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1. 发明申请

US20150215108A1 METHOD AND DEVICE FOR DETECTING 1588 TIME ERROR BETWEEN NETWORK ELEMENTS 有权
标题翻译：用于检测1588网络元素之间的时间错误的方法和设备
公开(公告)号：US20150215108A1
公开(公告)日：2015-07-30
申请号：US14356205
申请日：2012-04-18
申请人： Jianxin XU , Li HE , ZTE CORPORATION
发明人： Jianxin Xu , Li He
IPC分类号： H04L7/00
CPC分类号： H04L7/0016 , H04J3/0667 , H04J3/14 , H04L41/064 , H04L43/106
摘要： A method and a device for detecting a 1588 time error between network elements are disclosed. The method includes: a 1588 time network is established for an entire network; when it is required to detect a 1588 time error between a network element and its opposite network element, the network elements transmit, probe packets, each including a local timestamp to each other; and the network element receiving a probe packet calculates, according to a preset time difference algorithm, a time difference between the local timestamp and the timestamp in the probe packet, determines, according to the time difference, whether there is a failure in a detection path, and reports an alarm when there is a failure in the detection path. The disclosure prevents erroneous time transmission due to the time error, thus ensuring the network stability.
摘要翻译：公开了一种用于检测网络元件之间的1588时间误差的方法和装置。该方法包括：为整个网络建立1588时间网络; 当需要检测网元与其相对网元之间的1588时间误差时，网元将每个包含本地时间戳的探测包发送给彼此; 并且接收探测分组的网络单元根据预设的时差算法，计算探测分组中的本地时间戳与时间戳之间的时间差，根据时差确定检测路径中是否存在故障，并在检测路径出现故障时报告。本公开防止由于时间错误而导致错误的时间传输，从而确保网络的稳定性。

2. 发明授权

US09331837B2 Method and device for detecting 1588 time error between network elements 有权
标题翻译：用于检测网络元件之间1588时间误差的方法和装置
公开(公告)号：US09331837B2
公开(公告)日：2016-05-03
申请号：US14356205
申请日：2012-04-18
申请人： Jianxin Xu , Li He
发明人： Jianxin Xu , Li He
IPC分类号： G01R31/08 , H04L7/00 , H04J3/14 , H04L12/26 , H04L12/24 , H04J3/06
CPC分类号： H04L7/0016 , H04J3/0667 , H04J3/14 , H04L41/064 , H04L43/106
摘要： A method and a device for detecting a 1588 time error between network elements are disclosed. The method includes: a 1588 time network is established for an entire network; when it is required to detect a 1588 time error between a network element and its opposite network element, the network elements transmit, probe packets, each including a local timestamp to each other; and the network element receiving a probe packet calculates, according to a preset time difference algorithm, a time difference between the local timestamp and the timestamp in the probe packet, determines, according to the time difference, whether there is a failure in a detection path, and reports an alarm when there is a failure in the detection path. The disclosure prevents erroneous time transmission due to the time error, thus ensuring the network stability.
摘要翻译：公开了一种用于检测网络元件之间的1588时间误差的方法和装置。该方法包括：为整个网络建立1588时间网络; 当需要检测网元与其相对网元之间的1588时间误差时，网元将每个包含本地时间戳的探测包发送给彼此; 并且接收探测分组的网络单元根据预设的时差算法，计算探测分组中的本地时间戳与时间戳之间的时间差，根据时差确定检测路径中是否存在故障，并在检测路径出现故障时报告。本公开防止由于时间错误而导致错误的时间传输，从而确保网络的稳定性。

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