CN115134277B - Broadband network rate testing method and device capable of dynamically adjusting network connection number - Google Patents
Broadband network rate testing method and device capable of dynamically adjusting network connection number Download PDFInfo
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- CN115134277B CN115134277B CN202210722262.3A CN202210722262A CN115134277B CN 115134277 B CN115134277 B CN 115134277B CN 202210722262 A CN202210722262 A CN 202210722262A CN 115134277 B CN115134277 B CN 115134277B
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Abstract
The application discloses a broadband network rate testing method and device for dynamically adjusting the number of network connections, belongs to the technical field of mobile communication, and aims to solve the technical problems that the effectiveness of each network connection cannot be ensured and the number of network connections cannot be determined and adjusted according to the network quality in the conventional broadband speed measuring method. The method comprises the following steps: according to the network quality evaluation value of each speed measuring node, determining an optimal speed measuring node; determining an initial network connection number and a maximum network connection number according to the network quality evaluation value of the optimal speed measurement node; establishing network connections with the same number as the initial network connections with the optimal speed measurement nodes, and continuously downloading speed measurement data from the optimal speed measurement nodes; and increasing the network connection with the optimal speed measuring node according to the network rate change condition of each network connection until the speed measurement is finished or the number of the network connections with the optimal testing node reaches the maximum number of the network connections.
Description
Technical Field
The present application relates to the field of mobile communications, and in particular, to a method and apparatus for testing broadband network rate by dynamically adjusting the number of network connections.
Background
The bandwidth of the broadband network provided by the telecom operator is higher and higher, the home network bandwidth of 500Mbps and 1Gbps is also very popular, and in order to ensure the service quality, whether the real bandwidth provided by the telecom operator reaches the speed of the contracted bandwidth needs to be judged by a broadband speed measurement technology. Generally, broadband speed measurement is composed of a speed measurement client, a speed measurement management platform and a speed measurement node. The speed measurement client is used for starting a plurality of network connections, and realizing speed measurement evaluation on the broadband network by connecting a speed measurement server and downloading high-capacity data to occupy the current network bandwidth capacity. The speed measurement management platform is responsible for managing each speed measurement node, and when the speed measurement client inquires speed measurement resources, the speed measurement node information managed by the speed measurement management platform can be sent to the speed measurement client. The speed measuring node is responsible for providing real network speed measuring data.
When the speed measurement is started, the speed measurement client initiates a certain number of network connections (HTTP or TCP) to the speed measurement node. In the speed measurement process, the effectiveness of each network connection and the number of the effective network connections directly influence the evaluation accuracy of the high bandwidth rate. In the speed measurement process, the network quality of partial network connection between the speed measurement client and the speed measurement node is possibly poor, even the situation of direct disconnection is likely to occur, so that the number of effective network connections is reduced, the throughput of speed measurement data is reduced, and the broadband speed measurement rate is low. In addition, the accuracy of the speed measurement is greatly affected by the setting of the network connection number, if the setting of the network connection number is too small, the network bandwidth cannot be effectively occupied for a high-bandwidth network (500 Mbps, 1Gbps and the like), and the measured speed is inaccurate. If the network connection number is set to be too large, transitional resource consumption pressure is formed for the speed measuring tool, the network link and the speed measuring node server, and particularly, the pressure caused when a large number of speed measuring clients measure speed simultaneously is larger. However, in the existing speed measuring method, the number of network connections is often set manually, and the number of network connections is not changed after setting, firstly, the set number of network connections is not necessarily suitable for the current speed measuring environment, and secondly, when the quality of partial network connections is poor, the number of network connections cannot be adjusted to maintain enough speed measuring data throughput.
Disclosure of Invention
The embodiment of the application provides a broadband network rate testing method and device for dynamically adjusting the number of network connections, which are used for solving the following technical problems: the existing broadband speed measurement method cannot guarantee the effectiveness of each network connection, and cannot determine and adjust the number of the network connections according to the network quality.
