CN102170475A - File distribution system and fragmentation method based on P2P (peer-to-peer) - Google Patents
File distribution system and fragmentation method based on P2P (peer-to-peer) Download PDFInfo
- Publication number
- CN102170475A CN102170475A CN2011101026310A CN201110102631A CN102170475A CN 102170475 A CN102170475 A CN 102170475A CN 2011101026310 A CN2011101026310 A CN 2011101026310A CN 201110102631 A CN201110102631 A CN 201110102631A CN 102170475 A CN102170475 A CN 102170475A
- Authority
- CN
- China
- Prior art keywords
- burst
- file
- node
- download
- size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention provides a file distribution system and a fragmentation method based on P2P (peer-to-peer). The self-adaption distribution method comprises the following steps: during the file distribution process, a file to be loaded is fragmented, the last stage of fragmentation is transmission level fragmentation, wherein the size of the transmission level fragmentation is dynamically adjusted according to the network resource condition between a local node and a service node, so that the transmission property of the file distribution system can be ensured to be suitable for the changes of network bandwidth, and further, the data transmission efficiency can be improved, and the application range of the file distribution system can be enlarged.
Description
Technical field
The invention belongs to the P2P technical field, be specifically related to a kind of document distribution system and sharding method based on P2P.
Background technology
P2P (Peer to Peer) network is a kind of resource distribution utilization and the network system framework of sharing, and when communicating, is reciprocity between each node, and promptly each node both can be a client, also can be server.The P2P network is distributed to user side by the service function that will finish at centralized server originally and finishes, and solves problems such as network congestion and server bandwidth bottleneck.The P2P file distributing has adopted the method for burst to carry out data interaction, just file is divided into the identical or different data block of many length, is that unit transmits then with the data block.Described burst is a kind of computational methods, according to these computational methods, document distribution system can calculate which position of which burst of a file at file, just can arrive the position that calculates like this and the fragment data of required size is read out be used for answer when replying data.The size of the burst of present P2P download system is fixed, and the burst size of document distribution system is also fixed, and in document distribution system, sharding method has adopted three grades sharding method, and concrete sharding method is as follows:
File section of being divided at first, section is the one-level burst, the size in present system stage casing is fixed, and is specifically as follows 4M; Next is that section is carried out burst again, be the secondary burst, the secondary burst is the unit that the document distribution system client is shared, promptly have only the document distribution system client downloads to finish a complete secondary burst, just can externally provide shared with this part data, the size of secondary burst is fixed in the system at present, is specifically as follows 16KB; Carry out three grades of bursts then on the basis of secondary burst again, three grades of bursts are document distribution system client units of transfer when carrying out data interaction, and the size of three grades of bursts of system is fixed at present, is specifically as follows 1KB.
Also set up corresponding index information when document distribution system is set up burst, index information is represented the burst situation of a file.The document distribution system client is being carried out file data when sharing, and shared both sides know alternately by index information whether the opposite end exists self needed data.Index information is a binary data, and each data represents all whether corresponding burst exists, and is that the corresponding burst of 1 expression exists, and is that the corresponding burst of 0 expression does not exist.
If burst is divided too smallly, though help the data sharing between the service node, can cause the shared byte number of index information many, the transmission between network of too much index information can take and consume certain bandwidth; And if divide burst relatively thicker, then can influence the data sharing between the service node because having only the corresponding position of index information is 1 o'clock, these data can externally be shared.In some applications, in the content synchronization such as EPG, what mainly download is large amount of small documents, and in the media file distribution of CDN, what mainly download is bigger video file; File at different sizes adopts fixing sharding method, can reduce network utilization.
What transfer of data adopted in the system of document distribution system is udp protocol, because the restriction of MTU, the transfer of data unit of system is 1KB at present, the unit of transfer of fixed size can't adapt to the dynamic change of the network bandwidth like this, under the network bandwidth was reasonable, 1KB's was big or small proper, and under the bigger situation of network bandwidth fluctuation ratio, the size of 1KB may cause packet loss or cause the congested of Network Transmission, has reduced efficiency of transmission.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of sharding method of the document distribution system based on P2P, this sharding method can come the size of dynamic adjusting data transmitting stage burst according to the variation of the network bandwidth, because the unit of transfer of this transmitting stage burst when being data interaction, therefore can improve the efficient of transfer of data.
The invention provides a kind of document distribution system based on P2P, this system can come the size of dynamic adjusting data unit of transfer according to the variation of the network bandwidth, thereby improves the efficient of transfer of data.
The invention provides a kind of sharding method of the document distribution system based on P2P, this method comprises:
In the file distributing process, file to be downloaded is carried out burst, described burst comprises share level burst and transmitting stage burst, and the afterbody burst is the transmitting stage burst, wherein, in transmission course, dynamically adjust the size of described transmitting stage burst according to the network resource status between local node and the service node.
As a further improvement on the present invention, when treating downloaded files and carry out burst, determine the size of share level burst according to the big or small corresponding file magnitude range of file to be downloaded.
Network resource status between described local node and the service node comprises: one or more information in interaction data amount, packet loss and the time-delay size in a period of time between local node and service node.
The present invention also provides a kind of document down loading method of the document distribution system based on P2P, and this method may further comprise the steps:
1), local node is when carrying out the download of P2P file, file to be downloaded is carried out burst, set up the index information of this file to be downloaded, the index information of described file to be downloaded comprises the index information of the fragments at different levels that burst obtains, every grade of index information comprises the burst positional information of homologous segment, described burst comprises share level burst and transmitting stage burst, and the initial size of transmitting stage burst is a default value;
2), local node behind the download nodal information, is determined the pairing download node of share level burst of file to be downloaded to the server application;
3), local node is to the download request of the download node transmission of determining at the share level burst, wherein contain the size that need download the index information and the definite transmitting stage burst of the share level burst that node downloads from this, and in transmission course according to and service node between network resource status dynamically adjust the size of transmitting stage burst;
4), local node is received and is downloaded after the data that node replys document data saving.
