CN113726691B - Bandwidth reservation method, device, equipment and storage medium - Google Patents
Bandwidth reservation method, device, equipment and storage medium Download PDFInfo
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- H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
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Abstract
The application discloses a bandwidth reservation method, a device, equipment and a storage medium, wherein the method comprises the following steps: after receiving a network request of a first service, acquiring a real-time bandwidth currently available for the terminal equipment, determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a bandwidth of a second service, the second service is a service running before the network request of the first service is received, limiting the speed of the first service according to a speed limiting bandwidth of the first service, and the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth. Therefore, the speed-limiting bandwidth can be fully utilized to operate the first service, enough bandwidth is reserved for the second service, the second service can operate normally, network performance degradation of the second service such as increase of network request delay is avoided, and user experience of the first service and the second service is ensured.
Description
Technical Field
The present application relates to the field of communications, and in particular, to a method, apparatus, device, and storage medium for reserving bandwidth.
Background
In network communication, bandwidth refers to the amount of information, i.e. the data transmission rate, flowing from one end to the other end within a specified time, and also represents the maximum network traffic that can be achieved per second by the current terminal device in its application environment, where the index is often used to measure the network capability that can be provided by the network device. The bandwidth is divided into an upstream bandwidth and a downstream bandwidth, and for a network device, the downstream bandwidth is generally larger than the upstream bandwidth.
Typically, when there are multiple data streams or connections, the multiple data streams or connections are allowed to compete for available bandwidth based on the actual bandwidth. In some service application scenarios sensitive to network delay, a problem that network performance is reduced due to bandwidth competition of a service application with low bandwidth occupation may occur, for example, in a current service application scenario (such as a game scenario or a live broadcast scenario), if a user opens a service application with high bandwidth occupation (for example, downloads a file), at this time, the service application with high bandwidth occupation may occupy the actual bandwidth of all terminal devices, which may cause an increase in network request delay of the current service, such as occurrence of game card or live broadcast card, and reduce user experience.
Disclosure of Invention
The application provides a bandwidth reservation method, a device, equipment and a storage medium, which are used for solving the problem that network performance is reduced due to bandwidth competition in business application occupied by low bandwidth.
In a first aspect, the present application provides a bandwidth reservation method, including:
after receiving a network request of a first service, acquiring a current available real-time bandwidth of a terminal device;
Determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a second service, and the second service is a service running before receiving a network request of the first service;
and limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth.
In a second aspect, the present application provides a bandwidth reservation apparatus, comprising:
The acquisition module is used for acquiring the current available real-time bandwidth of the terminal equipment after receiving the network request of the first service;
the determining module is used for determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a second service, and the second service is a service running before receiving a network request of the first service;
and the processing module is used for limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth.
In a third aspect, the present application provides a terminal device, including:
A processor; and
A memory for storing executable instructions of the processor;
wherein the processor is configured to perform the bandwidth reservation method according to the first aspect or any of the possible implementation manners of the first aspect.
In a fourth aspect, an embodiment of the present application provides a computer readable storage medium, on which a computer program is stored, the computer program implementing the bandwidth reservation method according to the first aspect or any of the possible implementation manners of the first aspect when the computer program is executed by a processor.
In a fifth aspect, embodiments of the present application provide a computer program product comprising a computer program which, when executed by a processor, implements the bandwidth reservation method according to the first aspect or any of the possible embodiments of the first aspect.
According to the bandwidth reservation method, the device, the equipment and the storage medium, after the network request of the first service is received, the current available real-time bandwidth of the terminal equipment is obtained, the bandwidth is reserved for the second service according to the real-time bandwidth, the speed of the first service is limited according to the speed limiting bandwidth obtained based on the difference between the real-time bandwidth and the reserved bandwidth, and the second service is the service running before the network request of the first service is received. Therefore, the speed-limiting bandwidth can be fully utilized to operate the first service, enough bandwidth is reserved for the second service, the second service can operate normally, network performance degradation of the second service such as increase of network request delay is avoided, and user experience of the first service and the second service is ensured.
Drawings
Fig. 1 is a schematic diagram of an application scenario of a bandwidth reservation method according to an embodiment of the present application;
Fig. 2 is a flowchart of a bandwidth reservation method according to an embodiment of the present application;
fig. 3 is a flowchart of an embodiment of a bandwidth reservation method according to an embodiment of the present application;
fig. 4 is a schematic diagram of a process of determining that a network fluctuates according to RTT of each sampling point according to an embodiment of the present application;
fig. 5 is a flowchart of an embodiment of a bandwidth reservation method according to an embodiment of the present application;
Fig. 6 is a schematic structural diagram of a bandwidth reservation device according to an embodiment of the present application;
Fig. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
The terms first and second and the like in the description, the claims and the drawings of embodiments of the application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
First, some terms in the embodiments of the present application are explained below to facilitate understanding by those skilled in the art.
1. Round-Trip Time (RTT), which is the Round Trip Time for transmitting a packet and receiving an acknowledgement from the peer, is often used to measure the network quality, and generally, the smaller the RTT, the better the network quality, the larger the RTT, and the worse the network quality. The RTTs may include transmission control protocol (TCP, transmission Control Protocol) RTTs, which represent the time taken to send a TCP packet and receive a peer response, hypertext transfer protocol (Hyper Text Transfer Protocol, HTTP) RTTs, which represent the time taken to send an HTTP request and receive a server-side response (HTTP response header), and the like.
