CN103501541A - Bandwidth allocation method and device, and file transmission method and device - Google Patents
Bandwidth allocation method and device, and file transmission method and device Download PDFInfo
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Abstract
The invention discloses a bandwidth allocation method and device, and a file transmission method and device. The bandwidth allocation method is applied to satellite networks with multiple transmission channels and includes the steps of arranging different priorities for each transmission channel, carrying out sorting on the multiple transmission channels which will carry out file transmission according to the arranged priorities for each transmission channel, and allocating bandwidths matched with transmitted files on the multiple transmission channels which will carry out file transmission in sequence according to sorting results. According to the bandwidth allocation method, idle bandwidths can be used for other transmission channels, therefore, empty packages can be avoided, and the utilization rate of the bandwidths can be improved.
Description
Technical field
The present invention relates to the satellite network field, be specifically related to a kind of bandwidth allocation methods and device, and a kind of document transmission method and device.
Background technology
Satellite communication is one of important application of satellite network, satellite communication have cover wide, allocated bandwidth is flexible, resource utilization is high, the user accesses convenient and is not subject to the advantage such as various regional condition restrictions, applied widely, and can meet the demand that mass data is communicated by letter.Therefore, the satellite communication system also can play a significant role in network application.
Above mention that satellite network can be applied to transfer of data, the scheme of current common employing is that total bandwidth is distributed to different transmission channels, the bandwidth value that each transmission channel can be used is predefined, once set, just remains unchanged, and the bandwidth sum of each transmission channel equals total bandwidth.
But, adopting existing bandwidth allocation methods, the available bandwidth of transmission channel is fixed, and the bandwidth availability ratio of some transmission channel is lower, has wasted massive band width, but can not be by idle bandwidth for other transmission channels.The generation that this has just caused empty bag, make the bandwidth availability ratio of satellite network lower, can not take full advantage of satellite network resources.
Summary of the invention
In view of the above problems, proposed the present invention in order to provide a kind of and overcome the problems referred to above or the bandwidth allocation methods addressed the above problem at least in part and device, and a kind of document transmission method and device.
According to one aspect of the present invention, a kind of bandwidth allocation methods is provided, be applied to have the satellite network of many transmission channels, comprising:
For each transmission channel arranges different priority;
According to the priority of each transmission channel arranged, many transmission channels that are about to carry out file transfer are sorted;
According to ranking results, be followed successively by the bandwidth that described many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary.
Alternatively, the allocation step of described bandwidth is as follows:
Distribute and ensure bandwidth for each transmission channel, wherein, described guarantee bandwidth refers to broadcast the corresponding bandwidth of file speed lower limit in the transfer files process;
To remove the guarantee bandwidth in total bandwidth, obtain distributing bandwidth;
According to described ranking results, utilize and describedly distribute bandwidth to be followed successively by described many transmission channels that are about to carry out file transfer to carry out allocated bandwidth.
Alternatively, the priority of each transmission channel that described basis has arranged, sorted to many transmission channels that are about to carry out file transfer, comprising:
According to the priority of each transmission channel arranged, from high to low many transmission channels that are about to carry out file transfer are sorted.
Alternatively, the bandwidth of distributing for every transmission channel is no more than high bandwidth, and wherein, described high bandwidth refers to broadcast the corresponding bandwidth of file rate-limit in the transfer files process.
According to another aspect of the present invention, a kind of document transmission method is provided, be applied to have the satellite network of many transmission channels, comprising:
For each transmission channel arranges different priority;
According to the priority of each transmission channel arranged, many transmission channels that are about to carry out file transfer are sorted;
According to ranking results, be followed successively by the bandwidth that described many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary;
Utilize the bandwidth of having distributed to transmit corresponding document on transmission channel.
Alternatively, the bandwidth that described utilization has distributed is transmitted corresponding document on transmission channel, comprising:
If the file of transmission all is less than the first setting threshold, a plurality of files are encapsulated as to a file bag; And
Utilize the described file bag of bandwidth for transmission distributed in a transmission channel.
Alternatively, described a plurality of files are encapsulated as to a file bag, comprise: utilize push packing agreement that a plurality of files are encapsulated as to a file bag.
