CN116915577A

CN116915577A - Method, device, equipment, terminal and storage medium for diagnosing service quality difference fault

Info

Publication number: CN116915577A
Application number: CN202310347852.7A
Authority: CN
Inventors: 郝丽; 王晴; 赵睿; 王曦泽; 蔡佳翌
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-10-20

Abstract

The invention provides a method, a device, equipment, a terminal and a storage medium for diagnosing a poor service quality fault, and relates to the technical field of communication. According to the service quality difference fault diagnosis method, user plane data of target service are analyzed to obtain service perception index values, and the service perception index values are compared with the received service quality difference fault detection threshold values; and sending a service quality difference fault alarm to the edge server when the quality difference fault occurs to the target service. And the edge server sends a first request according to the received service quality difference fault alarm, so that a quality difference fault diagnosis result is determined according to feedback information aiming at the first request. The scheme of the invention can support the active discovery and automatic diagnosis of the quality difference faults of the service, is applicable to various different service scenes, helps operators to timely check the quality difference faults, and reduces the cost of on-site operation and maintenance. The method solves the problem that in the field of multi-user-oriented service quality monitoring, a quantitative evaluation method and an automatic monitoring means for service experience quality are lacked.

Description

Method, device, equipment, terminal and storage medium for diagnosing service quality difference fault

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, a terminal, and a storage medium for diagnosing a poor quality of service fault.

Background

The quality of service experience (Quality of Experience, qoE) is user experience or user perception, and refers to comprehensive subjective feelings of users on quality and performance (including availability and usability) of devices, networks, systems, applications or services, in the field of mobile communication, the quality of service experience of users refers to subjective feelings of users on service performance provided by networks, which can be represented by a method of proximity quantification, such as monitoring video service quality facing personal services, while in the field of monitoring service quality facing multi-users, a method of quantitatively evaluating service experience quality and an automatic monitoring means are absent, and the existing method of evaluating service experience quality of users facing personal services cannot be applied to different service scenes and user requirements.

Disclosure of Invention

The invention aims to provide a method, a device, equipment, a terminal and a storage medium for diagnosing poor service quality faults, which are used for solving the problems of lack of a quantitative evaluation method and an automatic monitoring means of service experience quality in the field of multi-user-oriented service quality monitoring in the prior art.

In order to achieve the above objective, an embodiment of the present invention provides a method for diagnosing a poor quality of service fault, including:

analyzing user plane data of a target service of a target terminal to obtain a service perception index value of the target service;

and under the condition that the service perception index value is larger than the service quality difference fault detection threshold value, sending a service quality difference fault alarm to an edge server, wherein the service quality difference fault detection threshold value is determined according to the control plane signaling data of the target service.

Further, the service quality difference fault diagnosis method further comprises the following steps:

analyzing the control plane signaling data of the target service to obtain user identification data, wherein the user identification data comprises: user number, data network name, and network slice selection auxiliary information;

transmitting the user identification data to the edge server;

and receiving a service quality difference fault detection threshold value sent by the edge server.

Further, the analyzing the user plane data of the target service of the target terminal to obtain a service perception index value of the target service includes:

analyzing user plane data of a target service of a target terminal, and determining a service type of the target service;

Analyzing a transmission control protocol data packet in the user plane data under the condition that the service type of the target service is a video transmission type service to obtain first data comprising the round trip delay of the data packet, the transmission number of the data packet in unit time and the effective data length;

and determining a service perception index comprising the uplink transmission rate and/or the transmission delay according to the first data.

Further, the service quality difference fault alarm comprises:

and alarming time stamp of the business quality difference fault alarm, terminal information of the target terminal, the uplink transmission rate and the transmission time delay.

under the condition that the service type of the target service is real-time interactive service, analyzing the interactive control protocol data in the user plane data to obtain second data comprising interactive delay and interactive interruption times;

And determining the service perception index comprising the service response success rate and/or the interaction time delay according to the second data.

Further, the service quality difference fault alarm comprises:

and the service quality difference fault alarm time stamp, the terminal information of the target terminal and the protocol type.

In order to achieve the above objective, an embodiment of the present invention provides a method for diagnosing a poor quality of service fault, which is applied to an edge server, and includes:

receiving a fault alarm of poor service quality;

sending a first request according to the service quality difference fault alarm, wherein the first request is as follows: transmitting a state information acquisition request of a target terminal, a dial testing request transmitted to core network equipment and the target terminal and a log data acquisition request transmitted to the target terminal to a network management system;

determining a quality difference fault diagnosis result according to the received feedback information, wherein the feedback information is as follows: the state information of the target terminal sent by the network management system, the dial testing result data sent by the core network equipment and the log data sent by the target terminal.

receiving user identification data, the user identification data comprising: user number, data network name, and network slice selection auxiliary information;

Acquiring user subscription data of a target terminal from a network management system according to the user identification data;

determining a service quality difference fault detection threshold of the target terminal according to the user subscription data;

and sending the service quality difference fault detection threshold value.

