CN105517047A - Base station traffic shaping method and system - Google Patents
Base station traffic shaping method and system Download PDFInfo
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- CN105517047A CN105517047A CN201510846935.6A CN201510846935A CN105517047A CN 105517047 A CN105517047 A CN 105517047A CN 201510846935 A CN201510846935 A CN 201510846935A CN 105517047 A CN105517047 A CN 105517047A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/22—Traffic shaping
- H04L47/225—Determination of shaping rate, e.g. using a moving window
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/14—Flow control between communication endpoints using intermediate storage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0242—Determining whether packet losses are due to overload or to deterioration of radio communication conditions
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a base station traffic shaping method and system. The method comprises following steps: calculating a first quantity threshold value of the uploading data packets sent by a base station in every operation cycle according to the uplink transmission rate and the uploading data packet length from a UE to the base station and the operation cycle of the base station; calculating a second quantity threshold value of the downloading answering data packets sent by the base station in every operation cycle according to the downlink transmission rate, the downloading data packet length and the answering frequency from the base station to the UE and the operation cycle of the base station; respectively storing the received uploading data packets and downloading answering data packets in a first cache and a second cache; in the operation cycle, if the quantity of the uploading data packets in the first cache is more than the first quantity threshold value, carrying out traffic shaping to the sending rate of the uploading data packets according to the first quantity threshold value, if the quantity of the downloading answering data packets in the second cache is more than the second quantity threshold value, carrying out traffic shaping to the sending rate of the uploading answering data packets according to the second quantity threshold value.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of base station flow shaping method and system.
Background technology
LTE (LongTermEvolution, Long Term Evolution) system is as one of the standard technique of forth generation mobile communication, and its message transmission rate is up reaches 50Mbit/s, descendingly reaches 100Mbit/s, so high speed brings very fast network to user, substantially increases Consumer's Experience.But meanwhile, also bring great transmission pressure to network equipments such as switches, when there is network congestion, switch, router big city take the packet loss strategy based on link, namely to the even packet loss of IP link data exceeding certain limit.Packet loss is fatal to agreements such as the TCP of transmitting, and its window can be caused to draw in rapidly, and transmission rate is had a strong impact on, and reduces Consumer's Experience effect.The reason of Network Packet Loss is that network capacity is not mated with air interface transmission ability, and the data of eating dishes without rice or wine of burst exceed the bearing capacity of the network equipment, and packet loss, rate reduction are unavoidable.So traffic shaping must be carried out according to this principle in side of eating dishes without rice or wine, steadily send out data, avoid packet loss.
Traffic shaping is the important means that raising data transmission efficiency and quality, minimizing are even avoided packet loss, optimized service transmission performance, promote user awareness; Traffic shaping to a certain degree determines systematic function.Current, the method for traffic shaping mainly contains:
(1) time-based shaping, at interval of sending out a secondary data.Desired Min Tx Interval, standard transmission interval is calculated by user by the minimum guarantee bandwidth sum maximum transmission bandwidth of user's setting.Send a secondary data at regular intervals, all the other times do not send this user data.User data sends in turn and embodies the fairness doctrine, effectively can distribute, utilizes resource when machine processing is limited in one's ability.
(2) based on the shaping of business, by transport layer type of service setting priority in packet.According to data traffic attributes by priority different for Data Placement, different transmission threshold values is set, effectively can ensures the prioritised transmission of high-priority service data, effectively can improve the efficiency of useful data transmission.
(3) based on the shaping of user, the flow of certain business in limited subscriber and user.User data is classified, and every class data obtain a token, and distribute token number according to certain mechanism, what obtain token just can send data.This kind of Training system can effectively be avoided causing other users or customer service cannot obtain situation about transmitting because the single type of service under certain user or user takies too much bandwidth.
Said method can obtain certain effect under some scenes, but when in network, certain network element generation data congestion exceeds its disposal ability, still Selective drop can be carried out, major part network element strategy be by packet loss of link (as by port numbers to distinguish different link), namely packet loss process is carried out to the link exceeding certain data volume, therefore easily cause network element excess load and then packet loss when base station sends too much bursty data.
Summary of the invention
Based on this, be necessary the problem easily causing network element excess load and then packet loss when sending too much bursty data for base station, a kind of base station flow shaping method and system are provided.
