Path modifying method, label switching node and administrative node in label transfer network
    1.
    发明授权
    Path modifying method, label switching node and administrative node in label transfer network 有权
    路径修改方法,标签交换节点和标签传输网络中的管理节点

    公开(公告)号:US07209434B2

    公开(公告)日:2007-04-24

    申请号:US10108966

    申请日:2002-03-28

    IPC分类号: G01R31/08

    摘要: In a label transfer network, an ingress node positioned at an upstream side end of a partial section of a first data transfer path (old path) transmits a path modify request, and an egress node positioned at a downstream side end of the partial section returns a label allocation request on a detour path (new path) to the ingress node in response to reception of the path modify request for implementing partial path modification from the old path to the new path. This enables the partial path modification with only a node bearing relation to the path modification, thus shortening the time needed for the path modification and suppressing an increase in extra control traffic for a node having no relation to the path modification.

    摘要翻译: 在标签传送网络中,位于第一数据传输路径(旧路径)的部分部分的上游侧端的入口节点发送路径修改请求,并且位于部分部分的下游侧的出口节点返回 响应于接收到用于实现从旧路径到新路径的部分路径修改的路径修改请求,到进入节点的迂回路径(新路径)上的标签分配请求。 这使得仅部分路径修改仅具有与路径修改相关联的节点,从而缩短了路径修改所需的时间并且抑制了与路径修改无关的节点的额外控制流量的增加。

    Network design device
    2.
    发明申请
    Network design device 失效
    网络设计装置

    公开(公告)号:US20050220136A1

    公开(公告)日:2005-10-06

    申请号:US11098712

    申请日:2005-04-04

    IPC分类号: H04J3/16 H04J14/02

    摘要: A network design device includes: a division section for dividing a network having a plurality of channels and branch nodes into a plurality of linear partial networks using a predetermined terminating node or each branch node as the terminating nodes by allocating a device terminating one or more channels to be used to the terminating node and each branch node; an allocation unit for allocating a linear relay device and/or a reproduction relay device to a node constituting each partial networks to which a device has been allocated by the allocation unit; and a deletion unit for deleting a device terminating the channel allocated to the branch node for each path formed by the path formation unit according to the signal performance.

    摘要翻译: 网络设计装置包括:分割部分,用于通过分配终止一个或多个信道的设备,将具有多个信道和分支节点的网络划分为多个线性部分网络,使用预定终止节点或每个分支节点作为终止节点 用于终止节点和每个分支节点; 分配单元,用于将线性中继设备和/或再现中继设备分配给构成分配单元已经分配了设备的每个部分网络的节点; 以及删除单元,用于根据信号性能,删除由路径形成单元形成的每个路径分配给分支节点的信道的设备。

    Communication device and communication method
    3.
    发明授权
    Communication device and communication method 有权
    通信设备和通信方法

    公开(公告)号:US08594127B2

    公开(公告)日:2013-11-26

    申请号:US12570253

    申请日:2009-09-30

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: H04J3/16

    CPC分类号: H04L45/00 H04L45/68

    摘要: A communication device includes: a transmission label table storage that stores a transmission label table that holds pseudo wire labels for each header information of Ethernet (standardized by IEEE 802.3 committee) frames; and an encapsulation unit that deletes the header information from the Ethernet (standardized by IEEE 802.3 committee) frame, adds a pseudo wire label and an MPLS tunnel label to the Ethernet (standardized by IEEE 802.3 committee) frame and transmits a packet to an MPLS network via a pseudo wire, when the header information of the received Ethernet (standardized by IEEE 802.3 committee) frame agrees with the header information held in the transmission label table.

    摘要翻译: 通信装置包括:发送标签表存储,其存储保存以太网的每个报头信息(由IEEE 802.3委员会标准化)帧的伪线标签的发送标签表; 以及从以太网(由IEEE 802.3委员会标准化)帧中删除报头信息的封装单元,向以太网(由IEEE 802.3委员会标准化)帧添加伪有线标签和MPLS隧道标签,并将数据包发送到MPLS网络 当接收到的以太网(由IEEE 802.3委员会标准化)帧的报头信息与保持在传输标签表中的报头信息一致时,经由伪线。

    Path setting method and communication apparatus in communication network performing communications through a plurality of layers
    4.
    发明授权
    Path setting method and communication apparatus in communication network performing communications through a plurality of layers 有权
    通信网络中的路径设定方法和通信装置,通过多层进行通信

    公开(公告)号:US07710883B2

    公开(公告)日:2010-05-04

    申请号:US11151326

    申请日:2005-06-13

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: G01R31/08 H04L12/28

    CPC分类号: H04L45/00

    摘要: A path setting method enabling utilization of request information from a user in a communication network having a path of a higher layer and a path of a lower layer formed in a hierarchy and performing communication between one communication apparatus and another communication apparatus for which a path is set by repeating through another communication apparatus. This method has a step of judging a possibility of reaching the destination communication apparatus in the higher layer, judged in the communication apparatus existing in the middle of the path, a step of transmitting a lower layer path setting request message obtained by further adding route designating information and bandwidth information in a higher layer path setting request message when it is judged there is no possibility of reaching the apparatus, and a step of notifying the transmitted lower layer path setting request message to each communication apparatus on the route reaching the destination communication apparatus.

