CN102546412A - Flow control method and flow controller - Google Patents
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- CN102546412A CN102546412A CN2012100007779A CN201210000777A CN102546412A CN 102546412 A CN102546412 A CN 102546412A CN 2012100007779 A CN2012100007779 A CN 2012100007779A CN 201210000777 A CN201210000777 A CN 201210000777A CN 102546412 A CN102546412 A CN 102546412A
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Abstract
The embodiment of the invention discloses a flow control method and a flow controller, which is applied in the technical field of communication. The flow control method comprises the following steps: a virtual interface of the flow controller receives a message with a mark, and sends the message to a filter; the filter of the flow controller receives the message with the mark from the virtual interface, and distributes the message to a category queue corresponding to the mark; and the category queue of the flow controller outputs the message in the category queue according to the flow set by the category queue. The flow control method and the flow controller provided by the embodiment of the invention can guarantee the flow of a terminal device used by a user.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of flow control methods and flow controller.
Background technology
Along with developing rapidly of network, adopt the method for flow control to go to guarantee that perhaps the limiting network user downloads the flow of perhaps uploading data in the communication technology, be also referred to as dispatching algorithm; Main dispatching algorithm has First Input First Output (FIFO, First Input First Output), (PQ of priority query at present; Priority Queue); Customization formation (CQ, Customized Queue), Weighted Fair Queuing (WFQ; Weighted Fair Queuing) and weighting round-robin scheduling algorithm (WRR, Weighted Round Robin) etc.
Fifo queue is that the order that arrives input interface according to message is carried out formation when the flow of input interface in the controller during greater than the flow of output interface, and output interface arrives the message output earlier of input interface earlier according to the order outgoing message of formation then.
The flow that makes the user can use through terminal equipment like this receives other terminal equipment influence, and the flow that other terminal equipment can use when section terminating equipment takies flow can not get guaranteeing.
Summary of the invention
The embodiment of the invention provides and can make the user pass through guaranteed flow control methods of flow and flow controller that terminal equipment uses.
A kind of flow control methods comprises: the virtual interface of flow controller receives and has the message of mark, and sends to filter; The message that the message that has mark of the filter reception virtual interface of flow controller also will have mark is distributed in the corresponding classification queue of mark; The classification queue of flow controller is provided with the message in this classification queue according to this classification queue flow output.
A kind of flow controller is characterized in that, comprising: virtual interface is used to receive the message that has mark, and sends to filter; At least one filter is connected with virtual interface, and the message that is used for receiving the message that has mark of virtual interface and will have mark is distributed to the corresponding classification queue of mark, the corresponding one or more classification queues of each filter; At least one classification queue connects with corresponding filter, and each classification queue is provided with corresponding flow, is used for the message of this classification queue is exported by flow set.
In the technical scheme that the embodiment of the invention provides; The message that different user is uploaded or downloaded through terminal equipment has different markers; Flow controller receives the message that has mark, and the message that will have mark is distributed in the corresponding classification queue of mark, classification queue is provided with message according to this classification queue flow output; Different users uses different classification queues, makes the flow of the message that different terminal equipment is uploaded or downloaded to be guaranteed.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow control methods first embodiment sketch map in the embodiment of the invention;
Fig. 2 is the flow control methods second embodiment sketch map in the embodiment of the invention;
Fig. 3 is flow control methods the 3rd an embodiment sketch map in the embodiment of the invention;
Fig. 4 is a flow controller embodiment sketch map in the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides flow control methods and flow controller.Be used to make user's use traffic to be guaranteed.Be elaborated respectively below.
See also Fig. 1, flow control methods first embodiment comprises in the embodiment of the invention:
101, the virtual interface of flow controller receives and has the message of mark, and sends to filter;
The message that the user downloads or uploads through terminal equipment before getting into flow controller, all be added can the unique identification user mark, virtual interface receives and has the message of mark, and send to filter.