The embodiment of the present invention provides a kind of base station flow shaping method, comprises the following steps:
According to the cycle of operation of UE to the uplink transmission rate of base station, uploading data packet length and base station, calculation base station sends the first amount threshold of uploading data bag within each cycle of operation;
According to the cycle of operation of base station to the downlink transmission rate of UE, downloading data packet length, answer frequency and base station, calculation base station sends the second amount threshold downloading reply data bag within each cycle of operation;
The uploading data bag received from UE and download reply data bag are stored in the first buffer memory and the second buffer memory respectively;
Within the described cycle of operation, when in the first buffer memory, the quantity of uploading data bag is greater than the first amount threshold, according to the first amount threshold, traffic shaping is carried out to the transmission rate of uploading data bag, when the quantity downloading reply data bag in the second buffer memory is greater than the second amount threshold, according to the second amount threshold, traffic shaping is carried out to the transmission rate downloading reply data bag.
The embodiment of the present invention also provides a kind of base station traffic shaping system, comprising:
First computing module, for according to the cycle of operation of UE to the uplink transmission rate of base station, uploading data packet length and base station, calculation base station sends the first amount threshold of uploading data bag within each cycle of operation;
Second computing module, for according to the cycle of operation of base station to the downlink transmission rate of UE, downloading data packet length, answer frequency and base station, calculation base station sends the second amount threshold downloading reply data bag within each cycle of operation;
Cache module, for being stored in the first buffer memory and the second buffer memory respectively by the uploading data received from UE bag and download reply data bag;
Traffic shaping module, for within the described cycle of operation, when in the first buffer memory, the quantity of uploading data bag is greater than the first amount threshold, according to the first amount threshold, traffic shaping is carried out to the transmission rate of uploading data bag, when the quantity downloading reply data bag in the second buffer memory is greater than the second amount threshold, according to the second amount threshold, traffic shaping is carried out to the transmission rate downloading reply data bag.
Above-mentioned base station flow shaping method and system, within each cycle of operation, the first amount threshold of uploading data bag is sent and base station sends the second amount threshold downloading reply data bag within each cycle of operation by calculation base station, described first amount threshold and the transmission rate of the second amount threshold to uploading data bag and download reply data bag is adopted to carry out traffic shaping respectively, can solve and cause network element excess load and then packet loss because base station sends too much bursty data, thus cause downloading and uploading rate reduction problem; Consider simultaneously and different traffic shaping strategies is taked to different business, ensure two-forty when simultaneously doing upload and download business.
Accompanying drawing explanation
Fig. 1 is the base station flow shaping method flow chart of an embodiment;
Fig. 2 is the structural representation of the base station traffic shaping system of an embodiment.
Embodiment
Be described below in conjunction with the embodiment of accompanying drawing to base station of the present invention flow shaping method.
Fig. 1 is the base station flow shaping method flow chart of an embodiment.As shown in Figure 1, described base station flow shaping method can comprise the following steps:
S1, according to the cycle of operation of UE to the uplink transmission rate of base station, uploading data packet length and base station, calculation base station sends the first amount threshold of uploading data bag within each cycle of operation;
Described base station can be the base station of the standards such as GSM, WCDMA, CDMA2000, TD-SCDMA, WIFI and LTE.
In this step, first average base station per second first byte number that need send can be calculated according to UE to the uplink transmission rate of base station.Then, base station in average each cycle of operation can be calculated according to the cycle of operation of base station and described first byte number and need the second byte number of transmission.Finally, can calculate base station in each cycle of operation according to described second byte number and uploading data packet length needs the quantity of the uploading data bag sent, and obtains the first amount threshold.
For uplink transmission rate 10Mbit/s, for supporting this uplink transmission rate, the first byte number that average base station per second need send is: N1=(10*1000*1000)/8, for the base station cycle of operation for 1ms, base station of each cycle of operation needs the second byte number N2=N1/1000 sent, suppose that the length of uploading data bag is about 1300 bytes, so base station needs the quantity of the uploading data bag sent in each cycle of operation, i.e. the first amount threshold T1=N2/1300.