The embodiment of the application adopts the following technical scheme:
in one aspect, an embodiment of the present application provides a broadband network rate testing method for dynamically adjusting a network connection number, where the method includes: according to the network quality evaluation value of each speed measuring node, determining an optimal speed measuring node; determining an initial network connection number and a maximum network connection number according to the network quality evaluation value of the optimal speed measurement node; establishing network connections with the same number as the initial network connections with the optimal speed measurement nodes, and continuously downloading speed measurement data from the optimal speed measurement nodes through the network connections; in the process of downloading the speed measurement data, according to the network speed change condition of each network connection monitored in real time, increasing the network connection with the optimal speed measurement node one by one until the speed measurement is finished or the number of the network connections with the optimal test node reaches the maximum network connection number; and after the speed measurement is finished, determining the current broadband network speed according to the total quantity of the downloaded speed measurement data and the speed measurement time length.
In a possible implementation manner, determining an optimal speed measurement node according to the network quality evaluation value of each speed measurement node specifically includes: sending a plurality of network quality test messages to each speed measuring node, and carrying out a plurality of network quality tests; the network quality test message at least comprises: the time of sending the speed measurement message and the serial number of the speed measurement message; according to the time of the feedback message and the corresponding speed measurement message sending time of each speed measurement node during each network quality test, calculating the network round trip time delay and the network jitter value of each speed measurement node during each network quality test; wherein, the network jitter value of the first test is recorded as 0; calculating a network quality evaluation value of each speed measuring node according to the network round trip delay, the network jitter value and the total number of network quality tests of each speed measuring node; determining a speed measuring node with the minimum network quality evaluation value as the optimal speed measuring node; wherein the network quality assessment value is related to at least a network round trip delay or a network jitter value.
In a possible implementation manner, according to the time of the feedback message and the corresponding time of sending the speed measurement message when each speed measurement node performs each network quality test, the network round trip delay and the network jitter value of each speed measurement node during each network quality test are calculated, and specifically include: according to Delay ij ＝T rcv-ij -T send-ij Obtaining the network round trip Delay of the jth network quality test of the velocity measuring node i ij The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is rcv-ij For the time of the speed measuring node i for feeding back the message in the j-th network quality test, T send-ij The method comprises the steps of sending a speed measurement message for the j-th network quality test of a speed measurement node i; according to Jitter ij ＝abs(Delay ij -Delay i(j-1) ) Obtaining a network Jitter value Jitter of a jth network quality test of the speed measuring node i ij The method comprises the steps of carrying out a first treatment on the surface of the Wherein, jitter i1 ＝0。
In a possible implementation manner, according to the network round trip delay, the network jitter value and the total number of network quality tests of each network quality test of each speed measuring node, calculating a network quality evaluation value of each speed measuring node, and determining the speed measuring node with the minimum network quality evaluation value as the optimal speed measuring node, the method specifically includes: according toObtaining the network quality of the speed measuring node iEvaluation value QN i The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is the total number of network quality tests, j E [1, T]The method comprises the steps of carrying out a first treatment on the surface of the According to QN opt ＝Min(QN 1 ,QN 2 ,……,QN n ) Obtaining a minimum network quality evaluation value QN opt The method comprises the steps of carrying out a first treatment on the surface of the Minimum network quality assessment value QN opt The corresponding speed measuring node opt is determined to be an optimal speed measuring node; where n is the total number of speed measurement nodes.
In a possible implementation manner, determining the initial network connection number and the maximum network connection number according to the network quality evaluation value of the optimal speed measurement node specifically includes: according to the network quality evaluation value of the optimal speed measurement node, determining a network connection variable value; acquiring a network connection number base, and adding the network connection number base and the network connection number variable value to obtain the initial network connection number; wherein, the network connection number base number is a manually specified positive integer; multiplying the initial network connection number by 2 to obtain the maximum network connection number.
