CN111866958A - Speed limiting method and device - Google Patents
Speed limiting method and device Download PDFInfo
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- CN111866958A CN111866958A CN202010528019.9A CN202010528019A CN111866958A CN 111866958 A CN111866958 A CN 111866958A CN 202010528019 A CN202010528019 A CN 202010528019A CN 111866958 A CN111866958 A CN 111866958A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
Abstract
The application provides a speed limiting method and a device, wherein the method is applied to AC and comprises the following steps: determining a wireless terminal needing speed limitation according to access information of the wireless terminal reported by at least one AP; calculating the sum of actual sending rate values included in the access information of all current wireless terminals needing speed limiting; if the sum of the calculated speed values is larger than a preset speed threshold value, or the calculated speed sum and the currently recorded speed limit value are both smaller than the preset speed threshold value, adjusting the speed limit value according to a preset adjustment strategy; informing all APs accessed by the wireless terminals needing speed limiting to delete the speed limiting values configured on the radio frequency units, configuring the adjusted speed limiting values as the speed limiting values of the wireless terminals needing speed limiting to the corresponding radio frequency units, and using the adjusted speed limiting values by the corresponding radio frequency units to limit the speed of the wireless terminals needing speed limiting. According to the embodiment of the application, the waste of bandwidth resources can be reduced, and the user experience is improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a speed limiting method and apparatus.
Background
In a wireless network, a wireless terminal accessing the wireless network generally needs to be rate-limited to realize reasonable utilization of bandwidth resources.
In a speed-limiting scheme, an administrator configures a speed-limiting value on each radio frequency unit of an Access Point (AP) in a wireless network, where the speed-limiting value is used as the sum of actual transmission rates of wireless terminals accessing the radio frequency unit. When a wireless terminal accesses or leaves the radio frequency unit, the AP adjusts the speed limit value of each current online wireless terminal on the radio frequency unit to be M/N, wherein M is the configured speed limit value, and N is the number of the current online wireless terminals on the radio frequency unit, so as to limit the bandwidth resources of the wireless terminals accessed on the radio frequency unit.
It can be seen that, in the above speed-limiting scheme, once the wireless terminal accesses or leaves, the AP performs speed-limiting adjustment operation, so that the AP frequently adjusts the speed-limiting value under the condition that the wireless terminal frequently roams or frequently goes up and down, resulting in a heavy load on the AP.
In addition, the AP performs unified speed limitation on all wireless terminals accessed to one radio frequency unit, and does not distinguish between a limited wireless terminal (i.e., a wireless terminal requiring speed limitation) and a common wireless terminal (i.e., a wireless terminal not requiring speed limitation), which may affect user experience of users holding the common wireless terminal, and also may cause waste of bandwidth resources due to the fact that the actual transmission rate of some wireless terminals is lower than the speed limit value averagely allocated by the AP.
Disclosure of Invention
In order to overcome the problems in the related art, the application provides a speed limiting method and a speed limiting device.
According to a first aspect of an embodiment of the present application, there is provided a speed limiting method, where the method is applied to an Access Controller (AC) in a wireless network, and the method includes:
determining a wireless terminal needing speed limitation according to the access information of the wireless terminal reported by at least one AP in the wireless network;
calculating the sum of actual sending rate values included in the access information of all current wireless terminals needing speed limiting in the wireless network;
if the sum of the calculated speed values is larger than a preset speed threshold value, or the calculated speed sum and the currently recorded speed limit value are both smaller than the preset speed threshold value, adjusting the speed limit value according to a preset adjustment strategy;
informing all APs accessed by the wireless terminals needing speed limiting to delete the speed limiting values configured on the radio frequency units, configuring the adjusted speed limiting values as the speed limiting values of the wireless terminals needing speed limiting to the corresponding radio frequency units, and using the adjusted speed limiting values by the corresponding radio frequency units to limit the speed of the wireless terminals needing speed limiting.
