CN113708956A - Circuit quality evaluation method - Google Patents

Circuit quality evaluation method Download PDF

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Publication number
CN113708956A
CN113708956A CN202110891638.9A CN202110891638A CN113708956A CN 113708956 A CN113708956 A CN 113708956A CN 202110891638 A CN202110891638 A CN 202110891638A CN 113708956 A CN113708956 A CN 113708956A
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CN
China
Prior art keywords
ping
alarm
qoe
sensing probe
optical modem
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CN202110891638.9A
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Chinese (zh)
Inventor
洪旻
李哲
吴学青
朱荣
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Guangdong Prim Tech Co ltd
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Guangdong Prim Tech Co ltd
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Priority to CN202110891638.9A priority Critical patent/CN113708956A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/50Testing arrangements
    • H04L43/55Testing of service level quality, e.g. simulating service usage
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0631Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/50Testing arrangements

Abstract

The invention discloses a circuit quality evaluation method, which is based on a QoE sensing probe deployed in a telecom operator optical modem terminal to perform ping test, wherein an embedded software QoE sensing probe is deployed in the optical modem terminal, and a system test is temporarily resident or permanently resident, the QoE sensing probe is based on a linux system, various QoE sensing probe commands are called through an internal linux bottom layer of the optical modem terminal to realize the ping test function, a third party QoE plug-in server is positioned in a TR069 intranet/public network and is pushed to the optical modem terminal by an ITMS server in an embedded upgrade packet mode, and a reference point probe is deployed in the metropolitan area network to provide the metro network reference point test. The invention uses the QoE sensing probe to acquire various monitoring data in real time and adopts the QoE user sensing evaluation system, thereby reflecting the actual sensing condition of the user to the network quality more specifically.

Description

Circuit quality evaluation method
Technical Field
The invention relates to the field of communication technology evaluation, in particular to a circuit quality evaluation method.
Background
The goal of the domestic telecommunication industry in this year is to develop communication operators with full service, and the same-industry operation and the same-quality competition will expand the competition relationship among the operators. According to the display of the news data of the financial newspaper, the total number of fixed internet broadband access users of three basic telecommunication enterprises reaches 4.83 hundred million households by 12 months in 2020, the fixed internet broadband access users increase by 6.9 percent on year-by-year basis, and the fixed internet broadband access users increase by 3349 million households compared with the fixed internet broadband access users at the end of the last year. Wherein, the optical fiber access users account for 4.51 hundred million households, which account for 93.4% of the total number of the fixed internet broadband access users; the fixed internet broadband access users with the access rate of 100Mbps or above reach 4.32 hundred million users, account for 89.4 percent of the total number of users, and account for 0.7 percent of improvement at the end of 10 months; the fixed internet broadband access users with the access rate of 1000Mbps and above reach 588 thousands of users, and the number of the users is increased by 501 thousands of users compared with the number of the users in the last year (87 thousands of users). Therefore, the network maintenance capacity of the operator is enhanced, the customer perception is improved, the user is retained, the user scale is enlarged, the market share is continuously improved, and the network maintenance method becomes the key for the survival and the profit of the communication operator. According to the research data, 65% of users will actively try another access technology when the user perception is low, 22% of users will give up trying to access, and only 13% of users will try to access the same network again, so that good circuit quality is the key to guarantee the success of a communication service.
In the prior art, a simple ping test can be initiated to check the index of the time delay packet loss, however, the mode for judging the quality of the network circuit is single, and the actual perception of the user circuit cannot be objectively and quantitatively fed back.
Disclosure of Invention
The invention provides a circuit quality evaluation method which can solve the technical problems that the mode for judging the quality of a network circuit is single and the actual perception of a user circuit cannot be fed back objectively and quantitatively. In order to solve the technical problem, the invention adopts a circuit quality evaluation method, which comprises the following steps:
the method comprises the steps that firstly, ping test is carried out based on a QoE sensing probe deployed in a telecom operator optical modem terminal, an embedded software QoE sensing probe is deployed in the optical modem terminal, a system test is temporarily resident or permanently resident, the QoE sensing probe is based on a linux system, various QoE sensing probe commands are called through an internal linux bottom layer of the optical modem terminal to achieve a ping test function, a third party QoE plug-in server is located in a TR069 intranet/public network, the third party QoE plug-in server is pushed to the optical modem terminal through an ITMS server in an embedded upgrading packet mode, a reference point probe is deployed in a metropolitan area network, and a metropolitan area network reference point test is provided;
secondly, performing ping test by the QoE sensing probe;
and thirdly, judging the quality of the circuit according to the ping test result.