Further, the obtaining the user subscription data from the network management system according to the user identification data includes:

acquiring service level protocol guarantee information of the target terminal from a unified data management database of the network management system according to the user identification data;

the determining a service quality difference fault detection threshold according to the user subscription data comprises the following steps:

and determining a service quality difference fault detection threshold of the target terminal according to the service level protocol guarantee information.

Further, the service quality difference fault alarm comprises: alarming time stamp and terminal information of the target terminal;

the log data acquisition request includes:

acquiring requests of log data in a first preset time period and a second preset time period, wherein the first preset time period is a time period before a first time, the second preset time period is a time period after the first time, and the first time is a time corresponding to the alarm time stamp.

Further, in the case that the service type of the target terminal is a video transmission service, the service quality difference fault detection threshold of the target terminal includes:

a first threshold of an uplink rate and/or a second threshold of a transmission delay;

the service quality difference fault alarm comprises the following steps: an uplink speed abnormal alarm and/or a transmission delay abnormal alarm;

and the service type is determined according to the service quality difference fault alarm.

Further, the determining the quality difference fault diagnosis result according to the received feedback information includes at least one of the following:

determining that the quality difference fault diagnosis result is arrearage or flow controlled of the target terminal according to the state information of the target terminal;

determining that the quality difference fault diagnosis result is a first delay abnormality and/or a second delay abnormality according to the dial test result data, wherein the first delay is the transmission delay between the terminal and the core network equipment, and the second delay is the transmission delay between the core network equipment and the edge server;

and determining that the quality difference fault diagnosis result is a first quality difference fault according to the log data, wherein the first quality difference fault is a service response fault between the terminal and the core network equipment.

Further, in the case that the service type of the target terminal is a real-time interactive service, the service quality difference fault detection threshold of the target terminal includes:

a third threshold of the service response success rate and/or a fourth threshold of the interaction time delay;

the service quality difference fault alarm comprises the following steps: the service responds to the abnormal alarm of the success rate and/or the abnormal alarm of the interaction time delay;

Further, the determining the quality difference fault diagnosis result according to the received feedback information includes:

determining that the quality difference fault diagnosis result is a first delay abnormality and/or a second delay abnormality according to the dial test result data, wherein the first delay is the transmission delay between the terminal and the core network equipment, and the second delay is the transmission delay between the core network equipment and the edge server; and/or the number of the groups of groups,

and determining that the quality difference fault diagnosis result is a first quality difference fault and/or a second quality difference fault according to the log data, wherein the first quality difference fault is a service response fault between the terminal and the core network equipment, and the second quality difference fault is a service response fault between the core network equipment and the edge server.

In order to achieve the above objective, an embodiment of the present invention provides a method for diagnosing a poor quality of service fault, which is applied to a terminal, and includes:

the method comprises the steps of storing log data of the terminal, wherein the log data comprise equipment operation information and signaling interaction information;

and after receiving the reading request of the edge server, sending the log data to the edge server.

To achieve the above object, an embodiment of the present invention provides a poor quality of service fault diagnosis apparatus, including:

the analysis module is used for analyzing the user plane data of the target service of the target terminal to obtain a service perception index value of the target service;

and the alarm module is used for sending a business quality difference fault alarm to an edge server under the condition that the business perception index value is larger than the business quality difference fault detection threshold value, wherein the business quality difference fault detection threshold value is determined according to the control plane signaling data of the target business.

To achieve the above object, an embodiment of the present invention provides a poor quality of service fault diagnosis device, applied to an edge server, including:

the receiving module is used for receiving the fault alarm of the business quality difference;

the first sending module is configured to send a first request according to the service quality difference fault alarm, where the first request includes: transmitting a state information acquisition request of a target terminal, a dial testing request transmitted to core network equipment and the target terminal and a log data acquisition request transmitted to the target terminal to a network management system;

The determining module is used for determining a quality difference fault diagnosis result according to the received feedback information, wherein the feedback information comprises: the state information of the target terminal sent by the network management system, the dial testing result data sent by the core network equipment and the log data sent by the target terminal.

To achieve the above object, an embodiment of the present invention provides a device for diagnosing a poor quality of service fault, which is applied to a terminal, including:

the storage module is used for storing log data of the terminal, wherein the log data comprises equipment operation information and signaling interaction information;

and the second sending module is used for sending the log data to the edge server after receiving the reading request of the edge server.

