公开(公告)号：US08369223B2

公开(公告)日：2013-02-05

申请号：US12716632

申请日：2010-03-03

申请人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori ,  Kanta Yamamoto ,  Junichi Kawaguchi ,  Yuichiro Katsura

发明人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori ,  Kanta Yamamoto ,  Junichi Kawaguchi ,  Yuichiro Katsura

IPC分类号： H04J1/16

CPC分类号： H04L49/557 ,  H04L43/0811

摘要： A packet processing apparatus includes a plurality of communication connecting unit each connected with a communication partner apparatus using one of a work path and a protection path, connecting unit for connecting, using a data bus, the plurality of communication connecting unit with one another; determination unit for, when a packet sent from the communication partner apparatus is received by one of the communication connecting unit, determining whether the packet is a maintenance packet that is used for monitoring a connection state with the communication partner apparatus; and transmitting unit for, when it is determined that the packet is a maintenance packet by the determination unit, transmitting the maintenance packet to the plurality of communication connecting unit using the data bus via the connecting unit.

摘要翻译： 分组处理装置包括多个通信连接单元，每个通信连接单元使用工作路径和保护路径中的一个连接到通信对方设备，连接单元，用于使用数据总线将多个通信连接单元彼此连接; 确定单元，用于当从所述通信对方装置发送的分组被所述通信连接单元之一接收时，确定所述分组是否是用于监视与所述通信对方装置的连接状态的维护分组; 以及发送单元，当确定所述分组是所述确定单元的维护分组时，经由所述连接单元使用所述数据总线将所述维护分组发送到所述多个通信连接单元。

公开(公告)号：US20100246425A1

公开(公告)日：2010-09-30

申请号：US12716632

申请日：2010-03-03

申请人： Koji HACHIYA ,  Tetsuo Ehara ,  Yasuyuki Mitsumori ,  Kanta Yamamoto ,  Junichi Kawaguchi ,  Yuichiro Katsura

发明人： Koji HACHIYA ,  Tetsuo Ehara ,  Yasuyuki Mitsumori ,  Kanta Yamamoto ,  Junichi Kawaguchi ,  Yuichiro Katsura

IPC分类号： H04L12/26

CPC分类号： H04L49/557 ,  H04L43/0811

摘要： A packet processing apparatus includes a plurality of communication connecting unit each connected with a communication partner apparatus using one of a work path and a protection path, connecting unit for connecting, using a data bus, the plurality of communication connecting unit with one another; determination unit for, when a packet sent from the communication partner apparatus is received by one of the communication connecting unit, determining whether the packet is a maintenance packet that is used for monitoring a connection state with the communication partner apparatus; and transmitting unit for, when it is determined that the packet is a maintenance packet by the determination unit, transmitting the maintenance packet to the plurality of communication connecting unit using the data bus via the connecting unit.

摘要翻译： 分组处理装置包括多个通信连接单元，每个通信连接单元使用工作路径和保护路径中的一个连接到通信对方设备，连接单元，用于使用数据总线将多个通信连接单元彼此连接; 确定单元，用于当从所述通信对方装置发送的分组被所述通信连接单元之一接收时，确定所述分组是否是用于监视与所述通信对方装置的连接状态的维护分组; 以及发送单元，当确定所述分组是所述确定单元的维护分组时，经由所述连接单元使用所述数据总线将所述维护分组发送到所述多个通信连接单元。

公开(公告)号：US08089876B2

公开(公告)日：2012-01-03

申请号：US12554214

申请日：2009-09-04

申请人： Yuichiro Katsura ,  Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Yuichiro Katsura ,  Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： G01R31/08 ,  G06F11/00 ,  G08C15/00 ,  H04J1/16 ,  H04J3/14 ,  H04L1/00 ,  H04L12/26

CPC分类号： H04L47/25 ,  H04L41/00 ,  H04L47/10 ,  H04L47/2483 ,  H04L47/33

摘要： An aspect of the embodiments related to a packet transmission apparatus includes a user identification unit for identifying the user of an input user flow upon input of the user flow containing communication packets and maintenance packets, a maintenance packet extraction unit for extracting the maintenance packets from the user flow of the user identified by the user identification unit, a maintenance packet output control unit for controlling the transparent output of the maintenance packets extracted by the maintenance packet extraction unit based on the monitor rate setting, and a control unit for monitoring and controlling the user flow of the particular user based on the maintenance packets of the user transparently output by the maintenance packet output control unit.