2. Bandwidth reservation means that when downloading or otherwise taking up high network bandwidth, the actual network device bandwidth is not actually occupied, but part of the bandwidth is reserved, so that other network requests can be completed within the acceptable range of the user.
3. Speed limiting is the act of limiting the network bandwidth occupied by network requests, so that certain applications requiring high network bandwidth occupation can only occupy specified bandwidth. The application layer generally controls the download speed by controlling the speed at which data is read from a kernel (socket) buffer.
In the related art, when there are multiple data streams or connections, the multiple data streams or connections compete for available bandwidth according to the actual bandwidth. In some service application scenarios sensitive to network delay, a problem that the network performance is reduced due to bandwidth contention in service application with low bandwidth occupation, such as a problem that network request delay is increased, may occur. To solve this problem, embodiments of the present application provide a method, an apparatus, a device, and a storage medium for reserving bandwidth for a second service by acquiring a real-time bandwidth currently available to a terminal device, where the second service is a service that is running before receiving a network request of the first service, and limiting a speed of the first service according to a speed limiting bandwidth obtained based on a difference between the real-time bandwidth and the reserved bandwidth. Therefore, the speed-limiting bandwidth can be fully utilized to operate the first service, enough bandwidth is reserved for the second service, the second service can operate normally, network performance degradation of the second service such as increase of network request delay is avoided, and user experience of the first service and the second service is ensured.
Further, since the actual network request is often completed by a plurality of device nodes and transmission medium links in the network, the real-time bandwidth of the terminal device may vary with the network capabilities of other devices on the network link, the number of people on the network, and the traffic usage of other people sharing the network device. In short, the real-time bandwidth of the terminal device dynamically changes along with network fluctuation, so that when network fluctuation occurs, the real-time bandwidth of the terminal device changes, in the embodiment of the application, whether the network fluctuates is determined according to the change value of RTT, the real-time bandwidth of the terminal device is triggered to be acquired again when the network fluctuation is determined, and by dynamically adjusting the reserved bandwidth and the speed-limiting bandwidth according to the real-time bandwidth of the terminal device, the reserved bandwidth can be reserved for the second service while the first service is operated by fully utilizing the bandwidth, so that the reserved bandwidth is relatively stable, and the normal and stable operation of the second service is ensured.
Next, an application scenario according to an embodiment of the present application is illustrated.
The bandwidth reservation method provided by the embodiment of the application can be at least applied to the following application scenarios, and is explained below with reference to the accompanying drawings.
An exemplary embodiment of the present application is shown in fig. 1, where the bandwidth reservation method provided in the embodiment of the present application is an application scenario schematic diagram, and as shown in fig. 1, the application scenario schematic diagram relates to a terminal device 1 and a server 2, for example, the terminal device 1 is currently running a second service, the current interface of the terminal device 1 displays an interface corresponding to the second service, a user triggers a network request of a first service by operating the terminal device 1, for example, the second service is a game or a live broadcast service, the first service is a download service, the terminal device 1 responds to a triggering operation of the user, receives the network request of the first service, and executes the bandwidth reservation method provided in the embodiment of the present application by the terminal device 1 to obtain a reserved bandwidth and a limited bandwidth of the first service, initiates a network request of the first service to the server 2 according to the limited bandwidth of the first service, runs the second service according to the reserved bandwidth, and receives first service data sent by the server 2. Specifically, the bandwidth reservation method provided by the embodiment of the present application may be executed by a client corresponding to the second service, so as to obtain a reserved bandwidth and a limited bandwidth of the first service, initiate a network request of the first service to the server 2 according to the limited bandwidth of the first service, and operate the second service according to the reserved bandwidth.
The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Fig. 2 is a flowchart of a bandwidth reservation method according to an embodiment of the present application, where the bandwidth reservation method may be performed by a bandwidth reservation device, and the bandwidth reservation device may be implemented by software and/or hardware. The bandwidth reservation means may be the terminal device or a chip or a circuit of the terminal device. As shown in fig. 2, the method of the present embodiment may include:
s101, after receiving a network request of a first service, acquiring a current available real-time bandwidth of the terminal equipment.
Specifically, the network request of the first service may be received in response to a triggering operation of the user. The terminal device is running a second service before receiving a network request for the first service.
As an implementation manner, acquiring the real-time bandwidth currently available to the terminal device may include:
s1011, operating the first service in a preset time period.
Specifically, the first service starts to operate, and a preset period of time is operated, and the whole bandwidth is used in the preset period of time.
S1012, calculating the average operation bandwidth of the first service according to the data volume of the first service and the preset time period.
The preset time period may be any value within 2-5s, taking the preset time period as 3s as an example, taking the first service as an example of downloading the file, and starting the downloading of the first 3s full speed downloading when the file is downloaded. The average value of the download speed of the previous 3s is calculated after 3s, specifically, the average value of the download speed can be obtained by dividing the downloaded data amount of the previous 3s by the preset time period 3s, and the average value is determined as the real-time bandwidth.
S1013, determining the average operation bandwidth of the first service as the real-time bandwidth.
S102, determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a second service, and the second service is a service running before receiving a network request of the first service.
Specifically, after the real-time bandwidth is obtained through S101, the bandwidth reserved for the second service may be determined according to the real-time bandwidth.
