CN107370892B - Method for optimizing digital subscriber line - Google Patents

Method for optimizing digital subscriber line Download PDF

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Publication number
CN107370892B
CN107370892B CN201610309321.9A CN201610309321A CN107370892B CN 107370892 B CN107370892 B CN 107370892B CN 201610309321 A CN201610309321 A CN 201610309321A CN 107370892 B CN107370892 B CN 107370892B
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digital subscriber
subscriber line
optimized
template
optimization
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CN107370892A (en
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叶旭光
陈炀
吴洲
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2017/072820 priority patent/WO2017193649A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/305—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance
    • H04M3/306—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance for frequencies above the voice frequency, e.g. xDSL line qualification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

The invention provides a method and a device for optimizing a digital subscriber line, wherein the method comprises the following steps: acquiring digital subscriber lines under a plurality of network elements and link states of the digital subscriber lines; performing stability evaluation on the digital subscriber line by using a frequency algorithm of abnormal disconnection of the digital subscriber line, and determining the digital subscriber line to be optimized; according to the current operation template of the digital subscriber line to be optimized, establishing an optimization template corresponding to the link establishment rate of the digital subscriber line to be optimized; and optimizing and monitoring the digital subscriber line to be optimized according to the optimization template. The invention realizes the stability evaluation of the digital subscriber line by calculating the abnormal disconnection frequency of the digital subscriber line, and realizes the optimization and monitoring of the digital subscriber line to be optimized by the established optimization template. The operation and maintenance efficiency of the digital subscriber line network and the stability of the digital subscriber line are improved, the abnormal disconnection rate of the line is reduced, and the user experience is improved.

Description

Method for optimizing digital subscriber line
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for optimizing a digital subscriber line.
Background
DSL (Digital Subscriber Line) technology is a broadband access technology based on ordinary telephone lines, which transmits data and voice signals, respectively, over the same copper Line. To date, various types of DSL access technologies such as ADSL (Asymmetric Digital Subscriber Line), VDSL (Very High Speed Digital Subscriber Line), SHDSL (Single-pair High-Speed Digital Subscriber Line), ADSL2, ADSL2+, VDSL2 have been developed in succession in various countries around the world. The basic system architecture and principles of these DSL access technologies, collectively referred to as "xDSL," are basically similar, except that these technologies differ in terms of signal transmission rate and distance, specific implementation, and symmetry of uplink and downlink rates. From the point of view of the symmetry and asymmetry of the upstream and downstream data rates, DSL can be divided into two broad categories, symmetric DSL and asymmetric DSL technologies.
Since the copper lines used in DSL are unshielded twisted pair lines, electromagnetic interference between the pairs can cause signals on one twisted pair to interfere with signals on the other twisted pair, i.e., crosstalk. In addition, DSL lines are subject to a variety of disturbances including impulse noise, video interference, channel fading, etc. Various interferences in the line can cause delay, packet loss and packet error of the DSL line, cause serious error seconds, and even cause abnormal disconnection of the line, thereby affecting the service experience of the user.
Optimizing DSL lines to ensure their stability has become a significant problem in the prior art. However, in the operation and maintenance process of the DSL network in the prior art, it is not possible to automatically perform stability evaluation and optimization on a large number of DSL lines.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a device for optimizing a digital subscriber line, which are used to solve the problem that stability evaluation and optimization cannot be automatically performed on a large batch of digital subscriber lines in the existing operation and maintenance process of a digital subscriber line network.
In order to solve the above technical problem, an embodiment of the present invention provides an optimization method for a digital subscriber line, including:
acquiring digital subscriber lines under a plurality of network elements and link states of the digital subscriber lines;
performing stability evaluation on the digital subscriber line by using a frequency algorithm of abnormal disconnection of the digital subscriber line, and determining the digital subscriber line to be optimized;
according to the current operation template of the digital subscriber line to be optimized, establishing an optimization template corresponding to the link establishment rate of the digital subscriber line to be optimized;
and optimizing and monitoring the digital subscriber line to be optimized according to the optimization template.
Wherein the step of obtaining the link status of the digital subscriber line comprises:
carrying out automatic batch processing configuration on the network elements;
and acquiring the link state of the digital subscriber line from the network elements after the automatic batch processing configuration.
The method comprises the following steps of utilizing a frequency algorithm of abnormal disconnection of the digital subscriber line to evaluate the stability of the digital subscriber line, and determining the digital subscriber line to be optimized, wherein the step comprises the following steps of:
evaluating the stability of the digital subscriber line according to a formula MTBR (mean time between new links) which is the on-line duration/abnormal off-line times of the digital subscriber line, wherein the MTBR represents an average reestablishment time interval;
and when the abnormal offline times are greater than the preset offline times and the MTBR is less than the preset link establishment time interval, determining the digital subscriber line as the digital subscriber line to be optimized.
The steps of optimizing and monitoring the digital subscriber line to be optimized according to the optimization template comprise:
selecting an initial optimization template in the optimization templates, configuring the digital subscriber line to be optimized according to the initial optimization template, and performing stability optimization processing on the digital subscriber line to be optimized, wherein a target signal-to-noise ratio margin value and a pulse noise protection value in the initial optimization template are the largest;
optimizing the digital subscriber line with successfully optimized stability under short-term monitoring;
and carrying out optimization processing under long-term monitoring on the digital subscriber line successfully optimized under short-term monitoring.
