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    • 2. 发明申请
    • COMMUNICATION NODE AND COMMUNICATION SYSTEM
    • 通信节点和通信系统
    • US20130003525A1
    • 2013-01-03
    • US13611288
    • 2012-09-12
    • Machiko ASAIEKazuhiro KUSAMANaomichi NONAKA
    • Machiko ASAIEKazuhiro KUSAMANaomichi NONAKA
    • H04L12/26H04L29/14
    • G06F11/1443H04L41/0654H04L41/0677
    • Communication node including a transmission equipment which communicates user data with transmission equipment of an adjacent node, and a controller which communicates a message with a controller of the adjacent node and which manages the transmission equipment of its own node, wherein: a controller of the node detects existence or nonexistence of fault of a controller of the adjacent node on the basis of situation of receiving a message sent from the controller of the adjacent node; when the controller of the node detects the fault of the controller of the adjacent node, the controller of the node issues a state reference notice to a transmission equipment of its own node and checks existence or nonexistence of fault alert detection; in a case where the fault alert detection of the transmission equipment of the node does not exist, the controller of the node maintains a path state of the node.
    • 通信节点包括将用户数据与相邻节点的传输设备进行通信的传输设备,以及与邻接节点的控制器通信消息并管理其自身节点的传输设备的控制器,其中:节点的控制器 基于接收从相邻节点的控制器发送的消息的情况,检测相邻节点的控制器的故障的存在或不存在; 当节点的控制器检测到相邻节点的控制器的故障时,节点的控制器向其自身节点的传输设备发出状态参考通知,并检查故障警报检测的存在或不存在; 在不存在节点的传输设备的故障警报检测的情况下,节点的控制器维护节点的路径状态。
    • 4. 发明授权
    • Route control method of label switch path
    • 标签交换路径的路由控制方法
    • US07852758B2
    • 2010-12-14
    • US11166076
    • 2005-06-27
    • Kenji KataokaKazuhiro Kusama
    • Kenji KataokaKazuhiro Kusama
    • G01R31/08H04L12/28
    • H04L47/825H04L45/04H04L45/22H04L45/28H04L45/308H04L45/34H04L45/50H04L45/507H04L47/70H04L47/724
    • In generation of an MPLS path which extends over plural routing areas or generation of a GMPLS path of a single routing area, a path originating node cannot conduct route computation of the whole path. Therefore, where plural paths are generated, there is a problem that reliability and communication quality cannot be secured. In a label switch path generation processing intended for MPLS and GMPLS networks, a path originating node is provided with a unit for setting restricted link information in a label allocation request message and sending it, and a node having received the label allocation request message is provided with a unit for selecting another route, which does not pass through the restricted link according to the restricted link information, and generating a path.
    • 在生成跨越多个路由区域或生成单个路由区域的GMPLS路径的MPLS路径时,路径始发节点不能进行整个路径的路由计算。 因此,在产生多个路径的情况下,存在无法确保可靠性和通信质量的问题。 在针对MPLS和GMPLS网络的标签交换路径生成处理中,路径始发节点设置有用于在标签分配请求消息中设置受限链路信息并发送的单元,并且提供已经接收到标签分配请求消息的节点 具有用于根据受限链接信息选择不通过受限链路的另一路由的单元,以及生成路径。
    • 7. 发明申请
    • ROUTING FAILURE RECOVERY MECHANISM FOR NETWORK SYSTEMS
    • 网络系统的路由故障恢复机制
    • US20080049610A1
    • 2008-02-28
    • US11838555
    • 2007-08-14
    • Pinai LINWONGKazuhiro Kusama
    • Pinai LINWONGKazuhiro Kusama
    • G08C15/00
    • H04Q3/0025H04Q3/0079
    • A network unit for exchanging control messages with a remote network unit through a communication path to be established in a network. The network unit enables recovery of failures whether they occur in any of one way links, both-way links. The network unit also enables recovery of node failures to occur in a GMPLS network. The network decides whether or not it is possible to bypass all failure-occurred links detected in the communication path by switching the communication path to another by itself. When it is possible, the network unit detects the switching state of a downward segment that can bypass all those failure-occurred links. If the communication path is already switched or being switched in the downward segment, the network unit cancels the switching. If the communication path is not switched nor being switched in the downward segment, the network unit switches the communication path to a bypass route.
    • 用于通过要在网络中建立的通信路径与远程网络单元交换控制消息的网络单元。 网络单元可以恢复故障,无论它们是以任何一种方式链接,双向链路发生。 网络单元还能够恢复在GMPLS网络中发生的节点故障。 通过将通信路径本身切换到另一个,网络决定是否可以绕过在通信路径中检测到的所有发生故障的链路。 当有可能时,网络单元检测到可以绕过所有这些发生故障的链路的向下段的切换状态。 如果通信路径已经切换或正在向下切换,则网络单元取消切换。 如果通信路径没有被切换并且在下行段中没有切换,则网络单元将通信路径切换到旁路路由。
    • 8. 发明授权
    • Service reservation system
    • 服务预约系统
    • US07328167B1
    • 2008-02-05
    • US09635630
    • 2000-08-10
    • Kazuhiro KusamaKazuko HamaguchiKenichi Yoshida
    • Kazuhiro KusamaKazuko HamaguchiKenichi Yoshida
    • G06Q10/00
    • G06Q10/02H04L47/70H04L47/805H04L47/808H04L47/821H04L47/826
    • The degree of users' satisfaction concerning the utilization of services and the utilization efficiency of resources used for the services are optimized. The service reservation management computers deny based on the degree of importance as a standard, which increases in proportion to a level of a load of resources utilized for the service supplied by a high function network, a reservation booking request which has a degree of importance not higher than the standard, and which was received from an end user's computer via a service supply management computer, even when an amount of resources used for the service in a case where the reservation is accepted with the service then executed in accordance with the reservation booking request does not exceed an amount of resources utilizable for the service.
    • 优化了用户对服务使用的满意程度和服务使用资源的利用效率。 服务预约管理计算机根据作为标准的重要程度而拒绝,其与用于由高功能网络提供的服务的资源负载的级别成比例地增加,具有不重要程度的预约请求 高于标准,并且通过服务供应管理计算机从终端用户的计算机接收到的,即使在根据预约预约执行该服务接受服务的情况下用于服务的资源的数量 请求不超过可用于该服务的资源量。