S2, according to the cycle of operation of base station to the downlink transmission rate of UE, downloading data packet length, answer frequency and base station, calculation base station sends the second amount threshold downloading reply data bag within each cycle of operation;
In this step, can first according to base station to UE downlink transmission rate calculate average base station per second need to UE send the 3rd byte number.The nybble number that base station in average each cycle of operation needs to send to UE is calculated again according to cycle of operation of base station and described 3rd byte number.Then, base station in each cycle of operation can be calculated according to described nybble number and downloading data packet length and need the quantity of the downloading data bag sent to UE.Finally, can calculate base station in each cycle of operation according to the quantity of described downloading data bag and described answer frequency needs the quantity of the download reply data bag sent, and obtains the second amount threshold.
For downlink transmission rate 100Mbit/s, for supporting this speed, the 3rd byte number that average base station per second need send to UE is: N3=(100*1000*1000)/8, for the base station cycle of operation for 1ms, base station of each cycle of operation needs the nybble number N4=N3/1000 sent to UE, suppose that the length of downloading data bag is about 1300 bytes, so base station needs the quantity N5=N4/1300 of the downloading data bag sent to UE in each cycle of operation, return a response packet by TCP layer 2 packet to calculate, then in each cycle of operation, base station needs the quantity of the download reply data bag sent, i.e. the second amount threshold T2=N5/2.
S3, is stored in the first buffer memory and the second buffer memory by the uploading data bag received from UE and download reply data bag respectively;
In this step, can first the uploading data bag received from each UE and download reply data bag be stored in the 3rd buffer memory corresponding to each UE respectively.Then, traffic shaping can be carried out to the uploading data bag in described 3rd buffer memory and download reply data bag.Finally, the uploading data bag after traffic shaping and download reply data bag can be stored in the first buffer memory and the second buffer memory respectively.
Packet in 3rd buffer memory comprises uploading data bag and downloads reply data bag.Complete the transmission of eating dishes without rice or wine after the physical layer of this two class through base station, MAC layer, rlc layer, PDCP layer and the process of GTP layer, send again after first putting into buffer queue traffic shaping before being sent to network.Each empty port load-supporting under each user and user has a buffer queue to be used for storing above-mentioned data.
S4, within the described cycle of operation, when in the first buffer memory, the quantity of uploading data bag is greater than the first amount threshold, according to the first amount threshold, traffic shaping is carried out to the transmission rate of uploading data bag, when the quantity downloading reply data bag in the second buffer memory is greater than the second amount threshold, according to the second amount threshold, traffic shaping is carried out to the transmission rate downloading reply data bag;
In this step, the sending threshold value of two class data that can calculate according to step S1 and the packet classification of step S3, from the first buffer memory and the second buffer memory, data fetch packet sends respectively, when in the buffer memory of correspondence, the quantity of packet exceedes the threshold value of this type of packet, illustrating uply has bursty data, all be sent to network if disposable and probably cause packet loss, therefore need to carry out Shape correction, this cycle of operation sends packet by the threshold value of setting, and remaining data continue to put into buffer queue and treat that the lower cycle sends; When the quantity of packet is less than the threshold value of this type of packet in the buffer memory of correspondence, illustrate now there is no bursty data, do not need to do Shape correction, send data by actual bag number.
If the quantity of the uploading data bag in the first buffer memory is less than or equal to the first amount threshold, within the described cycle of operation, the uploading data bag in the first buffer memory is sent, if the quantity of the download reply data bag in the second buffer memory is less than or equal to the second amount threshold, within the described cycle of operation, the download reply data bag in the second buffer memory is sent.
Described base station flow shaping method has the following advantages:
(1) network element packet drop mechanism in the characteristic of base-station transmission data and network has been taken into full account, data in each empty port load-supporting under user in base station and user are divided into upload and download two class, take different shaping mechanisms, the shaping and the speed that well solve data traffic during voice and packet data concurrent service promote.
(2) require to send data with fixed threshold according to base station rate, both can ensure that stationarity that data send in turn simplify algorithm and decreases expense.
(3) be uploading data bag and download reply data bag by packet classification, the real-time of base station process is high, and fully can carry out traffic shaping, reduces packet loss, uploads effect when downloading voice and packet data concurrent service at the same time more obvious.
Be described below in conjunction with the embodiment of accompanying drawing to base station of the present invention traffic shaping system.
