CN102264109A - Method of distributing bandwidth for service and for terminal service execution, and equipment thereof - Google Patents
Method of distributing bandwidth for service and for terminal service execution, and equipment thereof Download PDFInfo
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- CN102264109A CN102264109A CN2010101933756A CN201010193375A CN102264109A CN 102264109 A CN102264109 A CN 102264109A CN 2010101933756 A CN2010101933756 A CN 2010101933756A CN 201010193375 A CN201010193375 A CN 201010193375A CN 102264109 A CN102264109 A CN 102264109A
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Abstract
The invention discloses a method of distributing bandwidth for a service and for terminal service execution, and equipment thereof. The method is characterized by distributing bandwidth respectively for services which belong to a same access point name (APN) according to transmission flow information acquired by sampling a data flow of the service, a maximum delay duration and a bandwidth distribution model of establishing mobile data service. Therefore, when the terminal needs to execute an access operation for a service, the bandwidth which is distributed to the terminal is selected from the bandwidth which is distributed to the service so that the terminal can execute a service flow through the bandwidth distributed to the terminal itself. By using the invention, wastes of network bandwidth resources can be reduced, distribution of the network resources according to one's need can be realized and reasonable utilization of the network resources can be raised.
Description
Technical field
The present invention relates to wireless communication field, particularly a kind of is the method and apparatus of traffic assignments bandwidth, and is the method and apparatus of the business execution distribution bandwidth of terminal.
Background technology
GPRS (General Packet Radio Service, GPRS) be a kind of based on gsm (Global System for Mobile communications, GSM) mobile pocket data business, a new network has superposeed on existing GSM network foundation, by in new network, increasing Gateway GPRS Support Node (Gateway GPRS Supporting Node, GGSN) and Serving GPRS Support Node (Serving GPRS Supporting Node SGSN) provides mobile Packet Service for terminal.
In GPRS network, service quality (Quality of Service according to business, QoS) demand, the signatory value of QoS and Internet resources situation, at packet data protocol (Packet Data Protocol, PDP) determine professional QoS rank in the context activation process, SGSN is the traffic assignments bandwidth according to the QoS rank.
At same GPRS network connection server (Access Point Name, when containing multiple business type, the grade of service professional APN), if professional qos parameter can't determine, the qos parameter item then in the PDP request, can occur and not fill out, all fill out 0 or wrong situation of filling out.If the qos parameter item is not filled out or is all filled out 0, no matter then what the Ye Wu type of service and the grade of service be, this professional QoS rank all can be confirmed as highest level, SGSN will be this traffic assignments bandwidth according to highest level, make when this professional actual QoS requirement is low, also can preferentially take a large amount of Internet resources, cause waste of network resources.Fill out if mistake appears in the qos parameter item, when the qos parameter of filling in was higher than the QoS demand of professional reality, SGSN was the bandwidth that the bandwidth of traffic assignments is higher than professional actual needs, also can cause waste of network resources.
In sum, when being the traffic assignments Internet resources, can not realize distribution according to need, cause network resource usage unreasonable Internet resources according to the QoS rank of business.
Summary of the invention
It is the traffic assignments bandwidth that the embodiment of the invention provides a kind of, carry out the method and apparatus that distributes bandwidth for the business of terminal, can not distribute according to need to solve the Internet resources that exist in the prior art, causes the irrational problem of network resource usage.
A kind of is the method for traffic assignments bandwidth, and this method comprises:
Data flow to business is sampled, and obtains the delivery flow rate information of data flow;
Determine the maximum delay duration of described business;
According to described delivery flow rate information and maximum delay duration, be described traffic assignments bandwidth.
A kind of is the method for the business execution distribution bandwidth of terminal, and this method comprises:
The service identification that carries in the service request according to the terminal transmission is determined the business that terminal request is carried out;
From distributing to the bandwidth of described terminal for selection the bandwidth of definite described traffic assignments.
A kind of is the equipment of traffic assignments bandwidth, and this equipment comprises:
Sampling unit is used for the data flow of business is sampled, and obtains the delivery flow rate information of data flow;
The maximum delay determining unit is used for determining the maximum delay duration of described business;
The allocated bandwidth unit is used for according to described delivery flow rate information and maximum delay duration, is described traffic assignments bandwidth.