Wherein, the step of performing stability optimization processing on the digital subscriber line to be optimized comprises:
acquiring an initial optimization template and a current operation template of the digital subscriber line to be optimized;
judging whether the current operation template is consistent with the initial optimization template;
when the current operation template is inconsistent with the initial optimization template, configuring the line template of the digital subscriber line to be optimized as the initial optimization template;
and performing stability optimization on the digital subscriber line to be optimized according to the initial optimization template.
The optimization processing under short-term monitoring on the digital subscriber line with successfully optimized stability comprises the following steps:
acquiring the link state of the digital subscriber line with successfully optimized stability;
when the link state is link connection, evaluating the short-term stability of the digital subscriber line with the successfully optimized stability according to the abnormal disconnection times and the link establishment rate of the digital subscriber line with the successfully optimized stability in the past preset hours, and determining the short-term stable digital subscriber line;
and when the short-term monitoring times of the short-term stable digital subscriber line reach first preset monitoring times, determining that the optimization of the short-term stable digital subscriber line under the short-term monitoring is successful.
When the link state is link connection, evaluating the short-term stability of the digital subscriber line with successfully optimized stability according to the abnormal connection drop times and the link establishment rate of the digital subscriber line with successfully optimized stability in the past preset hours, wherein the step of determining the short-term stable digital subscriber line comprises the following steps:
when the link state is link connection, accumulating short-term monitoring times and judging the abnormal disconnection times of the digital subscriber line with successfully optimized stability in the past preset hours;
when the abnormal offline times do not exceed the preset offline times, acquiring the link establishment rate of the digital subscriber line with successfully optimized stability;
and when the link establishment rate reaches a preset link establishment rate, determining the digital subscriber line with successfully optimized stability as a short-term stable digital subscriber line.
The method for optimizing the digital subscriber line further comprises the following steps:
when the link establishment rate does not reach the preset link establishment rate, optimizing the digital subscriber line with successfully optimized stability under short-term monitoring by sequentially selecting the adjusting and optimizing template of the digital subscriber line with successfully optimized stability; and the target signal-to-noise ratio margin value in the adjusting and optimizing template is smaller than the target signal-to-noise ratio margin value in the initial optimizing template, and the impulse noise protection value in the adjusting and optimizing template is smaller than the impulse noise protection value in the initial optimizing template.
The method for optimizing the digital subscriber line successfully optimized under the short-term monitoring comprises the following steps of:
acquiring the stable state of the digital subscriber line successfully optimized under the short-term monitoring in a preset period, wherein the preset period is more than one day;
and when the stable state is stable and the long-term monitoring times reach second preset monitoring times, determining that the digital subscriber line successfully optimized under the short-term monitoring is successfully optimized under the long-term monitoring.
An embodiment of the present invention further provides an apparatus for optimizing a digital subscriber line, including:
an obtaining module, configured to obtain a digital subscriber line and link states of the digital subscriber line under multiple network elements;
the stability evaluation module is used for evaluating the stability of the digital subscriber line by using a frequency algorithm of abnormal disconnection of the digital subscriber line and determining the digital subscriber line to be optimized;
the template creating module is used for creating an optimized template corresponding to the link establishment rate of the digital subscriber line to be optimized according to the current operating template of the digital subscriber line to be optimized;
and the optimization processing module is used for optimizing and monitoring the digital subscriber line to be optimized according to the optimization template.
The technical scheme of the invention has the following beneficial effects:
in the scheme of the invention, the stability evaluation of the digital subscriber line is realized by calculating the abnormal disconnection frequency of the digital subscriber line, and the optimization and monitoring of the digital subscriber line to be optimized are realized by the created optimization template. The operation and maintenance efficiency of the digital subscriber line network and the stability of the digital subscriber line are improved, the abnormal disconnection rate of the line is reduced, and the user experience is improved.
Drawings
Fig. 1 is a schematic diagram illustrating basic steps of a method for optimizing a digital subscriber line according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an optimization apparatus for a digital subscriber line according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a specific process of evaluating stability of a digital subscriber line by using a frequency algorithm of abnormal drop of the digital subscriber line in the method for optimizing the digital subscriber line according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a specific process of performing stability optimization on a digital subscriber line to be optimized in the method for optimizing a digital subscriber line according to the embodiment of the present invention;
fig. 5 is a schematic flowchart of a specific process of performing short-term monitoring on a digital subscriber line whose stability is successfully optimized in the method for optimizing a digital subscriber line according to an embodiment of the present invention;
fig. 6 is a schematic flowchart of a specific process of performing optimization processing under long-term monitoring on a digital subscriber line successfully optimized under short-term monitoring in the optimization method of a digital subscriber line according to the embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Aiming at the problem that stability evaluation and optimization cannot be automatically carried out on a large batch of digital subscriber lines in the operation and maintenance process of a digital subscriber line network in the prior art, the invention provides the optimization method of the digital subscriber line, which improves the operation and maintenance efficiency of the digital subscriber line network and the stability of the digital subscriber line, reduces the abnormal disconnection rate of the line and improves the user experience.
First embodiment
As shown in fig. 1, an embodiment of the present invention provides a method for optimizing a digital subscriber line, including:
step 11, obtaining digital subscriber lines under a plurality of network elements and link states of the digital subscriber lines;
it should be noted here that there are multiple digital subscriber lines under one network element. The link states of the digital subscriber line include: link Up and Link Down.
Step 12, using a frequency algorithm of abnormal disconnection of the digital subscriber line to evaluate the stability of the digital subscriber line and determine the digital subscriber line to be optimized;
here, the abnormal drop of the digital subscriber line means that the number of times of link disconnection of the digital subscriber line is greater than a preset number of times of disconnection within a preset time. For example, if the number of times of link disconnection of the digital subscriber line is greater than 2 times in one hour, it is determined that the digital subscriber line is abnormally dropped, that is, the digital subscriber line is unstable.