In a possible implementation manner, the determining the variable value of the network connection number according to the network quality evaluation value of the optimal speed measurement node specifically includes: according toObtaining the network connection number variable value NUM var The method comprises the steps of carrying out a first treatment on the surface of the Wherein QN opt A network quality evaluation value for the optimal test node; when NUM var <At 0, NUM is set var ＝0。
In a possible implementation manner, in the process of downloading the speed measurement data, according to the network rate change condition of each network connection monitored in real time, increasing the network connection with the optimal speed measurement node one by one until the speed measurement is finished or the number of network connections with the optimal test node reaches the maximum number of network connections, specifically including: after the network connection is established successfully, acquiring speed measurement data of each network connection in real time; acquiring the network rate of each network connection per second from the speed measurement data, and calculating the change rate of the current network rate of each network connection and the last second network rate; wherein the network rate is a downlink rate; if the current network rate of any network connection is lower than the last second network rate and the change rate reaches a preset threshold, adding a network connection with the optimal speed measuring node; and stopping increasing the network connection number when the network connection number between the optimal speed measuring node and the optimal speed measuring node reaches the maximum network connection number or when the speed measuring is finished.
In a possible implementation manner, the network rate of each network connection per second is obtained in the speed measurement data, and the change rate of the current network rate of each network connection and the last second network rate is calculated, which specifically includes: according toObtaining the change rate R of the current network rate and the last second network rate of each network connection diff The method comprises the steps of carrying out a first treatment on the surface of the Wherein R is (i-1) For the last second network rate, R, of each network connection i For the current network rate of each network connection.
In a possible implementation manner, after the speed measurement is finished, determining the current broadband network rate according to the total quantity of the downloaded speed measurement data and the speed measurement duration specifically includes: in the speed measurement process, counting the total amount of speed measurement data downloaded through all network connections once per second; wherein, all network connections are: all network connections established between the optimal speed measurement nodes; according to the total quantity of the downloaded speed measurement data per second, determining the network rate per second in the speed measurement process; after the speed measurement time length reaches the preset speed measurement time length, ending the speed measurement at this time; and calculating the average value of the network rate per second in the preset speed measurement time length to obtain the current broadband network rate.
On the other hand, the embodiment of the application also provides a broadband network rate testing device for dynamically adjusting the network connection number, which comprises: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a broadband network rate test method for dynamically adjusting the number of network connections according to any one of the embodiments described above.
The broadband network rate testing method and the broadband network rate testing equipment for dynamically adjusting the network connection number provided by the embodiment of the application have the following beneficial effects:
1. the method for calculating the network quality evaluation value is provided, the speed measuring node with the best network quality is selected as a variable factor through the calculated network quality evaluation value, the variable value of the network connection number is calculated, and the initial network connection number between the test client and the optimal speed measuring node is calculated through the variable value of the network connection number, so that the more reasonable network connection number can be obtained, the network connection number is set to be not too large or too small, and the speed measuring accuracy is improved.
2. The application monitors the network rate change rate of each network connection in real time in the speed measuring process, thereby increasing the network connection number between the test client and the optimal test node in real time, and can timely increase new network connection under the conditions that part of network connection between the speed measuring client and the optimal test node is unsuccessful, part of network connection is disconnected in the speed measuring process or network quality is poor in the speed measuring process, so as to ensure effective network speed measuring data throughput and keep the speed measuring rate at a stable level.
3. The network connection number between the speed measuring client and the optimal speed measuring node can only reach the calculated maximum network connection number at most, and the transitional resource consumption pressure on a speed measuring tool, a network link and a speed measuring node server caused by overlarge network connection number can be avoided when a large number of speed measuring clients simultaneously measure speed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art. In the drawings:
fig. 1 is a flowchart of a broadband network rate testing method for dynamically adjusting the number of network connections according to an embodiment of the present application;
fig. 2 is a specific structural diagram of a broadband network rate testing device for dynamically adjusting the number of network connections according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a broadband network rate testing device for dynamically adjusting the number of network connections according to an embodiment of the present application.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
Taking the industrial information department 'fixed broadband speed measurement method' as an example, a fixed number (4) of network connection numbers are established between a speed measurement client and a speed measurement server node, the client continuously downloads speed measurement data through the network connection, and the downloaded data quantity of all the network connection numbers per second is counted as the current speed. When the speed measurement duration is reached, taking the average value of data per second in all time as the current speed measurement rate. But in the speed measurement process, the effectiveness of each network connection and the number of effective network connections directly influence the evaluation accuracy of the high bandwidth rate.