To achieve the above object, an embodiment of the present invention provides a poor quality of service fault diagnosis apparatus, including: a transceiver and a processor;

the processor is used for analyzing the user plane data of the target service of the target terminal to obtain a service perception index value of the target service;

the transceiver is configured to send a service quality difference fault alert to an edge server if the service awareness indicator is greater than the service quality difference fault detection threshold, where the service quality difference fault detection threshold is determined according to control plane signaling data of the target service.

To achieve the above object, an embodiment of the present invention provides a poor quality of service fault diagnosis apparatus, applied to an edge server, including: a transceiver and a processor;

the transceiver is used for receiving the fault alarm of the business quality difference;

sending a first request according to the service quality difference fault alarm, wherein the first request comprises: transmitting a state information acquisition request of a target terminal, a dial testing request transmitted to core network equipment and the target terminal and a log data acquisition request transmitted to the target terminal to a network management system;

the processor is used for determining a quality difference fault diagnosis result according to the received feedback information, and the feedback information comprises: the state information of the target terminal sent by the network management system, the dial testing result data sent by the core network equipment and the log data sent by the target terminal.

To achieve the above object, an embodiment of the present invention provides a poor quality of service fault diagnosis apparatus, applied to a terminal, including: a transceiver and a processor;

the processor is used for storing log data of the terminal, wherein the log data comprises equipment operation information and signaling interaction information;

the transceiver is used for sending the log data to the edge server after receiving the reading request of the edge server.

To achieve the above object, an embodiment of the present invention provides a terminal including a processor and a transceiver, wherein,

to achieve the above object, an embodiment of the present invention provides a mobile terminal including a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; and the processor executes the program or the instructions to realize the business quality difference fault diagnosis method.

To achieve the above object, an embodiment of the present invention provides a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps in the poor quality of service fault diagnosis method as described above.

The technical scheme of the invention has the following beneficial effects:

according to the service quality difference fault diagnosis method, the user plane data of the target service is analyzed through the core network equipment to obtain the service perception index value of the target service, and a service quality difference fault alarm is sent to the edge server when the target service breaks down according to the received service quality difference fault detection threshold value. And the edge server sends the first request according to the received service quality difference fault alarm, so that a quality difference fault diagnosis result is determined according to feedback information aiming at the first request. The scheme of the invention can support the active discovery and automatic diagnosis of the business quality difference faults, is applicable to various different business scenes, helps operators to discover and troubleshoot the faults in time, and reduces the labor cost and time cost of on-site operation and maintenance.

Drawings

Fig. 1 is a flow chart of a service quality difference fault diagnosis method applied to core network equipment according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a connection structure of a core network device, an edge server, and a terminal according to an embodiment of the present invention;

fig. 3 is a flow chart of a business quality difference fault diagnosis method applied to an edge server according to an embodiment of the invention;

fig. 4 is a flow chart of a service quality difference fault diagnosis method applied to a terminal according to an embodiment of the present invention;

FIG. 5 is a logic diagram of a method for diagnosing a poor quality of service fault according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a device for diagnosing poor quality of service fault applied to a core network device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a poor quality of service fault diagnosis device applied to an edge server according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a poor quality of service fault diagnosis device applied to a terminal according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a poor quality of service fault diagnosis device applied to a core network device according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a poor quality of service fault diagnosis device applied to an edge server according to an embodiment of the present invention;

Fig. 11 is a schematic structural diagram of a poor quality of service fault diagnosis device applied to a terminal according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a terminal according to an embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

In addition, the terms "system" and "network" are often used interchangeably herein.

In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B may be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.

As shown in fig. 1, the method for diagnosing a poor quality of service fault according to the embodiment of the present application includes the following steps:

and step 101, analyzing user plane data of target service of a target terminal to obtain a service perception index value of the target service.

Optionally, the analyzing the user plane data of the target service of the target terminal to obtain a service perception index value of the target service includes:

analyzing the user plane data by a depth detection technology (Deep Packet Inspection, DPI) based on data packets to obtain analysis data, wherein the user plane data comprises data packets of a transmission layer, a network layer and an application layer;

and determining the service type and the service perception index value of the target service according to the analysis data.

The service perception index value supports the output of sub-terminals and sub-services.

Optionally, as shown in fig. 2, the user plane data is determined according to mirror data collected through a first interface (for example, an N3 interface) disposed between the core network device and the base station.

And step 102, sending a service quality difference fault alarm to an edge server under the condition that the service perception index value is larger than the service quality difference fault detection threshold value, wherein the service quality difference fault detection threshold value is determined according to the control plane signaling data of the target service.