Optionally, the determining the reserved bandwidth according to the real-time bandwidth may be:
Determining a reserved bandwidth according to the real-time bandwidth and the corresponding relation between the preset real-time bandwidth and the reserved bandwidth;
if the real-time bandwidth belongs to the first value interval, the corresponding relation is a first corresponding relation;
if the real-time bandwidth belongs to the second value interval, the corresponding relation is a second corresponding relation;
and if the real-time bandwidth belongs to the third value interval, the corresponding relation is a third corresponding relation.
Specifically, after the real-time bandwidth is obtained through S101, a value interval to which the real-time bandwidth belongs is determined, a corresponding relationship is found according to the value interval to which the real-time bandwidth belongs, and the reserved bandwidth can be obtained according to the corresponding relationship.
As an implementation manner, the corresponding relation between the preset real-time bandwidth and the reserved bandwidth may be shown in the following formula, and the reserved bandwidth may be determined according to the corresponding relation between the real-time bandwidth and the preset real-time bandwidth and the reserved bandwidth, specifically, the reserved bandwidth may be determined according to the real-time bandwidth through the following corresponding relation:
Wherein V r is reserved bandwidth, V a is real-time bandwidth, V min is more than or equal to 300kb/s and less than or equal to 600kb/s, a is more than or equal to 0.15 and less than or equal to 0.3, and b is more than or equal to 300kb/s and less than or equal to 600kb/s.
S103, limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth.
Specifically, after the real-time bandwidth and the reserved bandwidth are obtained through S101 and S102, the speed limit bandwidth is the difference between the real-time bandwidth and the reserved bandwidth, that is: v t＝Va-Vr, the speed-limiting bandwidth can be obtained.
The speed limit of the first service is performed according to the speed limit bandwidth of the first service, and the first service can be operated by using the speed limit bandwidth of the first service. At this time, the second service may operate using the reserved bandwidth. Compared with the prior art, after receiving the network request of the first service, if the bandwidth occupied by the first service is higher than that occupied by the second service, the first service can use the current total real-time bandwidth based on the bandwidth competition mechanism, and the second service cannot normally operate. The application can fully utilize the speed-limiting bandwidth to operate the first service, reserve enough bandwidth for the second service, and ensure the user experience of the first service and the second service, wherein the second service can normally operate, thereby avoiding the network performance of the second service from being reduced, such as the increase of network request delay.
According to the bandwidth reservation method provided by the embodiment, after the network request of the first service is received, the current available real-time bandwidth of the terminal equipment is obtained, the bandwidth is reserved for the second service according to the real-time bandwidth, the first service is limited according to the limited speed bandwidth obtained based on the difference between the real-time bandwidth and the reserved bandwidth, and the second service is the service running before the network request of the first service is received. Therefore, the speed-limiting bandwidth can be fully utilized to operate the first service, enough bandwidth is reserved for the second service, the second service can operate normally, network performance degradation of the second service such as increase of network request delay is avoided, and user experience of the first service and the second service is ensured.
Fig. 3 is a flowchart of an embodiment of a bandwidth reservation method according to an embodiment of the present application, where, as shown in fig. 3, the method in this embodiment may further include, based on the method shown in fig. 2:
s104, sampling RTT of the terminal equipment according to the preset sampling time to obtain RTT of each sampling point.
Specifically, the preset sampling time may be 1s or 2s, and taking the preset sampling time as an example of 1s, the time interval between each sampling point is 1s. In short, the RTT of the terminal device is acquired every s.
S105, determining that the network fluctuates according to RTT of each sampling point, and acquiring the current available real-time bandwidth of the terminal equipment again.
Specifically, if it is determined that the network fluctuates according to RTT of each sampling point, S101-S103 are re-executed, that is, the real-time bandwidth currently available to the terminal device is re-acquired, and the reserved bandwidth and the speed-limiting bandwidth are re-determined, as described in S106-S107.
S106, determining updated reserved bandwidth according to the acquired real-time bandwidth.
S107, the speed limit of the first service is carried out according to the updated speed limit bandwidth of the first service, and the updated speed limit bandwidth of the first service is the difference between the acquired real-time bandwidth and the updated speed limit bandwidth of the first service.
In the embodiment of the present application, optionally, in S105, the network is determined to fluctuate according to the RTT of each sampling point, and the following two implementation manners are available:
Mode one:
S1051, determining an RTT threshold according to RTT of the first N sampling points, wherein N is a preset positive integer.
Alternatively, the RTT threshold may be the RTT of the first sampling point obtained from the start of sampling, or may be an average value of RTTs of the first N sampling points, or may be the RTT of the nth sampling point among RTTs of the first N sampling points.
S1052, starting from the RTT of the (n+1) th sampling point, calculating the change value of the RTT of each sampling point after the (N) th sampling point, wherein the change value of the RTT of each sampling point is the difference between the RTT of each sampling point and the RTT threshold value.
Wherein the change value of RTT includes an RTT increase value and an RTT decrease value. For example, N is 5, and from the RTT of the 6 th sampling point, the RTT change value of the 6 th sampling point is calculated, the RTT change value of the 7 th sampling point is calculated, … ….
S1053, if the variation value of RTT of the continuous M sampling points is greater than or equal to a preset threshold value, determining that the network fluctuates, wherein M is a preset positive integer.