According to a second aspect of embodiments of the present application, there is provided a speed limiting device applied to an AC in a wireless network, the device including:
the determining module is used for determining the wireless terminal needing speed limitation according to the access information of the wireless terminal reported by at least one AP in the wireless network;
the calculation module is used for calculating the sum of actual sending rate values included in the access information of all the wireless terminals needing speed limiting currently in the wireless network;
the adjusting module is used for adjusting the speed limit value according to a preset adjusting strategy if the sum of the calculated speed values is greater than a preset speed threshold value or the sum of the calculated speed values and the currently recorded speed limit value are both less than the preset speed threshold value;
and the notification module is used for notifying all APs accessed by the wireless terminals needing speed limiting to delete the speed limiting values configured on the radio frequency units, configuring the adjusted speed limiting values as the speed limiting values of the wireless terminals needing speed limiting to the corresponding radio frequency units, and limiting the speed of the wireless terminals needing speed limiting by using the adjusted speed limiting values through the corresponding radio frequency units.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
In the embodiment of the application, the AC can distinguish the wireless terminals requiring speed limitation according to the access information of the wireless terminals reported by the AP, specifically decide how to adjust the speed limitation values of the wireless terminals according to the corresponding actual transmission rates for all the wireless terminals requiring speed limitation at present, and issue the adjusted speed limitation values to the corresponding APs to realize speed limitation of the wireless terminals. The speed limiting mode can reasonably balance bandwidth resources, reduce the waste of the bandwidth resources, does not influence a common wireless terminal, and improves the user experience.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic flow chart of a speed limiting method according to an embodiment of the present application;
fig. 2 is a second schematic flow chart of a speed limiting method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a speed limiting device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Next, examples of the present application will be described in detail.
The embodiment of the application provides a speed limiting method, which is applied to an AC in a wireless network, and as shown in fig. 1, the method may include the following steps:
s11, according to the access information of the wireless terminal reported by at least one AP in the wireless network, the wireless terminal needing speed limitation is determined.
And S12, calculating the sum of actual sending rate values included in the access information of all the wireless terminals needing speed limiting currently in the wireless network.
And S13, if the sum of the calculated speed values is larger than a preset speed threshold value, or the calculated speed sum and the current recorded speed limit value are both smaller than the preset speed threshold value, adjusting the speed limit value according to a preset adjustment strategy.
S14, informing all APs accessed by the wireless terminal needing speed limit to delete the speed limit value configured on the radio frequency unit, configuring the adjusted speed limit value as the speed limit value of the wireless terminal needing speed limit to the corresponding radio frequency unit, and using the adjusted speed limit value by the corresponding radio frequency unit to limit the speed of the wireless terminal needing speed limit.
In this step, for any AP of the APs to which all the wireless terminals that need to limit the speed currently access, the AC may send two notification messages to the AP, where one notification message is used to instruct the AP to delete all the speed limit values configured on the radio frequency unit (i.e., the speed limit value of the wireless terminal that needs to limit the speed on the corresponding radio frequency unit), and the other notification message is used to instruct the AP to configure the wireless terminal that needs to limit the speed on the corresponding radio frequency unit according to the speed limit value of the wireless terminal that needs to limit the speed issued by the AC.
The AC may also send a notification message to the AP to notify the AP to perform relevant deletion and configuration of the speed limit. Of course, the AC may also notify the AP in other ways, which are not listed here.
In the embodiment of the application, in order to avoid frequent speed limit adjustment of the AP, aggravate the load of the AP, and avoid some meaningless adjustments occurring in the process of speed limit adjustment, the AP does not execute speed limit operation any more, the AP is only responsible for reporting access information of the wireless terminal accessed on its radio frequency unit to the AC, and the AC decides whether speed limit adjustment is needed and how to adjust according to the access information to reduce the load of the AP, wherein each piece of access information may include information such as the AP accessed by the wireless terminal, the radio frequency unit accessed by the wireless terminal, the MAC address of the wireless terminal, the access service identifier, the actual transmission rate, and the like.
Here, the AP may report the access information of the wireless terminal according to a reporting policy issued by the AC, for example, the reporting policy is reporting according to a set interval, and thus, the actual sending rate of the wireless terminal within a period of time after the wireless terminal is stably on line is truly reflected to a certain extent, and the shorter the set interval is, the higher the accuracy of subsequent speed limit adjustment is.