摘要翻译： 与分组发送装置相关的实施例的一个方面包括用户识别单元，用于在输入包含通信分组和维护分组的用户流时识别输入用户流的用户;维护分组提取单元，用于从维护分组中提取维护分组 由用户识别单元识别的用户的用户流;维护分组输出控制单元，用于基于监视速率设置来控制由维护分组提取单元提取的维护分组的透明输出;以及控制单元，用于监视和控制 基于由维护分组输出控制单元透明地输出的用户的维护分组的特定用户的用户流。

公开(公告)号：US08493850B2

公开(公告)日：2013-07-23

申请号：US12894813

申请日：2010-09-30

申请人： Yuichiro Katsura ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Yuichiro Katsura ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： H04L12/26

CPC分类号： H04L49/552 ,  H04L45/38 ,  H04L45/745 ,  H04L47/10

摘要： A communication apparatus is connected to a network and identifies a flow of a frame input thereto and outputs the frame to a port. The communication apparatus includes: a flow identifying unit that obtains a flow identifier of the flow to which the frame belongs, and that obtains, based on the flow identifier, a hash rule corresponding to the flow identifier; a transfer destination controller that obtains by calculation a hash value of the frame by making use of the hash rule obtained by the flow identifying unit and that decides on an output port for the frame based on combination of the flow identifier and the hash value; and a frame output unit that outputs the frame to the output port decided by the transfer destination controller.

摘要翻译： 通信装置连接到网络并识别输入到其的帧的流，并将该帧输出到端口。 通信装置包括：流识别单元，其获得所述帧所属的流的流标识符，并且基于所述流标识符获得与所述流标识符相对应的哈希规则; 转移目的地控制器，其通过使用由所述流识别单元获得的所述散列规则通过计算获得所述帧的哈希值，并且基于所述流标识符和所述散列值的组合来决定所述帧的输出端口; 以及帧输出单元，其将帧输出到由转移目的地控制器决定的输出端口。

公开(公告)号：US20110075559A1

公开(公告)日：2011-03-31

申请号：US12894813

申请日：2010-09-30

申请人： Yuichiro KATSURA ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Yuichiro KATSURA ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： H04L12/26

CPC分类号： H04L49/552 ,  H04L45/38 ,  H04L45/745 ,  H04L47/10

摘要： A communication apparatus is connected to a network and identifies a flow of a frame input thereto and outputs the frame to a port. The communication apparatus includes: a flow identifying unit that obtains a flow identifier of the flow to which the frame belongs, and that obtains, based on the flow identifier, a hash rule corresponding to the flow identifier; a transfer destination controller that obtains by calculation a hash value of the frame by making use of the hash rule obtained by the flow identifying unit and that decides on an output port for the frame based on combination of the flow identifier and the hash value; and a frame output unit that outputs the frame to the output port decided by the transfer destination controller.

摘要翻译： 通信装置连接到网络并识别输入到其的帧的流，并将该帧输出到端口。 通信装置包括：流识别单元，其获得所述帧所属的流的流标识符，并且基于所述流标识符获得与所述流标识符相对应的哈希规则; 转移目的地控制器，其通过使用由所述流识别单元获得的所述散列规则通过计算获得所述帧的哈希值，并且基于所述流标识符和所述散列值的组合来决定所述帧的输出端口; 以及帧输出单元，其将帧输出到由转移目的地控制器决定的输出端口。

公开(公告)号：US20110317551A1

公开(公告)日：2011-12-29

申请号：US13165898

申请日：2011-06-22

申请人： Koji HACHIYA ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Koji HACHIYA ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： H04L12/24 ,  H04L12/56

CPC分类号： H04L45/22 ,  H04L45/28 ,  H04L47/2458

摘要： A communication device includes a processor that is operative to perform actions, including, determining whether a failure occurs in a regular communication channel to transmit a packet to another communication device, selecting, upon determining that the failure occurs in the regular communication channel, a backup communication channel for transmitting the packet, determining, upon selecting the backup communication channel, whether the backup communication channel is shared by the regular communication channel and another regular communication channel, changing, upon determining that the backup communication channel is shared, a priority assigned to the packet transmitted from the regular communication channel to the backup communication channel, and controlling the transmission of the packet in accordance with the changed priority.

摘要翻译： 一种通信设备包括一个可操作以执行动作的处理器，包括：确定是否在常规通信信道中发生故障，以将数据包发送到另一个通信设备;在确定在常规通信信道中发生故障时，选择备份 用于发送分组的通信信道，在选择备份通信信道时，确定备用通信信道是否由常规通信信道和另一常规通信信道共享，在确定备份通信信道被共享时改变分配给 所述分组从所述常规通信信道发送到所述备份通信信道，并且根据改变的优先级来控制所述分组的传输。

公开(公告)号：US20080232375A1

公开(公告)日：2008-09-25

申请号：US12049496

申请日：2008-03-17

申请人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： H04L12/56

CPC分类号： H04L45/22 ,  H04L43/00 ,  H04L43/026 ,  H04L43/0817 ,  H04L45/02 ,  H04L45/28 ,  H04L45/38 ,  H04L45/50 ,  H04L45/70 ,  H04L47/11 ,  H04L47/12

摘要： There is provided a packet transmission device which comprises a packet transfer processing part and a control part. The packet transfer processing part includes a table memory comprising a path selection table, a link status table, and a node status table. In these tables, information of each of paths, links, and nodes are stored and linked each other. A link/node status monitoring part in the control part monitors a packet outputted from the packet transfer processing part transmission and detects a fault occurred in a transmission of the packet. The fault is reflected on the information of paths in the tables only by updating the information of links and nodes and the path for packets outputted from the device is assigned in a short time.