In order to improve the evaluation accuracy of the bandwidth rate, the embodiment of the application provides a broadband network rate testing method for dynamically adjusting the network connection number. Fig. 1 is a flowchart of a broadband network rate testing method for dynamically adjusting the number of network connections according to an embodiment of the present application, where as shown in fig. 1, the broadband network rate testing method for dynamically adjusting the number of network connections specifically includes steps S101-S105:
s101, the speed measurement client determines an optimal speed measurement node according to the network quality evaluation value of each speed measurement node.
Specifically, fig. 2 is a specific block diagram of a broadband network rate testing device for dynamically adjusting the number of network connections according to an embodiment of the present application, and as shown in fig. 2, the broadband network rate testing device provided by the present application specifically includes a speed measurement client 210, a speed measurement management platform 220, and a speed measurement node 230, where three components can directly perform bidirectional data interaction. It should be noted that, the speed measuring node 230 in fig. 2 refers to a plurality of speed measuring nodes, not one speed measuring node, and a plurality of speed measuring nodes are involved in actual speed measurement.
The speed measurement client 210 initiates a request for applying speed measurement to the speed measurement management platform 220, and the speed measurement management platform 220 returns all the managed speed measurement node information to the speed measurement client 210. According to the received speed measurement node information, the speed measurement client 210 performs network quality test on the plurality of speed measurement nodes 230 one by one, and selects an optimal speed measurement node with the best network quality. The method specifically comprises the following steps: the speed measurement client 210 sends network quality test messages to each speed measurement node for a plurality of times, and performs network quality tests for a plurality of times; the network quality test message at least comprises: and the time for sending the speed measurement message and the serial number of the speed measurement message. According to the time of the feedback message and the corresponding speed measurement message sending time of each speed measurement node during each network quality test, calculating the network round trip time delay and the network jitter value of each speed measurement node during each network quality test; wherein the network jitter value of the first test is recorded as 0. And calculating a network quality evaluation value of each speed measuring node according to the network round trip delay, the network jitter value and the total number of network quality tests of each speed measuring node. And determining the speed measuring node with the minimum network quality evaluation value as an optimal speed measuring node. Since the network quality evaluation value is calculated according to the network round trip delay and the network jitter value, according to the common knowledge, the smaller the network round trip delay and the network jitter value, the better the network quality, so the smaller the calculated network quality evaluation value, the better the network quality of the speed measuring node.
As a possible implementation, the tachometer client 210 is according to Delay ij ＝T rcv-ij -T send-ij Obtaining the network round trip Delay of the speed measuring node i in the jth network quality test ij The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is rcv-ij For the time of the speed measuring node i for feeding back the message in the j-th network quality test, T send-ij And sending time of a speed measurement message for the j-th network quality test of the speed measurement node i. Then according to Jitter ij ＝abs(Delay ij -Delay i(j-1) ) Obtaining a network Jitter value Jitter of a jth network quality test of the speed measuring node i ij The method comprises the steps of carrying out a first treatment on the surface of the Wherein, jitter i1 =0. Further according toObtaining a network quality evaluation value QN of the speed measuring node i i The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is the total number of times of network quality test of the speed measuring node i, j is E [1, T]. Finally, according to QN opt ＝Min(QN 1 ,QN 2 ,……,QN n ) Obtaining the minimum network quality evaluation value QN in the n speed measuring nodes opt The method comprises the steps of carrying out a first treatment on the surface of the Minimum network quality assessment value QN opt The corresponding speed measuring node opt is determined to be the optimal speed measuring node.
In one embodiment, the network quality test can be performed on the speed measuring node once per second, if the network quality test is performed 10 times, then t=10, then the network quality evaluation value of the speed measuring node i
S102, the speed measurement client determines the initial network connection number and the maximum network connection number according to the network quality evaluation value of the optimal speed measurement node.
Specifically, the tachometer client 210 determines a network connection variable value according to the network quality evaluation value of the optimal tachometer node. And then obtaining the network connection number base, and adding the network connection number base and the network connection number variable value to obtain the initial network connection number. Wherein, the network connection number base number is a manually specified positive integer. Multiplying the initial network connection number by 2 to obtain the maximum network connection number.
