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Alarm indication signal alarming clearing method and service layer and client layer maintenance entity group end point

A technology of alarm indication and maintenance entity, applied in the direction of digital transmission system, data exchange network, electrical components, etc., can solve problems such as false switching, and achieve the effect of avoiding protection switching errors

Inactive Publication Date: 2014-07-09
ZTE CORP
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the service layer has completed the protection switching after the hold-off timer expires, but the value of the AIS alarm clear timer is not zero, the client layer will still detect the AIS alarm at this time, and a wrong switch occurs.

Method used

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  • Alarm indication signal alarming clearing method and service layer and client layer maintenance entity group end point
  • Alarm indication signal alarming clearing method and service layer and client layer maintenance entity group end point
  • Alarm indication signal alarming clearing method and service layer and client layer maintenance entity group end point

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Embodiment Construction

[0019] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] like figure 1 As shown, it is an example diagram of sending an AIS message from a service layer MEP to a client layer MEP in the present invention. For example, when service layer MEP (Maintenance Entity Group End Point, Maintenance Entity Group End Point) 1 detects a path failure with other service layer MEP 2, or, when service layer MEP 1 detects a fault with other service layer MEP When the path between the two is restored to normal, the service layer MEP 1 will send an AIS (Alarm Indication Signal, alarm indication signal) message to the adjacent client layer MEP 3.

[0021] As a preferred embodiment, the AIS message includes an AIS alarm generating message and an AIS alarm clearing message. That is: when the service layer MEP 1 detects a path failure with other service layer MEP 2, the service layer MEP ...

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Abstract

The invention provides an alarm indication signal alarming clearing method. According to the method, when a route between MEPs of a service layer maintenance entity group end point fails, an AIS alarming generation message is generated to be sent to a corresponding client layer MEP to generate AIS alarming, and when the route between the MEPs of the service layer recovers, an AIS alarming clearing message is generated to be sent to the corresponding client layer MEP to clear the generated AIS alarming, and a client layer protection switching error due to delayed clearing of the AIS alarming is effectively avoided. The invention further provides the service layer and client layer maintenance entity group end point clearing the alarm indication signal alarming.

Description

technical field [0001] The invention relates to an alarm processing technology of a service layer and a client layer, in particular to an alarm indication signal alarm clearing method, and an end point of an entity group maintained by the service layer and the client layer. Background technique [0002] Y.1731 is an OAM (Operation, Administration and Maintenance) standard specifically defined for Ethernet by ITU-T (ITU Telecommunication Standardization Sector, International Telecommunication Union Standardization Sector), AIS (Alarm Indication Signal, alarm indication signal ) is an OAM tool defined by the standard, which is mainly used for alarm notification to the client layer after the service layer detects a fault. For example, when the service layer MEP (Maintenance Entity Group End Point, Maintenance Entity Group End Point) detects a fault, it will send an AIS alarm message to the downstream adjacent client layer MEP to notify it of a fault, and the adjacent client lay...

Claims

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Application Information

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IPC IPC(8): H04L12/24
Inventor 祁云磊冯景斌
Owner ZTE CORP
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