Fig. 2 is the structural representation of the base station traffic shaping system of an embodiment.
As shown in Figure 2, described base station traffic shaping system can comprise:
First computing module 10, for according to the cycle of operation of UE to the uplink transmission rate of base station, uploading data packet length and base station, calculation base station sends the first amount threshold of uploading data bag within each cycle of operation;
First the first computing unit in described first computing module 10 can calculate average base station per second first byte number that need send according to UE to the uplink transmission rate of base station.Then, the second computing unit in described first computing module 10 can calculate base station in average each cycle of operation according to the cycle of operation of base station and described first byte number needs the second byte number of transmission.Finally, the 3rd computing unit in described first computing module 10 can calculate base station in each cycle of operation according to described second byte number and uploading data packet length needs the quantity of the uploading data bag sent, and obtains the first amount threshold.
For uplink transmission rate 10Mbit/s, for supporting this uplink transmission rate, the first byte number that average base station per second need send is: N1=(10*1000*1000)/8, for the base station cycle of operation for 1ms, base station of each cycle of operation needs the second byte number N2=N1/1000 sent, suppose that the length of uploading data bag is about 1300 bytes, so base station needs the quantity of the uploading data bag sent in each cycle of operation, i.e. the first amount threshold T1=N2/1300.
Second computing module 20, for according to the cycle of operation of base station to the downlink transmission rate of UE, downloading data packet length, answer frequency and base station, calculation base station sends the second amount threshold downloading reply data bag within each cycle of operation;
The 4th computing unit in described second computing module 20 can first according to base station to UE downlink transmission rate calculate average base station per second need to UE send the 3rd byte number.The 5th computing unit in described second computing module 20 calculates according to cycle of operation of base station and described 3rd byte number the nybble number that base station in average each cycle of operation needs to send to UE again.Then, the 6th computing unit in described second computing module 20 can calculate base station in each cycle of operation according to described nybble number and downloading data packet length needs the quantity of the downloading data bag sent to UE.Finally, the 7th computing unit in described second computing module 20 can calculate base station in each cycle of operation according to the quantity of described downloading data bag and described answer frequency needs the quantity of the download reply data bag sent, and obtains the second amount threshold.
For downlink transmission rate 100Mbit/s, for supporting this speed, the 3rd byte number that average base station per second need send to UE is: N3=(100*1000*1000)/8, for the base station cycle of operation for 1ms, base station of each cycle of operation needs the nybble number N4=N3/1000 sent to UE, suppose that the length of downloading data bag is about 1300 bytes, so base station needs the quantity N5=N4/1300 of the downloading data bag sent to UE in each cycle of operation, return a response packet by TCP layer 2 packet to calculate, then in each cycle of operation, base station needs the quantity of the download reply data bag sent, i.e. the second amount threshold T2=N5/2.
Cache module 30, for being stored in the first buffer memory and the second buffer memory respectively by the uploading data received from UE bag and download reply data bag;
First the uploading data bag received from each UE and download reply data bag can be stored in the 3rd buffer memory corresponding to each UE by the first buffer unit in described cache module 30 respectively.Then, the Traffic shaping unit in described cache module 30 can carry out traffic shaping to the uploading data bag in described 3rd buffer memory and download reply data bag.Finally, the uploading data bag after traffic shaping and download reply data bag can be stored in the first buffer memory and the second buffer memory by the second buffer unit in described cache module 30 respectively.
Packet in 3rd buffer memory comprises uploading data bag and downloads reply data bag.Complete the transmission of eating dishes without rice or wine after the physical layer of this two class through base station, MAC layer, rlc layer, PDCP layer and the process of GTP layer, send again after first putting into buffer queue traffic shaping before being sent to network.Each empty port load-supporting under each user and user has a buffer queue to be used for storing above-mentioned data.