Once the AC receives the access information reported by the AP, the speed limit process is triggered, i.e., the steps S11 to S14 are performed.
Specifically, in the above step S11, the AC may determine the wireless terminal that needs speed limiting by:
judging whether the MAC address included in the access information of each wireless terminal is in a preset speed-limiting terminal list or not aiming at each wireless terminal;
and if so, determining the wireless terminal as the wireless terminal needing speed limitation.
It should be noted that, if the MAC address included in the access information of the wireless terminal is not in the preset speed-limiting terminal list, or the access service identifier included in the access information of the wireless terminal is not the identifier of the access service that starts the speed-limiting service function, it is all indicated that the wireless terminal is not the wireless terminal that needs speed limiting, and this procedure is ended.
After determining the wireless terminals needing speed limitation, the AC can further perform the following operations for each determined wireless terminal needing speed limitation:
Judging whether the access information of the wireless terminal is recorded locally;
if so, updating the recorded access information of the wireless terminal into the received access information of the wireless terminal, and refreshing a corresponding aging timer;
if not, recording the access information of the wireless terminal, and setting an aging timer for the access information of the wireless terminal;
and when the aging timer is overtime, deleting the currently recorded access information of the wireless terminal, informing the AP accessed by the wireless terminal to delete the current speed limit value of the wireless terminal, returning to execute the step S12, and re-optimizing the speed limit value to avoid the offline wireless terminal from occupying bandwidth resources.
Specifically, in the step S13, the AC may adjust the speed limit value by:
in the first case, when the sum of the calculated speed values is greater than a preset speed threshold, the speed limit value is adjusted in the following way:
changing the speed limit value into the highest actual sending speed value in the actual sending speed values of all the current wireless terminals needing speed limit, and adjusting the changed speed limit value downwards according to a preset down-regulation proportion, for example, 5% down-regulation;
Modifying the actual sending speed values higher than the speed limit value after down regulation in the actual sending speed values of all the wireless terminals needing speed limit into the speed limit value after down regulation;
recalculating the actual sending rate values of all current wireless terminals needing rate limiting, taking the rate limiting value after down regulation as the rate limiting value when the sum of the recalculated rate values is greater than a preset rate threshold, and returning to the step of changing the rate limiting value into the highest actual sending rate value in the actual sending rate values of all current wireless terminals needing rate limiting until the sum of the recalculated rate values is not greater than the preset rate threshold.
In the second case, when the calculated sum of the rates and the currently recorded speed limit value are both smaller than the preset rate threshold value, the speed limit value is adjusted in the following way:
and (4) adjusting the speed limit value according to a preset up-adjusting proportion, such as 5% up-adjusting, wherein the adjusted speed limit value is not greater than a preset speed threshold value.
Further, in the embodiment of the present application, the AC may further perform the following operations:
when the calculated sum of the rates is smaller than a preset rate threshold and the speed limit value is equal to the preset rate threshold, if roaming wireless terminals exist in all the wireless terminals needing speed limit, informing the AP before roaming of the roaming wireless terminal to delete the speed limit value of the roaming wireless terminal, sending the speed limit value to the AP after roaming of the roaming wireless terminal, so that the AP after roaming of the roaming wireless terminal configures the speed limit value into the speed limit value of the roaming wireless terminal (the speed limit value is actually configured to a radio frequency unit accessed by the roaming wireless terminal), and using the speed limit value to limit the speed of the roaming wireless terminal; if no roaming wireless terminal exists in the wireless terminals needing speed limiting currently, the process is ended.
In the operation flow, for each wireless terminal needing speed limitation, whether the access information of the wireless terminal includes the accessed AP and the accessed radio frequency unit is changed compared with the previous record or not can be judged, if the change occurs, the wireless terminal is indicated to be roaming, and the wireless terminal is determined to be a roaming terminal; if no change occurs, the wireless terminal is not roamed, and the wireless terminal is determined not to be a roaming terminal.
The above speed limiting method is described in detail with reference to specific embodiments.