Step 13, according to the current operation template of the digital subscriber line to be optimized, creating an optimization template corresponding to the link establishment rate of the digital subscriber line to be optimized;
it should be noted that the current operation template of the digital subscriber line to be optimized is an operation template that does not meet the stability requirement.
The created optimized template is the template which meets the stability requirement after the configuration parameters of the current running template are adjusted.
And 14, optimizing and monitoring the digital subscriber line to be optimized according to the optimization template.
The method for optimizing the digital subscriber line in the embodiment of the invention realizes the stability evaluation of the digital subscriber line by calculating the abnormal disconnection frequency of the digital subscriber line, and realizes the optimization and monitoring of the digital subscriber line to be optimized by the created optimization template. The operation and maintenance efficiency of the digital subscriber line network and the stability of the digital subscriber line are improved, the abnormal disconnection rate of the line is reduced, and the user experience is improved.
Preferably, the acquiring the digital subscriber line under the plurality of network elements in step 11 may further include:
step 111, synchronizing a plurality of network element resources and digital subscriber line resources under the plurality of network elements through a network manager;
it should be noted that, when a plurality of network element resources and digital subscriber line resources under the plurality of network elements need to be adjusted, all or part of the digital subscriber line under one network element may be deleted.
Step 112, obtaining the digital subscriber lines under the multiple network elements.
Here, the acquiring the link status of the digital subscriber line in step 11 may further include:
113, performing automatic batch processing configuration on the plurality of network elements;
it should be noted that the batch processing configuration of the multiple network elements is mainly to complete the opening of the reporting function of the link state notification message of the digital subscriber line under each network element.
Step 114, obtaining the link status of the digital subscriber line from the plurality of network elements after the automatic batch processing configuration.
Here, the system obtains the link status of the digital subscriber link through the link status notification message reported by the digital subscriber line.
Preferably, the step 12 in the embodiment of the present invention may further include:
step 121, evaluating the stability of the digital subscriber line according to a formula MTBR, wherein the formula MTBR represents an average reestablishment time interval;
here, the time length of the digital subscriber line on the day ═ Σ (offline _ i-online _ i), i ═ 1, 2.; the offretime here represents the off-line time of the digital subscriber line on the same day; onlinetime represents the time of day when the digital subscriber line is online. Here, the i subscriber identifies the ith line of the digital subscriber line.
And step 122, when the abnormal offline times are greater than the preset offline times and the MTBR is less than the preset link establishment time interval, determining the digital subscriber line as the digital subscriber line to be optimized.
The preset number of dropped calls can be set according to specific situations.
Preferably, the step 14 in the embodiment of the present invention may further include:
step 141, selecting an initial optimization template from the optimization templates, configuring the digital subscriber line to be optimized according to the initial optimization template, and performing stability optimization processing on the digital subscriber line to be optimized, wherein a target signal-to-noise ratio margin value and a pulse noise protection value in the initial optimization template are the largest;
it should be noted here that the optimization template of the digital subscriber line to be optimized may create a plurality of optimization templates according to the stability level, and each of the plurality of optimization templates may ensure the stability of the digital subscriber line to be optimized.
Here, Signal to Noise Ratio margin (SNR margin) is used to measure the network quality of service, which represents the ability of the network to operate without error in the event of a Noise surge, and is the difference between two SNR values, one for the current network and one for just maintaining a reliable connection at the current speed.
Impulse Noise Protection (INP), which represents the system's ability to protect against Impulse Noise, and the value of INP represents the number of discrete multi-tone/multi-carrier DMT symbols that can be protected by interleaving and forward error correction FEC up to the maximum corruption of Impulse Noise.
The main configuration parameters in the optimization template in the embodiment of the invention are the signal-to-noise ratio margin value and the impulse noise protection value, and the signal-to-noise ratio margin and the impulse noise protection configuration of the line are adjusted, so that the working stability of the line can be improved, the abnormal disconnection frequency is reduced, meanwhile, no adverse effect is basically caused on the rate, and under the condition that the configuration rate of a general user is slightly redundant, the actually established rate can meet the bandwidth commitment signed with the user.
142, carrying out optimization processing under short-term monitoring on the digital subscriber line with successfully optimized stability;
it should be noted here that the monitoring period of the short-term monitoring can be set by itself, for example, one hour.
And 143, performing optimization processing under long-term monitoring on the digital subscriber line successfully optimized under short-term monitoring.
Here, the monitoring period of the long-term monitoring may be set by itself, for example, one week.
Preferably, the step 141 may further include:
step 1411, acquiring an initial optimization template and a current operation template of the digital subscriber line to be optimized;
it should be noted that the selection principle of the optimized template is stability priority. The tolerance value of the target signal-to-noise ratio and the impulse noise protection value in the initial optimization template are maximum, and the stability is highest.
Step 1412, judging whether the current running template is consistent with the initial optimization template;
here, if not, go to step 1413; if the line information is consistent with the line information, the line information of the digital subscriber line to be optimized is deleted, and the line optimization fails.
Step 1413, when the current operation template is inconsistent with the initial optimization template, configuring a line template of the digital subscriber line to be optimized as the initial optimization template;
and step 1414, performing stability optimization on the digital subscriber line to be optimized according to the initial optimization template.