Preferably, the method for determining the circuit quality in step three includes: : and taking a ping time delay alarm, a ping packet loss alarm, a ping first screen delay alarm, an abnormal restart alarm of a ping photometric cat terminal, a ping network disconnection alarm, a ping photometric cat terminal CPU and a memory alarm as QOC scores, setting the total score to be 6, wherein a single item is 1 score, an alarm is given, a score is 0, and an alarm is given no more than 1, and when the total score of Qoc is less than 3 or equal to 3, the circuit quality is judged to be poor.
Preferably, the ping test performed by the QoE sensing probe in the second step includes: ping time delay alarm, ping packet loss alarm, ping first screen delay alarm, ping light measuring cat terminal abnormal restart alarm, ping network break alarm, ping light measuring cat terminal CPU and memory alarm.
Preferably, the Ping time delay alarm: performing ping test on a QoE sensing probe to a network node of an operator city domain based on an Internet Control Message Protocol (ICMP) to obtain ping test delay, performing data storage operation on delay data, recording one alarm when the ping delay exceeds 100ms delay, and recording the single QoC score as 0 score;
preferably, ping detects packet loss alarm: performing ping test on a QoE sensing probe to a network node of an operator city domain based on an Internet Control Message Protocol (ICMP) to obtain ping test packet loss rate, performing data storage operation on packet loss data, and recording an alarm when the ping test packet loss exceeds 2%, wherein the individual QoC score is 0;
preferably, the ping measures the first screen delay alarm: simulating a user to access and open a webpage by a QoE (quality of experience) sensing probe based on a Hypertext Transfer Protocol (HTTP), obtaining a first screen delay (ms), namely the time spent on displaying all contents in a first screen of a user browser, performing data storage operation on first screen delay data, and recording a first screen delay alarm when the first screen delay exceeds an absolute value, wherein the score of a single item QoC is 0 point;
preferably, the ping photometry cat terminal abnormal restart alarm: the QoE sensing probe is automatically loaded when the optical modem terminal is started, when the optical modem terminal is disconnected from a network or the utilization rate of a CPU (central processing unit) memory is more than 80%, the optical modem terminal can restart the QoE sensing probe, a restart alarm and a performance degradation alarm of the optical modem terminal are obtained based on the above principles, the QoE sensing probe and a system are loaded once when the optical modem terminal is started, and under the condition of non-manual intervention, the QoE sensing probe is judged to be an abnormal restart when the number of times of starting the optical modem terminal exceeds 5 times and 5 times are included;
preferably, the ping network-disconnection warning comprises: the QoE sensing probe is based on an Internet Control Message Protocol (ICMP), and the QoE sensing probe performs ping measurement on a network node of an urban area of an operator, if 100% packet loss occurs, namely a user has a network break, the QoE sensing probe also records a network break alarm, and the single item QoC score is 0;
preferably, ping tests the user terminal CPU and memory alarm: the QoE perception probe is automatically loaded when the optical modem terminal is started, when the optical modem terminal is disconnected from a network or the utilization rate of a CPU (Central processing Unit) memory is more than 80%, the optical modem terminal can restart the QoE perception probe, and based on the principle, the system records that the optical modem terminal is restarted for more than 5 times, and then records that the quality is poor (the optical modem terminal is restarted to indicate that the network is disconnected or the performance loss is too high).