Suppose that an AP in a wireless network reports to an AC a wireless terminal newly accessed on a radio frequency unit of the AP; assuming that the AC currently records access information of 2 wireless terminals requiring speed limit on the radio frequency unit, the currently recorded speed limit value is P, the preset speed threshold value is M, and the speed limit process executed by the AC is as follows (as shown in fig. 2):
s21: access information for the wireless terminal is received.
S22: judging whether the MAC address included in the access information of the wireless terminal is in a preset speed-limiting terminal list or not; if the determination result is no, step S23 is executed, and if the determination result is yes, step S24 is executed.
S23: the flow is ended.
S24: judging whether an access service identifier included in the access information of the wireless terminal is an identifier of an access service with a speed-limiting service function; if the determination result is no, step S23 is executed, and if the determination result is yes, step S25 is executed.
S25: judging whether the access information of the wireless terminal is recorded locally; if the determination result is yes, step S26 is executed, and if the determination result is no, step S27 is executed.
S26: and updating the recorded access information of the wireless terminal into the received access information of the wireless terminal, and refreshing the corresponding aging timer.
S27: and recording the access information of the wireless terminal, and setting an aging timer for the access information of the wireless terminal.
And when the aging timer is overtime, deleting the access information of the wireless terminal, informing the AP accessed by the wireless terminal to delete the current speed limit value of the wireless terminal, and continuing to execute step S28.
S28: and calculating the sum of actual sending rate values included in the access information of all the current wireless terminals needing speed limiting in the wireless network.
S29: judging whether the sum of the calculated speed values is greater than M; if the determination result is yes, step S30 is executed, and if the determination result is no, step S32 is executed.
S30: according to adjustment strategy 1, P is adjusted to obtain P1.
The specific adjustment process is described in the first case above, and will not be described in detail here. After that, step S31 is executed.
S31: and informing the AP to delete the speed limit value configured on the radio frequency unit, and configuring P1 as the speed limit value of the 3 wireless terminals on the radio frequency unit so that the radio frequency unit limits the speed of the 3 wireless terminals by using P1.
S32: judging whether P is smaller than M; if the determination result is yes, step S33 is executed, and if the determination result is no, step S35 is executed.
S33: according to the adjustment strategy 2, P is adjusted to obtain P2.
The specific adjustment process is described in the second case above, and will not be described in detail here. After that, step S34 is executed.
S34: and informing the AP to delete the speed limit value configured on the radio frequency unit, and configuring P2 as the speed limit value of the 3 wireless terminals on the radio frequency unit so that the radio frequency unit limits the speed of the 3 wireless terminals by using P2.
S35: judging whether P is equal to M; if the determination result is yes, step S36 is executed, and if the determination result is no, step S23 is executed.
S36: if the roaming wireless terminal exists in all the wireless terminals needing speed limiting currently, the AP before roaming of the roaming wireless terminal is informed to delete the speed limiting value (namely P) of the roaming wireless terminal, and the P is sent to the AP after roaming of the roaming wireless terminal, so that the AP after roaming of the roaming wireless terminal configures the P as the speed limiting value of the roaming wireless terminal, and the P is used for limiting the speed of the roaming wireless terminal.
It should be noted that, when the AC finishes the step S31, or finishes the step S34, or finishes the step S36, it means that the speed limiting process is finished, and once the subsequent AC receives the access information of the wireless terminal requiring speed limiting, which is accessed by the certain radio frequency unit or the certain radio frequency units and reported by the AP or other APs, the speed limiting process is restarted; once the aging timer of the access information of a certain wireless terminal is found to be over, the above step S28 is executed again, and the bandwidth resource is adjusted.
According to the technical scheme, the AC can distinguish the wireless terminals needing speed limitation according to the access information of the wireless terminals reported by the AP, specially decide how to adjust the speed limitation values of the wireless terminals according to the corresponding actual sending speed aiming at all the wireless terminals needing speed limitation, and send the adjusted speed limitation values to the corresponding AP so as to realize the speed limitation of the wireless terminals. The speed limiting mode can reasonably balance bandwidth resources, reduce the waste of the bandwidth resources, does not influence a common wireless terminal, and improves the user experience.