102, the filter of the flow controller message that receives the message that has mark of virtual interface and will have a mark is distributed in the corresponding classification queue of mark;
When filter receives the message that has mark, in filter, search the corresponding classification queue of this mark, and this message that has mark is sent in the classification queue corresponding with this mark.
103, the classification queue of flow controller is exported the message in this classification queue according to the flow that this classification queue is provided with.
Different classification queues can be provided with different flows; The message of all these classification queues of input can be exported according to the flow that this classification queue is provided with; The flow that is provided with greater than classification queue when the flow of the message of a classification queue of input, the then message of this class-based queuing of output input.
In the present embodiment; The message that different user is uploaded or downloaded through terminal equipment has different markers; Flow controller receives the message that has mark, and the message that will have mark is distributed in the corresponding classification queue of mark, classification queue is provided with message according to this classification queue flow output; The classification queue that different markers is corresponding different makes the flow of the message that different terminal equipment is uploaded or downloaded to be guaranteed.
See also Fig. 2, flow control methods second embodiment comprises in the embodiment of the invention:
201, judge whether initialization, if be judged as be that then execution in step 204, if be judged as not, then execution in step 202;
If judge and to carry out initialization, then launch flow controller and in flow controller, be provided with and comprise and add classification queue and filter, if judge and do not carry out initialization, then remove the data in the flow controller, comprise deletion classification queue and filter.
202, all filters of deletion in flow controller, and execution in step 203;
203, all classification queues of deletion in flow controller, and finish the flow control flow process.
204, in flow controller, add at least one classification queue;
Carry out initialization if judge; Then launch flow controller; In flow controller, add at least one classification queue, classification queue is used for the message of this classification queue is exported by flow set, and different classification queues has different flow set; And the mark of corresponding this classification queue of unique identification of each class-based queuing, each classification queue is provided with flow maximum that is used for limited flow and the flow minimum value that is used for dependable flow.
205, in flow controller, add at least one filter;
Filter is used for the message that has mark is distributed to the corresponding classification queue of mark; In flow controller, add at least one filter; Make corresponding at least one classification queue of each filter, and make the mark of corresponding this classification queue of unique identification of classification queue in the filter.
206, judge whether to revise the flow set of classification queue, if be judged as be, then execution in step 207, if be judged as not, then execution in step 211;
Following steps 207 to 210 are for revising a kind of method of classification queue flow set; Delete old classification queue and add new classification queue; Because each classification queue is all corresponding with mark in the filter, therefore deletes the preceding deletion earlier of the classification queue filter corresponding and after adding new classification queue, add new filter with this classification queue.
207, deletion and needs are revised the corresponding filter of traffic classification formation in flow controller;
208, the classification queue of deletion needs modification flow in flow controller;
209, in flow controller, add new classification queue;
New classification queue is provided with flow maximum different with the classification queue of deleting or flow minimum value.
210, in flow controller, add the new filter corresponding with new classification queue;
In new filter, make the mark of class-based queuing of said deletion corresponding, and corresponding other classification queues of deleted filter are arranged in the new filter with new classification queue.
211, router receives the message that the terminal equipment of lan interfaces is uploaded;
The user uploads message through terminal equipment to lan interfaces, and router receives the message that lan interfaces is uploaded.
212, router is that message adds different markers according to the different local area interface, outputs to Wide Area Network interface;
Router is the message interpolation mark relevant with this lan interfaces of this lan interfaces according to the different local area interface; Can be to add relevant mark according to the message that upload for this address the address of lan interfaces; All messages that the terminal equipment of this lan interfaces is uploaded all have the mark relevant with this lan interfaces, and message is outputed to Wide Area Network interface.
213, Wide Area Network interface will have mark message redirecting to virtual interface;
Wide Area Network interface is redirected to the virtual interface of flow controller, and the message at Wide Area Network interface place all is input in the uplink traffic controller, and the message that terminal equipment is uploaded carries out flow control.
214, the virtual interface of flow controller receives and has the message of mark, and sends to filter;
Said flow controller is the uplink traffic controller, and the message that is used for the user is uploaded carries out flow control.