Preferably, the step 142 may further include:
step 1421, obtaining the link status of the digital subscriber line whose stability is successfully optimized;
step 1422, when the link state is link connection, evaluating the short-term stability of the digital subscriber line whose stability is successfully optimized according to the abnormal connection drop times and the link establishment rate of the digital subscriber line whose stability is successfully optimized in the past preset hours, and determining a short-term stable digital subscriber line;
it should be noted that the past preset hour can be set by itself, such as the past 1 hour, the past 2 hours, etc.
Here, the specific implementation of step 1422 may include:
step 14221, when the link status is link connection, accumulating the short-term monitoring times and determining the abnormal disconnection times of the digital subscriber line with successfully optimized stability in the past preset hours;
it should be noted that, accumulating the number of short-term monitoring times refers to monitoring a digital subscriber line, and the number of short-term monitoring times is increased by one.
Step 14222, when the abnormal offline times do not exceed the preset offline times, obtaining the link establishment rate of the digital subscriber line whose stability is successfully optimized;
in step 14223, when the link establishment rate reaches a preset link establishment rate, it is determined that the digital subscriber line with successfully optimized stability is a short-term stable digital subscriber line.
It should be noted that the default link establishment rate refers to a bandwidth rate subscribed to the user.
The method for optimizing the digital subscriber line of the embodiment of the invention also comprises the following steps:
step 14224, when the link establishment rate does not reach the preset link establishment rate, performing optimization processing under short-term monitoring on the digital subscriber line with successfully optimized stability by sequentially selecting the adjustment optimization templates of the digital subscriber line with successfully optimized stability; and the target signal-to-noise ratio margin value in the adjusting and optimizing template is smaller than the target signal-to-noise ratio margin value in the initial optimizing template, and the impulse noise protection value in the adjusting and optimizing template is smaller than the impulse noise protection value in the initial optimizing template.
It should be noted that, the adjusted optimized template is one of the created optimized templates, and the stability of the adjusted optimized template is slightly worse than that of the initial optimized template, but the link establishment rate can be increased to the bandwidth rate contracted with the subscriber, and at the same time, the stability of the digital subscriber line to be optimized can be ensured.
Step 1423, when the short-term monitoring frequency of the short-term stable digital subscriber line reaches a first preset monitoring frequency, determining that the optimization of the short-term stable digital subscriber line under short-term monitoring is successful.
Preferably, the step 143 in the embodiment of the present invention may further include:
step 1431, acquiring a stable state of the digital subscriber line successfully optimized under the short-term monitoring in a preset period, wherein the preset period is more than one day;
here, the preset period may be set by itself, such as one week, two weeks, and the like.
Step 1432, when the stable state is stable and the number of long-term monitoring times reaches a second preset number of monitoring times, determining that the digital subscriber line successfully optimized under the short-term monitoring is successfully optimized under the long-term monitoring.
The method for optimizing the digital subscriber line in the embodiment of the invention realizes the stability evaluation of the digital subscriber line by calculating the abnormal disconnection frequency of the digital subscriber line, and realizes the optimization and monitoring of the digital subscriber line to be optimized by the created optimization template. The operation and maintenance efficiency of the digital subscriber line network and the stability of the digital subscriber line are improved, the abnormal disconnection rate of the line is reduced, and the user experience is improved.
Second embodiment
As shown in fig. 2, an embodiment of the present invention further provides an apparatus for optimizing a digital subscriber line, including:
an obtaining module 21, configured to obtain a digital subscriber line and link states of the digital subscriber line under multiple network elements;
it should be noted here that there are multiple digital subscriber lines under one network element. The link states of the digital subscriber line include: link Up and Link Down.
The stability evaluation module 22 is configured to perform stability evaluation on the digital subscriber line by using a frequency algorithm for abnormal drop of the digital subscriber line, and determine a digital subscriber line to be optimized;
here, the abnormal drop of the digital subscriber line means that the number of times of link disconnection of the digital subscriber line is greater than a preset number of times of disconnection within a preset time. For example, if the number of times of link disconnection of the digital subscriber line is greater than 2 times in one hour, it is determined that the digital subscriber line is abnormally dropped, that is, the digital subscriber line is unstable.
A template creating module 23, configured to create, according to the current operating template of the digital subscriber line to be optimized, an optimized template corresponding to the link establishment rate of the digital subscriber line to be optimized;
it should be noted that the current operation template of the digital subscriber line to be optimized is an operation template that does not meet the stability requirement.
The created optimized template is the template which meets the stability requirement after the configuration parameters of the current running template are adjusted.
And the optimization processing module 24 is configured to perform optimization and monitoring processing on the digital subscriber line to be optimized according to the optimization template.
Specifically, the obtaining module 21 in the embodiment of the present invention may specifically include:
the resource synchronization submodule is used for synchronizing a plurality of network element resources and digital subscriber line resources under the network elements through network management;
it should be noted that, when a plurality of network element resources and digital subscriber line resources under the plurality of network elements need to be adjusted, all or part of the digital subscriber line under one network element may be deleted.
And the first obtaining submodule is used for obtaining the digital subscriber lines under the network elements.
The automatic configuration sub-module is used for carrying out automatic batch processing configuration on the network elements;
it should be noted that the batch processing configuration of the multiple network elements is mainly to complete the opening of the reporting function of the link state notification message of the digital subscriber line under each network element.
And the second obtaining submodule is used for obtaining the link states of the digital subscriber lines from the network elements after the automatic batch processing configuration.
Here, the system obtains the link status of the digital subscriber link through the link status notification message reported by the digital subscriber line.
