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1. 发明授权

US06765863B1 Network system 失效
标题翻译：网络系统
公开(公告)号：US06765863B1
公开(公告)日：2004-07-20
申请号：US09712858
申请日：2000-11-15
申请人： Takeshi Wakimoto , Masahiko Ohashi
发明人： Takeshi Wakimoto , Masahiko Ohashi
IPC分类号： G01R3108
CPC分类号： H04J3/0641 , H04L12/5601 , H04L45/12 , H04L45/122 , H04L2012/5674
摘要： A network system composed of a master network synchronization device and a slave network synchronization device. A master network synchronization device transmits hop count information. A slave network synchronization device receives the hop count information from an adjoining network synchronization device, determines a minimum hop count between the device itself and the master network synchronization device based on the hop count information, transmits the minimum hop count as the hop count information, and extracts a clock from the route from which the minimum hop count is received. Also, each of the network synchronization devices can be provided with the second master network synchronization device besides the first master network synchronization device, so that when a system failure occurs in the first master network synchronization device, the second master network synchronization device which detects the system failure performs the operation of a network synchronization master instead of the first master network synchronization device.
摘要翻译：由主网同步装置和从网同步装置构成的网络系统。主网同步装置发送跳计数信息。从网络同步装置接收来自相邻网络同步装置的跳数信息，根据跳数信息确定装置本身与主网同步装置之间的最小跳数，发送最小跳数作为跳计数信息，并从接收到最小跳数的路由提取时钟。此外，除了第一主网络同步装置之外，也可以将每个网络同步装置设置有第二主网络同步装置，使得当在第一主网络同步装置中发生系统故障时，第二主网络同步装置检测系统故障执行网络同步主机而不是第一个主网络同步设备的操作。

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