    摘要翻译: 一种路径设置方法,其能够利用来自具有较高层的路径的通信网络中的用户的请求信息和在层级中形成的下层的路径,并且在一个通信设备和路径的另一通信设备之间进行通信 通过另一个通信设备重复设置。 该方法具有以下步骤:判断在路径中间存在的通信装置中判断出的更高层中的目的地通信装置的可能性,通过进一步添加路由指定而获得的下层路径设置请求消息的步骤 当判断不可能到达设备时,在较高层路径设置请求消息中的信息和带宽信息,以及在到达目的地通信设备的路由上通知发送的下层路径设置请求消息到每个通信设备的步骤 。

    Frame transmission device and synchronization method
    5.
    发明授权
    Frame transmission device and synchronization method 有权
    帧传输设备和同步方法

    公开(公告)号:US08837532B2

    公开(公告)日:2014-09-16

    申请号:US13600990

    申请日:2012-08-31

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: H04J3/06 H04L12/26

    摘要: A frame transmission device includes: a clock section; a path control section to switch a plurality of transmission paths for exchanging a time synchronization frame with a node device that measures a reference time; a fluctuation estimation section to set a fluctuation estimate of a transmission delay of the time synchronization frame on each of the plurality of transmission paths; and a time synchronization section to synchronize the clock section to the reference time in accordance with a time synchronization frame exchanged on a selected transmission path selected from among the plurality of transmission paths based on the fluctuation estimate.

    摘要翻译: 帧发送装置包括:时钟部; 路径控制部分,用于切换用于与测量参考时间的节点设备交换时间同步帧的多个传输路径; 波动估计部分,用于设置多个传输路径中的每一个上的时间同步帧的传输延迟的波动估计; 以及时间同步部,其基于所述波动估计,根据从所述多个传输路径中选择的选择的传输路径交换的时间同步帧,将所述时钟部分与所述参考时间同步。

    Virtual private network apparatus for providing VPN services to connect plural bases
    6.
    发明授权
    Virtual private network apparatus for providing VPN services to connect plural bases 有权
    用于提供VPN服务以连接多个基站的虚拟专用网络设备

    公开(公告)号:US08559441B2

    公开(公告)日:2013-10-15

    申请号:US12040069

    申请日:2008-02-29

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: H04L12/28

    摘要: A VPN apparatus is included in a VPN system with other VPN apparatuses to interconnect bases including first bases each having an access line and a second base having at least two access lines. The VPN apparatus comprises a first virtual VPN apparatus and a second virtual VPN apparatus. The first virtual VPN apparatus is connected to one of the first bases via an access line and carries out frame forwarding by using a first forwarding table for forwarding frames to be transmitted/received between two first bases or between one first base and one second base. The second virtual VPN apparatus is connected to the second base via one of the at least two access lines, carries out frame forwarding by using a second forwarding table for forwarding frames to be transmitted/received between at least two bases including the second base, and does not carry out forwarding frames to one of the other VPN apparatuses that is connected to the second base via another one of the at least two access lines.

    摘要翻译: VPN设备包括在与其他VPN设备的VPN系统中,以互连基站,包括每个具有接入线路的第一基站和具有至少两条接入线路的第二基站。 VPN装置包括第一虚拟VPN装置和第二虚拟VPN装置。 第一虚拟VPN设备经由接入线路连接到第一基站中的一个,并且通过使用用于转发要在两个第一基站之间或第一基站与第二基站之间发送/接收的帧的第一转发表来执行帧转发。 所述第二虚拟VPN装置经由所述至少两条接入线中的一条连接到所述第二基站,通过使用第二转发表来执行帧转发,所述第二转发表用于在包括所述第二基站的至少两个基站之间转发要发送/接收的帧,以及 不对通过至少两条接入线中的另一个连接到第二基站的其他VPN设备之一进行转发帧。

    NODE DEVICE, COMMUNICATION SYSTEM AND TIME SYNCHRONIZATION METHOD
    7.
    发明申请
    NODE DEVICE, COMMUNICATION SYSTEM AND TIME SYNCHRONIZATION METHOD 审中-公开
    节点设备,通信系统和时间同步方法

    公开(公告)号:US20130010814A1

    公开(公告)日:2013-01-10

    申请号:US13532207

    申请日:2012-06-25

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: H04J3/06

    摘要: A node device that conducts time synchronization processing, the node device including: a processor configured to measure a reception time of a time synchronization message transmitted addressed to another node device from a master node device, the time synchronization message including information of a transmission time from the master node device, to detect the time synchronization message, and extracts information of the transmission time from the detected time synchronization message, and to correct a time in the processor based on the extracted information of the transmission time and the information of the reception time, and a transmitter configured to forward the time synchronization message to the another node device when the time synchronization message received by a receiver addressed to the another node device.