Specifically, the stability evaluation module 22 in the embodiment of the present invention may specifically include:
an evaluation processing sub-module for evaluating the data,
the stability of the digital subscriber line is evaluated according to a formula MTBR (mean time between new links) which is the on-line time/abnormal off-line times of the digital subscriber line, wherein the MTBR represents the average reestablishment time interval;
here, the time length of the digital subscriber line on the day ═ Σ (offline _ i-online _ i), i ═ 1, 2.; the offretime here represents the off-line time of the digital subscriber line on the same day; onlinetime represents the time of day when the digital subscriber line is online. Here, the i subscriber identifies the ith line of the digital subscriber line.
And the to-be-optimized determining submodule is used for determining the digital subscriber line as the to-be-optimized digital subscriber line when the abnormal offline times are greater than the preset offline times and the MTBR is less than the preset link establishment time interval.
The preset number of dropped calls can be set according to specific situations.
Specifically, the optimization processing module 24 in the embodiment of the present invention may specifically include:
the first optimization processing submodule is used for selecting an initial optimization template in the optimization templates, configuring the digital subscriber line to be optimized according to the initial optimization template, and performing stability optimization processing on the digital subscriber line to be optimized, wherein a target signal-to-noise ratio margin value and an impulse noise protection value in the initial optimization template are the largest;
it should be noted here that the optimization template of the digital subscriber line to be optimized may create a plurality of optimization templates according to the stability level, and each of the plurality of optimization templates may ensure the stability of the digital subscriber line to be optimized.
Here, Signal to Noise Ratio margin (SNR margin) is used to measure the network quality of service, which represents the ability of the network to operate without error in the event of a Noise surge, and is the difference between two SNR values, one for the current network and one for just maintaining a reliable connection at the current speed.
Impulse Noise Protection (INP), which represents the system's ability to protect against Impulse Noise, and the value of INP represents the number of discrete multi-tone/multi-carrier DMT symbols that can be protected by interleaving and forward error correction FEC up to the maximum corruption of Impulse Noise.
The main configuration parameters in the optimization template in the embodiment of the invention are the signal-to-noise ratio margin value and the impulse noise protection value, and the signal-to-noise ratio margin and the impulse noise protection configuration of the line are adjusted, so that the working stability of the line can be improved, the abnormal disconnection frequency is reduced, meanwhile, no adverse effect is basically caused on the rate, and under the condition that the configuration rate of a general user is slightly redundant, the actually established rate can meet the bandwidth commitment signed with the user.
The second optimization processing submodule is used for carrying out optimization processing under short-term monitoring on the digital subscriber line with successfully optimized stability;
it should be noted here that the monitoring period of the short-term monitoring can be set by itself, for example, one hour.
And the third optimization processing sub-module is used for carrying out optimization processing under long-term monitoring on the digital subscriber line which is successfully optimized under short-term monitoring.
Here, the monitoring period of the long-term monitoring may be set by itself, for example, one week.
Specifically, the first optimization processing sub-module may further include:
a first obtaining unit, configured to obtain an initial optimization template and a current operation template of the digital subscriber line to be optimized;
it should be noted that the selection principle of the optimized template is stability priority. The tolerance value of the target signal-to-noise ratio and the impulse noise protection value in the initial optimization template are maximum, and the stability is highest.
The judging unit is used for judging whether the current running template is consistent with the initial optimization template;
if not, executing the steps in the template configuration unit; if the line information is consistent with the line information, the line information of the digital subscriber line to be optimized is deleted, and the line optimization fails.
A template configuration unit, configured to configure a line template of the digital subscriber line to be optimized as the initial optimization template when the current running template is inconsistent with the initial optimization template;
and the optimization processing unit is used for performing stability optimization on the digital subscriber line to be optimized according to the initial optimization template.
Specifically, the second optimization processing sub-module may further include:
a second obtaining unit, configured to obtain a link state of the digital subscriber line for which the stability optimization is successful;
a short-term evaluation unit, configured to, when the link state is a link connection, evaluate short-term stability of the digital subscriber line whose stability is successfully optimized according to the number of abnormal drop-outs and the link establishment rate of the digital subscriber line whose stability is successfully optimized in a past preset hour, and determine a short-term stable digital subscriber line;
it should be noted that the past preset hour can be set by itself, such as the past 1 hour, the past 2 hours, etc.
Here, the short-term evaluation unit is specifically configured to: when the link state is link connection, accumulating short-term monitoring times and judging the abnormal disconnection times of the digital subscriber line with successfully optimized stability in the past preset hours; when the abnormal offline times do not exceed the preset offline times, acquiring the link establishment rate of the digital subscriber line with successfully optimized stability; and when the link establishment rate reaches a preset link establishment rate, determining the digital subscriber line with successfully optimized stability as a short-term stable digital subscriber line.
It should be noted that, accumulating the number of short-term monitoring times refers to monitoring a digital subscriber line, and adding one to the number of short-term monitoring times. The preset link establishment rate refers to a bandwidth rate contracted with a user.
Here, the short-term evaluation unit may be further specifically configured to: when the link establishment rate does not reach the preset link establishment rate, optimizing the digital subscriber line with successfully optimized stability under short-term monitoring by sequentially selecting the adjusting and optimizing template of the digital subscriber line with successfully optimized stability; and the target signal-to-noise ratio margin value in the adjusting and optimizing template is smaller than the target signal-to-noise ratio margin value in the initial optimizing template, and the impulse noise protection value in the adjusting and optimizing template is smaller than the impulse noise protection value in the initial optimizing template.
It should be noted that, the adjusted optimized template is one of the created optimized templates, and the stability of the adjusted optimized template is slightly worse than that of the initial optimized template, but the link establishment rate can be increased to the bandwidth rate contracted with the subscriber, and at the same time, the stability of the digital subscriber line to be optimized can be ensured.