Traffic shaping module 40, for within the described cycle of operation, when in the first buffer memory, the quantity of uploading data bag is greater than the first amount threshold, according to the first amount threshold, traffic shaping is carried out to the transmission rate of uploading data bag, when the quantity downloading reply data bag in the second buffer memory is greater than the second amount threshold, according to the second amount threshold, traffic shaping is carried out to the transmission rate downloading reply data bag;
The sending threshold value of two class data that traffic shaping module 40 can calculate according to the first computing module 10 and the packet classification of cache module 30, from the first buffer memory and the second buffer memory, data fetch packet sends respectively, when in the buffer memory of correspondence, the quantity of packet exceedes the threshold value of this type of packet, illustrating uply has bursty data, all be sent to network if disposable and probably cause packet loss, therefore traffic shaping module 40 is needed to carry out Shape correction, this cycle of operation sends packet by the threshold value of setting, and remaining data continue to put into buffer queue and treat that the lower cycle sends; When the quantity of packet is less than the threshold value of this type of packet in the buffer memory of correspondence, illustrate now do not have bursty data, traffic shaping module 40 does not need to do Shape correction, sends data by actual bag number.
Described base station traffic shaping system also can comprise the first sending module and the second sending module.If the quantity of the uploading data bag in the first buffer memory is less than or equal to the first amount threshold, uploading data bag in first buffer memory sends by the first sending module within the described cycle of operation, if the quantity of the download reply data bag in the second buffer memory is less than or equal to the second amount threshold, the download reply data bag in the second buffer memory sends by the second sending module within the described cycle of operation.
Described base station traffic shaping system has the following advantages:
(1) network element packet drop mechanism in the characteristic of base-station transmission data and network has been taken into full account, data in each empty port load-supporting under user in base station and user are divided into upload and download two class, take different shaping mechanisms, the shaping and the speed that well solve data traffic during voice and packet data concurrent service promote.
(2) require to send data with fixed threshold according to base station rate, both can ensure that stationarity that data send in turn simplify algorithm and decreases expense.
(3) be uploading data bag and download reply data bag by packet classification, the real-time of base station process is high, and fully can carry out traffic shaping, reduces packet loss, uploads effect when downloading voice and packet data concurrent service at the same time more obvious.
Base station of the present invention traffic shaping system and base station of the present invention flow shaping method one_to_one corresponding, the technical characteristic of setting forth in the embodiment of above-mentioned base station flow shaping method and beneficial effect thereof are all applicable to, in the embodiment of base station traffic shaping system, hereby state.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a base station flow shaping method, is characterized in that, comprises the following steps:
According to the cycle of operation of UE to the uplink transmission rate of base station, uploading data packet length and base station, calculation base station sends the first amount threshold of uploading data bag within each cycle of operation;
According to the cycle of operation of base station to the downlink transmission rate of UE, downloading data packet length, answer frequency and base station, calculation base station sends the second amount threshold downloading reply data bag within each cycle of operation;
The uploading data bag received from UE and download reply data bag are stored in the first buffer memory and the second buffer memory respectively;
Within the described cycle of operation, when in the first buffer memory, the quantity of uploading data bag is greater than the first amount threshold, according to the first amount threshold, traffic shaping is carried out to the transmission rate of uploading data bag, when the quantity downloading reply data bag in the second buffer memory is greater than the second amount threshold, according to the second amount threshold, traffic shaping is carried out to the transmission rate downloading reply data bag.
2. base station according to claim 1 flow shaping method, it is characterized in that, according to the cycle of operation of UE to the uplink transmission rate of base station, uploading data packet length and base station, the step that calculation base station sends the first amount threshold of uploading data bag within each cycle of operation comprises:
Average base station per second first byte number that need send is calculated to the uplink transmission rate of base station according to UE;
The second byte number that base station in average each cycle of operation needs to send is calculated according to cycle of operation of base station and described first byte number;
Calculate base station in each cycle of operation according to described second byte number and uploading data packet length and need the quantity of the uploading data bag sent, obtain the first amount threshold.
3. base station according to claim 1 flow shaping method, it is characterized in that, according to the cycle of operation of base station to the downlink transmission rate of UE, downloading data packet length, answer frequency and base station, the step that calculation base station sends the second amount threshold downloading reply data bag within each cycle of operation comprises:
Need to the 3rd byte number of UE transmission to the average base station per second of downlink transmission rate calculating of UE according to base station;
The nybble number that base station in average each cycle of operation needs to send to UE is calculated according to cycle of operation of base station and described 3rd byte number;
Calculate base station in each cycle of operation according to described nybble number and downloading data packet length and need the quantity of the downloading data bag sent to UE;
Calculate base station in each cycle of operation according to the quantity of described downloading data bag and described answer frequency and need the quantity of the download reply data bag sent, obtain the second amount threshold.