    摘要翻译: 一种执行时间同步处理的节点设备,所述节点设备包括:被配置为测量从主节点设备发送到另一节点设备的时间同步消息的接收时间的处理器,所述时间同步消息包括从 主节点设备,用于检测时间同步消息,并从检测到的时间同步消息中提取传输时间的信息,并且基于所提取的传输时间的信息和接收时间的信息来校正处理器中的时间 以及发射机,被配置为当由寻址到另一节点设备的接收机接收的时间同步消息时,将时间同步消息转发到另一节点设备。

    Communication apparatus in label switching network
    8.
    发明授权
    Communication apparatus in label switching network 有权
    标签交换网络中的通信设备

    公开(公告)号:US08121138B2

    公开(公告)日:2012-02-21

    申请号:US12412861

    申请日:2009-03-27

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: H04L12/28

    摘要: In a label switching network using a plurality of labels, a communication apparatus receives signaling information for setting a first label switching tunnel. This signaling information includes one or more values of one or more labels representing one or more pseudowires accommodated in a first label switching tunnel, the bandwidth information of the pseudowire, and the bandwidth-sharing identifier. A bandwidth management table holding correspondence relationships between values of a plurality of labels, the bandwidth information, and the bandwidth-sharing identifiers are generated. One or more second label switching tunnels may be accommodated instead of one or more pseudowires.

    摘要翻译: 在使用多个标签的标签交换网络中,通信装置接收用于设置第一标签交换隧道的信令信息。 该信令信息包括表示在第一标签交换隧道中容纳的一个或多个伪线,伪线的带宽信息和带宽共享标识符的一个或多个标签的一个或多个值。 产生保持多个标签的值之间的对应关系的带宽管理表,带宽信息和带宽共享标识符。 可以容纳一个或多个第二标签交换隧道而不是一个或多个伪线。

    COMMUNICATION APPARATUS IN LABEL SWITCHING NETWORK
    9.
    发明申请
    COMMUNICATION APPARATUS IN LABEL SWITCHING NETWORK 审中-公开
    标签交换网络中的通信设备

    公开(公告)号:US20100158033A1

    公开(公告)日:2010-06-24

    申请号:US12713394

    申请日:2010-02-26

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: H04L12/56

    摘要: In a label switching network using a plurality of labels including first and second labels, a communication apparatus receives a packet having the plurality of labels, and determines an output destination of the packet in accordance with the first label of the plurality of labels. Additionally, the communication apparatus sorts the packet to one of a plurality of packet queues in accordance with a combination of the first and the second labels of the plurality of labels, and reads and multiplexes packets from the plurality of packet queues.

    摘要翻译: 在使用包括第一和第二标签的多个标签的标签交换网络中,通信装置接收具有多个标签的分组,并且根据多个标签的第一标签来确定分组的输出目的地。 另外,通信装置根据多个标签的第一和第二标签的组合将分组分类到多个分组队列之一,并且读取并复用来自多个分组队列的分组。

    Path route modification method and switching system using the same
    10.
    发明授权
    Path route modification method and switching system using the same 有权
    路径修改方法和使用相同的交换系统

    公开(公告)号:US07024113B2

    公开(公告)日:2006-04-04

    申请号:US10033213

    申请日:2001-12-28

    申请人: Masatake Miyabe

    发明人: Masatake Miyabe

    IPC分类号: H04B10/00

    CPC分类号: H04L45/50 H04L45/00 H04L45/22

    摘要: A path route modification method and a switching system using the method enable to prevent duplicated label setting in the route modification performed in a network. For switching system, a packet switching system disclosed includes a table for mapping either an input label value or a set of input label value and input port to an output port and an output label, wherein a state variable is set for either the input label value or the set of input label value and input port mapped in the table to represent either of the three states of ‘not reserved’, ‘reserved’, and ‘double reserved’; and a packet switch for packet-switching packet data according to the information mapped in the table.

    摘要翻译: 路径修改方法和使用该方法的交换系统能够防止在网络中执行的路由修改中的重复标签设置。 对于切换系统,公开的分组交换系统包括用于将输入标签值或一组输入标签值和输入端口映射到输出端口和输出标签的表格,其中状态变量被设置为输入标签值 或表中映射的输入标签值和输入端口集合以表示“未预留”,“预留”和“双重保留”的三种状态之一; 以及根据映射在表中的信息来分组交换分组数据的分组交换机。