A kind of is the equipment of the business execution distribution bandwidth of terminal, and this equipment comprises:
The traffic identification unit is used for the service identification that carries according to the service request that terminal sends, determines the business that terminal request is carried out;
The allocated bandwidth unit is used for from select to distribute to the bandwidth of described terminal for the bandwidth of definite described traffic assignments.
Beneficial effect of the present invention is as follows:
The embodiment of the invention serves as to be the bandwidth that traffic assignments can be used according to coming with the delivery flow rate information of data flow and professional maximum delay duration, the transmission characteristic and the professional inherent characteristic of business data flow have been taken into full account, make the distribution of service bandwidth reasonable, reduce the waste of bandwidth resources, realize the distribution according to need of Internet resources, improve the reasonable utilance of Internet resources.
Description of drawings
Fig. 1 is that the embodiment of the invention one is the method flow schematic diagram of traffic assignments bandwidth;
Fig. 2 is that the embodiment of the invention two is carried out the method flow schematic diagram that distributes bandwidth for the business of terminal;
Fig. 3 is that the embodiment of the invention three is the device structure schematic diagram of traffic assignments bandwidth;
Fig. 4 is that the embodiment of the invention four is carried out the device structure schematic diagram that distributes bandwidth for the business of terminal.
Embodiment
For realizing the object of the invention, the embodiment of the invention provides a kind of scheme of carrying out the distribution bandwidth for the traffic assignments bandwidth, for the business of terminal, according to the data flow of business is sampled delivery flow rate information and maximum delay duration that obtains and the allocated bandwidth model of setting up mobile data services, for the business that belongs to same APN is distributed bandwidth respectively, so that when terminal need be carried out accessing operation at a certain business, from for selecting to distribute to the bandwidth of described terminal the bandwidth of this traffic assignments, make that terminal can be by carrying out operation flow for the bandwidth of self distributing.
The present invention is in the scheme of traffic assignments bandwidth, do not need to consider professional QoS rank, but serve as to be the bandwidth that traffic assignments can be used according to coming with the transmission characteristic of business data flow and professional inherent characteristic, reduce the waste of bandwidth, realize the distribution according to need of Internet resources, improve the reasonable utilance of Internet resources.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Embodiment one:
As shown in Figure 1, for being the method schematic diagram of traffic assignments bandwidth in the embodiment of the invention one, steps flow chart is as follows:
Step 101: the data flow to business is sampled, and obtains the delivery flow rate information of data flow according to the data flow sampled value.
The delivery flow rate information of described data flow has comprised the parameters that characterizes professional data traffic characteristic, includes but not limited to: the Mean Speed of data flow, the parameter (as the coefficient of variation of data levelling equal speed) relevant with the Mean Speed of data flow and the self similarity coefficient of representing the data flow self-similarity nature.
The self-similarity nature of data flow refers to: the changes in flow rate of data flow and this variation sudden.Because the change of sampling time interval can't traffic impacting self-similarity nature, therefore, all can embody identical suddenly under any sampling time interval, for example: the sampling interval is to be that the bursts of traffic characteristic that presented of 1 minute sampled point sequence is identical in 1 second sampled point sequence and sampling interval.
Because the flow difference of same business data flow in different time sections, therefore, the delivery flow rate information that obtains in different time sections may exist than big-difference, causes finally can not satisfying professional actual demand well for the bandwidth of traffic assignments.To this, the flow difference according to business data flow in the scheme of present embodiment one is provided with a plurality of sampling periods, corresponding at least one time period in each sampling period, and the duration in sampling period can be less than or equal to the duration of time corresponding section.The delivery flow rate information of the data flow that in each sampling period, obtains characterized should sampling period time corresponding section in professional data traffic characteristic.
For example: one day 24 hours are divided into 3 time periods, and the time period 1 is 0:00-09:00, and the time period 2 is 09:00-17:00, time period 3 is 17:00-24:00, and two sampling periods are set, wherein: the sampling period 1 is 0:00-00:10, corresponding time period 1 and time period 3; Sampling period 2 is 09:00-09:10, the corresponding time period 2.Then the data flow sampled value that sampling obtains in the sampling period 1 has characterized data traffic characteristic professional in time period 1 and time period 3.
The specific practice of this step is:
Determine sampling time interval and sampling number, and then the flow of described data flow is sampled according to sampling time interval and sampling number in the current sampling period.
Step 102: the maximum delay duration of determining described business.
