , Mami Sekido
发明人： Kenichi Kawarai , Mami Sekido
IPC分类号： H04L12/42 , H04L12/46 , H04L12/801 , H04L12/24
CPC分类号： H04L12/42 , H04L12/4625 , H04L41/0654 , H04L47/10
摘要： A ring connection apparatus according to one embodiment is provided with: a frame receiver that receives frames to be transmitted to one of the plurality of ring networks from each of the plurality of networks; and a frame transmitter that transmits each of frames, a passing frame to be transmitted from a device to another device inside said one ring network and a crossing frame to be transmitted to a device in said one ring network from a device in another ring network different from said one ring network, to said one ring network within the range of a band, which is separately determined in advance.
摘要翻译： 根据一个实施例的环形连接装置设置有：帧接收器，其从多个网络中的每一个接收要发送到多个环形网络之一的帧; 以及帧发送器，其发送帧中的每一个，要从设备发送的通过帧到所述一个环形网络内的另一个设备，以及从另一个环形网络中的设备发送到所述一个环形网络中的设备的交叉帧 从所述一个环网到所述一个环网，其在预先分开确定的频带的范围内。
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