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Clock isolation method and device

A clock and clock domain technology, applied in the Internet field, can solve problems such as error-prone, heavy user workload, and large number of devices, and achieve the effect of improving accuracy and efficiency

Active Publication Date: 2016-04-06
BEIJING HUAWEI DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When technicians are looking for the first device and the second device, it is easy to make mistakes; and when there are many devices in the network, the number of devices found is very large and the operation of disconnecting the clock relationship is complicated, resulting in a large workload for users

Method used

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  • Clock isolation method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] The embodiment of the present invention provides a clock isolation method, see figure 1 , where the method includes:

[0053] Step S101: Receive the first SSM (SynchronizationStatusMessage, synchronization status information) sent by the peer device, the first SSM carries the clock domain number of the peer device, and the clock domain number is used to identify the network where the device is located;

[0054] Step S102: Obtain the clock domain number of the local device;

[0055] Step S103: If the clock domain number of the peer device is different from that of the local device, it is determined that the peer device and the local device are in different networks, and the clock of the local device is isolated from the clock of the peer device.

[0056] Preferably, isolating the clock of the local device from the clock of the peer device includes:

[0057] Obtain the clock synchronization interface that receives the first SSM on the local device, and disable the funct...

Embodiment 2

[0072] The embodiment of the present invention provides a clock isolation method, see figure 2 , where the method includes:

[0073] Step S201: Receive the first SSM sent by the peer device, and obtain the information carried in the preset first field in the first SSM;

[0074] The local device and the peer device are adjacent devices. The local device includes a clock synchronization interface, and the peer device also includes a clock synchronization interface. The clock synchronization interface on the local device and the clock synchronization interface on the peer device connect. The peer device sends the first SSM to the local device through the clock synchronization interface on the peer device; the local device receives the first SSM sent by the peer device through the clock synchronization interface on the local device, and obtains the first SSM in the first SSM. Set the information carried in the first field.

[0075] The information carried in the preset first f...

Embodiment 3

[0111] An embodiment of the present invention provides a device for clock isolation, see image 3 , where the device includes:

[0112] The receiving module 301 is configured to receive the first synchronization state information SSM sent by the peer device, where the first SSM carries the clock domain number of the peer device, and the clock domain number is used to identify the network where the device is located;

[0113] The first acquiring module 302 is configured to acquire the clock domain number of the local device;

[0114] The isolation module 303 is configured to determine that the peer device and the local device are in different networks if the clock domain number of the peer device is different from the clock domain number of the local device, and separate the clock of the local device from the clock of the peer device Quarantine.

[0115] Preferably, the isolation module 303 includes:

[0116] An acquisition unit, configured to acquire a clock synchronization...

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Abstract

The invention discloses a clock isolation method and device, and belongs to the technical field of internet. The method comprises the steps that a first synchronization status message SSM transmitted by opposite-end equipment is received, the first SSM carries the clock domain number of the opposite-end equipment, and the clock domain number is used for identifying a network in which the equipment is positioned; the clock domain number of home-end equipment is obtained; and if the clock domain number of the opposite-end equipment and the clock domain number of the home-end equipment are different, a situation that the opposite-end equipment and the home-end equipment are positioned in different networks is determined, and the clock of the home-end equipment and the clock of the opposite-end equipment are isolated. The device comprises a receiving module, a first obtaining module and an isolation module. The clock domain number of the opposite-end equipment is obtained from the first SSM, the clock domain number of the home-end equipment is obtained, and clock of the home-end equipment and the clock of the opposite-end equipment are isolated if the clock domain number of the opposite-end equipment and the clock domain number of the home-end equipment are different so that isolation accuracy and efficiency can be enhanced.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a clock isolation method and device. Background technique [0002] Currently, a network corresponds to a clock source, and each device included in the network is synchronized with the clock source. Wherein, each device in the network includes a clock synchronization interface, and each device is connected to the clock synchronization interface of its adjacent adjacent devices through the clock synchronization interface it includes, and each device performs clock synchronization with its adjacent devices through the clock synchronization interface. Synchronization, so that every device in the network is synchronized to a clock source. In some cases, when the network is split into two networks, the first network and the second network, since the clock sources of each network are different, it is necessary to check the clock source of the first network and the second network ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06
Inventor 杨帆
Owner BEIJING HUAWEI DIGITAL TECH
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