According to the business quality difference fault diagnosis method, the business perception index value of the target business is obtained by analyzing the user plane data of the target business, and the business quality difference fault alarm is sent to the edge server when the target business breaks down according to the received business quality difference fault detection threshold value, so that a trigger condition can be provided for the edge server to detect the business faults.

Optionally, the service quality difference fault diagnosis method further includes:

transmitting the user identification data to the edge server;

Optionally, as shown in fig. 2, the control plane signaling data is determined according to mirror data collected through a second interface (e.g., N4 interface) provided between a session management function (Session Management Function, SMF) and a user plane function (User Plane Function, UPF) of the core network device.

Optionally, the parsing the control plane signaling data of the target service to obtain user identification data includes:

the control plane signaling data is parsed by a packet-based depth detection technique to obtain a user number, a data network name (Data Network Name, DNN), and network slice selection assistance information (network slice selection assistance information, nsaai).

Optionally, the subscriber number is used for subscriber identity data statistics of a single terminal, DNN is used for subscriber identity data statistics of a full class of industry subscribers, nsai is used for subscriber identity data statistics of a specific quality of service (Quality of Service, qoS) guarantee.

According to the business quality difference fault diagnosis method, the user identification data is obtained by analyzing the control plane signaling data of the target business, and the edge server can determine the business quality difference fault detection threshold value of the target business according to the user identification data by sending the user identification data to the edge server, so that the business perception index of the target business is primarily diagnosed.

In an embodiment of the present invention, the control plane signaling data is collected and parsed through the second interface to obtain user identification data, and the user identification data is sent to the edge server, so that the edge server determines the service quality difference fault detection threshold;

And the user plane data is acquired and analyzed through the first interface, the obtained service perception index value is simultaneously subjected to preliminary diagnosis according to the service quality difference fault detection threshold value sent by the edge server, and when the service perception index value is larger than the service quality difference fault detection threshold value, a service quality difference fault alarm is sent to the edge server.

In an embodiment of the present invention, according to the characteristic that the high-definition video transmission is usually 7×24 hours data transmission mode, in order to avoid the problems of multiple protocol types of video transmission application layer and difficult resolution of private protocol, the packet grabbing and resolving corresponding data packets of transmission layer transmission control protocol (Transmission Control Protocol, TCP) obtain the round-trip delay RTT (Round Trip Time) of the data packets, the number of data packets sent/received in unit time, the effective data length len, and so on.

Optionally, the service quality difference fault alarm includes:

Optionally, in the case that the service type of the target service is a video transmission type service, the terminal information is a subscriber identity card (Subscriber Identity Module, SIM) number of the terminal.

According to the business quality difference fault diagnosis method, the alarm time stamp, the terminal information of the target terminal, the uplink transmission rate and the transmission time delay are sent to the edge server in the business quality difference fault alarm mode, so that the edge server can determine the quality difference fault diagnosis result of the target business according to the business quality difference fault alarm.

In an embodiment of the present invention, a main stream interactive control protocol such as MODBUS, DASHBOARD is adapted to the analysis of the user plane data, so as to obtain and calculate QoE indexes such as an interactive delay (service response duration), a service response success rate (interactive interruption frequency), and the like.

Optionally, the service quality difference fault alarm includes:

Optionally, in the case that the service type of the target service is a real-time interactive service, the terminal information is an IP of the terminal.

As shown in fig. 3, the method for diagnosing poor service quality fault in the embodiment of the invention is applied to an edge server and comprises the following steps:

And step 301, receiving a fault alarm of poor service quality.

Step 302, sending a first request according to the service quality difference fault alarm, wherein the first request is as follows: the method comprises the steps of obtaining a state information obtaining request of a target terminal sent to a network management system, a dial testing request sent to core network equipment and the target terminal, and a log data obtaining request sent to the target terminal.

Optionally, if the service quality difference fault alarm is an uplink rate abnormality alarm, the first request is a state information acquisition request of a target terminal sent to the network management system;

if the service quality difference fault alarm is a transmission delay abnormal alarm, the first request is a dial testing request sent to the core network equipment and the target terminal;

and if the service quality difference fault alarm is an uplink rate abnormal alarm and the network management system has no root cause output, the first request is a log data acquisition request sent to the target terminal.

Optionally, the network management system is an operator network management system.

Step 303, determining a quality difference fault diagnosis result according to the received feedback information, wherein the feedback information is as follows: the state information of the target terminal sent by the network management system, the dial testing result data sent by the core network equipment and the log data sent by the target terminal.