Preferably, the circuit quality (Cricuit) score calculation in step three (hereinafter referred to as QoC):
a day QoC score ∑ one-day single alarm capability (Ping time delay alarm, Ping packet loss measurement alarm, Ping first screen measurement delay alarm, Ping network disconnection measurement alarm, Ping light-measuring cat terminal abnormal restart alarm and/or Ping user terminal CPU and memory alarm, no ═ 1, and some ═ 0);
a week QoC score ∑ week single alarm capability (Ping time delay alarm, Ping packet loss alarm, Ping first screen delay alarm, Ping network disconnection alarm, Ping light cat terminal abnormal restart alarm and/or Ping user terminal CPU and memory alarm, no ═ 1, and some ═ 0);
month QoC score ═ Σ day circuit quality index per month/number of days in the month;
when the Qoc total score is less than 3 or equal to 3, it is determined that the circuit quality (reliability of Cricuit) is poor.
The invention has the beneficial effects that: the data acquisition through the real-time detection of the probe helps an operation and maintenance department to find network performance degradation and faults, factors influencing user perception experience degradation are mined and analyzed, data mining is carried out on the condition of large-area degradation, and possible network node faults are found in advance. Fault analysis and diagnosis: the quality evaluation and troubleshooting of the data network can analyze and judge problems occurring in the application and can monitor the network and the network at the access side in real time. Active alarm discovery: the system can actively identify performance problems, such as routing congestion, outlet direction service quality degradation and large-area abnormity of regional service quality for analysis, generate alarm information, output a quality of circuit (quality of criuit) user list, and help assembly and maintenance personnel to accurately analyze and pre-troubleshoot faults.
The evaluation method can be used for objectively detecting, analyzing, processing and uploading the network quality data, greatly shortens the time from the network fault to the time when operation and maintenance personnel check the problem, and improves the equipment experience of users. Meanwhile, the QoE user perception evaluation system is adopted, so that the feeling of the user on the network quality can be reflected more specifically. The circuit quality evaluation method is simple in structure, precise in algorithm and suitable for evaluation requirements of the communication industry on circuit quality.
Drawings
FIG. 1 is a flow chart of a circuit quality evaluation method according to the present invention;
FIG. 2 is a schematic diagram of a QoE sensing probe according to the present invention;
FIG. 3 is a schematic diagram of the Ping measurement principle of the present invention;
FIG. 4 is a schematic diagram of a webpage access flow of ping first screen delay alarm according to the present invention;
FIG. 5 is a table showing the day/week/month QoC scores of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a circuit quality evaluation method, which comprises the following steps:
the method comprises the steps that firstly, ping test is carried out based on a QoE sensing probe deployed in a telecom operator optical modem terminal, an embedded software QoE sensing probe is deployed in the optical modem terminal, a system test is temporarily resident or permanently resident, the QoE sensing probe is based on a linux system, various QoE sensing probe commands are called through an internal linux bottom layer of the optical modem terminal to achieve a ping test function, a third party QoE plug-in server is located in a TR069 intranet/public network, the third party QoE plug-in server is pushed to the optical modem terminal through an ITMS server in an embedded upgrading packet mode, a reference point probe is deployed in a metropolitan area network, and a metropolitan area network reference point test is provided;
secondly, performing ping test by the QoE sensing probe;
and step three, using ping time delay alarm, ping packet loss alarm, ping first screen time delay alarm, ping photometric cat terminal abnormal restart alarm, ping network disconnection alarm, ping photometric cat terminal CPU and memory alarm as calculation QOC scores, setting the total score as 6, wherein the single item is 1 score, the alarm is present, the score is 0 score and the alarm is absent, the score is 1 score, and when Qoc total score is less than 3 or equal to 3, the circuit quality is judged to be poor.
As a further embodiment, the ping test performed by the QoE sensing probe in step two comprises: ping time delay alarm, ping packet loss alarm, ping first screen delay alarm, ping light measuring cat terminal abnormal restart alarm, ping network break alarm, ping light measuring cat terminal CPU and memory alarm.
