CN103077149A - Method and system for transmitting data - Google Patents
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Abstract
The invention discloses a method and a system for transmitting data. The method comprises at least one data transmission process, wherein the process comprises the following steps of reading data in a source data storage device; according to the type number of data transmission interfaces and the transmission speed of each type of data transmission interface, dividing the read data into a plurality of first divided data blocks, wherein each first divided data block corresponds to one type of data transmission interface, and the size of each first divided data block is matched with the transmission speed of the data transmission interface corresponding to the first divided data block; according to the number of data caching devices connected with each type of data transmission interface, averagely dividing the data in each first divided data block into a plurality of second divided data blocks; transmitting the data in each second divided data block to the corresponding data caching device; and after performing data reconstitution on the data in the data caching device, transmitting the data to a target data storage device. By the method and the system, the data transmission speed can be improved, and the data transmission time is saved.
Description
Technical field
The present invention relates to the communications field, especially, relate to a kind of data transmission method and system.
Background technology
Along with the development of the communication technology, the interface that is used for data transmission is more and more, and commonplace has following four kinds.
The first, USB(Universal Serial Bus) interface, claim again USB (universal serial bus), it is a serial ports bus-bar standard that connects external device (ED), use extensively on computers, also can be used for set-top box and game machine, its additional standard On-The-Go(OTG) can be used for direct the transmission of data between portable unit, the data transmission rate of USB2.0 is generally at 1.70 GB/min, and the data transmission rate of USB 3.0 is generally at 4.4 2GB/min.
The second, 1394 interfaces are commonly called as fire-wire interfaces, it is a kind of high-speed transmission interface by the leader's of Apple exploitation alliance exploitation, data transmission rate is generally 800Mbps, is mainly used in the collection of video, and is upper as seen in high-end mainboard and the Digital Video (DV) of Intel.
The third, eSATA(External Serial ATA) interface, it is the outside expansion of SATA interface, is used for connecting outside SATA equipment.The eSATA memory device need not to use bridging chip, fast 6 times than the data rate of USB2.0 interface of its data rates.
The 4th kind, the thunder and lightning interface, developed by Intel Company, the thunder and lightning interface has merged PCI Express data transmission technology and DisplayPort display technique, can transmit data and vision signal simultaneously, and every transmission channel all provides the bandwidth of two-way 10Gbps, and transmission speed is very fast.
The application of these four kinds of data transmission interfaces is all very extensive, but up to now, does not also find to make the transmission of data with above several data transmission interface is parallel, to increase substantially the technology of data rate.In a word, need the urgent technical matters that solves of those skilled in the art to be exactly: how can with the parallel the transmission of data that makes of several data transmission interface, to improve data rate, save data transmission period.
Summary of the invention
Technical matters to be solved by this invention provides a kind of with the parallel method and system that makes the transmission of data of several data transmission interface, to improve data rate, saves data transmission period.
One aspect of the present invention has proposed a kind of data transmission method, it is provided with more than one data transmission interface for the source data memory storage, every kind of data transmission interface connects at least one data buffer storage, described method comprises data transmission procedure at least one times, and described transmission course comprises the steps:
Read the data in the source data memory storage;
According to the kind quantity of data transmission interface and the transmission speed of every kind of data transmission interface, the data that read are cut apart a plurality of the first partition data pieces of formation, wherein, the corresponding a kind of data transmission interface of each first partition data piece, the size of the transmission speed of the data transmission interface that each the first partition data block size is corresponding with it is complementary;
The quantity of the data buffer storage device that connects according to every kind of data transmission interface, data in each first partition data piece are averaged to cut apart form a plurality of the second partition data pieces, wherein, a plurality of the second partition data block sizes in each first partition data piece all equate, and the corresponding data buffer storage of each second partition data piece;
With the data transmission in each second partition data piece to the data buffer storage device of correspondence;
Data in the described data buffer storage device are carried out being transferred to target data storage device after the data recombination.
Preferably, described with the data transmission in each second partition data piece to the time on the data buffer storage device of correspondence be identical.
Preferably, the described step that reads the data in the source data memory storage is specially the data in the selected sector of reading in the source data memory storage.
Preferably, the kind of described data transmission interface comprises USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface; Described data buffer storage device is mobile memory medium.