Optionally, the state information of the target terminal includes:

subscription information, fee information and policy information of the target terminal.

According to the service quality difference fault diagnosis method, the first request is sent according to the received service quality difference fault alarm, so that a quality difference fault diagnosis result is determined according to feedback information aiming at the first request. The scheme of the invention supports active discovery and automatic diagnosis of the fault with poor service quality, can be suitable for various different service scenes, helps field operators to discover and troubleshoot the fault in time, and reduces the labor cost and time cost of field operation and maintenance.

and sending the service quality difference fault detection threshold value.

According to the business quality difference fault diagnosis method, the user subscription data of the target terminal is acquired from the network management system through the received user identification data, so that the business quality difference fault detection threshold of the target terminal is determined according to the subscription data. According to the scheme of the invention, the subscription data of each terminal is acquired, and the service quality difference fault detection threshold value for different terminals is determined, so that the method and the device can be suitable for different service scenes of different terminals, and realize the automation and universality of service quality difference fault detection threshold value generation.

Optionally, the obtaining the user subscription data from the network management system according to the user identification data includes:

acquiring service-level agreement (SLA) guarantee information of the target terminal from a unified data management database (Unified Data Management, UDM) of the network management system according to the user identification data;

In an embodiment of the present invention, the service quality difference fault detection threshold includes:

the first threshold is 10Mbps, the second threshold is 50ms, the third threshold is 95%, and the fourth threshold is 50ms.

Optionally, the service quality difference fault alarm includes: alarming time stamp and terminal information of the target terminal;

the log data acquisition request includes:

Optionally, the terminal information includes: the SIM card number of the terminal and/or the IP of the terminal.

In an embodiment of the present invention, the first preset time period is 10min, and the second preset time period is the same as or different from the first preset time period.

Optionally, in the case that the service type of the target terminal is a video transmission service, the service quality difference fault detection threshold of the target terminal includes:

It should be noted that, the video transmission service has high requirements on the service transmission rate and the time delay, so the uplink rate and/or the transmission time delay are used as the service quality difference fault detection index.

Optionally, the determining the quality difference fault diagnosis result according to the received feedback information includes at least one of the following:

In an embodiment of the present invention, in a case where the service type of the target terminal is a video transmission service:

the edge server requests the network management system for SLA guarantee information recorded in the UDM database based on NSSAI of the high-definition video transmission service sent by the N4 interface, including but not limited to uplink speed and transmission delay;

setting a business anomaly monitoring index threshold (business quality difference fault detection threshold) according to SLA guarantee information, wherein if the uplink speed is not lower than 10Mbps, the transmission delay is not more than 50ms;

screening out data packets to be counted of the high-definition video service based on IP quintuple information of the user high-definition video transmission service sent by the N3 interface;

when the uplink speed or the transmission delay exceeds a threshold value, the N3 interface generates a business quality difference constant alarm, and sends information such as an alarm time stamp, a SIM number of a target terminal, the uplink speed, the transmission delay and the like to an edge server;

if the uplink speed abnormal alarm is given, the edge server requests payment and flow strategy information to the network management system according to the SIM card number information of the user, if arrearage or flow control is found, the quality difference fault diagnosis result of the corresponding alarm is directly output, otherwise, the data acquired by the network management system is stored;

If the transmission delay abnormality alarm is given, the platform side triggers ICMP dial testing tasks to the N3 interface and the terminal, and according to the returned delay data, the first delay (delay of the wireless side) from the terminal to the core network (N3 interface) and the first delay (delay of the core side) from the core network (N3 interface) to the edge cloud server are respectively calculated, and then the quality difference fault diagnosis results of overlarge delay of the wireless side and/or overlarge delay of the core side are output;

if the uplink rate abnormal alarm is not output, the platform applies the log data in a period of time (such as 10 min) before and after the alarm time to the terminal corresponding to the SIM card number according to the alarm time stamp, if the problems of a radio resource control (Radio Resource Control, RRC) connection reestablishment event, low uplink transmission instantaneous rate of a packet data convergence protocol (Packet Data Convergence Protocol, PDCP) and the like exist, a quality difference fault diagnosis result of the wireless side fault is output.

Optionally, in the case that the service type of the target terminal is a real-time interactive service, the service quality difference fault detection threshold of the target terminal includes:

It should be noted that, the real-time interactive service mainly refers to a service behavior mainly including message interaction, which is generally embodied as a periodic packet interaction transmission behavior, and has high requirements on time delay and stability, so that a service response success rate and/or interaction time delay is used as a service quality difference fault detection index.

