CN103986715B - A kind of method and device of control of network flow quantity - Google Patents
A kind of method and device of control of network flow quantity Download PDFInfo
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- CN103986715B CN103986715B CN201410215626.4A CN201410215626A CN103986715B CN 103986715 B CN103986715 B CN 103986715B CN 201410215626 A CN201410215626 A CN 201410215626A CN 103986715 B CN103986715 B CN 103986715B
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Abstract
The present invention relates to network communication technology field, the embodiment of the present invention provides a kind of method and device of control of network flow quantity, it cannot be guaranteed that the problem of bandwidth needed for certain specific application program when flow is controlled in a local network solving prior art.This method includes：According to the characteristic information of data message and the first corresponding relation of application program, it is determined that the corresponding application program of the characteristic information of the data message received；The bandwidth according to shared by the data message of the application program received, determines the current desired bandwidth of the application program；It is the application assigned bandwidth according to the priority of the application program, the current desired bandwidth of the application program and currently available bandwidth.The data message for enabling to the high application program of priority using the embodiment of the present invention can be handled in time.
Description
Technical field
The present invention relates to network communication technology field, more particularly to a kind of method and device of control of network flow quantity.
Background technology
With the popularization of network in daily life, increasing application program is also used by people, and people pass through each
Kind of application program is worked, learns and entertained in a network, while requirement also more and more higher of the people for network service quality.But
It is that the resource of the external network bandwidth is going out for limited, such as common home network in the LAN environment residing for us
Mouthful it is usually no more than 10M, it is therefore desirable to which a kind of network flux management method makes us reasonably use limited bandwidth, it is to avoid
There is the generation for the phenomenon that network congestion or business in need of immediate treatment can not be handled in time.
The method for the network flow management commonly used in current LAN is some features by analyzing network traffics, such as
The spies such as IP (Internet Protocol, Internet protocol) source and destination address, source and destination port, application layer protocol type
Levy, by detecting these features in network traffics in a local network, it is determined whether the network traffics comprising some feature are entered
Row is let pass or current limliting.Current limliting such as is carried out to the network traffics for being sent to some purpose IP address, when being sent to this purpose IP address
When network traffics exceed the threshold value of setting, discard processing will be carried out beyond the data of part, so as to realize to network flow bandwidth
Classified, detected and controlled, effectively utilize the network bandwidth, it is to avoid the congestion of network traffics.
But this method does not distinguish the bandwidth consumption corresponding to the concrete application program of network traffics in LAN, than
The minimum bandwidth consumed as required for the application programs such as video request program, sudden peal of thunder download, therefore the network flow buret of this LAN
Reason method is it cannot be guaranteed that user's minimum bandwidth required when using a certain concrete application program.Such as user is in LAN
During middle use video request program program, while thering are multiple application programs seizing limited bandwidth, when some application program network flow
Amount increase suddenly, when occupying massive band width resource, the partial data message of video request program occurs delay or directly lost
Abandon, cause video a card phenomenon occur, have a strong impact on the viewing experience of user.
In summary, the method for the control of network flow quantity of LAN cannot distinguish between specific application in prior art,
Cause when flow is controlled the bandwidth it cannot be guaranteed that needed for certain specific application program.
The content of the invention
The embodiment of the present invention provides a kind of method and device of control of network flow quantity, to solve prior art in office
It cannot be guaranteed that the problem of bandwidth needed for certain specific application program when flow is controlled in the net of domain.
A kind of method of control of network flow quantity provided in an embodiment of the present invention, including：
According to the characteristic information of data message and the first corresponding relation of application program, it is determined that the data message received
The corresponding application program of characteristic information；
The bandwidth according to shared by the data message of the application program received, determines the current desired band of the application program
It is wide；
According to the priority of the application program, the current desired bandwidth of the application program and currently available band
Width, is the application assigned bandwidth.
Preferably, according to shared by the data message of the application program received bandwidth, determine the current institute of the application program
The bandwidth needed, including：
The bandwidth according to shared by the data message of the application program received in continuous N number of cycle before, it is determined that currently
Bandwidth in cycle needed for the application program；
Wherein, N is positive integer.
Preferably, according to the second corresponding relation of application program and priority, determining that the application program is corresponding preferential
Level.
Preferably, this method also includes：
After it is determined that the traffic characteristic of the application program meets update condition, in second corresponding relation, the institute
The corresponding priority of application program is stated to be adjusted.
Preferably, the traffic characteristic of the application program is including following part or all of：
The uninterrupted of data message；
The quantity of data message；
The transmitting-receiving frequency of data message；
The time that data message is produced.
Preferably, according to the current desired bandwidth of the priority of the application program, the application program and currently may be used
Bandwidth, is the application assigned bandwidth, specifically includes：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；
It is preferably the high application assigned bandwidth of priority if being more than；
Otherwise, it is the current desired bandwidth of each application assigned.
