Method for detecting link and device and system thereof

Abstract

The invention discloses a method for detecting link and a device and a system thereof, wherein the method comprises the following steps: a first network element sends requests to a second network element at a predetermined time interval; the first network element determines whether a response from the second network element is received according to each sent request; the first network element, determines that a communication link between the first network element and the second network element breaks down when judging that no response from the second network element is received for predetermined times continuously. With the invention, the network communication link state can be detected through the way of request and response, thereby operating situation of the network can be easily obtained, which is helpful for fault recovery when errors occur to the network link and ensures normal operation of business.

Description

Technical field [0001] The present invention relates to the field of communications, and in particular to a link detection method, device and system. Background technique [0002] With the widespread application of Global System for Mobile Communications (GSM) technology, the number of users and services continue to increase, especially with the development of the third and fourth generations of mobile communication technology, the increase in data users has become increasingly obvious, leading to Network and transmission resources are tight. [0003] The transmission network of the traditional mobile cellular network is generally based on the traditional Time Division Multiplex (TDM) mode or the asynchronous transfer mode (Asynchronous Transfer Mode, referred to as ATM) for communication, such as GSM technology, enhanced data rate GSM evolution (Enhanced Data Rate for GSM Evolution, referred to as EDGE) technology, and Universal Mobile Telecommunications System (abbreviated as UM...

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problems in the related art that the operation of the network cannot be known due to the inability to perform link detection on the traditional Ethernet network, it is inconvenient to eliminate network faults, and it will cause adverse effects on the business, the present invention proposes a link detection method, Ability to detect in a simple manner if a link in the network fails

[0009] Aiming at the problems in the related art that the operation of the network cannot be known due to the inability to perform link detection on the traditional Ethernet network, it is inconvenient to eliminate network faults, and it will cause adverse effects on the business, the present invention also proposes a link detection device , to be able to detect the failure of a link in the network in a simple way

[0010] Aiming at the problems in the related art that the operation of the network cannot be known due to the inability to perform link detection on the traditional Ethernet network, it is not convenient to eliminate network faults, and it will cause adverse effects on the business, the present invention also proposes a link detection system , to be able to detect the failure of a link in the network in a simple way

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