4. base station according to claim 1 flow shaping method, is characterized in that, further comprising the steps of:
If the quantity of the uploading data bag in the first buffer memory is less than or equal to the first amount threshold, within the described cycle of operation, the uploading data bag in the first buffer memory is sent.
5. base station according to claim 1 flow shaping method, is characterized in that, further comprising the steps of:
If the quantity of the download reply data bag in the second buffer memory is less than or equal to the second amount threshold, within the described cycle of operation, the download reply data bag in the second buffer memory is sent.
6. base station according to claim 1 flow shaping method, is characterized in that, the step that the uploading data bag received and download reply data bag are stored in the first buffer memory and the second buffer memory is respectively comprised from UE:
The uploading data bag received from each UE and download reply data bag are stored in the 3rd buffer memory corresponding to each UE respectively;
Traffic shaping is carried out to the uploading data bag in described 3rd buffer memory and download reply data bag;
Uploading data bag after traffic shaping and download reply data bag are stored in the first buffer memory and the second buffer memory respectively.
7. a base station traffic shaping system, is characterized in that, comprising:
First computing module, for according to the cycle of operation of UE to the uplink transmission rate of base station, uploading data packet length and base station, calculation base station sends the first amount threshold of uploading data bag within each cycle of operation;
Second computing module, for according to the cycle of operation of base station to the downlink transmission rate of UE, downloading data packet length, answer frequency and base station, calculation base station sends the second amount threshold downloading reply data bag within each cycle of operation;
Cache module, for being stored in the first buffer memory and the second buffer memory respectively by the uploading data received from UE bag and download reply data bag;
Traffic shaping module, for within the described cycle of operation, when in the first buffer memory, the quantity of uploading data bag is greater than the first amount threshold, according to the first amount threshold, traffic shaping is carried out to the transmission rate of uploading data bag, when the quantity downloading reply data bag in the second buffer memory is greater than the second amount threshold, according to the second amount threshold, traffic shaping is carried out to the transmission rate downloading reply data bag.
8. base station according to claim 7 traffic shaping system, is characterized in that, described first computing module comprises:
First computing unit, for calculating average base station per second first byte number that need send according to UE to the uplink transmission rate of base station;
Second computing unit, for calculating the second byte number that base station in average each cycle of operation needs to send according to cycle of operation of base station and described first byte number;
3rd computing unit, needing the quantity of the uploading data bag sent for calculating base station in each cycle of operation according to described second byte number and uploading data packet length, obtaining the first amount threshold.
9. base station according to claim 7 traffic shaping system, is characterized in that, described second computing module comprises:
4th computing unit, for according to base station to UE downlink transmission rate calculate average base station per second need to UE send the 3rd byte number;
5th computing unit, for calculating the nybble number that base station in average each cycle of operation needs to send to UE according to cycle of operation of base station and described 3rd byte number;
6th computing unit, needs the quantity of the downloading data bag sent to UE for calculating base station in each cycle of operation according to described nybble number and downloading data packet length;
7th computing unit, needing the quantity of the download reply data bag sent for calculating base station in each cycle of operation according to the quantity of described downloading data bag and described answer frequency, obtaining the second amount threshold.
10. base station according to claim 7 traffic shaping system, is characterized in that, described cache module comprises:
First buffer unit, for being stored in the 3rd buffer memory corresponding to each UE respectively by the uploading data received from each UE bag and download reply data bag;
Traffic shaping unit, for carrying out traffic shaping to the uploading data bag in described 3rd buffer memory and download reply data bag;
Second buffer unit, for being stored into the uploading data bag after traffic shaping and download reply data bag respectively in the first buffer memory and the second buffer memory.
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| CN106789700A (en) * | 2016-12-23 | 2017-05-31 | 京信通信技术(广州)有限公司 | A kind of flow shaping method and the network equipment |
| CN108632270A (en) * | 2018-05-03 | 2018-10-09 | 河海大学常州校区 | Anti- low rate TCP DoS attack methods based on software defined network |
| WO2018192560A1 (en) * | 2017-04-20 | 2018-10-25 | 华为技术有限公司 | Data transmission method and apparatus |
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