The present invention has proposed a kind of data transmission system on the other hand, it comprises source data memory storage, data buffer storage device and target data storage device, wherein the source data memory storage is provided with more than one data transmission interface, every kind of data transmission interface connects at least one data buffer storage, and described system also comprises:
Data-reading unit is for the data that read the source data memory storage;
The first cutting unit, be used for according to the kind quantity of data transmission interface and the transmission speed of every kind of data transmission interface, the data that read are cut apart a plurality of the first partition data pieces of formation, wherein, the corresponding a kind of data transmission interface of each first partition data piece, the size of the transmission speed of the data transmission interface that each the first partition data block size is corresponding with it is complementary;
The second cutting unit, be used for the quantity according to the data buffer storage device of every kind of data transmission interface connection, data in each first partition data piece are averaged to cut apart form a plurality of the second partition data pieces, wherein, a plurality of the second partition data block sizes in each first partition data piece all equate, and the corresponding data buffer storage of each second partition data piece;
Data transmission unit is used for the data transmission of each the second partition data piece data buffer storage device to correspondence;
The data recombination unit carries out the data in the described data buffer storage device to be transferred to target data storage device after the data recombination.
Preferably, in described the second cutting unit, with the data transmission in each second partition data piece to the time on the data buffer storage device of correspondence be identical.
Preferably, the mode of described data-reading unit reading out data is the data in the selected sector of reading in the source data memory storage.
Preferably, described data buffer storage device is mobile memory medium; The kind of described data transmission interface comprises USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface.
By data transmission method provided by the invention and system, can realize making the transmission of data with the several data transmission interface is parallel, fully rationally to utilize on the basis of multiple transport protocols, the raising data rate is saved data transmission period greatly.
Description of drawings
Fig. 1 is the process flow diagram of the data transmission procedure among the data transmission method embodiment of the present invention;
Fig. 2 is the synoptic diagram of data transmission system embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
According to embodiments of the invention, data transmission method of the present invention is, the source data memory storage is provided with more than one data transmission interface, the kind of described data transmission interface comprises USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface, every kind of data transmission interface connects at least one data buffer storage, described method comprises data transmission procedure at least one times, with reference to Fig. 1, shows the process flow diagram of the data transmission procedure among a kind of data transmission method embodiment of the present invention.Described transmission course comprises the steps: S1, reads the data in the source data memory storage; S2, according to the kind quantity of data transmission interface and the transmission speed of every kind of data transmission interface, the data that read are cut apart a plurality of the first partition data pieces of formation, wherein, the corresponding a kind of data transmission interface of each first partition data piece, the size of the transmission speed of the data transmission interface that each the first partition data block size is corresponding with it is complementary; S3, the quantity of the data buffer storage device that connects according to every kind of data transmission interface, data in each first partition data piece are averaged to cut apart form a plurality of the second partition data pieces, wherein, a plurality of the second partition data block sizes in each first partition data piece all equate, and the corresponding data buffer storage of each second partition data piece; S4, with the data transmission in each second partition data piece to the data buffer storage device of correspondence; S5 carries out the data in the described data buffer storage device to be transferred to target data storage device after the data recombination.Wherein, described data buffer storage device can be mobile memory medium.
Data transmission method of the present invention can be realized making the transmission of data with the several data transmission interface is parallel, is fully rationally utilizing on the basis of multiple transport protocols, and the raising data rate is saved data transmission period greatly.
Preferably, according to the size of data volume in the source data memory storage, above-mentioned data transmission procedure can carry out one or many, until the data in the source data memory storage all are transferred to target data storage device.
The preferred embodiment of data transmission method according to the present invention, the kind of the data transmission interface on the source data memory storage is set to 4 kinds, is respectively USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface.Described data transmission procedure is specially:
In S1, read the data in the selected sector in the source data memory storage.
In S2, difference according to the transmission speed of four kinds of data transmission interfaces, the data that read are cut apart four the first partition data pieces that vary in size of formation, the first partition data block size will be complementary with the transmission speed size of data transmission interface, that is to say, the first partition data piece that the fast data transmission interface of transmission speed is corresponding is larger, the first partition data piece that the slow data transmission interface of transmission speed is corresponding is smaller, such as, the first partition data piece corresponding to USB interface is smaller, and the first partition data piece that the thunder and lightning interface is corresponding is larger.