215, the filter of the flow controller message that receives the message that has mark of virtual interface and will have a mark is distributed in the corresponding classification queue of mark;
The corresponding one or more classification queues of each filter; When filter received the message that has mark, if having classification queue corresponding with this mark in this filter, then this filter message that will have a mark was distributed in the classification queue of mark correspondence; If do not have classification queue corresponding in this filter with this mark; Then transfer to another filter and handle, if all filters all less than corresponding with this mark, then can be distributed to the message of this mark in the default categories formation; Said default categories formation is not provided with flow restriction, and the message flow through the default categories formation can not get guaranteeing.
216, the classification queue of flow controller is exported the message in this classification queue according to the flow that this classification queue is provided with.
Different classification queues can have different flow set; Each classification queue is provided with flow maximum that is used for limited flow and the flow minimum value that is used for dependable flow; The flow of the message that receives when classification queue is during greater than the flow maximum; Classification queue is no more than the flow maximum by the flow of the message of flow set output; The flow of the message that receives when classification queue is during less than the flow minimum value, and classification queue is the flow of the message that receives of classification queue by the flow of the message of flow set output, if be provided with the default categories formation in the flow controller; Then in flow controller, residual flow is arranged; The classification queue flow that promptly has is not used up, and then the message in the default categories formation is according to the output of the size of residual flow, and flow controller outputs to corresponding Wide Area Network interface place with the message of classification queue output according to the address of the Wide Area Network interface that receives message.
In the present embodiment; Lan interfaces according to different terminal equipment uses is different, is the message interpolation different markers of different local area interface, and flow controller receives the message that has mark; The message that will have mark is distributed in the corresponding classification queue of mark; Classification queue is provided with message according to this classification queue flow output, the flow of classification queue setting comprises flow maximum and flow minimum value, can limit and guarantee the message flow of this classification queue; The message of different markers uses different classification queues; The flow that makes different terminal equipment upload is guaranteed, and present embodiment has specified the flow control methods that message is uploaded, and the flow control methods of downloading in the face of message down is elaborated.
See also Fig. 3, flow control methods the 3rd embodiment comprises in the embodiment of the invention:
301, judge whether initialization, if be judged as be that then execution in step 304, if be judged as not, then execution in step 302;
If judge and to carry out initialization, then launch flow controller and in flow controller, be provided with and comprise and add classification queue and filter, if judge and do not carry out initialization, then remove the data in the flow controller, comprise deletion classification queue and filter.
302, all filters of deletion in flow controller, and execution in step 203;
303, all classification queues of deletion in flow controller, and finish the flow control flow process.
304, in flow controller, add at least one classification queue;
Carry out initialization if judge; Then launch flow controller; In flow controller, add at least one classification queue, classification queue is used for the message of this classification queue is exported by flow set, and different classification queues has different flow set; And the mark of corresponding this classification queue of unique identification of each class-based queuing, each classification queue is provided with flow maximum that is used for limited flow and the flow minimum value that is used for dependable flow.
305, in flow controller, add at least one filter, make each classification queue all to a filter should be arranged;
Filter is used for the message that has mark is distributed to the corresponding classification queue of mark; In flow controller, add at least one filter, make corresponding at least one classification queue of each filter, and make the mark of corresponding this classification queue of unique identification of classification queue in the filter.
306, judge whether to revise the flow set of classification queue, if be judged as be, then execution in step 307, if be judged as not, then execution in step 311;
Following steps 307 to 310 are for revising a kind of method of classification queue flow set; Delete old classification queue and add new classification queue; Because each classification queue is all corresponding with mark in the filter, therefore deletes the preceding deletion earlier of the classification queue filter corresponding and after adding new classification queue, add new filter with this classification queue.
307, deletion and needs are revised the corresponding filter of traffic classification formation in flow controller;
308, the classification queue of deletion needs modification flow in flow controller;
309, in flow controller, add new classification queue;
New classification queue is provided with flow maximum different with the classification queue of deleting or flow minimum value.