Based on the same inventive concept, the present application further provides a speed limiting device, which is applied to an AC in a wireless network, and a schematic structural diagram of the device is shown in fig. 3, and specifically includes:
A determining module 31, configured to determine, according to access information of a wireless terminal reported by at least one AP in the wireless network, the wireless terminal that needs to limit the speed;
a calculating module 32, configured to calculate a sum of actual sending rate values included in access information of all current wireless terminals requiring speed limiting in the wireless network;
the adjusting module 33 is configured to adjust the speed limit value according to a preset adjusting strategy if the sum of the calculated speed values is greater than a preset speed threshold, or the sum of the calculated speed values and the currently recorded speed limit value are both less than the preset speed threshold;
and the notification module 34 is configured to notify all APs accessed by the wireless terminals needing speed limiting to delete the speed limiting values configured on the radio frequency units, configure the adjusted speed limiting values as the speed limiting values of the wireless terminals needing speed limiting to the corresponding radio frequency units, and limit the speed of the wireless terminals needing speed limiting by the corresponding radio frequency units by using the adjusted speed limiting values.
Preferably, the determining module 31 is specifically configured to:
judging whether the MAC address included in the access information of each wireless terminal is in a preset speed-limiting terminal list or not aiming at each wireless terminal;
And if so, determining the wireless terminal as the wireless terminal needing speed limitation.
Preferably, the adjusting module 33 is specifically configured to:
when the sum of the calculated speed values is greater than a preset speed threshold value, changing the speed limit value into the highest actual transmission speed value in the actual transmission speed values of all the current wireless terminals needing speed limit, and carrying out down-regulation on the changed speed limit value according to a preset down-regulation proportion;
modifying the actual sending speed values of all the current wireless terminals needing speed limiting, which are higher than the speed limiting value after down regulation, into the speed limiting value after down regulation;
recalculating the actual sending rate values of all the current wireless terminals needing speed limiting, taking the speed limiting value after down regulation as the speed limiting value when the sum of the recalculated rate values is greater than the preset rate threshold, and returning to the step of changing the speed limiting value into the highest actual sending rate value in the actual sending rate values of all the current wireless terminals needing speed limiting until the sum of the recalculated rate values is not greater than the preset rate threshold;
And when the calculated speed sum and the currently recorded speed limit value are both smaller than the preset speed threshold value, the speed limit value is adjusted up according to a preset up-adjustment proportion, wherein the up-adjusted speed limit value is not larger than the preset speed threshold value.
Preferably, the notification module 34 is further configured to:
when the calculated rate sum is smaller than the preset rate threshold and the speed limit value is equal to the preset rate threshold, if roaming wireless terminals exist in all the wireless terminals needing speed limit at present, informing the AP before roaming of the roaming wireless terminal to delete the speed limit value of the roaming wireless terminal; and sending the speed limit value to the AP after roaming of the roaming wireless terminal, so that the AP after roaming of the roaming wireless terminal configures the speed limit value into the speed limit value of the roaming wireless terminal, and using the speed limit value to limit the speed of the roaming wireless terminal.
Preferably, the determining module 31 is further configured to:
judging whether the access information of the wireless terminal is recorded locally or not aiming at each determined wireless terminal needing speed limiting;
if so, updating the recorded access information of the wireless terminal into the received access information of the wireless terminal, and refreshing a corresponding aging timer;
If not, recording the access information of the wireless terminal, and setting an aging timer for the access information of the wireless terminal;
and when the aging timer is overtime, deleting the currently recorded access information of the wireless terminal, informing an AP (access point) accessed by the wireless terminal to delete the current speed limit value of the wireless terminal, and returning to the step of calculating the sum of actual sending speed values included in the access information of all the wireless terminals needing speed limit currently in the wireless network.