Specifically, in one implementation manner, after the network is determined to fluctuate, the real-time bandwidth currently available by the terminal device is acquired again at intervals of one sampling point.
It should be noted that the total sampling time of the M sampling points is greater than the preset time period. That is, a process of acquiring the real-time bandwidth at least once before it is determined that the network fluctuates, and determining the reserved bandwidth and the speed-limiting bandwidth and limiting the first traffic according to the speed-limiting bandwidth.
Fig. 4 is a schematic diagram of a process of determining that a network fluctuates according to RTT of each sampling point, as shown in fig. 4, in this embodiment, taking sampling time as 1s as an example, a time interval of each RTT sampling point is 1s, a change value of RTT includes an RTT increase value and an RTT decrease value, as shown in fig. 4, an RTT increase threshold line and an RTT decrease threshold line, in this embodiment, N is 3, m is 5, and in this embodiment, from RTT of the 4 th sampling point, an RTT change value of the 4 th sampling point is calculated, and RTT change values of the 5 th sampling point are calculated, … …. As shown in fig. 4, the RTT change value of the 4 th sampling point exceeds the RTT threshold for the first time, but the RTT change value of the 5 th sampling point does not exceed the RTT threshold, and the RTT change value of 5 consecutive sampling points exceeds the RTT threshold from the 6 th sampling point, at this time, it is determined that the network fluctuates, and at intervals of one sampling point, the real-time bandwidth currently available to the terminal device is reacquired from the 11 th sampling point (i.e. the process of sampling the network speed), and after the real-time bandwidth currently available to the terminal device is reacquired, the reserved bandwidth and the speed-limiting bandwidth are redetermined. After the reserved bandwidth is adjusted, the RTT increase threshold line and the RTT decrease threshold line are also changed.
Mode two:
S1051', storing RTTs of P sampling points to be compared, wherein the RTTs of the P sampling points to be compared are RTTs of the first P sampling points after sampling starts, and P is a preset positive integer.
S1052', starting from the RTT of the P+1th sampling point, comparing the RTT of each sampling point to be selected after the P+1th sampling point with the RTT of the P sampling points to be compared, and determining the RTT of the target sampling point to be selected, wherein the RTT of the target sampling point to be selected is larger than each RTT in the RTT of the P sampling points to be compared.
S1053', if RTT of P target candidate sampling points is continuously determined, determining that the network fluctuates.
Optionally, after S1053', it may further include: and updating RTTs of the P target sampling points to be selected to RTTs of the P sampling points to be compared. That is, after the reserved bandwidth and the speed-limiting bandwidth are updated, the RTTs of the P target candidate sampling points continuously determined last time are updated to the RTTs of the P sampling points to be compared after the current available real-time bandwidth of the terminal device is obtained again once. Therefore, the accuracy of determining the fluctuation of the network can be improved, and the real-time monitoring of the fluctuation of the network is ensured.
It should be noted that the total sampling time of the P sampling points is greater than the preset time period. That is, a process of acquiring the real-time bandwidth at least once before it is determined that the network fluctuates, and determining the reserved bandwidth and the speed-limiting bandwidth and limiting the first traffic according to the speed-limiting bandwidth.
According to the method provided by the embodiment, whether the network fluctuates is determined according to the change value of the RTT, the real-time bandwidth of the terminal equipment is triggered to be acquired again when the network fluctuates is determined, and the reserved bandwidth and the speed-limiting bandwidth are dynamically adjusted according to the real-time bandwidth of the terminal equipment, so that the reserved bandwidth is relatively stable and normal and stable operation of the second service can be ensured when the first service is operated by fully utilizing the bandwidth. For example, taking the second service as a game or live broadcast as an example, taking the first service as a download file as an example, the method of the embodiment can fully utilize the bandwidth to download the file while reserving enough bandwidth for game frames to ensure that the game is smooth and not blocked, or can fully utilize the bandwidth to download the file while reserving enough bandwidth for live broadcast data stream to ensure that the live broadcast is not blocked.
The detailed procedure of the bandwidth reservation method provided by the present application will be described with reference to a specific embodiment.
Fig. 5 is a flowchart of an embodiment of a bandwidth reservation method according to an embodiment of the present application, where the method of the embodiment may be performed by a client of a second service, as shown in fig. 5, and the method of the embodiment may include:
S201, receiving a network request of a first service.
S202, acquiring the current available real-time bandwidth of the terminal equipment.
Specifically, the network request of the first service may be received in response to a triggering operation of the user. The terminal device is running a second service before receiving a network request for the first service.
Specifically, the acquiring the real-time bandwidth currently available to the terminal device may be:
s2021, running the first service in a preset period.
Specifically, taking the second service as a game or live broadcast as an example, taking the first service as an example to download files, downloading files in a preset time period can be full-speed downloading files in the preset time period.
S2022, calculating the average operation bandwidth of the first service according to the data volume of the first service and the preset time period.
S2023, determining the average operation bandwidth of the first service as the real-time bandwidth.
S203, determining the reserved bandwidth according to the corresponding relation between the real-time bandwidth and the preset real-time bandwidth and the reserved bandwidth.