The maximum delay duration be professional data flow enter in the multi-service queue queue the maximum duration that can tolerate.
In this step, can determine professional maximum delay duration by following dual mode at least:
First kind of mode: rule of thumb value is professional definite maximum delay duration.
Professional type of service has determined professional to ageing needs, therefore, can be the professional maximum delay duration of determining according to the ageing demand of business.Wherein: the maximum delay duration that the high business of effective demand is determined is less than the maximum delay duration to the low business of effective demand.
The second way: the processing delay when carrying out business in the PDP activation according to terminal, determine the maximum delay duration that this is professional.
Because in the process of actual treatment data flow, it is more close that PDP when professional maximum delay duration is carried out this business with terminal activates the request response delay, thus the value of professional maximum delay duration can but be not limited to activate and ask response delay with reference to PDP.For example: PDP is activated the maximum delay duration of request response delay as business, perhaps, in the time range that comprises PDP activation request response delay, select a duration as the maximum delay duration.
It should be noted that, also may there be bigger difference in professional maximum delay duration in the different time periods, in order to eliminate because the value difference of the maximum delay duration that the difference of period causes, can but be not limited to determine in the following ways maximum delay duration in the different time sections:
First kind of mode: determine the maximum delay duration in each time period, and a plurality of maximum delay durations that will obtain are averaged, with average maximum delay duration as this business maximum delay duration in the section at any time.
The second way: determine the maximum delay duration in each time period, and at needs during for the traffic assignments bandwidth, utilizing the maximum delay duration calculation in the time period of distributing bandwidth time point place is the bandwidth of this traffic assignments.
Present embodiment one also further in conjunction with the maximum delay of business the time other parameters of long correlation determine to distribute to professional bandwidth.Other parameters of long correlation comprise at least during described and professional maximum delay: the queuing duration of data flow surpasses the probability of maximum delay duration, and described probability can be represented the congestion ratio of data flow transmission.When the data flow transmitted amount was big, system was in busy state, and the probability of congestion of data flow also can correspondingly increase.Because in the PDP negotiations process, PDP activates the congestion ratio that the probability of failure of attempting approximates data flow transmission, thus the value of the congestion ratio of data flow transmission can but be not limited to activate the failed probability of attempting with reference to PDP.Need to prove: it is that the terminal reason causes that PDP activates a probability of failure part of attempting, another part causes by system is busy that mainly therefore the value of the congestion ratio of described data flow transmission can further be optimized for the PDP that causes with reference to nonterminal and activate the probability of failure of attempting.
It should be noted, the probability that the queuing duration of data flow surpasses the maximum delay duration depends on the maximum delay duration, when maximum delay duration life period section difference, then the queuing duration of data flow also has corresponding time period difference above the probability of maximum delay duration; Otherwise, then do not have time period difference.
Step 103:, be described traffic assignments bandwidth according to described delivery flow rate information and maximum delay duration.
Because data flow has self-similarity in the GPRS core net, (FractalBrownian motion, FBM) model is set up the allocated bandwidth model in the present embodiment one as the self similarity service source can to utilize fractal Brown motion.Particularly, the FBM model can be introduced G/D/1 (n) queuing model, set up allocated bandwidth model as shown in Equation (1).
In the formula: wherein: C is expressed as the bandwidth of described traffic assignments; M represents the Mean Speed of data flow; α represents the coefficient of variation of data flow Mean Speed; H represents the self similarity coefficient; T represents professional maximum delay duration; ε represents that the queuing duration of data flow surpasses the probability of maximum delay duration; X, y are positive integers, and for example x, y can value be 2.
Need to prove, present embodiment one is not limited to the represented allocated bandwidth model of formula (1) and the distortion of this model, can also utilize delivery flow rate information, maximum delay duration and the relevant parameter thereof of data flow to set up the allocated bandwidth model of other frameworks.