Preferably, according to the current desired bandwidth of the priority of the application program, the application program and currently may be used
Bandwidth, is the application assigned bandwidth, specifically includes：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；
If being more than, the first bandwidth in currently available bandwidth is distributed to the application program of highest priority, will be by
It is the second bandwidth that other applications are distributed in currently available bandwidth according to priority；
Otherwise, it is the current desired bandwidth of each application assigned；
Wherein, the first band is wider than second bandwidth.
The method of another control of network flow quantity provided in an embodiment of the present invention, including：
Background server receives the characteristic information of the data message from network access device；
The background server is according to application program and the first corresponding relation of the characteristic information of data message, it is determined that described
The corresponding application program of characteristic information；
The background server is by network access device described in the application notification of determination, so that the network connection is set
Priority, the current desired bandwidth of the application program and the currently available band of the standby application program according to notice
Width, is the application assigned bandwidth.
A kind of device of control of network flow quantity provided in an embodiment of the present invention, the device includes：
Determining unit, for the characteristic information according to data message and the first corresponding relation of application program, it is determined that receiving
The corresponding application program of characteristic information of the data message arrived；
Bandwidth determining unit, for bandwidth shared by the data message according to the application program received, determines the application
The current desired bandwidth of program；
Bandwidth allocation element, the bandwidth current desired for the priority according to the application program, the application program
And currently available bandwidth, it is the application assigned bandwidth.
Preferably, the bandwidth determining unit specifically for：
The bandwidth according to shared by the data message of the application program received in continuous N number of cycle before, it is determined that currently
Bandwidth in cycle needed for the application program；Wherein, N is positive integer.
Preferably, the bandwidth allocation element is specifically additionally operable to：
According to application program and the first corresponding relation of the characteristic information of data message, it is determined that the data message received
The corresponding application program of characteristic information.
Preferably, the bandwidth allocation element is specifically additionally operable to：
The characteristic information of the data message received is sent to background server, so that the background server is according to application
First corresponding relation of the characteristic information of program and data message, determines the corresponding application program of the characteristic information；
The corresponding application program of data message for determining to receive according to the notice of the background server.
Preferably, the bandwidth allocation element determines the priority of the application program according to following manner：
According to the second corresponding relation of application program and priority, the corresponding priority of the application program is determined.
Preferably, the bandwidth allocation element determines the priority of the application program always according to following manner：
After it is determined that the traffic characteristic of the application program meets update condition, in second corresponding relation, the institute
The corresponding priority of application program is stated to be adjusted.
Preferably, the traffic characteristic of the application program is including following part or all of：
The uninterrupted of data message；
The quantity of data message；
The transmitting-receiving frequency of data message；
The time that data message is produced.
Preferably, the bandwidth allocation element specifically for：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；It is preferably the high application assigned bandwidth of priority if being more than；
Otherwise, it is the current desired bandwidth of each application assigned.
Preferably, the bandwidth allocation element specifically for：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；If being more than, by the first bandwidth allocation in currently available bandwidth
To the application program of highest priority, the second band that will be distributed according to priority for other applications in currently available bandwidth
It is wide；Otherwise, it is the current desired bandwidth of each application assigned；Wherein, the first band is wider than second bandwidth.
The device of another control of network flow quantity provided in an embodiment of the present invention, the device includes：
Receiving unit, the characteristic information for receiving the data message from network access device；
Application program determining unit, for the first corresponding relation according to application program and the characteristic information of data message,
Determine the corresponding application program of the characteristic information；
Application assigned bandwidth unit, for network access device described in the application notification by determination, so that institute
Network access device is stated according to the current desired bandwidth of priority, the application program of the application program of notice and is worked as
Preceding available bandwidth, is the application assigned bandwidth.
The method provided according to embodiments of the present invention, in a local network, believes according to application program and its data message feature
The corresponding relation of breath can identify specific application program, while each specific application program all correspond to priority,
The bandwidth allocation of the data message of each application program can be thus controlled, the flow control for specific application program is realized
System.The statistics of bandwidth shared by the data message flow received by application program, can calculate every kind of application program and be averaged
Required bandwidth, when being allocated to current available bandwidth, according to the priority of every kind of application program height and average institute
The bandwidth needed carries out bandwidth allocation.Specific application program in LAN can be identified by this method, according to specific
The priority distribution bandwidth of application program, it is possible to achieve the application program high to priority carries out bandwidth protection so that priority
High application program can preferentially obtain required bandwidth, so that the data message of the high application program of priority can be obtained
To handle in time and realize the flow in LAN control.
