Clock synchronization method and system

A clock synchronization and regional clock technology, applied in the field of communication, can solve the problems of virtual machine time deviation, inability to respond to new requests, deviation, etc., to achieve the effect of improving stability

Active Publication Date: 2020-06-19
CHINA UNIONPAY
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Problems solved by technology

[0004] However, during the operation and maintenance of clock synchronization through the Network Time Protocol (NTP), the following problems are encountered: (1) The time of the virtual machine is not capable of maintaining the frequency of its own crystal oscillator, which may easily lead to deviation. The network time protocol ntp is constantly revised. If the synchronization to the server is too frequent, the server will bear greater pressure. If the synchronization frequency is too low, the time of the virtual machine will be deviated.
(2) When the pressure on the server is high, it may not be able to respond to new requests, which may lead to deviations in the time of the virtual machine
(3) The traditional clock synchronization device usually focuses on the configuration of the client. Facing the large-scale cloud computing environment, it lacks the management and operation and maintenance of the server, and the operation and maintenance efficiency is low.

Method used

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Embodiment Construction

[0042] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0043] In the present invention, it should be understood that terms such as "comprising" or "having" are intended to indicate the presence of features, numbers, steps, acts, components, parts or combinations thereof disclosed in the specification, and are not intended to exclude one or multiple other features, numbers, steps, acts, parts, parts or combinations thereof.

[0044] In addition, it should be noted that, in the case of n...

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Abstract

The invention provides a clock synchronization method and system. The system is composed of a core clock server, a plurality of regional clock servers and a plurality of cloud virtual machines, and the method comprises the steps that the core clock server performs first clock synchronization on the regional clock servers, and adjusts a synchronization strategy of the first clock synchronization according to feedback information of the regional clock servers; and the regional clock server performs second clock synchronization on the cloud virtual machine in the corresponding region, and adjustsa synchronization strategy of the second clock synchronization according to feedback information of the cloud virtual machine in the corresponding region. By utilizing the method, the stability of clock synchronization of the large-scale cloud virtual machine in the cloud environment can be improved.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a clock synchronization method and system. Background technique [0002] This section is intended to provide a background or context for implementations of the invention that are recited in the claims. The descriptions herein are not admitted to be prior art by inclusion in this section. [0003] At present, cloud computing has become the mainstream technology in the industry. In a virtualized environment, the number of virtual machines at a single site can reach the order of one hundred thousand. For virtual machines in a large-scale cloud environment, ensuring the clock accuracy of the virtual machines is a crucial issue. [0004] However, during the operation and maintenance of clock synchronization through the Network Time Protocol (NTP), the following problems are encountered: (1) The time of the virtual machine is not capable of maintaining the frequenc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06H04L29/08
CPCH04J3/0638H04L67/10H04J3/0667
Inventor 完颜许哲胡文斌施跃跃刘震洪华董龙鲁逸丁李彭王辛
Owner CHINA UNIONPAY
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