Optionally, the corresponding relation between the preset real-time bandwidth and the reserved bandwidth may be shown in the following formula, and the reserved bandwidth may be determined according to the corresponding relation between the real-time bandwidth and the preset real-time bandwidth and the reserved bandwidth, specifically, the reserved bandwidth may be determined according to the real-time bandwidth according to the following corresponding relation:
Wherein V r is reserved bandwidth, V a is real-time bandwidth, V min is more than or equal to 300kb/s and less than or equal to 600kb/s, a is more than or equal to 0.15 and less than or equal to 0.3, and b is more than or equal to 300kb/s and less than or equal to 600kb/s.
S204, limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth.
S205, sampling RTT of the terminal equipment according to preset sampling time to obtain RTT of each sampling point.
In S205, the RTT of the terminal device may be sampled according to a preset sampling time, which may be performed simultaneously with S201, and the sampling process is performed all the way from the start of the first service operation to the end of the first service operation. Whenever it is determined that the network fluctuates through S206, the real-time bandwidth currently available to the terminal device is re-acquired, and the reserved bandwidth is determined and the first service is speed-limited according to the updated speed-limited bandwidth.
S206, determining that the network fluctuates according to RTT of each sampling point, and acquiring the current available real-time bandwidth of the terminal equipment again.
Specifically, in S206, the network is determined to fluctuate according to RTT of each sampling point, and there are two possible ways to implement the method, and the detailed description can be referred to S1051-S1053 and S S1051'-S1053' shown in the embodiment of fig. 3, which are not repeated herein.
The specific procedure may be to re-acquire the real-time bandwidth currently available to the terminal device in the manner of S2021-S2023.
S207, determining updated reserved bandwidth according to the acquired real-time bandwidth.
S208, limiting the speed of the first service according to the updated speed limiting bandwidth of the first service, wherein the updated speed limiting bandwidth of the first service is the difference between the acquired real-time bandwidth and the updated speed limiting bandwidth of the first service.
It will be appreciated that when the first service is not completed, S205 is performed all the time, and when it is determined that the network fluctuates again, the processes of S207-S208 are also performed, so as to ensure that the reserved bandwidth is relatively stable when the network fluctuates.
The method provided by the embodiment can realize that enough bandwidth is reserved for the second service while the first service is operated by fully utilizing the bandwidth, so that the reserved bandwidth is relatively stable, and the normal and stable operation of the second service is ensured.
The following are embodiments of the apparatus of the present application that may be used to perform the above-described method embodiments of the present application. For details not disclosed in the embodiments of the device according to the application, reference is made to the above-described method embodiments of the application.
Fig. 6 is a schematic structural diagram of a bandwidth reservation device according to an embodiment of the present application, as shown in fig. 6, where the device in this embodiment may include: an acquisition module 11, a determination module 12 and a processing module 13, wherein,
The acquiring module 11 is configured to acquire a real-time bandwidth currently available to the terminal device after receiving a network request of the first service;
The determining module 12 is configured to determine a reserved bandwidth according to the real-time bandwidth, where the reserved bandwidth is a bandwidth reserved for a second service, and the second service is a service that is running before receiving the network request of the first service;
The processing module 13 is configured to limit the speed of the first service according to a speed limit bandwidth of the first service, where the speed limit bandwidth is a difference between the real-time bandwidth and the reserved bandwidth.
Optionally, the acquiring module 11 is configured to operate the first service in a preset period of time;
calculating the average operation bandwidth of the first service according to the data volume of the first service and a preset time period;
the average operating bandwidth of the first traffic is determined to be the real-time bandwidth.
Optionally, the determining module 12 is configured to determine the reserved bandwidth according to the real-time bandwidth and a preset correspondence between the real-time bandwidth and the reserved bandwidth;
if the real-time bandwidth belongs to the first value interval, the corresponding relation is a first corresponding relation;
if the real-time bandwidth belongs to the second value interval, the corresponding relation is a second corresponding relation;
and if the real-time bandwidth belongs to the third value interval, the corresponding relation is a third corresponding relation.
Optionally, the determining module 12 is configured to determine the reserved bandwidth according to the real-time bandwidth by the following correspondence relationship:
Wherein V r is reserved bandwidth, V a is real-time bandwidth, V min is more than or equal to 300kb/s and less than or equal to 600kb/s, a is more than or equal to 0.15 and less than or equal to 0.3, and b is more than or equal to 300kb/s and less than or equal to 600kb/s.
Optionally, the obtaining module 11 is further configured to: sampling RTT of the terminal equipment according to a preset sampling time to obtain RTT of each sampling point;
Determining that the network fluctuates according to RTT of each sampling point, and re-acquiring the current available real-time bandwidth of the terminal equipment;
The determining module 12 is further configured to determine an updated reserved bandwidth according to the acquired real-time bandwidth;
The processing module 13 is further configured to limit the speed of the first service according to the updated speed limit bandwidth of the first service, where the updated speed limit bandwidth of the first service is a difference between the real-time bandwidth obtained again and the updated speed limit bandwidth of the first service.
Optionally, the acquiring module 11 is specifically configured to: determining an RTT threshold according to RTT of the first N sampling points, wherein N is a preset positive integer;
Calculating the change value of RTT of each sampling point after the N-th sampling point from RTT of the (n+1) -th sampling point, wherein the change value of RTT of each sampling point is the difference between RTT of each sampling point and RTT threshold;
If the variation value of RTT of the continuous M sampling points is larger than or equal to a preset threshold value, the network is determined to fluctuate, and M is a preset positive integer.