In S3, the quantity of the data buffer storage device that USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface are connected is respectively N
1, N
2, N
3And N
4, wherein, N
1, N
2, N
3And N
4All more than or equal to 1, therefore, the first partition data piece that USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface is corresponding is divided into respectively N fifty-fifty
1, N
2, N
3And N
4Individual the second partition data piece, described N
1, N
2, N
3And N
4Individual the second partition data piece respectively with N
1, N
2, N
3And N
4Individual data buffer storage is corresponding one by one.Set N
1Individual the second partition data piece is respectively K
1, K
2..., K
N1, this N
1Individual the second partition data block size is all identical, and its size is with L
1Expression; N
2Individual the second partition data piece is respectively K
N1+1, K
N1+2..., K
N1+N2, this N
2Individual the second partition data block size is all identical, and its size is with L
2Represent; N
3Individual the second partition data piece is respectively K
N1+N2+1, K
N1+N2+2..., K
N1+N2+N3, this N
3Individual the second partition data block size is all identical, and its size is with L
3Represent; N
4Individual the second partition data piece is respectively K
N1+N2+N3+1, K
N1+N2+N3+2..., K
N1+N2+N3+N4, this N
4Individual the second partition data block size is all identical, and its size is with L
4Represent.Wherein, because L
1, L
2, L
3, L
4The transmission speed of the size data transmission interface corresponding with it be complementary, therefore, can be so that L
1, L
2, L
3, L
4Be transferred to its corresponding data buffer storage device and need identical time T.
In S4, with K
1, K
2..., K
N1Be transferred to corresponding N by usb protocol
1On the individual data buffer storage; With K
N1+1, K
N1+2..., K
N1+N2By the N of 1394 protocol transmission to correspondence
2On the individual data buffer storage; With K
N1+N2+1, K
N1+N2+2..., K
N1+N2+N3By the N of eSATA protocol transmission to correspondence
3On the individual data buffer storage; With K
N1+N2+N3+1, K
N1+N2+N3+2..., K
N1+N2+N3+N4By the N of thunder and lightning protocol transmission to correspondence
4On the individual data buffer storage.
Wherein, with K
1The time that is transferred on the corresponding data buffer storage device is T, and its size of data is L
1, therefore, K
1Be transferred to the speed v of corresponding data buffer storage device
1=L
1/ T.Because K
1, K
2..., K
N1The time that is transferred on the corresponding data buffer storage device is T, and its size of data is L
1, so K
1, K
2..., K
N1Be transferred to the general speed V on the corresponding data buffer storage device
1=v
1* N
1In like manner can release, with K
N1+1, K
N1+2..., K
N1+N2The general speed that is transferred on the corresponding data buffer device is V
2=v
2* N
2With K
N1+N2+1, K
N1+N2+2..., K
N1+N2+N3The total data that is transferred on the corresponding data buffer device is V
3=v
3* N
3With K
N1+N2+N3+1, K
N1+N2+N3+2..., K
N1+N2+N3+N4The general speed that is transferred on the corresponding data buffer device is V
4=v
4* N
4
To sum up can draw, all second partition data pieces are transferred to general speed V on the data buffer storage device
All=v
1* N
1+ v
2* N
2+ v
3* N
3+ v
4* N
4=V
1+ V
2+ V
3+ V
4
Therefrom we can find out, with K
1, K
N1+1, K
N1+N2+1And K
N1+N2+N3+1Be transferred to the T.T. T that USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface spend
All=(L
1+ L
2+ L
3+ L
4)/V=(L
1+ L
2+ L
3+ L
4)/(V1+V2+V3+V4).