As a further embodiment, the ping time delay alarm: performing ping test on a QoE sensing probe to a network node of an operator city domain based on an Internet Control Message Protocol (ICMP) to obtain ping test delay, performing data storage operation on delay data, recording one alarm when the ping delay exceeds 100ms delay, and recording the single QoC score as 0 score;
ping packet loss detection and alarm: performing ping test on a QoE sensing probe to a network node of an operator city domain based on an Internet Control Message Protocol (ICMP) to obtain ping test packet loss rate, performing data storage operation on packet loss data, and recording an alarm when the ping test packet loss exceeds 2%, wherein the individual QoC score is 0;
ping first screen measurement time delay alarm: simulating a user to access and open a webpage by a QoE (quality of experience) sensing probe based on a Hypertext Transfer Protocol (HTTP), obtaining a first screen delay (ms), namely the time spent on displaying all contents in a first screen of a user browser, performing data storage operation on first screen delay data, and recording a first screen delay alarm when the first screen delay exceeds an absolute value, wherein the score of a single item QoC is 0 point;
and (3) the ping photometry cat terminal abnormal restart alarm: the QoE sensing probe is automatically loaded when the optical modem terminal is started, when the optical modem terminal is disconnected from a network or the utilization rate of a CPU (central processing unit) memory is more than 80%, the optical modem terminal can restart the QoE sensing probe, a restart alarm and a performance degradation alarm of the optical modem terminal are obtained based on the above principles, the QoE sensing probe and a system are loaded once when the optical modem terminal is started, and under the condition of non-manual intervention, the QoE sensing probe is judged to be an abnormal restart when the number of times of starting the optical modem terminal exceeds 5 times and 5 times are included;
and (3) ping network disconnection warning: the QoE sensing probe is based on an Internet Control Message Protocol (ICMP), and the QoE sensing probe performs ping measurement on a network node of an urban area of an operator, if 100% packet loss occurs, namely a user has a network break, the QoE sensing probe also records a network break alarm, and the single item QoC score is 0;
the ping tests the CPU and memory alarm of the user terminal: the QoE perception probe is automatically loaded when the optical modem terminal is started, when the optical modem terminal is disconnected from a network or the utilization rate of a CPU (Central processing Unit) memory is more than 80%, the optical modem terminal can restart the QoE perception probe, and based on the principle, the system records that the optical modem terminal is restarted for more than 5 times, and then records that the quality is poor (the optical modem terminal is restarted to indicate that the network is disconnected or the performance loss is too high).
As a further embodiment, the method for calculating the quality of circuit (reliability of Cricuit) score in step three (hereinafter referred to as QoC) is as follows:
the daily QoC score is sigma of a single alarm capability in one day (ping time delay alarm, ping packet loss alarm, ping first screen delay alarm, ping network disconnection alarm, ping photometric cat terminal abnormal restart alarm and/or ping user terminal CPU and memory alarm, no is 1, and some is 0);
a week QoC score ∑ week single alarm capability (Ping time delay alarm, Ping packet loss alarm, Ping first screen delay alarm, Ping network disconnection alarm, Ping light cat terminal abnormal restart alarm and/or Ping user terminal CPU and memory alarm, no ═ 1, and some ═ 0);
month QoC score ═ Σ day circuit quality index per month/number of days in the month;
when the Qoc total score is less than 3 or equal to 3, it is determined that the circuit quality (reliability of Cricuit) is poor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A circuit quality evaluation method is characterized by comprising the following steps:
the method comprises the steps that firstly, ping test is carried out based on a QoE sensing probe deployed in a telecom operator optical modem terminal, an embedded software QoE sensing probe is deployed in the optical modem terminal, a system test is temporarily resident or permanently resident, the QoE sensing probe is based on a linux system, various QoE sensing probe commands are called through an internal linux bottom layer of the optical modem terminal to achieve a ping test function, a third party QoE plug-in server is located in a TR069 intranet/public network, the third party QoE plug-in server is pushed to the optical modem terminal through an ITMS server in an embedded upgrading packet mode, a reference point probe is deployed in a metropolitan area network, and a metropolitan area network reference point test is provided;
secondly, performing ping test by the QoE sensing probe;
and thirdly, judging the quality of the circuit according to the ping test result.
2. A circuit quality evaluation method according to claim 1, wherein in the second step, the ping test performed by the QoE sensing probe is at least one of a ping delay alarm, a ping packet loss alarm, a ping first screen delay alarm, a ping cat photometer terminal abnormal restart alarm, a ping network disconnection alarm, or a ping cat photometer terminal CPU and memory alarm.