Brief description of the drawings
Fig. 1 is a kind of method flow diagram for control of network flow quantity that the embodiment of the present invention one is provided；
Fig. 2 is a kind of method flow diagram for control of network flow quantity that the embodiment of the present invention two is provided；
Fig. 3 is a kind of method flow diagram for control of network flow quantity that the embodiment of the present invention three is provided；
Fig. 4 is a kind of structure drawing of device for control of network flow quantity that the embodiment of the present invention four is provided；
Fig. 5 is a kind of structure drawing of device for control of network flow quantity that the embodiment of the present invention five is provided.
Embodiment
The embodiment of the present invention can be determined according to the corresponding relation between application program and its data message characteristic information
Specific application program, while the bandwidth according to shared by the data message before each application program goes to determine that application program is current
Required bandwidth, the priority finally according to each application program goes to be allocated current assignable bandwidth, preferential to meet
Bandwidth needed for the high application program of priority.Due to when being allocated to current available bandwidth, being according to every kind of application journey
The priority height of sequence carries out bandwidth allocation, bandwidth is allocated by this method, it is possible to achieve the application high to priority
Program carries out bandwidth protection so that the high application program of priority can preferentially obtain required bandwidth, so that priority
The data message of high application program can be handled in time.
The embodiment of the present invention is described in detail with reference to Figure of description.
As shown in figure 1, a kind of method flow diagram for control of network flow quantity that the embodiment of the present invention one is provided, this method bag
Include：
Step 101：According to the characteristic information of data message and the first corresponding relation of application program, it is determined that the number received
According to the corresponding application program of the characteristic information of message；
Step 102：The bandwidth according to shared by the data message of the application program received, determines the current institute of the application program
The bandwidth needed；
Step 103：According to the current desired bandwidth of the priority of the application program, the application program and currently may be used
Bandwidth, is the application assigned bandwidth.
Network access device refers to gateway or can realize other of control of network flow quantity function in the embodiment of the present invention
Equipment.
Different application programs have been possible to uplink data messages, it is also possible to have downlink data message.The embodiment of the present invention
Scheme it is identical with the processing mode of downlink data message for uplink data messages.Based on this, unless otherwise specified, otherwise
The scheme uplink and downlink of the embodiment of the present invention can be applied.
Network access device can calculate the number of each application program when receiving the data message relevant with application program
According to the bandwidth shared by message, the bandwidth value then obtained according to calculating is the bandwidth that application assigned is fixed.
It is preferred that, network access device calculates each application program bandwidth required in a cycle, only in a week
Interim is application assigned fixed-bandwidth, thus can be in the bandwidth needed for each cycle real-time update application program, it is to avoid
The waste of bandwidth resources.General a cycle when a length of 20 seconds or 30 seconds, set with specific reference to actual conditions.
Network access device determines process of each application program in the bandwidth needed for current period, is according to the conventional cycle
Amount of bandwidth shared by middle application program is determined.Network access device statistics application program is continuous multiple before current period
Bandwidth in cycle shared by reality, the bandwidth according to needed for statistical result determines application program in current period.Specific determination side
Method can have a variety of implementations, and a kind of method is by the flat of the bandwidth shared by reality in continuous multiple cycles before current period
Average is defined as bandwidth required in current period；Another method is to actual institute in continuous multiple cycles before current period
The average value of the bandwidth accounted for is weighted, and the result after computing is defined as to bandwidth required in current period.Certainly have
Body determines that the bandwidth in current period needed for application program also has a variety of implementation methods, and this is no longer going to repeat them.
Preferably, according to the data message of the application program received, the current desired bandwidth of the application program is determined,
Including：
The bandwidth according to shared by the data message of the application program received in continuous N number of cycle before, it is determined that currently
Bandwidth in cycle needed for the application program；Wherein, N is positive integer.
Network access device be able to will be recognized before the bandwidth needed for calculating application program current period each applies journey
Sequence, it is to determine application program according to the characteristic information of the corresponding data message of application program to know method for distinguishing.Network connection is set
The standby characteristic information extracted in data message flow, such as：Source IP (Internet Protocol, Internet protocol) address, source
The characteristic informations such as mouth, purpose IP address, destination interface, communication protocol type, uplink and downlink flow.According to the datagram of extraction
Characteristic information in literary flow goes to recognize specific application program.
For example：Video flowing, wherein including many types such as program request, Video chat software, internet television etc., variety classes
There is its each unique feature, do not itemize one by one herein.Now with usually more common youku.com/LeEco/unusual grade video
Exemplified by application program：The port of HTTP (Hyper Text Transport Protocol, HTTP) agreement is general
All it is 80, the ratio of the flow of uplink and downlink data message is 1:20 to 1:Between 40, the number of uplink and downlink data message
It is 1434 that amount ratio, which is less than or equal to the descending data message of 1, HTTP segment datas to be essentially length,；Wireless screen transmission, which is divided into, passes greatly small
Big with brief biography, characteristic information is relatively fixed, and host-host protocol is TCP (Transmission Control Protocol, transmission control
Agreement processed), the flow-rate ratio of uplink and downlink data message is respectively 1:45 to 1:60, the quantity ratio of uplink and downlink data message
For 1:2, the control information length of uplink data messages is 66 bits, and the control information length of downlink data message is 1514 ratios
It is special；Network neighbor, Service-Port is fixed as Microsoft-ds (445), and host-host protocol is TCP and SMB (Server
Message Block, SMB), when uplink and downlink send datagram mutually, SMB data messages are used as control
Information, TCP is used for transmitting data etc..