If with K
1, K
N1+1, K
N1+N2+1And K
N1+N2+N3+1Individual transmission is to USB interface, owing to the general speed that transfers data to the data buffer storage device by usb protocol is V
1=v
1* N
1So,, the time T that needs
Usb=(L
1+ L
2+ L
3+ L
4)/V
1
If with K
1, K
N1+1, K
N1+N2+1And K
N1+N2+N3+1Individual transmission is to 1394 interfaces, owing to the general speed that transfers data to the data buffer storage device by 1394 agreements is V
2=v
2* N
2So,, the time T that needs
1394=(L
1+ L
2+ L
3+ L
4)/V
2
If with K
1, K
N1+1, K
N1+N2+1And K
N1+N2+N3+1Individual transmission is to the eSATA interface, owing to the general speed that transfers data to the data buffer storage device by the eSATA agreement is V
3=v
3* N
3So,, the time that needs is T
ESATA=(L
1+ L
2+ L
3+ L
4)/V
3
If with K
1, K
N1+1, K
N1+N2+1And K
N1+N2+N3+1Individual transmission is to the thunder and lightning interface, owing to the general speed that transfers data to the data buffer storage device by the thunder and lightning agreement is V
4=v
4* N
4So,, the time T that needs
Thunder and lightning=(L
1+ L
2+ L
3+ L
4)/V
4
To sum up can find out, with K
1, K
N1+1, K
N1+N2+1And K
N1+N2+N3+1The T.T. that is transferred to simultaneously USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface can be than with K
1, K
N1+1, K
N1+N2+1And K
N1+N2+N3+1Individual transmission is fast to the T.T. of USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface respectively.
In S5, data communication device in the described data buffer storage device is crossed the data recombination algorithm, and to carry out data recombination be a complete data file, such as carrying out data recombination by RAID 0 algorithm, again with this complete transmitting data file to target storage, the data content that reads among the content of the data file that this is complete and the S1 is consistent.
In the very large situation of data volume in the source data memory storage, described data transmission procedure can carry out repeatedly, until with the data transmission in all sectors of source data memory storage to target data storage device.
Method of the present invention is with the parallel the transmission of data that makes of several data transmission interface, according to the data rate of the kind quantity of data transmission interface, various data transmission interfaces, the quantity of data buffer storage device, the data that read are reasonably cut apart formation partition data piece, so that the time that is transferred on the data buffer storage device by every kind of data transmission interface is identical, again the partition data piece is carried out data recombination and become the data consistent with the data content that reads before the transmission, can greatly improve data rate, save data transmission period.
Referring to Fig. 2, be the synoptic diagram of the corresponding data transmission system embodiment of provided by the invention and above-mentioned data transmission method.Described system comprises source data memory storage 21, data buffer storage device 22 and target data storage device 23, wherein source data memory storage 21 is provided with more than one data transmission interface 211, in the present embodiment, can be provided with four kinds of data transmission interfaces, be respectively USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface, above-mentioned every kind of data transmission interface connects at least one data buffer storage 22, described system also comprises: data-reading unit 24, be used for reading the data of source data memory storage 21, wherein, the mode of reading out data is the data in the selected sector of reading in the source data memory storage 21; The first cutting unit 25, be used for according to the kind quantity of data transmission interface and the transmission speed of every kind of data transmission interface, the data that read are cut apart a plurality of the first partition data pieces of formation, wherein, the corresponding a kind of data transmission interface of each first partition data piece, the size of the transmission speed of the data transmission interface that each the first partition data block size is corresponding with it is complementary; The second cutting unit 26, be used for the quantity according to the data buffer storage device 22 of every kind of data transmission interface connection, data in each first partition data piece are averaged to cut apart form a plurality of the second partition data pieces, wherein, a plurality of the second partition data block sizes in each first partition data piece all equate, and the corresponding data buffer storage 22 of each second partition data piece; Data transmission unit 27 is used for the data transmission of each the second partition data piece data buffer storage device 22 to correspondence; Data recombination unit 28 carries out the data in the described data buffer storage device 22 to be transferred to target data storage device 23 after the data recombination.Wherein, data buffer storage device 22 can be mobile memory medium.
Preferably, in described the second cutting unit 26, with the data transmission in each second partition data piece to the time on the data buffer storage device 22 of correspondence be identical.
System of the present invention is with the parallel the transmission of data that makes of several data transmission interface, according to the data rate of the kind quantity of data transmission interface, various data transmission interfaces, the quantity of data buffer storage device, the data that read are reasonably cut apart formation partition data piece, so that the time that is transferred on the data buffer storage device by every kind of data transmission interface is identical, again the partition data piece is carried out data recombination and become the data consistent with the data content that reads before the transmission, can greatly improve data rate, save data transmission period.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For system embodiment because itself and embodiment of the method basic simlarity, so describe fairly simple, relevant part gets final product referring to the part explanation of embodiment of the method.