Alternatively, the bandwidth that described utilization has distributed is transmitted corresponding document on transmission channel, comprising:
If the file of transmission is greater than the second setting threshold,, by the packing of this document burst, utilize different transmission channels to send respectively, wherein, described the second setting threshold is greater than described the first setting threshold;
Accordingly, the recipient receives a plurality of packets from each transmission channel, and it is combined as to this document.
According to another aspect of the present invention, a kind of allocated bandwidth device is provided, the satellite network that is applied to have many transmission channels comprises:
Module is set, is configured to each transmission channel different priority is set;
Order module, be configured to the priority according to each transmission channel of having arranged, and many transmission channels that are about to carry out file transfer are sorted;
Distribution module, be configured to according to ranking results, is followed successively by the bandwidth that described many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary.
According to another aspect of the present invention, a kind of file transfer means is provided, be applied to have the satellite network of many transmission channels, comprise allocated bandwidth device claimed in claim 9, also comprise:
Transport module, be configured to utilize the bandwidth of having distributed to transmit corresponding document on transmission channel.
In embodiments of the present invention, be provided with different priority for different transmission channels.When some transmission channels are about to carry out file transfer, are sorted according to the priority arranged, and then distributed according to ranking results the bandwidth be complementary with the file transmitted.As can be seen here, in the embodiment of the present invention, the bandwidth of each transmission channel is not fixed allocation, but carry out dynamic assignment according to priority and file size, make bandwidth to be fully utilized, avoid occurring that some passage is accounting for bandwidth and still do not carrying out the situation of file transfer, idle bandwidth can be used for to other transmission channels, thereby avoid the generation of empty bag, improve the utilance of bandwidth.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention.
The accompanying drawing explanation
By reading hereinafter detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing is only for the purpose of preferred implementation is shown, and do not think limitation of the present invention.And, in whole accompanying drawing, by identical reference symbol, mean identical parts.In the accompanying drawings:
Fig. 1 shows the process chart of bandwidth allocation methods according to an embodiment of the invention;
Fig. 2 shows the process chart of allocated bandwidth according to an embodiment of the invention;
Fig. 3 shows a kind of process chart of preferred bandwidth allocation methods according to an embodiment of the invention;
Fig. 4 shows the process chart of document transmission method according to an embodiment of the invention;
Fig. 5 shows the schematic diagram of satellite network file transfer environment according to an embodiment of the invention;
Fig. 6 shows the structural representation of allocated bandwidth device according to an embodiment of the invention;
Fig. 7 shows the structural representation of file transfer means according to an embodiment of the invention; And
Fig. 8 shows the structural representation of satellite delivery system front terminal system the delivery of files device according to an embodiment of the invention.
Embodiment
The algorithm provided at this is intrinsic not relevant to any certain computer, virtual system or miscellaneous equipment with demonstration.Various general-purpose systems also can with based on using together with this teaching.According to top description, it is apparent constructing the desired structure of this type systematic.In addition, the present invention is not also for any certain programmed language.It should be understood that and can utilize various programming languages to realize content of the present invention described here, and the top description that language-specific is done is in order to disclose preferred forms of the present invention.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of bandwidth allocation methods, can be applied to have the satellite network of many transmission channels.Fig. 1 shows the process chart of bandwidth allocation methods according to an embodiment of the invention.Referring to Fig. 1, bandwidth allocation methods at least comprises that step S102 is to step S106:
Step S102, different priority is set for each transmission channel;
Step S104, according to the priority of each transmission channel of having arranged, many transmission channels that are about to carry out file transfer are sorted;
Step S106, according to ranking results, be followed successively by the bandwidth that many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary.
In embodiments of the present invention, be provided with different priority for different transmission channels.When some transmission channels are about to carry out file transfer, are sorted according to the priority arranged, and then distributed according to ranking results the bandwidth be complementary with the file transmitted.As can be seen here, in the embodiment of the present invention, the bandwidth of each transmission channel is not fixed allocation, but carry out dynamic assignment according to priority and file size, make bandwidth to be fully utilized, avoid occurring that some passage is accounting for bandwidth and still do not carrying out the situation of file transfer, idle bandwidth can be used for to other transmission channels, thereby avoid the generation of empty bag, improve the utilance of bandwidth.