The information from example above as can be seen that different application takes on a different character, to every kind of known application journey
Sequence distributes a unique application program identification code, by application program spy corresponding with application program identification code and application program
Reference breath is mapped.
After a series of characteristic information of one application program of acquisition, according to every kind of application program and pair of characteristic information
It should be related to and may determine that whether this characteristic information has corresponding application program identification code, if so, then this application program is known
Application program, therefore can identify the application program specific to be that one kind apply.
After the characteristic information for the data message that network access device is obtained according to statistics, according to application program and data message
The corresponding relation of characteristic information go recognition application.Because number of applications is very more, differs and surely realize to all
The identification of application program, therefore when the characteristic information of acquisition is without application program identification code corresponding thereto, it may be determined that
The application program is unknown application program, therefore fails to recognize the application program.
For it is unidentified go out application program, record the characteristic information of its data message and set up corresponding relation, simultaneously
For the unidentified unique application program identification code of application assigned one.It can thus realize to application program and data
The automatic study of the corresponding relation of message characteristic information.
Realize that the identification to application program can be realized in network connection identification, can also be real on background server
It is existing., only need to be by the characteristic information and network access device that count obtained data message when being realized on network access device
Being matched with program with the corresponding relation of data message characteristic information for storage, determines corresponding application program.
When the identification of application program is realized in background server, network access device is by the feature of the data message of statistics
Information is sent to background server, and background server is by the use program and data message that are stored on characteristic information and background server
The corresponding relation of characteristic information is matched, and matching result is sent to network access device by background server.
Preferably, according to shared by the data message of the application program received bandwidth, determine the current institute of the application program
Before the bandwidth needed, in addition to：
The characteristic information of the data message received is sent to background server, so that the background server is according to application
First corresponding relation of the characteristic information of program and data message, determines the corresponding application program of the characteristic information；The net
Network connects the corresponding application program of data message that equipment determines to receive according to the notice of the background server.
Identify after application program, network access device determines the priority of application program, the priority of application program
It is an important evidence in the future to application assigned bandwidth.The priority of application program is by QoS (Quality of
Service, service quality) set what is realized, QoS is intended to the different demands for various application programs, provides different for it
Service quality, can provide difference more reasonably using our limited bandwidth resources for our different application requirements
The service of grade.So, QoS, which is set, can effectively solve on multiple intelligent terminals in a network to be gone out while carrying out multiple applications
Existing network bandwidth congested problem.
In QoS settings, according to the priority of the strategy setting different application pre-set, it is ensured that higher to bandwidth requirement
Application program network demand (such as video playback, wireless screen transmission etc.), reduce to the not high application program of network bandwidth requirements
Priority (such as a sudden peal of thunder download etc.), or will be conventional application program, higher priority is set, so as to reach to network
The control of flow, is solved multiple while the problem of multiple application programs of the multiple terminals carried out seize limited network resources.Should
Can preferentially it be set as needed with the priority of program.Such as bandwidth is being fought for now with four kinds of application programs：A sudden peal of thunder is downloaded,
Wireless screen transmission, LeEco TV videos, network neighbor.If the current fluency for wanting to ensure LeEco TV videos, then just will
The priority of LeEco TV videos is set to highest, the preferential required bandwidth to LeEco TV videos can thus enter in bandwidth allocation
Row distribution.Due to there are many application programs to be the failure to identification, therefore the priority of unidentified application program is set to one
Individual default value.
Preferably, determining the priority of the application program according to following manner：
According to the second corresponding relation of application program and priority, the corresponding priority of the application program is determined.
In QoS settings, set up after the priority of application program, can also be led to according to the traffic characteristic of application program
The priority for crossing application program during QoS management strategies are set to QoS is adaptively adjusted.QoS management strategies are comprising various pre-
If condition, for example set a flow threshold, when application data message flow exceed setting threshold value when, this is applied
The priority of program heightens one-level or turns down one-level；A frequency threshold can also be set, when the frequency of use of application program
More than setting threshold value when, the priority of the application program is heightened into one-level or one-level is turned down.It is default in QoS management strategies
Condition also has many kinds, but its principle is all communicated with example provided above, therefore other default conditions are herein no longer one by one
Repeat.