Obtain different delivery flow rate information according to proposing in the step 101 at the different periods, and the maximum delay duration of in different time sections, determining, and then the time period that obtains the current point in time place is the bandwidth of traffic assignments.For example:
Can repeated execution of steps 101-step 103 in the present embodiment one, obtain bandwidth for the different business distribution, and will be kept in the memory device for the bandwidth of traffic assignments form with table 1, described memory device can be the memory device among the GGSN, also can be the memory device that can communicate with GGSN.
| Period business | Professional 1 | Professional 2 | Professional 3 |
| Period 1 | C11 | C21 | C31 |
| Period 2 | C12 | C22 | C32 |
| Period 3 | C13 | C23 | C33 |
Table 1
Parameters in the described formula (1) can be determined respectively in the following manner:
Mean Speed m by formula (2) specified data stream:
Coefficient of variation α by the equal speed of formula (3) specified data levelling:
The self similarity coefficient H of specified data stream in the following manner:
At first, with data flow sample sequence X={X
i, i 〉=1} is divided into size and is a plurality of sub-piece of j, and the data traffic in each height piece (being the element in the sub-piece) addition is averaged, and as shown in Equation (4), obtains new sequence X
(j):
In the formula (4), k is resulting X
(j)The sequence number of each element in the sequence (k 〉=1), i is the sequence number (i 〉=1) of each element among the sample sequence X, j is for carrying out the size of piecemeal, the i.e. number of the element that contains in each piecemeal to sample sequence X.
Then, determine X by formula (5)
(j)Sample variance varX
(j):
In the formula (5), N is the element number of sample sequence X, k, and i, the implication of j and formula (4) are together.
Then, to X
(j)Sample variance take the logarithm: logvarX
(j)/ logj.
At last, for different j, can obtain the X of corresponding accumulation process
(j)Variance.With point (j, varX
(j)) be plotted in the logarithmic coordinates system, just obtained the variance time diagram.Use least square fitting logvarX
(j)/ logj curve obtains the straight line of a slope for-β, tries to achieve self similarity coefficient H by H=1-β/2.
Embodiment two:
The embodiment of the invention two utilizes embodiment one to be the bandwidth of traffic assignments when having terminal to wish to carry out business, further is that the process of service execution of terminal is distributed bandwidth.As shown in Figure 2, carry out the method schematic diagram that distributes bandwidth, said method comprising the steps of for the business of terminal among the embodiment two:
Step 201: the service request that receiving terminal sends.
Carry service identification in the described service request, be used for unique expression terminal and wish the business carried out.
Step 202: the service identification in the service request is discerned, determined the business that terminal request is carried out.
When service identification is discerned, can but be not limited to utilize GGSN equipment in the GPRS core net to the recognition function of different kinds of business, for example, the content charging function of GGSN equipment can realize the identification to different service types among the same APN, realization is to as web page browsing, the identification of the type of service that download of songs etc. are different.
Further, all right recorder is the bandwidth of traffic assignments to the time point of described service request so that distinguish different time sections in this step.
Step 203: the bandwidth that is defined as the traffic assignments of terminal request.
Owing to for the professional bandwidth of in different time sections, having distributed, then determine the time period at place, and then determine in the time period of the service request that receiving terminal sends, to be all available bandwidths of traffic assignments among the embodiment one according to the time point of record in the step 202.
Step 204: the bandwidth of from the bandwidth of determining, selecting to distribute to described terminal.
It is that terminal is carried out professional process distribution bandwidth that this step includes but not limited to by following dual mode:
First kind of mode: will carry out the terminal of described business for the request of giving of the bandwidth mean allocation of described traffic assignments.
For example: when being 10M,, then can respectively distribute the 2M bandwidth for the download of songs business of these 5 terminals if 5 terminal request download song business are arranged for the bandwidth of download of songs traffic assignments.
The second way:
According to the service implementation capabilities of terminal, be the terminal distribution bandwidth of the described business of request execution, wherein: the terminal that service implementation capabilities is high more, the bandwidth of distribution is big more.
The service implementation capabilities of terminal includes but not limited to: the bandwidth that the highest-traffic that terminal can receive takies, and/or the service priority of terminal.
For example: if the bandwidth that the highest-traffic that the bandwidth that the highest-traffic that terminal 1 can receive takies can receive greater than terminal 2 takies, but the service priority of terminal 1 is lower than the service priority of terminal 2, the bandwidth and the service priority weighted that the highest-traffic that terminal 1 can receive can be taken then, obtain the service implementation capabilities of terminal 1, terminal 2 is carried out same weighted, the service implementation capabilities of comparison terminal 1 and terminal 2, the bandwidth of the terminal distribution that service implementation capabilities is high are higher than the low terminal of service implementation capabilities.