310, in flow controller, add the new filter corresponding with new classification queue;
In new filter, make the mark of class-based queuing of said deletion corresponding, and corresponding other classification queues of deleted filter are arranged in the new filter with new classification queue.
311, router receives the message that Wide Area Network interface provides;
The message that the user downloads through terminal equipment is transferred to router by Wide Area Network interface, and router receives the message that Wide Area Network interface provides.
312, router is that message adds different markers according to different Wide Area Network interface, outputs to lan interfaces;
Router is the message interpolation mark relevant with this Wide Area Network interface of this Wide Area Network interface according to different Wide Area Network interface; Can be to add relevant mark according to the message that upload for this address the address of Wide Area Network interface; Make all messages of this Wide Area Network interface all have the mark relevant, and message is outputed to lan interfaces with this Wide Area Network interface.
313, lan interfaces will have mark message redirecting to virtual interface;
Lan interfaces is redirected to the virtual interface of flow controller, and the message at lan interfaces place all is input in the downlink traffic controller, and the message that terminal equipment is downloaded carries out flow control.
314, the virtual interface of flow controller receives and has the message of mark, and sends to filter;
Said flow controller is the downlink traffic controller, is used for the message of user's download is carried out flow control.
315, the filter of the flow controller message that receives the message that has mark of virtual interface and will have a mark is distributed in the corresponding classification queue of mark;
The corresponding one or more classification queues of each filter; When filter received the message that has mark, if having classification queue corresponding with this mark in this filter, then this filter message that will have a mark was distributed in the classification queue of mark correspondence; If do not have classification queue corresponding in this filter with this mark; Then transfer to another filter and handle, if all filters all less than corresponding with this mark, then can be distributed to the message of this mark in the default categories formation; Said default categories formation is not provided with flow restriction, and the message flow through the default categories formation can not get guaranteeing.
316, the classification queue of flow controller is exported the message in this classification queue according to the flow that this classification queue is provided with.
Different classification queues can have different flow set; Each classification queue is provided with flow maximum that is used for limited flow and the flow minimum value that is used for dependable flow; The flow of the message that receives when classification queue is during greater than the flow maximum; Classification queue is no more than the flow maximum by the flow of the message of flow set output; The flow of the message that receives when classification queue is during less than the flow minimum value; Classification queue is exported message if be provided with the default categories formation in the flow controller by the flow of the message that receives, and then in flow controller, residual flow is arranged, and the classification queue flow that promptly has is not used up; Then the message in the default categories formation is according to the output of the size of residual flow, and flow controller outputs to corresponding lan interfaces place with the message of classification queue output according to the address of the lan interfaces that receives message.
In the present embodiment; Wide Area Network interface according to different terminal equipment uses is different, is the message interpolation different markers of different Wide Area Network interface, and flow controller receives the message that has mark; The message that will have mark is distributed in the corresponding classification queue of mark; Classification queue is provided with message according to this classification queue flow output, the flow of classification queue setting comprises flow maximum and flow minimum value, can limit and guarantee the message flow of this classification queue; The message of different markers uses different classification queues, makes the flow of different terminal device downloads be guaranteed.
See also that flow controller embodiment comprises in Fig. 4, the embodiment of the invention:
In the present embodiment; The message that different user is uploaded or downloaded through terminal equipment has different markers; Flow controller receives the message that has mark, and the message that will have mark is distributed in the corresponding classification queue of mark, classification queue is provided with message according to this classification queue flow output; The classification queue that different markers is corresponding different makes the flow of the message that different terminal equipment is uploaded or downloaded to be guaranteed.
More than flow control methods and flow controller that the embodiment of the invention provided have been carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1. a flow control methods is characterized in that, comprising:
The virtual interface of flow controller receives and has the message of mark, and sends to filter;
The message that the message that has mark of the filter reception virtual interface of flow controller also will have mark is distributed in the corresponding classification queue of mark;
The classification queue of flow controller is provided with the message in this classification queue according to this classification queue flow output.