Arranging of the priority of mentioning in step S102 can have multiple method to set up, for example, can utilize the different priority of Digital ID, also can utilize English alphabet to identify different priority, can also utilize other can mark other mark and carry out the different priorities sign.Cite a plain example, can use digital 0-8 to mean nine grades of priority, wherein, the 0th, limit priority, the like, the 8th, lowest priority.
Wherein, Fig. 2 shows the process chart of allocated bandwidth according to an embodiment of the invention.Referring to Fig. 2, the concrete steps of the allocated bandwidth of mentioning in step S106 comprise that step S202 is to step S206:
Step S202, be that each transmission channel is distributed and ensure bandwidth;
Wherein, the guarantee bandwidth of mentioning in step S202 refers to broadcast the corresponding bandwidth of file speed lower limit in the transfer files process.Each transmission channel has corresponding guarantee bandwidth.
Step S204, will remove the guarantee bandwidth in total bandwidth, obtain distributing bandwidth.
Step S206, according to ranking results, utilization can distribute bandwidth to be followed successively by be about to many transmission channels of carrying out file transfer to carry out allocated bandwidth.
Step can be found out as shown in Figure 2, and each transmission channel has certain guarantee bandwidth, then, according to the situation of transmission channel, distributes successively assignable part bandwidth.Certainly, because total bandwidth is limited, therefore, can distribute bandwidth and the sum that ensures bandwidth is can not surpass total bandwidth.
Due to priority, to have height to have low, and corresponding ranking results may have multiple, for example, according to priority, is sorted from high to low, also may be sorted from low to high, and may be also to be divided into a plurality of parts, at every partial interior, sorted etc.In a preferred embodiment of the invention, for convenience of timely transmission vital document, can be according to the priority of each transmission channel arranged, from high to low many transmission channels that are about to carry out file transfer are sorted.When having file to transmit, preferentially use the transmission channel that priority is higher.
Certainly, owing to can distributing bandwidth can not surpass total bandwidth, and, in prior art, the speed of broadcasting of file has limitation, therefore, for guaranteeing the fail safe of file transfer, the embodiment of the present invention is that bandwidth that every transmission channel is distributed is no more than high bandwidth, and wherein, high bandwidth refers to broadcast the corresponding bandwidth of file rate-limit in the transfer files process.It should be noted that, ensure that bandwidth and the difference of high bandwidth can be called the bandwidth difference, concrete, bandwidth difference=high bandwidth-guarantee bandwidth.
For further guaranteeing that the availability of bandwidth, the embodiment of the present invention adopt periodically allocated bandwidth mode, for example can take 1 second as the cycle, per second carries out allocated bandwidth one time.
Clearer clearer for the bandwidth allocation methods elaboration ground that the embodiment of the present invention is provided, now with specific embodiment, describe.Fig. 3 shows a kind of process chart of preferred bandwidth allocation methods according to an embodiment of the invention.Referring to Fig. 3, this process chart comprises that step S302 is to step S314.
After starting bandwidth allocation methods, execution step S302, arrange needs the transmission channel polymerization of priority, sets up the passage set.
Step S304, be that each transmission channel in the passage set is distributed and ensured bandwidth.
Step S306, set up the priority barrel structure for each transmission channel in the passage set.
Step S308, for example, from limit priority (0), traversal priority bucket.
Step S310, distribute remaining bandwidth (can distribute bandwidth) for the transmission channel in the current priority bucket traversed.
Step S312, judge whether also to possess remaining bandwidth, if, execution step S314, if not, this allocated bandwidth finishes.
Step S314, judge whether the traversal of priority bucket completes, if this allocated bandwidth finishes, and if not, goes to step S308, continue to carry out traversing operation.
Based on same inventive concept, the embodiment of the present invention also provides a kind of document transmission method, is applied to have the satellite network of many transmission channels.Fig. 4 shows the process chart of document transmission method according to an embodiment of the invention, comprises that step S402 is to step S408:
Step S402, different priority is set for each transmission channel;
Step S404, according to the priority of each transmission channel of having arranged, many transmission channels that are about to carry out file transfer are sorted;
Step S406, according to ranking results, be followed successively by the bandwidth that many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary;
The bandwidth that step S408, utilization have distributed is transmitted corresponding document on transmission channel.