Optionally, the acquiring module 11 is specifically configured to: storing RTTs of P sampling points to be compared, wherein the RTTs of the P sampling points to be compared are RTTs of the front P sampling points after sampling starts, and P is a preset positive integer;
Starting from RTT of the P+1th sampling point, comparing RTT of each sampling point to be selected after the P+1th sampling point with RTT of the P sampling points to be compared, and determining RTT of a target sampling point to be selected, wherein the RTT of the target sampling point to be selected is larger than each RTT of the P sampling points to be compared;
and if RTT of the P target sampling points to be selected is continuously determined, determining that the network fluctuates.
Optionally, the obtaining module 11 is further configured to: and updating RTTs of the P target sampling points to be selected to RTTs of the P sampling points to be compared.
The device provided in the embodiment of the present application may execute the above method embodiment, and the specific implementation principle and technical effects of the device may be referred to the above method embodiment, and this embodiment is not described herein again.
It should be noted that, it should be understood that the division of the modules of the above apparatus is merely a division of a logic function, and may be fully or partially integrated into a physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; the method can also be realized in a form of calling software by a processing element, and the method can be realized in a form of hardware by a part of modules. For example, the processing module may be a processing element that is set up separately, may be implemented in a chip of the above-mentioned apparatus, or may be stored in a memory of the above-mentioned apparatus in the form of program codes, and the functions of the above-mentioned processing module may be called and executed by a processing element of the above-mentioned apparatus. The implementation of the other modules is similar. In addition, all or part of the modules can be integrated together or can be independently implemented. The processing element here may be an integrated circuit with signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in a software form.
For example, the modules above may be one or more integrated circuits configured to implement the methods above, such as: one or more Application SPECIFIC INTEGRATED Circuits (ASIC), or one or more microprocessors (DIGITAL SIGNAL processors, DSP), or one or more field programmable gate arrays (field programmable GATE ARRAY, FPGA), etc. For another example, when a module above is implemented in the form of processing element scheduler code, the processing element may be a general purpose processor, such as a central processing unit (central processing unit, CPU) or other processor that may invoke the program code. For another example, the modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.) means from one website, computer, server, or data center. Computer readable storage media can be any available media that can be accessed by a computer or data storage devices, such as servers, data centers, etc., that contain an integration of one or more available media. Usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tape), optical media (e.g., DVD), or semiconductor media (e.g., solid state disk STATE DISK (SSD)), among others.
Fig. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present application, as shown in fig. 7, the terminal device of this embodiment may include a processor 21 and a memory 22,
Wherein the memory 22 is used for storing executable instructions of the processor 21.
The processor 21 is configured to perform the bandwidth reservation method in the method embodiments described above via execution of executable instructions.
Alternatively, the memory 22 may be separate or integrated with the processor 21.
When the memory 22 is a device independent of the processor 21, the terminal apparatus of the present embodiment may further include:
a bus 23 for connecting the memory 22 and the processor 21.
Optionally, the terminal device of the present embodiment may further include: a communication interface 24, the communication interface 24 being connectable with the processor 21 via a bus 23.
The present application also provides a computer-readable storage medium having stored therein computer-executable instructions that, when run on a computer, cause the computer to perform the bandwidth reservation method of the above embodiments.
The embodiments of the present application also provide a computer program product comprising a computer program which, when executed by a processor, implements the bandwidth reservation method in the above embodiments.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
According to one or more embodiments of the present disclosure, there is provided a bandwidth reservation method including:
after receiving a network request of a first service, acquiring a current available real-time bandwidth of a terminal device;
Determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a second service, and the second service is a service running before receiving a network request of the first service;
and limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth.
According to one or more embodiments of the present disclosure, the acquiring the real-time bandwidth currently available to the terminal device includes:
Operating the first service in a preset time period;
Calculating the average operation bandwidth of the first service according to the data volume of the first service and the preset time period;
And determining the average operation bandwidth of the first service as the real-time bandwidth.
According to one or more embodiments of the present disclosure, the determining a reserved bandwidth according to the real-time bandwidth includes:
determining the reserved bandwidth according to the corresponding relation between the real-time bandwidth and the preset real-time bandwidth and the reserved bandwidth;
If the real-time bandwidth belongs to a first value interval, the corresponding relation is a first corresponding relation;
If the real-time bandwidth belongs to a second value interval, the corresponding relation is a second corresponding relation;
And if the real-time bandwidth belongs to a third value interval, the corresponding relation is a third corresponding relation.
According to one or more embodiments of the present disclosure, the determining the reserved bandwidth according to the real-time bandwidth and the correspondence between the preset real-time bandwidth and the reserved bandwidth includes:
determining the reserved bandwidth according to the real-time bandwidth through the corresponding relation as follows:
Wherein V r is the reserved bandwidth, V a is the real-time bandwidth, V min is less than or equal to 300kb/s and less than or equal to 600kb/s, a is less than or equal to 0.15 and less than or equal to 0.3, and b is less than or equal to 300kb/s and less than or equal to 600kb/s.
According to one or more embodiments of the present disclosure, the method further comprises:
sampling the round trip time RTT of the terminal equipment according to a preset sampling time to obtain the RTT of each sampling point;
determining that the network fluctuates according to the RTT of each sampling point, and re-acquiring the current available real-time bandwidth of the terminal equipment;
Determining an updated reserved bandwidth according to the acquired real-time bandwidth;
And limiting the speed of the first service according to the speed limiting bandwidth of the updated first service, wherein the speed limiting bandwidth of the updated first service is the difference between the real-time bandwidth and the speed limiting bandwidth of the updated first service.
