Method and device for correting time of customer end through network time protocol

A network time protocol and client-side technology, applied in the field of communications, can solve the problem of heavy client system development workload, reduce maintenance and system development workload, and ensure safe operation.

Active Publication Date: 2006-11-08
HUAWEI TECH CO LTD
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Problems solved by technology

[0007] The purpose of the present invention is to solve the problem of large workload of client m

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  • Method and device for correting time of customer end through network time protocol
  • Method and device for correting time of customer end through network time protocol

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] The present invention effectively avoids possible problems in the process of using the NTP protocol to correct the communication device time by simply modifying the flow of the NTP server to process the NTP message packet without increasing the cost and engineering complexity. Problems that cause communication equipment to work abnormally or not work normally.

[0029] figure 1 The working principle of using NTP to realize time calibration is shown, and the description is as follows:

[0030] 1. The client sends an NTP message packet to the NTP server. The NTP message packet contains the t...

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Abstract

The present invention provides client-side timing method and equipment through network time protocol. Said method includes configuring client-side time deviation threshold; client-side transmitted network time protocol packet; judging whether said network time protocol packet client-side time and local zone time deviation exceeding said time deviation threshold, according to judgment result to control client-side timing. The present invention realizes client-side timing through simple modifying NTP server processing NTP packet process, effectively reducing client-side maintenance and system development work load, in favor of ensuring client-side safe operation.

Description

technical field [0001] The invention belongs to the communication field, and in particular relates to a method and a server device for correcting the time of a communication device by using a network time protocol. Background technique [0002] With the development of communication networks, communication equipment has higher and higher requirements on time, billing systems, No. higher requirements. [0003] NTP (Network Time Protocol, Network Time Protocol) protocol is mainly used to measure the round-trip time delay of data packets on the network and estimate the deviation of the computer clock, so as to achieve the purpose of high-precision computer time calibration on the network. A communication protocol for synchronizing the time of different machines. For details about the NTP protocol, refer to RFC 1305-Network Time Protocol (Version 3) Specification, Implementation and Analysis, which is cited in the present invention and will not be repeated here. At present, th...

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Application Information

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IPC IPC(8): H04L29/06
Inventor 张晓勇
Owner HUAWEI TECH CO LTD
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