In embodiments of the present invention, be provided with different priority for different transmission channels.When some transmission channels are about to carry out file transfer, are sorted according to the priority arranged, and then distributed according to ranking results the bandwidth be complementary with the file transmitted.As can be seen here, in the embodiment of the present invention, the bandwidth of each transmission channel is not fixed allocation, but carry out dynamic assignment according to priority and file size, make bandwidth to be fully utilized, avoid occurring that some passage is accounting for bandwidth and still do not carrying out the situation of file transfer, idle bandwidth can be used for to other transmission channels, thereby avoid the generation of empty bag, improve the utilance of bandwidth.Subsequently, the bandwidth of utilizing aforesaid way to distribute is transmitted corresponding document on transmission channel, can distribute bandwidth according to the big or small adaptability of file in time, fully meets the needed bandwidth of file transfer, and can avoid the waste of bandwidth.
Fig. 5 shows the schematic diagram of satellite network file transfer environment according to an embodiment of the invention.In Fig. 5, the machine of broadcasting is packed data, then the signal modulation is sent to upper satellite, and satellite forwards the data to the satellite receiver of various places, by satellite receiver, receives data storage, carries out corresponding broadcasting after treating.Be issued to satellite in data (respective file) by the machine of broadcasting, and be sent to satellite receiver by satellite, all need to consider the transmission problem of file.
Consider that file itself is not of uniform size, if file is less, all will calls a transmission channel at every turn it is transmitted, when quantity of documents is larger, can cause the slower situation of transmission speed.Therefore, the embodiment of the present invention provides a kind of settling mode, and the file and the first setting threshold that are about to transmission compare, if be less than this first setting threshold, a plurality of files can be packaged into to a file bag, and then utilize the bandwidth for transmission this document bag distributed in a transmission channel.A plurality of files are transmission simultaneously in a transmission channel, has accelerated file transfer speed, has also increased bandwidth availability ratio simultaneously.
In satellite network, preferably use push packing agreement that a plurality of files are encapsulated as to a file bag.Push packing agreement is applicable to small documents and processes, and can realize the fully multiplexing of multifile, takies a small amount of protocol header, takies bandwidth still less during transmission, further improves bandwidth availability ratio.
Less file is arranged, and corresponding must have larger file, the satellite television programming that for example user often uses at present, and programme information is just larger.The quantity of Single document is larger, even may occur that total bandwidth also can't meet the situation of the transmission of this document, can cause the file transfer failure.For solving this technical problem, the embodiment of the present invention provides a kind of solution, and the file and the second setting threshold that are about to transmission compare, if the file of transmission is greater than the second setting threshold,, by the packing of this document burst, utilize different transmission channels to send respectively.Accordingly, recipient's (for example satellite receiver of various places) receives a plurality of packets from each transmission channel, and it is combined as to this document.Wherein, the second setting threshold will be far longer than the first setting threshold.
Based on same inventive concept, the embodiment of the present invention also provides a kind of allocated bandwidth device, the satellite network that is applied to have many transmission channels.Fig. 6 shows the structural representation of allocated bandwidth device according to an embodiment of the invention.Referring to Fig. 6, allocated bandwidth device 600 at least comprises:
Based on same inventive concept, the embodiment of the present invention also provides a kind of file transfer means, is applied to have the satellite network of many transmission channels.Fig. 7 shows the structural representation of file transfer means according to an embodiment of the invention.Referring to Fig. 7, this document transmitting device 700 comprises the allocated bandwidth device 600 shown in Fig. 6, also comprises:
Clearer clearer for the elaboration of the process by above-mentioned allocated bandwidth and file transfer ground, the embodiment of the present invention also provides respective description from hardware point of view.Fig. 8 shows the structural representation of satellite delivery system front terminal system the delivery of files device according to an embodiment of the invention.
In the present embodiment, the engine modules 800 of broadcasting in satellite delivery system front terminal system is divided into to parameter processing module 810, statistic multiplexing module 820, data encapsulation module 830, broadcasts driver module 840, data transmission blocks 850, state pushing module 860.