Optionally, the determining the quality difference fault diagnosis result according to the received feedback information includes:

In an embodiment of the present invention, in the case that the service type of the target terminal is a real-time interactive service:

The edge server requests the network management system for SLA guarantee information recorded in a UDM database based on NSSAI of real-time interactive service sent by an N4 interface, wherein the SLA guarantee information comprises but is not limited to transmission delay and packet loss rate;

and setting a business anomaly monitoring index threshold (business quality difference fault detection threshold) according to the SLA guarantee information, wherein the transmission delay is not more than 50ms, and the business response success rate is not less than 95%.

The N3 interface acquires and calculates QoE indexes such as interaction time delay (command response time length), interaction interruption times (command response success rate) and the like

When the transmission delay or the service response success rate exceeds a threshold value, the N3 interface generates a service quality difference constant alarm and sends information such as a time stamp, a protocol type, a service terminal IP corresponding to an application layer protocol and the like to an edge server;

if the delay alarm is a transmission delay alarm, the edge server triggers ICMP dial testing tasks to the N3 interface and the terminal, and according to the returned delay data, the first delay (delay of a wireless side) from the terminal to the core network (N3 interface) and the first delay (delay of a core side) from the core network (N3 interface) to the edge cloud server are respectively calculated, and then the fault diagnosis results of excessive delay of the wireless side and/or excessive delay of the core side are output;

If the success rate alarm is responded to by the service, the edge server applies for log data in a period of time (such as 10 min) before and after abnormal alarm to the service terminal according to alarm time stamp information, and if the success rate of establishing a protocol data unit (Protocol Data Unit, PDU) session is low, a quality difference fault diagnosis result of a core side fault is output; if the problem of high packet loss rate of the PDCP layer of the uplink user plane is found, a quality difference fault diagnosis result of the wireless side fault is output.

As shown in fig. 4, the method for diagnosing a poor quality of service fault in an embodiment of the present invention is applied to a terminal, and includes the following steps:

step 401, saving log data of the terminal, wherein the log data comprises equipment operation information and signaling interaction information;

step 402, after receiving a read request from an edge server, sending the log data to the edge server.

In one embodiment of the present invention, the log data includes key events of interaction of the network attached storage (Network Attached Storage, NAS), radio resource control (Radio Resource Control, RRC) layer as shown in table 1, and radio protocol stack index class data as shown in table 2.

TABLE 1

Signaling events	Meaning of
		NR->Registration reject	Registration denial
NR->Service reject	Service denial
		NR->Authentication reject	Authentication denial
NR->Authentication failure	Authentication failure
		NR->Security mode reject	Secure mode rejection
NR->PDU session establishment reject	PDU session establishment rejection
		NR->PDU session modification reject	PDU session modification rejection
NR->PDU session release reject	PDU session release rejection
		NR->RRCReject	RRC connection rejection
NR->RRCReestablishment	RRC connection reestablishment
		NR->SecurityModeFailure	Secure activation failure

TABLE 2

According to the business quality difference fault diagnosis method, the log data of the terminal is stored at the terminal side, so that the edge server can acquire the log data from the terminal.

The logic schematic diagram of the service quality difference fault diagnosis method in the embodiment of the invention is shown in fig. 5:

an N4 interface arranged between a session management function (Session Management Function, SMF) and a user plane function (User Plane Function, UPF) of the core network equipment collects and analyzes control plane signaling data of a target service of the target terminal;

obtaining user identification data comprising user numbers, data network names and network slice selection auxiliary information;

transmitting the user identification data to an edge server;

the edge server obtains user subscription data of the target terminal from the network management system according to the user identification data;

Transmitting the service quality difference fault detection threshold to an N3 interface arranged between core network equipment and a base station;

the N3 interface analyzes the acquired user plane data to obtain a service perception index value of the target service;

under the condition that the service perception index value is larger than the service quality difference fault detection threshold value, the N3 interface sends a service quality difference fault alarm to the edge server;

after receiving the service quality difference fault alarm, the edge server sends a first request, wherein the first request comprises: a state information acquisition request of a target terminal sent to a network management system, a dial test request sent to core network equipment and the target terminal, and a log data acquisition request sent to the target terminal;

the terminal collects and stores the log data, and sends the log data to an edge server after receiving the first request;

the edge server determines a quality difference fault diagnosis result according to the received feedback information, wherein the feedback information comprises: the state information of the target terminal sent by the network management system, the dial testing result data sent by the core network equipment and the log data sent by the target terminal.