Embodiment three:
The embodiment of the invention three provides a kind of equipment of traffic assignments bandwidth that is, as shown in Figure 3, comprise: sampling unit 11, maximum delay determining unit 12 and allocated bandwidth unit 13, wherein: sampling unit 11 is used for the data flow of business is sampled, and obtains the delivery flow rate information of data flow; Maximum delay determining unit 12 is used for determining the maximum delay duration of described business; Allocated bandwidth unit 13 is used for according to described delivery flow rate information and maximum delay duration, is described traffic assignments bandwidth.
Described sampling unit 11 specifically is used for according to sampling time interval and sampling number the flow of described data flow being sampled.
Described sampling unit 11 specifically is used for respectively the data flow of business being sampled according to a plurality of sampling periods of setting.Accordingly, described allocated bandwidth unit 13, specifically be used for in the current sampling period for the bandwidth of described traffic assignments as this bandwidth of described business in current sampling period time corresponding section.
Described equipment also comprises: probability determining unit 14 is used to determine that in the current sampling period terminal request visit is described when professional, and the queuing duration of data flow surpasses the probability of maximum delay duration.Accordingly, specifically to be used for according to described delivery flow rate information, maximum delay duration and definite described probability be described traffic assignments bandwidth in described allocated bandwidth unit 13.
It is described traffic assignments bandwidth that described allocated bandwidth unit 13 specifically is used for by following formula:
Wherein: C is expressed as the bandwidth of described traffic assignments; M represents the Mean Speed of data flow; α represents the coefficient of variation of data flow Mean Speed; H represents the self similarity coefficient; T represents professional maximum delay duration; ε represents that the queuing duration of data flow surpasses the probability of maximum delay duration; X, y are positive integers.
Equipment in the present embodiment is virtual unit corresponding with embodiment one or the entity device with described function, and the equipment that present embodiment provides can be the executive agent of each step among the embodiment one.
Embodiment four:
Present embodiment provides a kind of business for terminal to carry out the equipment that distributes bandwidth, as shown in Figure 4, described equipment comprises: traffic identification unit 21 and allocated bandwidth unit 22, wherein: described traffic identification unit 21 is used for the service identification that carries according to the service request that terminal sends, determines the business that terminal request is carried out; Described allocated bandwidth unit 22 is used for from select to distribute to the bandwidth of described terminal for the bandwidth of definite described traffic assignments.
Described allocated bandwidth unit 22 specifically is used for the time period according to the time place of the service request of receiving terminal transmission, determines to be the bandwidth of described traffic assignments in this time period, and select to distribute to the bandwidth of described terminal from the bandwidth of determining.
Described allocated bandwidth unit 22 specifically is used for and will carries out the terminal of described business for the request of giving of the bandwidth mean allocation of described traffic assignments; Perhaps according to the service implementation capabilities of terminal, be the terminal distribution bandwidth of the described business of request execution, wherein: the terminal that service implementation capabilities is high more, the bandwidth that is assigned with is big more.
Equipment in the present embodiment is logical device corresponding with embodiment two or the entity device with described function, and the equipment that present embodiment provides can be the executive agent of each step among the embodiment two.
The equipment that embodiment three and embodiment four provide is specifically as follows the GGSN node of GPRS network side.The equipment that described two embodiment provide can be the equipment of independent operating, also can be integrated in the equipment, and realize every function that equipment that embodiment three and embodiment four provide has respectively.
The present invention can realize distributing bandwidth according to the actual needs of business by the method and apparatus that embodiment one to embodiment four provides, and improves the reasonable utilance of Internet resources; Can also be the traffic assignments bandwidth further,, further improve the precision of allocated bandwidth, better realize the distribution according to need of Internet resources in conjunction with the time response of business datum flow at the different periods; Simultaneously, when terminal need be carried out accessing operation at a certain business, from distribute to the bandwidth of described terminal for selection the bandwidth of this traffic assignments, make that terminal can be by carrying out operation flow for the bandwidth of self distributing, thereby when being implemented in the terminal request Operational Visit, to the distribution according to need of service bandwidth; Can also be the different bandwidth of terminal distribution further, on the basis of the reasonable utilance that has improved Internet resources, also improve the reasonability of allocated bandwidth, reduce the wasting of resources in the bandwidth allocation according to the terminal traffic executive capability.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (19)
1. one kind is the method for traffic assignments bandwidth, it is characterized in that, this method comprises:
Data flow to business is sampled, and obtains the delivery flow rate information of data flow;
Determine the maximum delay duration of described business;
According to described delivery flow rate information and maximum delay duration, be described traffic assignments bandwidth.