Wherein, playing driver module 840 can scheduling parameter processing module 810, statistic multiplexing module 820 and data encapsulation module 830.
Store the parameter that preprocessing part writes in shared drive, therefore, parameter processing module 810 can read parameter and be processed from shared drive, and the parameter read comprises channel parameters, for example the priority of each transmission channel.
The bandwidth allocation information that data encapsulation module 830 provides according to statistic multiplexing module 820 is (for example 1 second) file reading carry out the data encapsulation periodically, and the number of each transmission channel reading out data amount depends on the allocated bandwidth result of calling after 820 computings of statistic multiplexing module.
Due in statistic multiplexing module 820, bandwidth minute to be equipped with 1 second be the cycle, first meet the passage that priority is high, if remaining bandwidth is arranged, the passage of time priority is given in reallocation, until allocated bandwidth is complete, the every 1 second bandwidth allocation information from statistic multiplexing module 820 fetch channels of data encapsulation module 830, carry out data encapsulation, makes the total bandwidth utilance higher, can, according to different situations reasonable distribution bandwidth, realize the dynamic assignment of bandwidth.
Data encapsulation module 830 in the data encapsulation process, file reading information from shared drive, and the state of broadcasting of encapsulation of data is sent in shared drive and stores.And data encapsulation module 830 can be put into the transmission buffering area by packaged data, pending data sending module 850 therefrom reads and is sent.
In addition, also be provided with state pushing module 860 in the embodiment of the present invention, read the state of broadcasting of a certain file from shared drive, by its write into Databasce.
The method provided according to the embodiment of the present invention and device can reach following beneficial effect:
In embodiments of the present invention, be provided with different priority for different transmission channels.When some transmission channels are about to carry out file transfer, are sorted according to the priority arranged, and then distributed according to ranking results the bandwidth be complementary with the file transmitted.As can be seen here, in the embodiment of the present invention, the bandwidth of each transmission channel is not fixed allocation, but carry out dynamic assignment according to priority and file size, make bandwidth to be fully utilized, avoid occurring that some passage is accounting for bandwidth and still do not carrying out the situation of file transfer, idle bandwidth can be used for to other transmission channels, thereby avoid the generation of empty bag, improve the utilance of bandwidth.
In the specification that provided herein, a large amount of details have been described.Yet, can understand, embodiments of the invention can be in the situation that do not have these details to put into practice.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand one or more in each inventive aspect, in the description to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes in the above.Yet the method for the disclosure should be construed to the following intention of reflection: the present invention for required protection requires the more feature of feature than institute clearly puts down in writing in each claim.Or rather, as following claims are reflected, inventive aspect is to be less than all features of the disclosed single embodiment in front.Therefore, claims of following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are appreciated that and can adaptively change and they are arranged in one or more equipment different from this embodiment the module in the equipment in embodiment.Can be combined into a module or unit or assembly to the module in embodiment or unit or assembly, and can put them into a plurality of submodules or subelement or sub-component in addition.At least some in such feature and/or process or unit are mutually repelling, and can adopt any combination to disclosed all features in this specification (comprising claim, summary and the accompanying drawing followed) and so all processes or the unit of disclosed any method or equipment are combined.Unless clearly statement in addition, in this specification (comprising claim, summary and the accompanying drawing followed) disclosed each feature can be by providing identical, be equal to or the alternative features of similar purpose replaces.
In addition, those skilled in the art can understand, although embodiment more described herein comprise some feature rather than further feature included in other embodiment, the combination of the feature of different embodiment means within scope of the present invention and forms different embodiment.For example, in the following claims, the one of any of embodiment required for protection can be used with compound mode arbitrarily.
All parts embodiment of the present invention can realize with hardware, or realizes with the software module of moving on one or more processor, or realizes with their combination.It will be understood by those of skill in the art that and can use in practice microprocessor or digital signal processor (DSP) to realize according to the allocated bandwidth device of the embodiment of the present invention and some or all some or repertoire of parts in file transfer means.The present invention for example can also be embodied as, for carrying out part or all equipment or device program (, computer program and computer program) of method as described herein.The program of the present invention that realizes like this can be stored on computer-readable medium, or can have the form of one or more signal.Such signal can be downloaded and obtain from internet website, or provides on carrier signal, or provides with any other form.