As shown in fig. 6, a poor quality of service fault diagnosis apparatus 600 according to an embodiment of the present invention includes:

the parsing module 601 is configured to parse user plane data of a target service of a target terminal to obtain a service perception index value of the target service;

and the alarm module 602 is configured to send a service quality difference fault alarm to an edge server when the service perception index value is greater than the service quality difference fault detection threshold, where the service quality difference fault detection threshold is determined according to control plane signaling data of the target service.

According to the service quality difference fault diagnosis device, the service perception index value of the target service is obtained by analyzing the user plane data of the target service, and the service quality difference fault alarm is sent to the edge server when the target service breaks down according to the received service quality difference fault detection threshold value, so that a trigger condition can be provided for the edge server to detect the service fault.

As shown in fig. 7, a poor quality of service fault diagnosis device 700 according to an embodiment of the present invention is applied to an edge server, and includes:

a receiving module 701, configured to receive a service quality difference fault alarm;

a first sending module 702, configured to send a first request according to the service quality difference fault alarm, where the first request includes: a state information acquisition request of a target terminal sent to a network management system, a dial test request sent to core network equipment and the target terminal, and a log data acquisition request sent to the target terminal;

The determining module 703 is configured to determine a quality difference fault diagnosis result according to the received feedback information, where the feedback information includes: the state information of the target terminal sent by the network management system, the dial testing result data sent by the core network equipment and the log data sent by the target terminal.

According to the service quality difference fault diagnosis device, the first request is sent according to the received service quality difference fault alarm, so that a quality difference fault diagnosis result is determined according to feedback information aiming at the first request. The scheme of the invention supports active discovery and automatic diagnosis of the fault with poor service quality, can be suitable for various different service scenes, helps field operators to discover and troubleshoot the fault in time, and reduces the labor cost and time cost of field operation and maintenance.

As shown in fig. 8, a poor quality of service fault diagnosis apparatus 800 according to an embodiment of the present invention is applied to a terminal, and includes:

a storage module 801, configured to store log data of the terminal, where the log data includes equipment operation information and signaling interaction information;

and the second sending module 802 is configured to send the log data to the edge server after receiving a read request from the edge server.

According to the business quality difference fault diagnosis device, the log data of the terminal is stored at the terminal side, so that the edge server can acquire the log data from the terminal.

As shown in fig. 9, a poor quality of service fault diagnosis apparatus 900 according to an embodiment of the present invention is applied to a core network, and includes a processor 910 and a transceiver 920, wherein,

As shown in fig. 10, a poor quality of service fault diagnosis apparatus 1000 according to an embodiment of the present invention is applied to an edge server, and includes a processor 1010 and a transceiver 1020, wherein,

sending a first request according to the service quality difference fault alarm, wherein the first request comprises: a state information acquisition request of a target terminal sent to a network management system, a dial test request sent to core network equipment and the target terminal, and a log data acquisition request sent to the target terminal;

As shown in fig. 11, a poor quality of service fault diagnosis apparatus 1100 of an embodiment of the present invention is applied to a terminal, including a processor 1110 and a transceiver 1120, wherein,

A terminal according to another embodiment of the present invention, as shown in fig. 12, includes a transceiver 1210, a processor 1200, a memory 1220, and a program or instructions stored on the memory 1220 and executable on the processor 1200; the processor 1200 implements the above-described method for diagnosing poor quality of service faults when executing the program or instructions.

The transceiver 1210 is configured to receive and transmit data under the control of the processor 1200.

Wherein in fig. 12, a bus architecture may comprise any number of interconnected buses and bridges, and in particular, one or more processors represented by processor 1200 and various circuits of memory represented by memory 1220, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 1210 may be a number of elements, i.e. include a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium. The user interface 1230 may also be an interface capable of interfacing with an inscribed desired device for a different user device, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 1200 is responsible for managing the bus architecture and general processing, and the memory 1220 may store data used by the processor 1200 in performing operations.

The readable storage medium of the embodiment of the present invention stores a program or an instruction, where the program or the instruction realizes the steps in the service quality difference fault diagnosis method as described above when being executed by a processor, and can achieve the same technical effects, and for avoiding repetition, a detailed description is omitted herein.

Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory RAM), a magnetic disk or an optical disk.

It is further noted that the terminals described in this specification include, but are not limited to, smartphones, tablets, etc., and that many of the functional components described are referred to as modules in order to more particularly emphasize their implementation independence.

In an embodiment of the invention, the modules may be implemented in software for execution by various types of processors. An identified module of executable code may, for instance, comprise one or more physical or logical blocks of computer instructions which may, for instance, be organized as an object, procedure, or function. Nevertheless, the executables of an identified module need not be physically located together, but may comprise disparate instructions stored in different bits which, when joined logically together, comprise the module and achieve the stated purpose for the module.