According to default condition in QoS management strategies, the priority of application program can be reasonably adjusted, so that more accurate
Bandwidth resources are allocated.Application program A priority is for example set to the superlative degree, application program B in QoS settings
Priority be set to lowermost level, all application program A can be preferentially distributed per sub-distribution bandwidth.Find to apply journey after a period of time
Sequence A frequency of use is very low, and general 30 talent uses once, and the bandwidth needed for application program A is very big, and application program B
Frequency of use it is very high, can all use daily, and the bandwidth needed for application program B is very big, now according in QoS management strategies
Application program A priority is adjusted to minimum by default condition, and application program B priority is adjusted into highest.Can be thus
The application program being commonly used preferentially distributes bandwidth.
Preferably, this method also includes：
After it is determined that the traffic characteristic of the application program meets update condition, in second corresponding relation, the institute
The corresponding priority of application program is stated to be adjusted.
QoS management strategies are adjusted according to the traffic characteristic of application program to the priority of application program, and the flow is special
Levy be application program statistical nature of the data message in transmitting procedure, including：The uninterrupted of data message；Data message
Quantity；The transmitting-receiving frequency of data message；The features such as the time that data message is produced.Network access device can be according to statistics
The traffic characteristic of the application program of acquisition is compared in the default condition of QoS management strategies, when meeting default condition
Just the priority to application program is adjusted.
Preferably, the traffic characteristic of the application program is including following part or all of：
The uninterrupted of data message；
The quantity of data message；
The transmitting-receiving frequency of data message；
The time that data message is produced.
Network access device first calculates the bandwidth summation needed for the application program of current bandwidth to be allocated when distributing bandwidth,
Result of calculation is compared with current assignable bandwidth, if the bandwidth needed for the application program of current bandwidth to be allocated is total
Be not more than current assignable bandwidth, then directly for the bandwidth needed for each application program of bandwidth to be allocated；Otherwise, network
Equipment is connected according to the priority of the application program of bandwidth to be allocated, preferentially by assignable bandwidth allocation it is high to priority should
Use program.Than application program A, B, C and D if any 3 bandwidth to be allocated, their priority is A>B>C=D, A need 2M bands
Width, B needs 3M bandwidth, and C and D are respectively necessary for 1M bandwidth.But now only have 4M bandwidth can distribute, network access device according to
The priority of application program, is preferably the 2M bandwidth that A is distributed needed for it, now a residue 2M available bandwidth, but B needs 3M bands
Width, C and D are respectively necessary for 1M bandwidth, according to priority relationship, and remaining 2M bandwidth is fully allocated into B, C and D can not obtain required
Bandwidth.Now C and D can only wait next bandwidth allocation.
Preferably, according to the current desired bandwidth of the priority of the application program, the application program and currently may be used
Bandwidth, is the application assigned bandwidth, specifically includes：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；
It is preferably the high application assigned bandwidth of priority if being more than；
Otherwise, it is the current desired bandwidth of each application assigned.
Because C and D priority are minimum, therefore they can only wait the high application program bandwidth allocation knot of remaining priority
Bandwidth could be obtained by having after beam during remaining bandwidth.Sometimes the high application program of priority can take limited bandwidth always, lead
The application program for causing priority low can not obtain bandwidth always so that application program cannot be responded always.Therefore in order to avoid
The generation of such case, two parts can be divided available bandwidth into before distribution bandwidth：First bandwidth and the second bandwidth, first band
Wide and the second bandwidth size can be pre-set, it is ensured that first band is wider than the second bandwidth.First bandwidth is according to application program
Priority orders be allocated, the second bandwidth is polled point as bandwidth is retained in the relatively low application program of priority
Match somebody with somebody.
Application program A, B, C and D as stated above, 3M, the second band are set to by the first bandwidth of current available bandwidth
Width is set to 1M.2M bandwidth now is distributed for A in the first bandwidth during network access device distribution bandwidth, the first bandwidth is remaining
1M bandwidth allocations are to B.The second bandwidth is now distributed into C and D in the way of poll, such as current period is by the second bandwidth allocation
To C, next cycle by the second bandwidth allocation to D, or several continuous cycles by the second bandwidth allocation to C, if then continuous
Dry cycle is by the second bandwidth allocation to D.The division methods of first bandwidth and the second bandwidth will not be repeated here, while the second band
The polling method that width is used is referred to the process described above, and other deformations similar with the process described above are herein no longer
Repeat one by one.
Preferably, according to the current desired bandwidth of the priority of the application program, the application program and currently may be used
Bandwidth, is the application assigned bandwidth, specifically includes：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；
If being more than, the first bandwidth in currently available bandwidth is distributed to the application program of highest priority, will be by
It is the second bandwidth that other applications are distributed in currently available bandwidth according to priority；
Otherwise, it is the current desired bandwidth of each application assigned；
Wherein, the first band is wider than second bandwidth.
