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    • 7. 发明专利
    • Node apparatus, processing unit and control frame processing method
    • 节点装置,处理单元和控制框处理方法
    • JP2010283688A
    • 2010-12-16
    • JP2009136563
    • 2009-06-05
    • Fujitsu Ltd富士通株式会社
    • KANO SHINYA
    • H04L12/707H04L12/70H04L12/711H04L12/855
    • H04J3/14H04J2203/006H04L12/40182H04L12/437H04L43/0811H04L47/10H04L49/351H04L49/557
    • PROBLEM TO BE SOLVED: To switch a path for transmitting a control frame for controlling protection switching in a redundant path between two node apparatuses in linear protection switching. SOLUTION: A node apparatus includes: a monitoring section for monitoring whether or not a control frame is received via an active path; a monitoring stop section which causes the monitoring section to stop processing for monitoring whether or not a control frame is received via an active path before switching when the active system and a reserve system of redundant paths are switched; a transmission stop determining section for determining whether or not a counter-party node apparatus stops the transmission processing of a control frame via an active path after switching; and a monitor starting section which causes the monitoring section to start monitor processing for monitoring whether or not a control frame is received via the active path after switching when the counter-party node apparatus stops the transmission processing of the control frame via the active path after switching. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:在线路保护切换中,在两个节点设备之间切换用于发送用于控制冗余路径中的保护倒换的控制帧的路径。 解决方案:节点装置包括:监视部分,用于监视是否经由有效路径接收到控制帧; 监视停止部,其使得所述监视部停止处理,用于在所述活动系统和所述冗余路径的预留系统切换之后,在切换之前通过所述主动路径来监视所述控制帧是否被接收; 传输停止确定部分,用于确定对方节点设备是否在切换之后通过有效路径停止控制帧的传输处理; 以及监视开始部,其使得所述监视部开始监视处理,以在所述对方节点装置经过所述主动路径之后经由所述主动路径停止所述控制帧的发送处理之后切换时经由所述有效路径接收到控制帧。 交换。 版权所有(C)2011,JPO&INPIT