And the first optimization determining unit is used for determining that the short-term stable digital subscriber line is successfully optimized under the short-term monitoring when the short-term monitoring frequency of the short-term stable digital subscriber line reaches a first preset monitoring frequency.
Specifically, the third optimization processing sub-module may further include:
a third obtaining unit, configured to obtain a stable state of the digital subscriber line successfully optimized under the short-term monitoring within a preset period, where the preset period is longer than one day;
here, the preset period may be set by itself, such as one week, two weeks, and the like.
And the second optimization determining unit is used for determining the successful optimization of the digital subscriber line successfully optimized under the short-term monitoring under the long-term monitoring when the stable state is stable and the long-term monitoring times reach a second preset monitoring times.
According to the digital subscriber line optimization device, the stability evaluation module is used for calculating the abnormal disconnection frequency of the digital subscriber line, so that the stability evaluation of the digital subscriber line is realized, and the optimization processing module is used for optimizing and monitoring the digital subscriber line to be optimized according to the optimization template created by the template creation module. The operation and maintenance efficiency of the digital subscriber line network and the stability of the digital subscriber line are improved, the abnormal disconnection rate of the line is reduced, and the user experience is improved.
Third embodiment
Fig. 3 is a schematic diagram of a specific process of performing stability evaluation on a digital subscriber line by using a frequency algorithm of abnormal drop of the digital subscriber line in the optimization method of the digital subscriber line according to the embodiment of the present invention. The following describes a specific implementation process for evaluating the stability of the line in detail with reference to the figure.
Step 301, starting a stability evaluation strategy;
it should be noted here that the policy period of the stability evaluation policy is 1 day; after the stability evaluation strategy is started, the corresponding strategy timer is started.
Step 302, receiving a policy timer timing message;
it should be noted that the timing message of the policy timer indicates that the counting of one policy period is completed when the timing message of the policy timer is received.
Step 303, running a stability evaluation strategy of the digital subscriber line;
step 304, traversing the digital subscriber lines to be evaluated, and sequentially judging whether an unretraversed digital subscriber line exists;
here, if yes, that is, there is an unretraversed dsl, then acquire the dsl and perform step 305; otherwise, step 308 is performed.
Step 305, judging whether the digital subscriber line is stable according to a formula MTBR (mean time between the line time of the digital subscriber line and the number of times of abnormal disconnection);
if yes, i.e. the digital subscriber line is stable, go to step 306; if not, the digital subscriber line is unstable, step 307 is executed.
It should be noted that, by acquiring the information of link connection/link disconnection of the digital subscriber line on the past day, the number of times of abnormal drop of the digital subscriber line and the MTBR value are counted; and analyzing the stability of the line according to the MTBR value and the abnormal offline times.
Step 306, setting the digital subscriber line as a stable line;
here, after the step is completed, jump to step 304;
step 307, setting the digital subscriber line as an unstable line;
here, after the step is completed, jump to step 304;
and step 308, outputting a line stability evaluation report based on the stable or unstable states of all the set lines, and importing the unstable lines into an optimization table to prepare for optimization.
Fourth embodiment
Fig. 4 is a schematic diagram of a specific process for optimizing the stability of a digital subscriber line to be optimized in the method for optimizing a digital subscriber line according to the embodiment of the present invention. The following describes a specific implementation process for optimizing the line stability in detail with reference to the figure.
Step 401, starting a stability optimization strategy;
it should be noted here that the strategy period of the stability optimization strategy is 1 day; after the stability optimization strategy is started, the corresponding strategy timer is also started.
Step 402, receiving a policy timer timing message;
it should be noted that the timing message of the policy timer indicates that the counting of one policy period is completed when the timing message of the policy timer is received.
Step 403, running a stability optimization strategy of the digital subscriber line;
step 404, traversing the digital subscriber lines to be optimized in the optimization table, and sequentially judging whether an unretraversed digital subscriber line to be optimized exists;
if yes, that is, if there is an unexplored digital subscriber line to be optimized, acquiring the digital subscriber line to be optimized and executing step 405; otherwise, step 408 is performed.
It should be noted here that the digital subscriber line to be optimized is the digital subscriber line determined to be unstable through stability evaluation.
Step 405, obtaining an initial optimization template and a current operation template of the digital subscriber line to be optimized, and judging whether the initial optimization template is consistent with the current operation template;
if not, i.e., not consistent, go to step 406; if yes, go to step 407.
Step 406, configuring the line template of the digital subscriber line to be optimized as an initial optimization template, and setting the state of the digital subscriber line to be optimized in the optimization table as a short-term monitoring state;
here, after the step is completed, go to step 404; i.e. continue traversing other digital subscriber lines to be optimized.
Step 407, deleting the line information of the digital subscriber line to be optimized from the optimization table, adding the line information into the optimization result table, and setting the state of the digital subscriber line to be optimized in the result table as optimization failure;
here, after the step is completed, go to step 404; i.e. continue traversing other digital subscriber lines to be optimized.
And step 408, reading the optimization result table and outputting an optimization result report.
It should be noted that the optimization result report indicates which lines are successfully optimized, which lines are failed to be optimized, and the reason for the specific failure.
Fifth embodiment
Fig. 5 is a schematic specific flow chart of the optimization process under short-term monitoring of the digital subscriber line with successfully optimized stability in the optimization method of the digital subscriber line according to the embodiment of the present invention.