According to the technical scheme, the AC can distinguish the wireless terminals needing speed limitation according to the access information of the wireless terminals reported by the AP, specially decide how to adjust the speed limitation values of the wireless terminals according to the corresponding actual sending speed aiming at all the wireless terminals needing speed limitation, and send the adjusted speed limitation values to the corresponding AP so as to realize the speed limitation of the wireless terminals. The speed limiting mode can reasonably balance bandwidth resources, reduce the waste of the bandwidth resources, does not influence a common wireless terminal, and improves the user experience.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (10)
1. A method for limiting speed, the method being applied to an access controller, AC, in a wireless network, the method comprising:
determining a wireless terminal needing speed limitation according to the access information of the wireless terminal reported by at least one Access Point (AP) in the wireless network;
calculating the sum of actual sending rate values included in the access information of all current wireless terminals needing speed limiting in the wireless network;
if the sum of the calculated speed values is larger than a preset speed threshold value, or the calculated speed sum and the currently recorded speed limit value are both smaller than the preset speed threshold value, adjusting the speed limit value according to a preset adjustment strategy;
informing all APs accessed by the wireless terminals needing speed limiting to delete the speed limiting values configured on the radio frequency units, configuring the adjusted speed limiting values as the speed limiting values of the wireless terminals needing speed limiting to the corresponding radio frequency units, and using the adjusted speed limiting values by the corresponding radio frequency units to limit the speed of the wireless terminals needing speed limiting.
2. The method according to claim 1, wherein determining the wireless terminal that needs to limit the speed according to the access information of the wireless terminal reported by at least one AP in the wireless network specifically comprises:
Judging whether the MAC address included in the access information of each wireless terminal is in a preset speed-limiting terminal list or not aiming at each wireless terminal;
and if so, determining the wireless terminal as the wireless terminal needing speed limitation.
3. The method according to claim 1 or 2, wherein the adjusting the speed limit value according to a preset adjusting strategy specifically comprises:
when the sum of the calculated speed values is greater than a preset speed threshold value, changing the speed limit value into the highest actual transmission speed value in the actual transmission speed values of all the current wireless terminals needing speed limit, and carrying out down-regulation on the changed speed limit value according to a preset down-regulation proportion;
modifying the actual sending speed values of all the current wireless terminals needing speed limiting, which are higher than the speed limiting value after down regulation, into the speed limiting value after down regulation;
recalculating the actual sending rate values of all the current wireless terminals needing speed limiting, taking the speed limiting value after down regulation as the speed limiting value when the sum of the recalculated rate values is greater than the preset rate threshold, and returning to the step of changing the speed limiting value into the highest actual sending rate value in the actual sending rate values of all the current wireless terminals needing speed limiting until the sum of the recalculated rate values is not greater than the preset rate threshold;
And when the calculated speed sum and the currently recorded speed limit value are both smaller than the preset speed threshold value, the speed limit value is adjusted up according to a preset up-adjustment proportion, wherein the up-adjusted speed limit value is not larger than the preset speed threshold value.
4. The method according to claim 1 or 2, characterized in that the method further comprises:
when the calculated rate sum is smaller than the preset rate threshold and the speed limit value is equal to the preset rate threshold, if roaming wireless terminals exist in all the wireless terminals needing speed limit at present, informing the AP before roaming of the roaming wireless terminal to delete the speed limit value of the roaming wireless terminal;
and sending the speed limit value to the AP after roaming of the roaming wireless terminal, so that the AP after roaming of the roaming wireless terminal configures the speed limit value into the speed limit value of the roaming wireless terminal, and using the speed limit value to limit the speed of the roaming wireless terminal.
5. The method of claim 1, further comprising:
judging whether the access information of the wireless terminal is recorded locally or not aiming at each determined wireless terminal needing speed limiting;
If so, updating the recorded access information of the wireless terminal into the received access information of the wireless terminal, and refreshing a corresponding aging timer;
if not, recording the access information of the wireless terminal, and setting an aging timer for the access information of the wireless terminal;
and when the aging timer is overtime, deleting the currently recorded access information of the wireless terminal, informing an AP (access point) accessed by the wireless terminal to delete the current speed limit value of the wireless terminal, and returning to the step of calculating the sum of actual sending speed values included in the access information of all the wireless terminals needing speed limit currently in the wireless network.