Network access device be the complete bandwidth of application assigned after, at the amount of bandwidth of each application assigned
Manage the data message of each application program.When application program is currently needed for bandwidth but unassigned bandwidth, network access device meeting
The data message of the application program is stored, until the application assigned again by the message of the application program during bandwidth
Send.
When the current desired band of application program is wider than the bandwidth currently distributed, network access device can be according to the application
The amount of bandwidth of program distribution handles the data message of respective numbers, and untreated data message will be stored, until this
Application program again sends the remaining data message of the application program respective numbers when being reallocated bandwidth.Work as network
It can abandon that part priority is low but data message of application program of unassigned bandwidth when connection device memory is not enough.
As shown in Fig. 2 a kind of method flow diagram for control of network flow quantity that the embodiment of the present invention two is provided, this method bag
Include：
Step 201：Background server receives the characteristic information of the data message from network access device；
Step 202：The background server according to application program and the first corresponding relation of the characteristic information of data message,
Determine the corresponding application program of the characteristic information；
Step 203：The background server is by network access device described in the application notification of determination, so that the net
Equipment is according to the current desired bandwidth of priority, the application program of the application program of notice and currently may be used for network connection
Bandwidth, is the application assigned bandwidth.
In recognition application, application program can be identified by background server.By the application journey of acquisition
The characteristic information of the data message of sequence is sent to background server by network, and background server is to the data message that receives
Characteristic information is matched in application program with the corresponding relation of the characteristic information of data message, will when obtaining matching result
Matching result is sent to network access device；When not obtaining matching result, a new application is set up according to the information of reception
The corresponding relation of the characteristic information of program and data message, while distribute a unique application program identification code applies journey to this
Sequence, network access device is sent to by the corresponding relation of application program identification code and the application program.Network access device is received
To after application program identification code, if the corresponding application program of application program identification code is not found, by the application program
It is judged as unidentified application program, and the priority of the application program is set to default value.
Bandwidth needed for the application program of current bandwidth to be allocated is first calculated when network access device is distributing bandwidth is total
With result of calculation is compared with current assignable bandwidth, if the band needed for the application program of current bandwidth to be allocated
Wide summation is not more than current assignable bandwidth, then directly for the bandwidth needed for the application assigned of each bandwidth to be allocated；
Otherwise, assignable bandwidth allocation is preferentially given excellent by network access device according to the priority of the application program of bandwidth to be allocated
The high application program of first level.
As shown in figure 3, a kind of method flow diagram for control of network flow quantity that the embodiment of the present invention three is provided.Below by basis
Flow chart in the embodiment of the present invention shown in Fig. 3 is illustrated to the bandwidth allocation of application program, in declarative procedure only with should
Illustrated with the downlink bandwidth distribution of program, the upstream bandwidth distribution of application program is consistent with the distribution method of upstream bandwidth,
This is no longer repeated one by one again.
When the data message of the application program of client 303 is by network access device 302,302 pairs of network access device
The characteristic information of data message is extracted, and application program is identified according to the characteristic information extracted, the process of identification
It can realize, can also be realized on background server 301 on network access device 302.
When 302 recognition application of network access device, failing to recognizing the application program, then by the application program
A unique application program identification code is distributed, and corresponding relation is set up with the characteristic information of the application program；If identified
Application program, it is determined that the application program identification code of the application program identified.
When 301 recognition application of background server, background server 301 receives network access device 302 and passes through net
The characteristic information of network transmission, and be identified according to this feature information, and recognition result is transferred to network access device 302.
Failing to recognize the application program, then by one unique application program identification code of the application assigned, and with the application
The characteristic information of program sets up corresponding relation；If identifying application program, it is determined that the application journey of the application program identified
Sequence identification code.
Network access device 302 obtains the preferential of the application program according to the result of recognition application in QoS settings
Level.QoS sets meeting to unidentified application program and does not pre-set the default acquiescence of known applications of priority
Priority.
Network access device 302 is received after the data message of the application program of client 303, according to current assignable
Bandwidth needed for the application program of bandwidth and current bandwidth to be allocated is to application assigned bandwidth.If current band to be allocated
Bandwidth summation needed for wide application program is not more than current assignable bandwidth, then the application directly for each bandwidth to be allocated
Bandwidth needed for program distribution；Otherwise, network access device preferentially may be used according to the priority of the application program of bandwidth to be allocated
The bandwidth allocation of the distribution application program high to priority.
Distribute after bandwidth, the bandwidth that network access device 302 is distributed according to each application program is to data message
Handled.When application program is currently needed for bandwidth but unassigned bandwidth, network access device 302 can be by the application program
Data message is stored, and again the message of the application program is sent into client during bandwidth until the application assigned
303。
When the current desired band of application program is wider than the bandwidth currently distributed, the meeting basis of network access device 302 should
The amount of bandwidth of application assigned handles the data message of respective numbers, and untreated data message will be stored, directly
The remaining data message of the application program respective numbers is sent to client again when being reallocated bandwidth to the application program
End 303.