Step 501, starting a short-term monitoring strategy;
it should be noted here that the strategy period of the short-term monitoring strategy is 1 hour; starting a corresponding strategy timer after a short-term monitoring strategy is started;
step 502, receiving a policy timer timing message;
it should be noted that the timing message of the policy timer indicates that the counting of one policy period is completed when the timing message of the policy timer is received.
Step 503, the short-term monitoring strategy of the digital subscriber line is operated;
step 504, traversing the digital subscriber lines in the short-term monitoring state in the optimization table, and sequentially judging whether an unretraversed digital subscriber line in the short-term monitoring state exists;
if yes, that is, there is a short-term monitoring-state digital subscriber line that is not traversed, acquiring the short-term monitoring-state digital subscriber line and executing step 505; otherwise, ending the flow;
step 505, obtaining the link status information of the digital subscriber line in the short-term monitoring status, and determining whether the digital subscriber line is online;
if yes, go to step 506; if not, namely the device is not on-line, jumping to the step 504;
step 506, setting the number of short-term monitoring times plus one, and analyzing and judging whether the number of abnormal disconnection times of the digital subscriber line in the short-term monitoring state in the past hour exceeds a preset threshold value;
if not, go to step 507; if yes, go to step 510.
Step 507, obtaining the link establishment rate of the digital subscriber line in the short-term monitoring state, and judging whether the link establishment rate reaches the standard;
if yes, go to step 508; if not, go to step 511.
It should be noted that, the link establishment rate meeting the standard means that the link establishment rate of the digital subscriber line reaches the bandwidth rate contracted with the subscriber.
Step 508, obtaining the short-term monitoring times of the digital subscriber line in the short-term monitoring state, and judging whether the short-term monitoring times reaches the preset short-term monitoring times;
if yes, go to step 509; if not, go to step 513.
Step 509, setting the state of the digital subscriber line in the short-term monitoring state in the optimization table as being in the long-term monitoring state;
here, after the step is completed, go to step 504; i.e. to continue traversing the digital subscriber line for other short-term monitoring states.
Step 510, deleting the line information of the digital subscriber line in the short-term monitoring state from the optimization table, adding the line information into the optimization result table, and setting the state of the digital subscriber line in the short-term monitoring state in the result table as optimization failure;
here, after the step is completed, go to step 504; i.e. to continue traversing the digital subscriber line for other short-term monitoring states.
It should be noted that, at this time, the currently running template of the digital subscriber line in the short-term monitoring state is rolled back to the template before optimization.
Step 511, obtaining the next optimized template of the digital subscriber line in the short-term monitoring state according to a preset algorithm, and judging whether the next optimized template exists;
if yes, go to step 512; if not, return to step 510.
It should be noted here that this step is performed because the link establishment rate of the digital subscriber line does not meet the standard, and other optimization templates are used besides the initial optimization template. Here, the stability of the other templates is worse than that of the initial optimized template, i.e., the snr margin and the impulse noise protection value are smaller than those of the initial optimized template. But the link establishment rate of the digital subscriber line can be increased.
Step 512, configuring the line template of the digital subscriber line in the short-term monitoring state as a newly selected optimization template, and clearing the short-term monitoring times of the line;
here, after the step is completed, go to step 504; that is, other digital subscriber lines in short-term monitoring state are continuously traversed; and the short-term monitored state digital subscriber line will be run with the new optimized template.
Step 513 adds one to the number of short-term monitoring times of the dsl in the short-term monitoring state.
Here, after the step is completed, go to step 504; i.e. to continue traversing the digital subscriber line for other short-term monitoring states.
Sixth embodiment
Fig. 6 is a schematic specific flow chart of the optimization process under long-term monitoring for a digital subscriber line successfully optimized under short-term monitoring in the optimization method of a digital subscriber line according to the embodiment of the present invention.
Step 601, starting a long-term monitoring strategy;
it should be noted here that the policy period of the long-term monitoring policy is 1 day, and a corresponding policy timer is also started after the stability evaluation policy is started. The entire monitoring period is one week.
Step 602, receiving a policy timer timing message;
step 603, the long-term monitoring strategy of the digital subscriber line is operated;
step 604, traversing the digital subscriber lines in the long-term monitoring state in the optimization table, and sequentially judging whether an unretraversed digital subscriber line in the long-term monitoring state exists;
if yes, obtaining the digital subscriber line in the long-term monitoring state and executing step 605; if not, the flow is ended.
Step 605, determining whether the digital subscriber line in the long-term monitoring state is stable in the past day;
if yes, go to step 606; if not, go to step 608.
It should be noted that the stability status of the long-term monitoring status digital subscriber line on the past day can be obtained by the previous stability evaluation of the line.
Step 606, obtaining the long-term monitoring times of the digital subscriber line in the long-term monitoring state, and judging whether the long-term monitoring times reach the preset long-term monitoring times;
if yes, go to step 607; if not, go to step 609.
Step 607, deleting the line information of the digital subscriber line in the long-term monitoring state from the optimization table, adding the line information into the optimization result table, and setting the state of the digital subscriber line in the long-term monitoring state in the result table as successful optimization;
here, after the step is completed, go to step 604; and continuously traversing other digital subscriber lines with long-term monitoring states.
It should be noted that, deleting the line information of the dsl in the long-term monitoring state from the optimization table indicates that the dsl is still in a stable state after long-term monitoring, and the link establishment rate also reaches the standard, so that optimization is not required.
Step 608, deleting the line information of the digital subscriber line in the long-term monitoring state from the optimization table, adding the line information into the optimization result table, and setting the state of the digital subscriber line in the long-term monitoring state in the result table as optimization failure;
here, after the step is completed, go to step 604; i.e. to continue traversing the digital subscriber line for other short-term monitoring states.