6. A speed limiting device is applied to an Access Controller (AC) in a wireless network, and comprises the following components:
the determining module is used for determining the wireless terminal needing speed limitation according to the access information of the wireless terminal reported by at least one Access Point (AP) in the wireless network;
the calculation module is used for calculating the sum of actual sending rate values included in the access information of all the wireless terminals needing speed limiting currently in the wireless network;
the adjusting module is used for adjusting the speed limit value according to a preset adjusting strategy if the sum of the calculated speed values is greater than a preset speed threshold value or the sum of the calculated speed values and the currently recorded speed limit value are both less than the preset speed threshold value;
And the notification module is used for notifying all APs accessed by the wireless terminals needing speed limiting to delete the speed limiting values configured on the radio frequency units, configuring the adjusted speed limiting values as the speed limiting values of the wireless terminals needing speed limiting to the corresponding radio frequency units, and limiting the speed of the wireless terminals needing speed limiting by using the adjusted speed limiting values through the corresponding radio frequency units.
7. The apparatus of claim 6, wherein the determining module is specifically configured to:
judging whether the MAC address included in the access information of each wireless terminal is in a preset speed-limiting terminal list or not aiming at each wireless terminal;
and if so, determining the wireless terminal as the wireless terminal needing speed limitation.
8. The apparatus according to claim 6 or 7, wherein the adjusting module is specifically configured to:
when the sum of the calculated speed values is greater than a preset speed threshold value, changing the speed limit value into the highest actual transmission speed value in the actual transmission speed values of all the current wireless terminals needing speed limit, and carrying out down-regulation on the changed speed limit value according to a preset down-regulation proportion;
Modifying the actual sending speed values of all the current wireless terminals needing speed limiting, which are higher than the speed limiting value after down regulation, into the speed limiting value after down regulation;
recalculating the actual sending rate values of all the current wireless terminals needing speed limiting, taking the speed limiting value after down regulation as the speed limiting value when the sum of the recalculated rate values is greater than the preset rate threshold, and returning to the step of changing the speed limiting value into the highest actual sending rate value in the actual sending rate values of all the current wireless terminals needing speed limiting until the sum of the recalculated rate values is not greater than the preset rate threshold;
and when the calculated speed sum and the currently recorded speed limit value are both smaller than the preset speed threshold value, the speed limit value is adjusted up according to a preset up-adjustment proportion, wherein the adjusted speed limit value is smaller than the preset speed threshold value.
9. The apparatus of claim 6 or 7, wherein the notification module is further configured to:
when the calculated sum of the rates is smaller than the preset rate threshold and the speed limit value is equal to the preset rate threshold, if roaming wireless terminals exist in all the wireless terminals needing speed limit, the AP before roaming of the roaming wireless terminals is informed to delete the speed limit value of the roaming wireless terminals, the speed limit value is sent to the AP, so that the AP after roaming of the roaming wireless terminals is enabled, the AP after roaming of the roaming wireless terminals enables the speed limit value to be configured as the speed limit value of the roaming wireless terminals, and the speed limit value is used for limiting the speed of the roaming wireless terminals.
10. The apparatus of claim 6, wherein the determining module is further configured to:
judging whether the access information of the wireless terminal is recorded locally or not aiming at each determined wireless terminal needing speed limiting;
if so, updating the recorded access information of the wireless terminal into the received access information of the wireless terminal, and refreshing a corresponding aging timer;
if not, recording the access information of the wireless terminal, and setting an aging timer for the access information of the wireless terminal;
and when the aging timer is overtime, deleting the currently recorded access information of the wireless terminal, informing an AP (access point) accessed by the wireless terminal to delete the current speed limit value of the wireless terminal, and returning to the step of calculating the sum of actual sending speed values included in the access information of all the wireless terminals needing speed limit currently in the wireless network.
Priority Applications (1)
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| CN202010528019.9A CN111866958A (en) | 2020-06-10 | 2020-06-10 | Speed limiting method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114189298A (en) * | 2021-10-22 | 2022-03-15 | 新华三大数据技术有限公司 | Wireless network system and method for counting average time delay |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114189298A (en) * | 2021-10-22 | 2022-03-15 | 新华三大数据技术有限公司 | Wireless network system and method for counting average time delay |
| CN114189298B (en) * | 2021-10-22 | 2024-02-09 | 新华三大数据技术有限公司 | Wireless network system and method for counting average time delay thereof |
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