When 302 low memory of network access device, it can abandon that part priority is low and application journey of unassigned bandwidth
The data message of sequence.
For above method flow, the embodiment of the present invention also provides a kind of device of control of network flow quantity, the tool of this device
Hold in vivo and be referred to above method implementation, will not be repeated here.
As shown in figure 4, a kind of structure drawing of device for control of network flow quantity that the embodiment of the present invention four is provided, the device bag
Include：
Determining unit 401, for the characteristic information according to data message and the first corresponding relation of application program, it is determined that connecing
The corresponding application program of characteristic information of the data message received；
Bandwidth determining unit 402, for bandwidth shared by the data message according to the application program received, it is determined that described should
With the current desired bandwidth of program；
Bandwidth allocation element 403, the band current desired for the priority according to the application program, the application program
Wide and currently available bandwidth, is the application assigned bandwidth.
Preferably, the bandwidth determining unit 402 specifically for：
The bandwidth according to shared by the data message of the application program received in continuous N number of cycle before, it is determined that currently
Bandwidth in cycle needed for the application program；Wherein, N is positive integer.
Preferably, the bandwidth allocation element 403 is specifically additionally operable to：
According to application program and the first corresponding relation of the characteristic information of data message, it is determined that the data message received
The corresponding application program of characteristic information.
Preferably, the bandwidth allocation element 403 is specifically additionally operable to：
The characteristic information of the data message received is sent to background server, so that the background server is according to application
First corresponding relation of the characteristic information of program and data message, determines the corresponding application program of the characteristic information；
The corresponding application program of data message for determining to receive according to the notice of the background server.
Preferably, the bandwidth allocation element 403 determines the priority of the application program according to following manner：
According to the second corresponding relation of application program and priority, the corresponding priority of the application program is determined.
Preferably, the bandwidth allocation element 403 determines the priority of the application program always according to following manner：
After it is determined that the traffic characteristic of the application program meets update condition, in second corresponding relation, the institute
The corresponding priority of application program is stated to be adjusted.
Preferably, the traffic characteristic of the application program is including following part or all of：
The uninterrupted of data message；The quantity of data message；The transmitting-receiving frequency of data message；Data message is produced
Time.
Preferably, the bandwidth allocation element 403 specifically for：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；It is preferably the high application assigned bandwidth of priority if being more than；
Otherwise, it is the current desired bandwidth of each application assigned.
Preferably, the bandwidth allocation element 403 specifically for：
If being currently needed for as multiple application assigned bandwidth, the current institute of multiple application programs for needing to distribute bandwidth is judged
Whether the bandwidth sum needed is more than currently available bandwidth；If being more than, by the first bandwidth allocation in currently available bandwidth
To the application program of highest priority, the second band that will be distributed according to priority for other applications in currently available bandwidth
It is wide；Otherwise, it is the current desired bandwidth of each application assigned；Wherein, the first band is wider than second bandwidth.
As shown in figure 5, a kind of structure drawing of device for control of network flow quantity that the embodiment of the present invention five is provided, the device bag
Include：
Receiving unit 501, the characteristic information for receiving the data message from network access device；
Application program determining unit 502, for being closed according to the first of application program and the characteristic information of data message the correspondence
System, determines the corresponding application program of the characteristic information；
Application assigned bandwidth unit 503, for network access device described in the application notification by determination, so that
The network access device according to the current desired bandwidth of priority, the application program of the application program of notice and
Currently available bandwidth, is the application assigned bandwidth.
From the above, it is seen that in a local network, passing through the number according to every kind of application program in the embodiment of the present invention
The corresponding application program of each data message is identified according to message characteristic information, while each application program has its corresponding
Priority, the statistics of bandwidth shared by the data message flow then received to every kind of application program can calculate every kind of answer
With the average required bandwidth of program, when being allocated to current available bandwidth, according to the priority of every kind of application program height
And average required bandwidth carries out bandwidth allocation.Bandwidth is allocated by this method, it is possible to achieve high to priority
Application program carries out bandwidth protection so that the high application program of priority can preferentially obtain required bandwidth, so that excellent
The data message of the high application program of first level can in time be handled and realize that the flow in LAN is controlled.While in order to keep away
Exempting from the high application program of priority, occupied bandwidth is so that the low application program of priority can not obtain bandwidth allocation all the time, the present invention
Current available bandwidth is also divided into the first bandwidth and the second bandwidth in embodiment, the first bandwidth is used in the high application journey of priority
Bandwidth allocation is carried out in sequence, the second bandwidth is used to be polled distribution in the relatively low application program of priority.Thus can be with
So that the low application program of priority can also obtain certain bandwidth, the low application program of priority will not be caused due to for a long time
It cannot handle and cause data message to be dropped.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The shape for the computer program product that usable storage medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of method of control of network flow quantity, it is characterised in that this method includes：
According to the characteristic information of data message and the first corresponding relation of application program, it is determined that the feature of the data message received
The corresponding application program of information；
The bandwidth according to shared by the data message of the application program received, determines the current desired bandwidth of the application program；
If desired the current desired bandwidth sum of multiple application programs of distribution bandwidth is more than currently available bandwidth, then will be current
The first bandwidth in available bandwidth distributes to the application program of highest priority, and according to priority by currently available bandwidth
In the second bandwidth allocation to other applications, wherein, the first band is wider than second bandwidth.