Indeed, a module of executable code may be a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs, and across several memory devices. Likewise, operational data may be identified within modules and may be embodied in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations including over different storage devices.

Where a module may be implemented in software, taking into account the level of existing hardware technology, a module may be implemented in software, and one skilled in the art may, without regard to cost, build corresponding hardware circuitry, including conventional Very Large Scale Integration (VLSI) circuits or gate arrays, and existing semiconductors such as logic chips, transistors, or other discrete components, to achieve the corresponding functions. A module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.

The exemplary embodiments described above are described with reference to the drawings, many different forms and embodiments are possible without departing from the spirit and teachings of the present invention, and therefore, the present invention should not be construed as limited to the exemplary embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure will be thorough and complete, and will convey the scope of the invention to those skilled in the art. In the drawings, the size of the elements and relative sizes may be exaggerated for clarity. The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Unless otherwise indicated, a range of values includes the upper and lower limits of the range and any subranges therebetween.

While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.

Claims

1. The service quality difference fault diagnosis method is characterized by comprising the following steps of:

2. The poor quality of service fault diagnosis method according to claim 1, further comprising:

transmitting the user identification data to the edge server;

3. The service quality difference fault diagnosis method according to claim 1, wherein the analyzing the user plane data of the target service of the target terminal to obtain the service perception index value of the target service includes:

4. The service quality difference fault diagnosis method according to claim 3, wherein the service quality difference fault alarm comprises:

5. The service quality difference fault diagnosis method according to claim 1, wherein the analyzing the user plane data of the target service of the target terminal to obtain the service perception index value of the target service includes:

6. The traffic quality error fault diagnosis method according to claim 5, wherein the traffic quality error fault alarm comprises:

7. A business quality difference fault diagnosis method is applied to an edge server and is characterized by comprising the following steps:

receiving a fault alarm of poor service quality;

sending a first request according to the service quality difference fault alarm, wherein the first request is as follows: a state information acquisition request of a target terminal sent to a network management system, a dial test request sent to core network equipment and the target terminal, and a log data acquisition request sent to the target terminal;

8. The poor quality of service fault diagnosis method according to claim 7, further comprising:

and sending the service quality difference fault detection threshold value.

9. The method for diagnosing a poor quality of service fault according to claim 8, wherein the obtaining user subscription data from the network management system according to the user identification data includes:

10. The traffic quality error fault diagnosis method according to claim 7, wherein the traffic quality error fault alarm comprises: alarming time stamp and terminal information of the target terminal;

the log data acquisition request includes:

11. The service quality difference fault diagnosis method according to claim 8, wherein, in the case where the service type of the target terminal is a video transmission type service, the service quality difference fault detection threshold of the target terminal includes:

12. The method for diagnosing a poor quality of service fault according to claim 11, wherein the determining a poor quality fault diagnosis result based on the received feedback information includes at least one of:

13. The service quality difference fault diagnosis method according to claim 8, wherein, in the case that the service type of the target terminal is a real-time interactive service, the service quality difference fault detection threshold of the target terminal includes:

14. The method for diagnosing a poor quality of service fault according to claim 13, wherein the determining a poor quality fault diagnosis result based on the received feedback information comprises:

15. The service quality difference fault diagnosis method is applied to a terminal and is characterized by comprising the following steps:

16. A poor quality of service fault diagnosis apparatus, comprising:

17. A poor quality of service fault diagnosis device, applied to an edge server, comprising:

18. A poor quality of service fault diagnosis apparatus, applied to a terminal, comprising:

19. A poor quality of service fault diagnosis apparatus, comprising: a transceiver and a processor;

20. A poor quality of service fault diagnosis device, applied to an edge server, comprising: a transceiver and a processor;

21. A poor quality of service fault diagnosis apparatus, applied to a terminal, comprising: a transceiver and a processor;

22. A terminal, comprising: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; wherein the processor, when executing the program or instructions, implements a method for diagnosing a poor quality of service fault as claimed in any one of claims 1 to 6; or, when the processor executes the program or the instruction, implementing a poor quality of service fault diagnosis method as set forth in any one of claims 7 to 14; alternatively, the processor executes the program or the instructions to implement the poor quality of service fault diagnosis method according to claim 15.

23. A readable storage medium having stored thereon a program or instructions, which when executed by a processor, implements the steps in the poor quality of service fault diagnosis method according to any of claims 1-6; alternatively, the program or instructions, when executed by a processor, implement the steps in the poor quality of service fault diagnosis method according to any one of claims 7 to 14; alternatively, the program or instructions, when executed by a processor, implement the steps in the poor quality of service fault diagnosis method as claimed in claim 15.