As a possible implementation, the tachometer client 210 is according to the followingObtaining the network connection number variable value NUM var The method comprises the steps of carrying out a first treatment on the surface of the Wherein QN opt A network quality evaluation value for the optimal test node; when NUM var <At 0, NUM is set var =0. If the network connection number base number is 8, the initial network connection number num=8+num for the current speed measurement var The method comprises the steps of carrying out a first treatment on the surface of the Maximum network connection number NUM max ＝NUM*2。
S103, establishing network connections with the same number as the initial network connections between the speed measurement client and the optimal speed measurement node, and continuously downloading speed measurement data from the optimal speed measurement node through the network connections.
In one embodiment, if the calculated initial network connection number is 10 and the maximum network connection number is 20, then at the beginning of the speed measurement, the speed measurement client 210 first establishes 10 network connections with the optimal speed measurement node, and continuously downloads the speed measurement data from the optimal speed measurement node through the 10 network connections, so as to occupy the current bandwidth.
And S104, in the process of downloading the speed measurement data, the speed measurement client increases the network connection with the optimal speed measurement node one by one according to the network speed change condition of each network connection monitored in real time until the speed measurement is finished or the number of the network connections with the optimal test node reaches the maximum network connection number.
Specifically, after the network connection is established successfully, the speed measurement client 210 acquires the network rate of each network connection per second in real time, and calculates the change rate of the current network rate of each network connection and the last second network rate. The network rate is a downlink rate, i.e. a download rate.
Further, if the current network rate of any network connection is lower than the last second network rate and the change rate reaches the preset threshold, a network connection between the speed measurement client 210 and the optimal speed measurement node is added. And stopping increasing the number of network connections when the number of network connections between the speed measurement client 210 and the optimal speed measurement node reaches the maximum number of network connections or the speed measurement is finished.
As a possibilityIn an embodiment, the speed measurement client 210 is according to the followingObtaining the change rate R of the current network rate and the last second network rate of each network connection diff The method comprises the steps of carrying out a first treatment on the surface of the Wherein R is (i-1) For the last second network rate, R, of each network connection i For the current network rate of each network connection.
In one embodiment, if the preset threshold is 0.3, when all network connections established between the speed measurement client 210 and the optimal speed measurement node are established, the current network rate of at least one network connection is lower than the last second network rate and R diff >When=0.3, a network connection is added between the tachometer client 210 and the optimal tachometer node. When the number of network connections increases to the maximum number of network connections NUM max And then, the number of network connections is not increased, or the number of network connections is not increased when the speed measurement is finished.
And S105, after the speed measurement is finished, the speed measurement client determines the current broadband network speed according to the total quantity of the downloaded speed measurement data and the speed measurement duration.
Specifically, in the speed measurement process, counting the total amount of speed measurement data downloaded through all network connections once per second; wherein, all network connections are: all network connections established between the tachometer client 210 and the optimal tachometer node. And then determining the network rate per second in the speed measurement process according to the total amount of the downloaded speed measurement data per second. And after the speed measurement time length reaches the preset speed measurement time length, ending the speed measurement. And after the speed measurement is finished, calculating the average value of the network speed per second within the preset speed measurement time length to obtain the current broadband network speed.
In one embodiment, if the preset speed measurement duration is 60s, counting the number of network connections between the speed measurement client and the optimal speed measurement node in the current second every second in the speed measurement process, and the speed measurement data volume downloaded by each network connection in the second, adding the number of network connections to obtain the total volume of the speed measurement data downloaded in the second, and dividing the total volume of the speed measurement data by 1 second to obtain the network speed in the second. After 60s, the network rate of each second is added and divided by 60s, and the width network rate of the speed measurement can be obtained.
It should be noted that, when the speed measurement is finished, the number of network connections between the speed measurement client and the optimal speed measurement node does not necessarily reach the maximum number of network connections, and it is also possible that the speed measurement is finished without reaching the maximum number of network connections. And the network connection number in the speed measurement process is always changed, so that the actual network connection number between the speed measurement client and the optimal speed measurement node at the current moment needs to be counted once when the total amount of the downloaded speed measurement data is counted every second.