摘要翻译： 提供了一种分组传输设备，其包括分组传送处理部分和控制部分。 分组传送处理部分包括表存储器，其包括路径选择表，链路状态表和节点状态表。 在这些表中，每个路径，链接和节点的信息被彼此存储和链接。 控制部中的链路/节点状态监视部分监视从分组传送处理部分传输输出的分组，并检测分组的传输中发生的故障。 通过更新链路和节点的信息，故障反映在表中路径的信息上，并且在短时间内分配从设备输出的分组的路径。

公开(公告)号：US09118580B2

公开(公告)日：2015-08-25

申请号：US13165898

申请日：2011-06-22

申请人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： H04L12/707 ,  H04L12/703 ,  H04L12/833

CPC分类号： H04L45/22 ,  H04L45/28 ,  H04L47/2458

摘要： A communication device includes a processor that is operative to perform actions, including, determining whether a failure occurs in a regular communication channel to transmit a packet to another communication device, selecting, upon determining that the failure occurs in the regular communication channel, a backup communication channel for transmitting the packet, determining, upon selecting the backup communication channel, whether the backup communication channel is shared by the regular communication channel and another regular communication channel, changing, upon determining that the backup communication channel is shared, a priority assigned to the packet transmitted from the regular communication channel to the backup communication channel, and controlling the transmission of the packet in accordance with the changed priority.

摘要翻译： 一种通信设备包括一个可操作以执行动作的处理器，包括：确定是否在常规通信信道中发生故障，以将数据包发送到另一个通信设备;在确定在常规通信信道中发生故障时，选择备份 用于发送分组的通信信道，在选择备份通信信道时，确定备用通信信道是否由常规通信信道和另一常规通信信道共享，在确定备份通信信道被共享时改变分配给 所述分组从所述常规通信信道发送到所述备份通信信道，并且根据改变的优先级来控制所述分组的传输。

公开(公告)号：US08750092B2

公开(公告)日：2014-06-10

申请号：US12049496

申请日：2008-03-17

申请人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： H04L12/26

CPC分类号： H04L45/22 ,  H04L43/00 ,  H04L43/026 ,  H04L43/0817 ,  H04L45/02 ,  H04L45/28 ,  H04L45/38 ,  H04L45/50 ,  H04L45/70 ,  H04L47/11 ,  H04L47/12

摘要： There is provided a packet transmission device which comprises a packet transfer processing part and a control part. The packet transfer processing part includes a table memory comprising a path selection table, a link status table, and a node status table. In these tables, information of each of paths, links, and nodes are stored and linked each other. A link/node status monitoring part in the control part monitors a packet outputted from the packet transfer processing part transmission and detects a fault occurred in a transmission of the packet. The fault is reflected on the information of paths in the tables only by updating the information of links and nodes and the path for packets outputted from the device is assigned in a short time.

摘要翻译： 提供了一种分组传输设备，其包括分组传送处理部分和控制部分。 分组传送处理部分包括表存储器，其包括路径选择表，链路状态表和节点状态表。 在这些表中，每个路径，链接和节点的信息被彼此存储和链接。 控制部中的链路/节点状态监视部分监视从分组传送处理部分传输输出的分组，并检测分组的传输中发生的故障。 通过更新链路和节点的信息，故障反映在表中路径的信息上，并且在短时间内分配从设备输出的分组的路径。

公开(公告)号：US20100265831A1

公开(公告)日：2010-10-21

申请号：US12827456

申请日：2010-06-30

申请人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

发明人： Koji Hachiya ,  Tetsuo Ehara ,  Yasuyuki Mitsumori

IPC分类号： H04L12/26 ,  H04L12/56

CPC分类号： H04L49/3009

摘要： A packet forwarding device includes a storage that stores a path selection table in which link numbers of a Work path and a Protection path for each flow number of a transfer packet, a flag that indicates whether the link is made up of a plurality of physical lines, a link aggregation number that identifies an aggregation of the plurality of physical lines, and destination information are set in association with one another, a link status table, a node status table, and an LAG status table, and a path selection processor that selects a path that outputs the packet on the basis of the information.

摘要翻译： 分组转发装置包括存储路径选择表的存储器，其中传送分组的每个流数的工作路径和保护路径的链接号，指示链路是否由多条物理线组成的标志 链路状态表，节点状态表，LAG状态表，以及路径选择处理器，其中，路径选择处理器，选择了多个物理线路的聚合，链路聚合号码，目的地信息， 基于信息输出分组的路径。