More than a kind of data transmission method provided by the present invention and system are described in detail, used specific case herein principle of the present invention and embodiment 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, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. data transmission method, it is characterized in that the source data memory storage is provided with more than one data transmission interface, every kind of data transmission interface connects at least one data buffer storage, described method comprises data transmission procedure at least one times, and described transmission course comprises the steps:
Read the data in the source data memory storage;
According to the kind quantity of data transmission interface and the transmission speed of every kind of data transmission interface, the data that read are cut apart a plurality of the first partition data pieces of formation, wherein, the corresponding a kind of data transmission interface of each first partition data piece, the size of the transmission speed of the data transmission interface that each the first partition data block size is corresponding with it is complementary;
The quantity of the data buffer storage device that connects according to every kind of data transmission interface, data in each first partition data piece are averaged to cut apart form a plurality of the second partition data pieces, wherein, a plurality of the second partition data block sizes in each first partition data piece all equate, and the corresponding data buffer storage of each second partition data piece;
With the data transmission in each second partition data piece to the data buffer storage device of correspondence;
Data in the described data buffer storage device are carried out being transferred to target data storage device after the data recombination.
2. the method for claim 1 is characterized in that, described with the data transmission in each second partition data piece to the time on the data buffer storage device of correspondence be identical.
3. the method for claim 1 is characterized in that, the described step that reads the data in the source data memory storage is specially the data in the selected sector of reading in the source data memory storage.
4. the method for claim 1 is characterized in that, the kind of described data transmission interface comprises USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface.
5. the method for claim 1 is characterized in that, described data buffer storage device is mobile memory medium.
6. data transmission system, it is characterized in that, comprise source data memory storage, data buffer storage device and target data storage device, wherein the source data memory storage is provided with more than one data transmission interface, every kind of data transmission interface connects at least one data buffer storage, and described system also comprises:
Data-reading unit is for the data that read the source data memory storage;
The first cutting unit, be used for according to the kind quantity of data transmission interface and the transmission speed of every kind of data transmission interface, the data that read are cut apart a plurality of the first partition data pieces of formation, wherein, the corresponding a kind of data transmission interface of each first partition data piece, the size of the transmission speed of the data transmission interface that each the first partition data block size is corresponding with it is complementary;
The second cutting unit, be used for the quantity according to the data buffer storage device of every kind of data transmission interface connection, data in each first partition data piece are averaged to cut apart form a plurality of the second partition data pieces, wherein, a plurality of the second partition data block sizes in each first partition data piece all equate, and the corresponding data buffer storage of each second partition data piece;
Data transmission unit is used for the data transmission of each the second partition data piece data buffer storage device to correspondence;
The data recombination unit carries out the data in the described data buffer storage device to be transferred to target data storage device after the data recombination.
7. device as claimed in claim 6 is characterized in that, in described the second cutting unit, with the data transmission in each second partition data piece to the time on the data buffer storage device of correspondence be identical.
8. device as claimed in claim 6 is characterized in that, the mode of described data-reading unit reading out data is the data in the selected sector of reading in the source data memory storage.
9. device as claimed in claim 6 is characterized in that, described data buffer storage device is mobile memory medium.
10. device as claimed in claim 6 is characterized in that, the kind of described data transmission interface comprises USB interface, 1394 interfaces, eSATA interface and thunder and lightning interface.
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| CN105653484B (en) * | 2015-12-31 | 2018-08-17 | 厦门市美亚柏科信息股份有限公司 | A kind of deblocking compression multi-channel transmission method |
| CN105701047B (en) * | 2015-12-31 | 2018-10-16 | 厦门市美亚柏科信息股份有限公司 | A kind of multi-channel data transmission and virtual restoration method |
| CN105701048B (en) * | 2016-01-15 | 2019-08-30 | 陈蔡峰 | A kind of multi-channel data dynamic transmission method |
| CN107870928A (en) * | 2016-09-26 | 2018-04-03 | 上海泓智信息科技有限公司 | File reading and device |
| CN115379280A (en) * | 2022-10-19 | 2022-11-22 | 深圳沛喆微电子有限公司 | Information source channel intercommunication transmission method and device and intelligent photo frame |
| CN115379280B (en) * | 2022-10-19 | 2023-01-31 | 深圳沛喆微电子有限公司 | Information source channel intercommunication transmission method and device and intelligent photo frame |
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