3. A circuit quality evaluation method according to claim 2, wherein the method for determining the circuit quality in the third step comprises: and taking ping time delay alarm, ping packet loss alarm, ping first screen delay alarm, ping photometric cat terminal abnormal restart alarm, ping network disconnection alarm or ping photometric cat terminal CPU and memory alarm as QOC scores, setting the total score to be 6, wherein the single item is 1 score, the alarm is given by 0 score and the alarm is not given by 1 score, and when the total score of Qoc is less than 3 or equal to 3, judging that the circuit quality is poor.
4. The circuit quality evaluating method according to claim 3, wherein the Qoc score calculating method comprises:
a day QoC score ∑ one-day single alarm capability (Ping time delay alarm, Ping packet loss measurement alarm, Ping first screen measurement delay alarm, Ping network disconnection measurement alarm, Ping light-measuring cat terminal abnormal restart alarm and/or Ping user terminal CPU and memory alarm, no ═ 1, and some ═ 0);
a week QoC score ∑ week single alarm capability (Ping time delay alarm, Ping packet loss alarm, Ping first screen delay alarm, Ping network disconnection alarm, Ping light cat terminal abnormal restart alarm and/or Ping user terminal CPU and memory alarm, no ═ 1, and some ═ 0);
month QoC score ═ Σ day circuit quality index per month/number of days in the month;
when the total score of Qoc is less than 3 or equal to 3, the quality of the circuit is determined to be poor.
5. The circuit quality evaluation method according to claim 4, wherein the Ping delay alarm specifically comprises: and the QoE sensing probe performs ping test on the nodes of the operator urban area network based on an Internet control message protocol to obtain ping test time delay, performs data storage operation on time delay data, and records an alarm when the ping time delay exceeds 100ms, wherein the single QoC score is 0.
6. The circuit quality evaluation method according to claim 4, wherein the Ping packet loss alarm specifically comprises: and (3) performing ping test on the nodes of the operator urban area network by the QoE sensing probe based on an Internet control message protocol to obtain the ping test packet loss rate, performing data storage operation on packet loss data, and recording an alarm once when the ping test packet loss exceeds 2%, wherein the individual QoC score is 0.
7. A circuit quality evaluation method according to claim 4, wherein the ping first screen delay alarm specifically comprises: and simulating a user to access and open a webpage by the QoE sensing probe based on a hypertext transfer protocol to obtain the first screen delay, namely the time spent on displaying all contents in the first screen of the user browser, performing data storage operation on the first screen delay data, and recording a first screen delay alarm when the first screen delay exceeds an absolute value, wherein the single QoC score is 0.
8. The circuit quality evaluation method according to claim 4, wherein the ping photometric cat terminal abnormal restart alarm specifically comprises: the QoE sensing probe is automatically loaded when the optical modem terminal is started, when the optical modem terminal is disconnected from a network or the utilization rate of a CPU (central processing unit) memory is more than 80%, the optical modem terminal can restart the QoE sensing probe, a restart alarm and a performance degradation alarm of the optical modem terminal are obtained based on the above principles, the QoE sensing probe is loaded once and recorded once by a system when the optical modem terminal is started, and under the condition of non-manual intervention, the optical modem terminal is judged to be abnormally restarted once when the startup frequency of the optical modem terminal exceeds 5 times and contains 5 times.
9. The circuit quality evaluation method according to claim 4, wherein the Ping outage network alarm specifically comprises: the QoE sensing probe is based on an internet control message protocol, and the QoE sensing probe conducts ping test on the urban network nodes of the operators, if 100% of packet loss occurs, namely a user breaks the network, one-time network breaking alarm is recorded, and the score of a single item QoC is 0.
10. The circuit quality evaluation method according to claim 4, wherein the Ping test user terminal CPU and memory alarm specifically comprises: the QoE sensing probe is automatically loaded when the optical modem terminal is started, when the optical modem terminal is disconnected from a network or the utilization rate of a CPU (Central processing Unit) memory is more than 80%, the optical modem terminal can restart the QoE sensing probe, and based on the principle, the system records that the optical modem terminal is restarted for more than 5 times, and then records that the quality is poor once.
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