2. the method for claim 1 is characterized in that, the data flow of business is sampled, and comprising:
A plurality of sampling periods according to setting sample to the data flow of business respectively;
Be described traffic assignments bandwidth, comprise:
To in the current sampling period bandwidth of the bandwidth of described traffic assignments as described business in this current sampling period time corresponding section.
3. method as claimed in claim 1 or 2 is characterized in that, the data flow of business is sampled, and comprising:
According to sampling time interval and sampling number the flow of described data flow is sampled.
4. method as claimed in claim 1 or 2 is characterized in that, before described traffic assignments bandwidth, described method also comprises:
Determine that in the current sampling period terminal request visit is described when professional, the queuing duration of data flow surpasses the probability of maximum delay duration;
Be described traffic assignments bandwidth, comprise:
According to described delivery flow rate information, maximum delay duration and definite described probability is described traffic assignments bandwidth.
5. method as claimed in claim 4 is characterized in that, described delivery flow rate information comprises: the self similarity coefficient of the coefficient of variation of the Mean Speed of data flow, data flow Mean Speed and expression data flow self-similarity nature.
6. method as claimed in claim 5 is characterized in that, is described traffic assignments bandwidth by following formula:
Wherein: C is expressed as the bandwidth of described traffic assignments; M represents the Mean Speed of data flow; α represents the coefficient of variation of data flow Mean Speed; H represents the self similarity coefficient; T represents professional maximum delay duration; ε represents that the queuing duration of data flow surpasses the probability of maximum delay duration; X, y are positive integers.
7. a bandwidth of utilizing claim 1 to obtain is carried out the method for distributing bandwidth for the business of terminal, it is characterized in that described method comprises:
The service identification that carries in the service request according to the terminal transmission is determined the business that terminal request is carried out;
From distributing to the bandwidth of described terminal for selection the bandwidth of definite described traffic assignments.
8. method as claimed in claim 7 is characterized in that, the bandwidth of the described traffic assignments that is defined as determining specifically comprises:
The time period at the time place of the service request that sends according to receiving terminal, determine to be in this time period the bandwidth of described traffic assignments.
9. as claim 7 or 8 described methods, it is characterized in that,, comprising from distribute to the bandwidth of described terminal for selection the bandwidth of traffic assignments:
To carry out the terminal of described business for the request of giving of the bandwidth mean allocation of described traffic assignments; Perhaps
According to the service implementation capabilities of terminal, be the terminal distribution bandwidth of the described business of request execution, wherein: the terminal that service implementation capabilities is high more, the bandwidth that is assigned with is big more.
10. method as claimed in claim 9 is characterized in that, the service implementation capabilities of terminal comprises: the bandwidth that the highest-traffic that terminal can receive takies, and/or the service priority of terminal.
11. one kind is the equipment of traffic assignments bandwidth, it is characterized in that, this equipment comprises:
Sampling unit is used for the data flow of business is sampled, and obtains the delivery flow rate information of data flow;
The maximum delay determining unit is used for determining the maximum delay duration of described business;
The allocated bandwidth unit is used for according to described delivery flow rate information and maximum delay duration, is described traffic assignments bandwidth.
12. equipment as claimed in claim 11 is characterized in that,
Described sampling unit specifically is used for respectively the data flow of business being sampled according to a plurality of sampling periods of setting;
Described allocated bandwidth unit, specifically be used for in the current sampling period for the bandwidth of described traffic assignments as this bandwidth of described business in current sampling period time corresponding section.
13. as claim 11 or 12 described equipment, it is characterized in that,
Described sampling unit specifically is used for according to sampling time interval and sampling number the flow of described data flow being sampled.
14., it is characterized in that described equipment also comprises as claim 11 or 12 described equipment:
Probability determining unit is used to determine that in the current sampling period terminal request visit is described when professional, and the queuing duration of data flow surpasses the probability of maximum delay duration;
Described allocated bandwidth unit, specifically being used for according to described delivery flow rate information, maximum delay duration and definite described probability is described traffic assignments bandwidth.
15. equipment as claimed in claim 14 is characterized in that, described delivery flow rate information comprises: the self similarity coefficient of the coefficient of variation of the Mean Speed of data flow, data flow Mean Speed and expression data flow self-similarity nature.