2. flow control methods according to claim 1 is characterized in that, said flow controller is the uplink traffic controller, and the step that the virtual interface of said flow controller receives the message that has mark comprises before:
The message that the terminal equipment of router reception lan interfaces is uploaded;
Router is that message adds different markers according to the different local area interface, outputs to Wide Area Network interface;
Wide Area Network interface will have the message redirecting of mark to virtual interface.
3. flow control methods according to claim 1 is characterized in that, said flow controller is the downlink traffic controller, and the step that the virtual interface of said flow controller receives the message that has mark comprises before:
Router receives the message that Wide Area Network interface provides;
Router is that message adds different markers according to different Wide Area Network interface, outputs to lan interfaces;
Lan interfaces will have the message redirecting of mark to virtual interface.
4. flow control methods according to claim 1; It is characterized in that said classification queue has one at least, different classification queues has different flow set; Corresponding different markers; Each classification queue is provided with the flow maximum that is used for limited flow, and the flow of the message that receives when classification queue is during greater than the flow maximum, and classification queue is no more than the flow maximum by the flow of the message of flow set output.
5. flow control methods according to claim 4; It is characterized in that; Said classification queue is provided with the flow minimum value that is used for dependable flow; The flow of the message that receives when classification queue is during less than the flow minimum value, and classification queue is the flow of the message that receives of classification queue by the flow of the message of flow set output.
6. flow control methods according to claim 5 is characterized in that, said filter has one at least; The corresponding one or more classification queues of each filter; When filter received the message that has mark, if having class-based queuing corresponding with this mark in this filter, then this filter message that will have a mark was distributed in the classification queue of mark correspondence; If do not have classification queue corresponding in this filter, then transfer to another filter and handle with this mark.
7. flow control methods according to claim 6 is characterized in that, the virtual interface of said flow controller comprises before receiving the message that has mark:
Judge whether flow controller is carried out initialization, if be judged as be, then execution comprises:
In flow controller, add at least one classification queue;
In flow controller, add at least one filter, corresponding at least one classification queue of each filter;
If be judged as not, then execution comprises:
All filters of deletion in flow controller;
All classification queues of deletion in flow controller, and finish the flow control flow process.
8. flow control methods according to claim 7 is characterized in that, flow controller is carried out comprising after the initialized step judging whether:
Judge whether to revise the flow set of class-based queuing, if be judged as be, then execution comprises:
Deletion and the corresponding filter of class-based queuing that needs to revise flow in flow controller;
Deletion needs to revise the class-based queuing of flow in flow controller;
In flow controller, add new classification queue, said new classification queue is provided with flow maximum different with the classification queue of deleting or flow minimum value;
In flow controller, add the new filter corresponding with new class-based queuing; In new filter, make the mark of class-based queuing of said deletion corresponding, and corresponding other classification queues of deleted filter are arranged in the new filter with new classification queue.
9. a flow controller is characterized in that, comprising:
Virtual interface is used to receive the message that has mark, and sends to filter;
At least one filter is connected with virtual interface, and the message that is used for receiving the message that has mark of virtual interface and will have mark is distributed to the corresponding classification queue of mark, the corresponding one or more classification queues of each filter;
At least one classification queue connects with corresponding filter, and each classification queue is provided with corresponding flow, is used for the message of this classification queue is exported by flow set.
10. flow controller according to claim 9; It is characterized in that; Said classification queue is provided with the flow maximum that is used for limited flow; The flow of the message that receives when classification queue is during greater than the flow maximum, and classification queue is no more than the flow maximum by the flow of the message of flow set output.
11. flow controller according to claim 10; It is characterized in that; Said classification queue is provided with the flow minimum value that is used for dependable flow; The flow of the message that receives when classification queue is during less than the flow minimum value, and classification queue is the flow of the message that receives of classification queue by the flow of the message of flow set output.
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