It should be noted above-described embodiment the present invention will be described rather than limit the invention, and those skilled in the art can design alternative embodiment in the situation that do not break away from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed in element or the step in claim.Being positioned at word " " before element or " one " does not get rid of and has a plurality of such elements.The present invention can realize by means of the hardware that includes some different elements and by means of the computer of suitably programming.In having enumerated the unit claim of some devices, several in these devices can be to carry out imbody by same hardware branch.The use of word first, second and C grade does not mean any order.Can be title by these word explanations.
Claims (10)
1. a bandwidth allocation methods, the satellite network that is applied to have many transmission channels comprises:
For each transmission channel arranges different priority;
According to the priority of each transmission channel arranged, many transmission channels that are about to carry out file transfer are sorted;
According to ranking results, be followed successively by the bandwidth that described many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary.
2. method according to claim 1, is characterized in that, the allocation step of described bandwidth is as follows:
Distribute and ensure bandwidth for each transmission channel, wherein, described guarantee bandwidth refers to broadcast the corresponding bandwidth of file speed lower limit in the transfer files process;
To remove the guarantee bandwidth in total bandwidth, obtain distributing bandwidth;
According to described ranking results, utilize and describedly distribute bandwidth to be followed successively by described many transmission channels that are about to carry out file transfer to carry out allocated bandwidth.
3. method according to claim 1 and 2, is characterized in that, the priority of each transmission channel that described basis has arranged is sorted to many transmission channels that are about to carry out file transfer, comprising:
According to the priority of each transmission channel arranged, from high to low many transmission channels that are about to carry out file transfer are sorted.
4. method according to claim 1 and 2, is characterized in that, the bandwidth of distributing for every transmission channel is no more than high bandwidth, and wherein, described high bandwidth refers to broadcast the corresponding bandwidth of file rate-limit in the transfer files process.
5. a document transmission method, the satellite network that is applied to have many transmission channels comprises:
For each transmission channel arranges different priority;
According to the priority of each transmission channel arranged, many transmission channels that are about to carry out file transfer are sorted;
According to ranking results, be followed successively by the bandwidth that described many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary;
Utilize the bandwidth of having distributed to transmit corresponding document on transmission channel.
6. method according to claim 5, is characterized in that, the bandwidth that described utilization has distributed is transmitted corresponding document on transmission channel, comprising:
If the file of transmission all is less than the first setting threshold, a plurality of files are encapsulated as to a file bag; And
Utilize the described file bag of bandwidth for transmission distributed in a transmission channel.
7. method according to claim 6, is characterized in that, described a plurality of files is encapsulated as to a file bag, comprising: utilize push packing agreement that a plurality of files are encapsulated as to a file bag.
8. method according to claim 5, is characterized in that, the bandwidth that described utilization has distributed is transmitted corresponding document on transmission channel, comprising:
If the file of transmission is greater than the second setting threshold,, by the packing of this document burst, utilize different transmission channels to send respectively, wherein, described the second setting threshold is greater than described the first setting threshold;
Accordingly, the recipient receives a plurality of packets from each transmission channel, and it is combined as to this document.
9. an allocated bandwidth device, the satellite network that is applied to have many transmission channels comprises:
Module is set, is configured to each transmission channel different priority is set;
Order module, be configured to the priority according to each transmission channel of having arranged, and many transmission channels that are about to carry out file transfer are sorted;
Distribution module, be configured to according to ranking results, is followed successively by the bandwidth that described many transmission channels that are about to carry out file transfer distribute the file with its transmission to be complementary.
10. a file transfer means, the satellite network that is applied to have many transmission channels, comprise allocated bandwidth device claimed in claim 9, also comprises:
Transport module, be configured to utilize the bandwidth of having distributed to transmit corresponding document on transmission channel.
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| CN201310403608.4A CN103501541A (en) | 2013-09-06 | 2013-09-06 | Bandwidth allocation method and device, and file transmission method and device |
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Application publication date: 20140108 |