16. method as claimed in claim 15 is characterized in that,
Described allocated bandwidth unit, specifically being used for by following formula is described traffic assignments bandwidth:
Wherein: C is expressed as the bandwidth of described traffic assignments; M represents the Mean Speed of data flow; α represents the coefficient of variation of data flow Mean Speed; H represents the self similarity coefficient; T represents professional maximum delay duration; ε represents that the queuing duration of data flow surpasses the probability of maximum delay duration; X, y are positive integers.
17. a bandwidth of utilizing claim 11 to obtain is carried out the equipment that distributes bandwidth for the business of terminal, it is characterized in that described equipment comprises:
The traffic identification unit is used for the service identification that carries according to the service request that terminal sends, determines the business that terminal request is carried out;
The allocated bandwidth unit is used for from select to distribute to the bandwidth of described terminal for the bandwidth of definite described traffic assignments.
18. equipment as claimed in claim 17 is characterized in that,
Described allocated bandwidth unit specifically is used for time period at the time place of the service request that sends according to receiving terminal, determine be the bandwidth of described traffic assignments in this time period, and the bandwidth of described terminal is distributed in selection from the bandwidth of determining.
19. as claim 17 or 18 described equipment, it is characterized in that,
Described allocated bandwidth unit specifically is used for and will carries out the terminal of described business for the request of giving of the bandwidth mean allocation of described traffic assignments; Perhaps according to the service implementation capabilities of terminal, be the terminal distribution bandwidth of the described business of request execution, wherein: the terminal that service implementation capabilities is high more, the bandwidth that is assigned with is big more.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103121123A (en) * | 2013-02-04 | 2013-05-29 | 中国石油天然气集团公司 | Milling device of inner counter hole and inner counter groove of cavity part |
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| CN103121123A (en) * | 2013-02-04 | 2013-05-29 | 中国石油天然气集团公司 | Milling device of inner counter hole and inner counter groove of cavity part |
| CN103297349A (en) * | 2013-05-30 | 2013-09-11 | 北京蓝汛通信技术有限责任公司 | Method and device for adjusting network resource provision modes |
| CN103297349B (en) * | 2013-05-30 | 2017-04-05 | 北京蓝汛通信技术有限责任公司 | A kind of method of adjustment and device of Internet resources presentation mode |
| CN105743720B (en) * | 2014-12-08 | 2018-12-07 | 中国移动通信集团设计院有限公司 | A kind of link-quality-evaluating method and its device |
| CN105743720A (en) * | 2014-12-08 | 2016-07-06 | 中国移动通信集团设计院有限公司 | Link quality assessment method and device |
| CN105553881B (en) * | 2015-12-15 | 2018-10-23 | 上海交通大学 | The universal method that Internet resources distribute in hybrid switching system |
| CN105553881A (en) * | 2015-12-15 | 2016-05-04 | 上海交通大学 | General method for network resource allocation in hybrid switching system |
| CN110832819A (en) * | 2017-07-12 | 2020-02-21 | 高通股份有限公司 | Techniques and apparatus for multiplexing schemes for millimeter wave downlink single carrier waveforms |
| CN110832819B (en) * | 2017-07-12 | 2022-05-13 | 高通股份有限公司 | Techniques and apparatus for multiplexing schemes for millimeter wave downlink single carrier waveforms |
| CN107948098A (en) * | 2017-12-04 | 2018-04-20 | 中国联合网络通信集团有限公司 | A kind of bandwidth adjustment method and system |
| CN110278165A (en) * | 2019-08-01 | 2019-09-24 | 北京百度网讯科技有限公司 | Distribution method, device and the computer readable storage medium of network bandwidth |
| WO2021238694A1 (en) * | 2020-05-25 | 2021-12-02 | 华为技术有限公司 | Method for determining bandwidth for transmitting service flow, device and system |
| EP4149155A4 (en) * | 2020-05-25 | 2023-10-18 | Huawei Technologies Co., Ltd. | Method for determining bandwidth for transmitting service flow, device and system |
| CN114629737A (en) * | 2020-12-14 | 2022-06-14 | 深圳Tcl新技术有限公司 | Bandwidth adjusting method and device, gateway equipment and storage medium |
| CN114629737B (en) * | 2020-12-14 | 2024-03-12 | 深圳Tcl新技术有限公司 | Bandwidth adjustment method, device, gateway equipment and storage medium |
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