As a possible implementation mode, after the optimal speed measuring node is determined, other speed measuring nodes can be determined to be alternative speed measuring nodes, the alternative speed measuring nodes are ranked according to the network quality evaluation values from small to large, and when the network speed of each network connection in the speed measuring process of the optimal speed measuring node does not reach the speed measuring standard, the alternative speed measuring node arranged at the forefront can be selected for measuring the speed.
In addition, the embodiment of the application also provides a broadband network rate testing device for dynamically adjusting the network connection number, as shown in fig. 3, the broadband network rate testing device for dynamically adjusting the network connection number specifically comprises:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform:
according to the network quality evaluation value of each speed measuring node, determining an optimal speed measuring node;
determining an initial network connection number and a maximum network connection number according to the network quality evaluation value of the optimal speed measurement node;
establishing network connections with the same number as the initial network connections with the optimal speed measurement nodes, and continuously downloading speed measurement data from the optimal speed measurement nodes through the network connections;
in the process of downloading the speed measurement data, according to the network speed change condition of each network connection monitored in real time, increasing the network connection with the optimal speed measurement node one by one until the speed measurement is finished or the number of the network connections with the optimal test node reaches the maximum network connection number;
and after the speed measurement is finished, determining the current broadband network speed according to the total quantity of the downloaded speed measurement data and the speed measurement time length.
The embodiments of the present application are described in a progressive manner, and the same and similar parts of the embodiments are all referred to each other, and each embodiment is mainly described in the differences from the other embodiments. In particular, for the apparatus, since it is substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments in sections.
The foregoing describes certain embodiments of the present application. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the embodiments of the application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application should be included in the scope of the claims of the present application.
Claims (9)
1. A broadband network rate test method for dynamically adjusting the number of network connections, the method comprising:
according to the network quality evaluation value of each speed measuring node, determining an optimal speed measuring node;
according to the network quality evaluation value of the optimal speed measurement node, determining the initial network connection number and the maximum network connection number specifically comprises the following steps: according to the network quality evaluation value of the optimal speed measurement node, determining a network connection variable value; acquiring a network connection number base, and adding the network connection number base and the network connection number variable value to obtain the initial network connection number; wherein, the network connection number base number is a manually specified positive integer; multiplying the initial network connection number by 2 to obtain the maximum network connection number;
establishing network connections with the same number as the initial network connections with the optimal speed measurement nodes, and continuously downloading speed measurement data from the optimal speed measurement nodes through the network connections;
in the process of downloading the speed measurement data, according to the network speed change condition of each network connection monitored in real time, increasing the network connection with the optimal speed measurement node one by one until the speed measurement is finished or the number of the network connections with the optimal speed measurement node reaches the maximum network connection number;
and after the speed measurement is finished, determining the current broadband network speed according to the total quantity of the downloaded speed measurement data and the speed measurement time length.
2. The broadband network rate test method for dynamically adjusting the number of network connections according to claim 1, wherein determining an optimal speed measurement node according to the network quality evaluation value of each speed measurement node comprises:
sending a plurality of network quality test messages to each speed measuring node, and carrying out a plurality of network quality tests; the network quality test message at least comprises: the time of sending the speed measurement message and the serial number of the speed measurement message;
according to the time of the feedback message and the corresponding speed measurement message sending time of each speed measurement node during each network quality test, calculating the network round trip time delay and the network jitter value of each speed measurement node during each network quality test;
calculating a network quality evaluation value of each speed measuring node according to the network round trip delay, the network jitter value and the total number of network quality tests of each speed measuring node;
determining a speed measuring node with the minimum network quality evaluation value as the optimal speed measuring node; wherein the network quality assessment value is related to at least a network round trip delay or a network jitter value.