2. the method as described in claim 1, it is characterised in that the band according to shared by the data message of the application program received
Width, determines the current desired bandwidth of the application program, including：
The bandwidth according to shared by the data message of the application program received in continuous N number of cycle before, determines current period
Bandwidth needed for the interior application program；
Wherein, N is positive integer.
3. the method as described in claim 1, it is characterised in that
According to the second corresponding relation of application program and priority, the corresponding priority of the application program is determined.
4. method as claimed in claim 3, it is characterised in that this method also includes：
After it is determined that the traffic characteristic of the application program meets update condition, in second corresponding relation, this it is described should
It is adjusted with the corresponding priority of program.
5. method as claimed in claim 4, it is characterised in that the traffic characteristic of the application program includes following part or complete
Portion：
The uninterrupted of data message；
The quantity of data message；
The transmitting-receiving frequency of data message；
The time that data message is produced.
6. a kind of method of control of network flow quantity, it is characterised in that this method includes：
Background server receives the characteristic information of the data message from network access device；
The background server determines the feature according to application program and the first corresponding relation of the characteristic information of data message
The corresponding application program of information；
The background server is by network access device described in the application notification of determination, so that the network access device exists
, will be currently available when the bandwidth sum for needing the multiple application programs for distributing bandwidth current desired is more than currently available bandwidth
The first bandwidth in bandwidth distributes to the application program of highest priority, and according to priority by currently available bandwidth
Two bandwidth allocations to other applications, wherein, the first band is wider than second bandwidth.
7. a kind of device of control of network flow quantity, it is characterised in that the device includes：
Determining unit, for the characteristic information according to data message and the first corresponding relation of application program, it is determined that receive
The corresponding application program of characteristic information of data message；
Bandwidth determining unit, for bandwidth shared by the data message according to the application program received, determines the application program
Current desired bandwidth；
Bandwidth allocation element, the current desired bandwidth sum of multiple application programs for if desired distributing bandwidth, which is more than, currently may be used
Bandwidth, then distribute to the first bandwidth in currently available bandwidth the application program of highest priority, and according to preferential
Level by the second bandwidth allocation in currently available bandwidth to other applications, wherein, the first band is wider than described the
Two bandwidth.
8. device as claimed in claim 7, it is characterised in that the bandwidth determining unit specifically for：
The bandwidth according to shared by the data message of the application program received in continuous N number of cycle before, determines current period
Bandwidth needed for the interior application program；Wherein, N is positive integer.
9. device as claimed in claim 7, it is characterised in that the bandwidth allocation element should according to being determined following manner
With the priority of program：
According to the second corresponding relation of application program and priority, the corresponding priority of the application program is determined.
10. device as claimed in claim 9, it is characterised in that the bandwidth allocation element determines institute always according to following manner
State the priority of application program：
After it is determined that the traffic characteristic of the application program meets update condition, in second corresponding relation, this it is described should
It is adjusted with the corresponding priority of program.
11. device as claimed in claim 10, it is characterised in that the traffic characteristic of the application program include following part or
All：
The uninterrupted of data message；The quantity of data message；The transmitting-receiving frequency of data message；Data message produce when
Between.
12. a kind of device of control of network flow quantity, it is characterised in that the device includes：
Receiving unit, the characteristic information for receiving the data message from network access device；
Application program determining unit, for the first corresponding relation according to application program and the characteristic information of data message, it is determined that
The corresponding application program of the characteristic information；
Application assigned bandwidth unit, for network access device described in the application notification by determination, so that the net
Network connects equipment when the bandwidth sum for needing the multiple application programs for distributing bandwidth current desired is more than currently available bandwidth,
The first bandwidth in currently available bandwidth is distributed to the application program of highest priority, and will be currently available according to priority
Bandwidth in the second bandwidth allocation to other applications, wherein, the first band is wider than second bandwidth.
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| CN201410215626.4A CN103986715B (en) | 2014-05-21 | 2014-05-21 | A kind of method and device of control of network flow quantity |
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| CN201410215626.4A CN103986715B (en) | 2014-05-21 | 2014-05-21 | A kind of method and device of control of network flow quantity |
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