According to one or more embodiments of the present disclosure, the determining that the network fluctuates according to the RTT of each sampling point includes:
determining an RTT threshold according to RTT of the first N sampling points, wherein N is a preset positive integer;
Calculating the change value of the RTT of each sampling point after the N-th sampling point from the RTT of the (n+1) -th sampling point, wherein the change value of the RTT of each sampling point is the difference between the RTT of each sampling point and the RTT threshold value;
If the variation value of RTT of the continuous M sampling points is larger than or equal to a preset threshold value, the network is determined to fluctuate, wherein M is a preset positive integer.
According to one or more embodiments of the present disclosure, the determining that the network fluctuates according to the RTT of each sampling point includes:
storing RTTs of P sampling points to be compared, wherein the RTTs of the P sampling points to be compared are RTTs of the first P sampling points after sampling starts, and P is a preset positive integer;
Starting from RTT of the P+1th sampling point, comparing RTT of each sampling point to be selected after the P+1th sampling point with RTT of the P sampling points to be compared, and determining RTT of a target sampling point to be selected, wherein the RTT of the target sampling point to be selected is larger than each RTT of the P sampling points to be compared;
and if RTT of the P target candidate sampling points is continuously determined, determining that the network fluctuates.
According to one or more embodiments of the present disclosure, the method further comprises:
and updating RTTs of the P target sampling points to be selected to RTTs of the P sampling points to be compared.
According to one or more embodiments of the present disclosure, there is provided a bandwidth reservation apparatus including:
The acquisition module is used for acquiring the current available real-time bandwidth of the terminal equipment after receiving the network request of the first service;
the determining module is used for determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a second service, and the second service is a service running before receiving a network request of the first service;
and the processing module is used for limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth.
According to one or more embodiments of the present disclosure, the obtaining module is configured to:
Operating the first service in a preset time period;
Calculating the average operation bandwidth of the first service according to the data volume of the first service and the preset time period;
And determining the average operation bandwidth of the first service as the real-time bandwidth.
According to one or more embodiments of the present disclosure, the determining module is configured to:
determining the reserved bandwidth according to the corresponding relation between the real-time bandwidth and the preset real-time bandwidth and the reserved bandwidth;
If the real-time bandwidth belongs to a first value interval, the corresponding relation is a first corresponding relation;
If the real-time bandwidth belongs to a second value interval, the corresponding relation is a second corresponding relation;
And if the real-time bandwidth belongs to a third value interval, the corresponding relation is a third corresponding relation.
According to one or more embodiments of the present disclosure, the determining module is specifically configured to:
determining the reserved bandwidth according to the real-time bandwidth through the corresponding relation as follows:
Wherein V r is the reserved bandwidth, V a is the real-time bandwidth, V min is less than or equal to 300kb/s and less than or equal to 600kb/s, a is less than or equal to 0.15 and less than or equal to 0.3, and b is less than or equal to 300kb/s and less than or equal to 600kb/s.
According to one or more embodiments of the present disclosure, the acquisition module is further configured to:
sampling the round trip time RTT of the terminal equipment according to a preset sampling time to obtain the RTT of each sampling point;
determining that the network fluctuates according to the RTT of each sampling point, and re-acquiring the current available real-time bandwidth of the terminal equipment;
The determining module is further configured to determine an updated reserved bandwidth according to the acquired real-time bandwidth;
The processing module is further configured to limit the speed of the first service according to the updated speed limit bandwidth of the first service, where the updated speed limit bandwidth of the first service is a difference between the real-time bandwidth and the updated speed limit bandwidth of the first service.
According to one or more embodiments of the present disclosure, the obtaining module is specifically configured to:
determining an RTT threshold according to RTT of the first N sampling points, wherein N is a preset positive integer;
Calculating the change value of the RTT of each sampling point after the N-th sampling point from the RTT of the (n+1) -th sampling point, wherein the change value of the RTT of each sampling point is the difference between the RTT of each sampling point and the RTT threshold value;
If the variation value of RTT of the continuous M sampling points is larger than or equal to a preset threshold value, the network is determined to fluctuate, wherein M is a preset positive integer.
According to one or more embodiments of the present disclosure, the obtaining module is specifically configured to:
storing RTTs of P sampling points to be compared, wherein the RTTs of the P sampling points to be compared are RTTs of the first P sampling points after sampling starts, and P is a preset positive integer;
Starting from RTT of the P+1th sampling point, comparing RTT of each sampling point to be selected after the P+1th sampling point with RTT of the P sampling points to be compared, and determining RTT of a target sampling point to be selected, wherein the RTT of the target sampling point to be selected is larger than each RTT of the P sampling points to be compared;
and if RTT of the P target candidate sampling points is continuously determined, determining that the network fluctuates.
According to one or more embodiments of the present disclosure, the acquisition module is further configured to:
and updating RTTs of the P target sampling points to be selected to RTTs of the P sampling points to be compared.