3. The method for dynamically adjusting the network connection number according to claim 2, wherein calculating the network round trip delay and the network jitter value of each speed measuring node in each network quality test according to the time of the feedback message and the corresponding speed measuring message sending time of each speed measuring node in each network quality test specifically comprises:
according to Delay ij ＝T rcv-ij -T send-ij Obtaining the network round trip Delay of the jth network quality test of the velocity measuring node i ij The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is rcv-ij For the time of the speed measuring node i for feeding back the message in the j-th network quality test, T send-ij The method comprises the steps of sending a speed measurement message for the j-th network quality test of a speed measurement node i;
according to Jitter ij ＝abs(Delay ij -Delay i(j-1) ) Obtaining a network Jitter value Jitter of a jth network quality test of the speed measuring node i ij The method comprises the steps of carrying out a first treatment on the surface of the Wherein, jitter i1 ＝0。
4. The broadband network rate test method for dynamically adjusting the network connection number according to claim 3, wherein the calculating the network quality evaluation value of each speed measurement node according to the network round trip delay, the network jitter value and the total number of network quality tests of each speed measurement node, and determining the speed measurement node with the minimum network quality evaluation value as the optimal speed measurement node specifically comprises:
according toObtaining a network quality evaluation value QN of the speed measuring node i i The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is the total number of network quality tests, j E [1, T]；
According to QN opt ＝Min(QN 1 ,QN 2 ,……,QN n ) Obtaining a minimum network quality evaluation value QN opt ；
Minimum network quality assessment value QN opt The corresponding speed measuring node opt is determined to be an optimal speed measuring node; where n is the total number of speed measurement nodes.
5. The broadband network rate test method for dynamically adjusting the number of network connections according to claim 1, wherein the determining the variable value of the number of network connections according to the network quality evaluation value of the optimal speed measurement node specifically comprises:
according toObtaining the network connection number variable value NUM var The method comprises the steps of carrying out a first treatment on the surface of the Wherein QN opt The network quality evaluation value of the optimal speed measurement node is obtained;
when NUM var <At 0, NUM is set var ＝0。
6. The method for testing broadband network rate capable of dynamically adjusting network connection number according to claim 1, wherein in the process of downloading speed measurement data, according to the network rate change condition of each network connection monitored in real time, increasing the network connection with the optimal speed measurement node one by one until the speed measurement is finished or the network connection number with the optimal speed measurement node reaches the maximum network connection number, specifically comprising:
after the network connection is established successfully, monitoring the network rate of each network connection in real time, and calculating the change rate of the current network rate and the last second network rate of each network connection; wherein the network rate is a downlink rate;
if the current network rate of any network connection is lower than the last second network rate and the change rate reaches a preset threshold, adding a network connection with the optimal speed measuring node;
and stopping increasing the network connection number when the network connection number between the optimal speed measuring node and the optimal speed measuring node reaches the maximum network connection number or when the speed measuring is finished.
7. The method for testing broadband network rate by dynamically adjusting network connection number according to claim 6, wherein monitoring network rate of each network connection in real time and calculating a rate of change between current network rate and last second network rate of each network connection, specifically comprises:
according toObtaining the change rate R of the current network rate and the last second network rate of each network connection diff The method comprises the steps of carrying out a first treatment on the surface of the Wherein R is (i-1) For the last second network rate of each network connection, R i For the current network rate of each network connection.
8. The method for testing the broadband network rate by dynamically adjusting the network connection number according to claim 1, wherein after the speed measurement is finished, determining the current broadband network rate according to the total amount of the downloaded speed measurement data and the speed measurement duration, specifically comprising:
in the speed measurement process, counting the total amount of speed measurement data downloaded through all network connections once per second; wherein, all network connections are: all network connections established between the optimal speed measurement nodes;
according to the total quantity of the downloaded speed measurement data per second, determining the network rate per second in the speed measurement process;
after the speed measurement time length reaches the preset speed measurement time length, ending the speed measurement at this time;
and calculating the average value of the network rate per second in the preset speed measurement time length to obtain the current broadband network rate.
9. A broadband network rate test apparatus for dynamically adjusting the number of network connections, the apparatus comprising:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a broadband network rate testing method for dynamically adjusting the number of network connections according to any one of claims 1-8.
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