It should be noted that, at this time, the currently running template of the digital subscriber line in the long-term monitoring state is rolled back to the template before optimization.
Step 609, add one to the number of long-term monitoring times of the digital subscriber line in the long-term monitoring state.
Here, after the step is completed, go to step 604; i.e. continue traversing other long-term monitored state digital subscriber lines.
It should be noted that, when the above-mentioned optimization processing under short-term monitoring and the optimization processing under long-term monitoring still do not eliminate abnormal drop or still do not improve the stability of the digital subscriber line, that is, the line fails to be optimized through the configuration processing, an external line modification mode can be assigned to try to solve the line problem. Therefore, the operation and maintenance efficiency of the digital subscriber line network and the stability of the digital subscriber line are improved, and the resource overhead is saved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. A method for optimizing a digital subscriber line, comprising:
acquiring digital subscriber lines under a plurality of network elements and link states of the digital subscriber lines;
performing stability evaluation on the digital subscriber line by using a frequency algorithm of abnormal disconnection of the digital subscriber line, and determining the digital subscriber line to be optimized;
according to the current operation template of the digital subscriber line to be optimized, establishing an optimization template corresponding to the link establishment rate of the digital subscriber line to be optimized;
optimizing and monitoring the digital subscriber line to be optimized according to the optimization template;
the steps of optimizing and monitoring the digital subscriber line to be optimized according to the optimization template comprise:
selecting an initial optimization template in the optimization templates, configuring the digital subscriber line to be optimized according to the initial optimization template, and performing stability optimization processing on the digital subscriber line to be optimized, wherein a target signal-to-noise ratio margin value and a pulse noise protection value in the initial optimization template are the largest;
optimizing the digital subscriber line with successfully optimized stability under short-term monitoring;
and carrying out optimization processing under long-term monitoring on the digital subscriber line successfully optimized under short-term monitoring.
2. The method of claim 1, wherein the step of obtaining the link status of the digital subscriber line comprises:
carrying out automatic batch processing configuration on the network elements;
and acquiring the link state of the digital subscriber line from the network elements after the automatic batch processing configuration.
3. The method according to claim 1, wherein the step of determining the digital subscriber line to be optimized by performing stability evaluation on the digital subscriber line by using a frequency algorithm for abnormal drop of the digital subscriber line comprises:
evaluating the stability of the digital subscriber line according to a formula MTBR (mean time between new links) which is the on-line duration/abnormal off-line times of the digital subscriber line, wherein the MTBR represents an average reestablishment time interval;
and when the abnormal offline times are greater than the preset offline times and the MTBR is less than the preset link establishment time interval, determining the digital subscriber line as the digital subscriber line to be optimized.
4. The method of claim 1, wherein the step of performing stability optimization on the digital subscriber line to be optimized comprises:
acquiring an initial optimization template and a current operation template of the digital subscriber line to be optimized;
judging whether the current operation template is consistent with the initial optimization template;
when the current operation template is inconsistent with the initial optimization template, configuring the line template of the digital subscriber line to be optimized as the initial optimization template;
and performing stability optimization on the digital subscriber line to be optimized according to the initial optimization template.
5. The method of claim 1, wherein the step of performing optimization under short-term supervision on the digital subscriber line whose stability optimization is successful comprises:
acquiring the link state of the digital subscriber line with successfully optimized stability;
when the link state is link connection, evaluating the short-term stability of the digital subscriber line with the successfully optimized stability according to the abnormal disconnection times and the link establishment rate of the digital subscriber line with the successfully optimized stability in the past preset hours, and determining the short-term stable digital subscriber line;
and when the short-term monitoring times of the short-term stable digital subscriber line reach first preset monitoring times, determining that the optimization of the short-term stable digital subscriber line under the short-term monitoring is successful.
6. The method according to claim 5, wherein when the link status is link connection, the short-term stability of the digital subscriber line whose stability is successfully optimized is evaluated according to the abnormal dropped times and the link establishment rate of the digital subscriber line whose stability is successfully optimized in the past preset hours, and the step of determining the short-term stable digital subscriber line comprises:
when the link state is link connection, accumulating short-term monitoring times and judging the abnormal disconnection times of the digital subscriber line with successfully optimized stability in the past preset hours;
when the abnormal offline times do not exceed the preset offline times, acquiring the link establishment rate of the digital subscriber line with successfully optimized stability;
and when the link establishment rate reaches a preset link establishment rate, determining the digital subscriber line with successfully optimized stability as a short-term stable digital subscriber line.
7. The method of optimizing a digital subscriber line according to claim 6, further comprising:
when the link establishment rate does not reach the preset link establishment rate, optimizing the digital subscriber line with successfully optimized stability under short-term monitoring by sequentially selecting the adjusting and optimizing template of the digital subscriber line with successfully optimized stability; and the target signal-to-noise ratio margin value in the adjusting and optimizing template is smaller than the target signal-to-noise ratio margin value in the initial optimizing template, and the impulse noise protection value in the adjusting and optimizing template is smaller than the impulse noise protection value in the initial optimizing template.
8. The method of claim 1, wherein the step of performing optimization processing under long-term monitoring on the digital subscriber line successfully optimized under short-term monitoring comprises:
acquiring the stable state of the digital subscriber line successfully optimized under the short-term monitoring in a preset period, wherein the preset period is more than one day;
and when the stable state is stable and the long-term monitoring times reach second preset monitoring times, determining that the digital subscriber line successfully optimized under the short-term monitoring is successfully optimized under the long-term monitoring.
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