Claims (10)
1. A method for reserving bandwidth, comprising:
after receiving a network request of a first service, acquiring a current available real-time bandwidth of a terminal device;
Determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a second service, and the second service is a service running before receiving a network request of the first service;
Limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth;
The obtaining the current available real-time bandwidth of the terminal equipment comprises the following steps:
Operating the first service in a preset time period;
Calculating the average operation bandwidth of the first service according to the data volume of the first service and the preset time period;
And determining the average operation bandwidth of the first service as the real-time bandwidth.
2. The method of claim 1, wherein said determining a reserved bandwidth from said real-time bandwidth comprises:
determining the reserved bandwidth according to the corresponding relation between the real-time bandwidth and the preset real-time bandwidth and the reserved bandwidth;
If the real-time bandwidth belongs to a first value interval, the corresponding relation is a first corresponding relation;
If the real-time bandwidth belongs to a second value interval, the corresponding relation is a second corresponding relation;
And if the real-time bandwidth belongs to a third value interval, the corresponding relation is a third corresponding relation.
3. The method according to claim 2, wherein determining the reserved bandwidth according to the real-time bandwidth and the correspondence between the preset real-time bandwidth and the reserved bandwidth comprises:
determining the reserved bandwidth according to the real-time bandwidth through the corresponding relation as follows:
Wherein V r is the reserved bandwidth, V a is the real-time bandwidth, V min is less than or equal to 300kb/s and less than or equal to 600kb/s, a is less than or equal to 0.15 and less than or equal to 0.3, and b is less than or equal to 300kb/s and less than or equal to 600kb/s.
4. A method according to any one of claims 1-3, the method further comprising:
sampling the round trip time RTT of the terminal equipment according to a preset sampling time to obtain the RTT of each sampling point;
determining that the network fluctuates according to the RTT of each sampling point, and re-acquiring the current available real-time bandwidth of the terminal equipment;
Determining an updated reserved bandwidth according to the acquired real-time bandwidth;
And limiting the speed of the first service according to the speed limiting bandwidth of the updated first service, wherein the speed limiting bandwidth of the updated first service is the difference between the real-time bandwidth and the reserved bandwidth of the updated first service.
5. The method of claim 4, wherein said determining that the network fluctuates according to the RTT of each sampling point comprises:
determining an RTT threshold according to RTT of the first N sampling points, wherein N is a preset positive integer;
Calculating the change value of the RTT of each sampling point after the N-th sampling point from the RTT of the (n+1) -th sampling point, wherein the change value of the RTT of each sampling point is the difference between the RTT of each sampling point and the RTT threshold value;
If the variation value of RTT of the continuous M sampling points is larger than or equal to a preset threshold value, the network is determined to fluctuate, wherein M is a preset positive integer.
6. The method of claim 4, wherein said determining that the network fluctuates according to the RTT of each sampling point comprises:
storing RTTs of P sampling points to be compared, wherein the RTTs of the P sampling points to be compared are RTTs of the first P sampling points after sampling starts, and P is a preset positive integer;
Starting from RTT of the P+1th sampling point, comparing RTT of each sampling point to be selected after the P+1th sampling point with RTT of the P sampling points to be compared, and determining RTT of a target sampling point to be selected, wherein the RTT of the target sampling point to be selected is larger than each RTT of the P sampling points to be compared;
and if RTT of the P target candidate sampling points is continuously determined, determining that the network fluctuates.
7. The method of claim 6, wherein the method further comprises:
and updating RTTs of the P target sampling points to be selected to RTTs of the P sampling points to be compared.
8. A bandwidth reservation apparatus, comprising:
The acquisition module is used for acquiring the current available real-time bandwidth of the terminal equipment after receiving the network request of the first service;
the determining module is used for determining a reserved bandwidth according to the real-time bandwidth, wherein the reserved bandwidth is reserved for a second service, and the second service is a service running before receiving a network request of the first service;
The processing module is used for limiting the speed of the first service according to the speed limiting bandwidth of the first service, wherein the speed limiting bandwidth is the difference between the real-time bandwidth and the reserved bandwidth;
The acquisition module is specifically configured to:
Operating the first service in a preset time period;
Calculating the average operation bandwidth of the first service according to the data volume of the first service and the preset time period;
And determining the average operation bandwidth of the first service as the real-time bandwidth.
9. A terminal device, comprising:
A processor; and
A memory for storing executable instructions of the processor;
wherein the processor is configured to perform the bandwidth reservation method of any of claims 1-7 via execution of the executable instructions.
10. A computer readable storage medium having stored thereon a computer program, which when executed by a processor implements the bandwidth reservation method according to any of claims 1-7.
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| CN110674942A (en) * | 2019-09-26 | 2020-01-10 | 深圳前海达闼云端智能科技有限公司 | Bandwidth management method and device, electronic equipment and readable storage medium |
| CN113037529A (en) * | 2019-12-25 | 2021-06-25 | 北京东土科技股份有限公司 | Reserved bandwidth allocation method, device, equipment and storage medium |
| CN111565323A (en) * | 2020-03-23 | 2020-08-21 | 视联动力信息技术股份有限公司 | Flow control method and device, electronic equipment and storage medium |
| CN111935033A (en) * | 2020-08-05 | 2020-11-13 | 上海映驰科技有限公司 | Terminal flow reservation method, system and computer equipment for time sensitive flow |
| CN112165691A (en) * | 2020-09-24 | 2021-01-01 | 百度在线网络技术（北京）有限公司 | Content delivery network scheduling method, device, server and medium |
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