The present invention also provides a kind of document distribution system based on P2P, and this system comprises:
Local node, when carrying out the download of P2P file, file to be downloaded is carried out burst, set up the index information of this file to be downloaded, the index information of described file to be downloaded comprises the index information of the fragments at different levels that burst obtains, every grade of index information comprises the burst positional information of homologous segment, and described burst comprises share level burst and transmitting stage burst, and the size of transmitting stage burst is an initial default value; Download nodal information to the server application then, receive and reply the back to the download request of the download node transmission of determining at the share level burst, wherein, contain the size that need download the index information and the definite transmitting stage burst of the share level burst that node downloads from this in this download request, in transmission course according to and service node between network resource status dynamically adjust the size of described transmitting stage burst; Receive and download the data that node is replied;
Server provides index information and data message to local node; After the download node request of receiving local node, provide the download nodal information to local node;
Download node, the download request at the share level burst according to described local node sends provides file data to this local node; Described download node is server or service node.
Document distribution system and sharding method that the present invention proposes based on P2P, can be in downloading process according to the size of the adjustment transfer of data unit of the change dynamics of the network bandwidth, can adapt to the variation of the network bandwidth with the transmission performance that guarantees document distribution system, thereby improve the efficient of transfer of data, enlarged the range of application of document distribution system.
Description of drawings
Fig. 1 is the described three level adaptation sharding method schematic diagrames of the embodiment of the invention;
Fig. 2 is the described level Four self adaptation of an embodiment of the invention sharding method schematic diagram;
Fig. 3 is the document down loading method flow chart of the described document distribution system based on P2P of the embodiment of the invention;
Fig. 4 is the described document distribution system general frame of an embodiment of the invention schematic diagram.
Embodiment
The invention provides a kind of sharding method of the document distribution system based on P2P, this method comprises:
In the file distributing process, file to be downloaded is carried out burst, described burst comprises share level burst and transmitting stage burst, and the afterbody burst is the transmitting stage burst, wherein, in transmission course, dynamically adjust the size of described transmitting stage burst according to the network resource status between local node and the service node; Concrete, network resource status between described local node and the service node comprises: one or more information in interaction data amount, packet loss and the time-delay size in a period of time between local node and service node, when treating downloaded files and carry out initial burst, determine the size of share level burst according to the big or small corresponding file magnitude range of file to be downloaded, and the size of transmitting stage burst is initially default value.
Below in conjunction with accompanying drawing the preferred embodiment of the invention is elaborated.
As first embodiment provided by the invention, as shown in Figure 1, adopt three grades of burst methods, determine the size of first and second grade burst according to file size, described I and II burst is the share level burst, the data sharing unit of secondary burst when carrying out data interaction between node wherein, third level burst is the transmitting stage burst, it is the unit of transfer when carrying out transfer of data between node, the size of third level burst adopts default value, be specifically as follows 1KB, in transmission course, can dynamically adjust third level burst size according to network condition.Concrete sharding method is as follows:
The method of first order burst and second level burst is as follows:
When file size during greater than 12MB, then section 11 sizes that are divided into of first order burst are 4M, and piece 12 sizes that second level burst is divided into are 16KB;
When file size when 4MB is between 12MB, then the section 11 sizes be 3MB, piece 12 sizes are 16KB;
When file size when 2MB is between 4MB, then the section 11 sizes be 2MB, piece 12 sizes are 8KB;
When file size when 1MB is between 2MB, then the section 11 sizes be 1MB, piece 12 sizes are 4KB;
When file size during less than 1MB, then section 11 sizes are 1MB, and piece 12 sizes are 2KB.
The size of third level burst 13 is the integral multiple of 64 bytes, is specifically as follows 1KB, 512 bytes, 256 bytes, 128 bytes, 64 bytes etc.; Because three grades of bursts are units of transfer when carrying out data interaction, so unit of transfer is 1KB to the maximum, and minimum is 64 bytes.
Accordingly, set up the index information of this document correspondence when file is carried out three grades of bursts, this index information also is divided into three grades, and index informations at different levels are represented the positional information of the burst of corresponding level respectively.
As second embodiment provided by the invention, as shown in Figure 2, adopt the level Four sharding method, this sharding method determines first according to file size, two, the size of three bursts, described one, two, three grades of bursts are the share level burst, the data sharing unit of secondary burst when carrying out data interaction between node wherein, fourth stage burst is the transmitting stage burst, the level Four burst is the unit of transfer when carrying out transfer of data between node, the size of level Four burst adopts initial default value during burst, be specifically as follows 1KB, in transmission course, can dynamically adjust the size of fourth stage burst according to network condition; Concrete sharding method is as follows:
The method of first order burst and second level burst is as follows:
When file size during greater than 12MB, then section 21 sizes that are divided into of first order burst are 4M, and piece 22 sizes that second level burst is divided into are 16KB;
When file size when 4MB is between 12MB, then the section 21 sizes be 3MB, piece 22 sizes are 16KB;
When file size when 2MB is between 4MB, then the section 21 sizes be 2MB, piece 22 sizes are 8KB;
When file size when 1MB is between 2MB, then the section 21 sizes be 1MB, piece 22 sizes are 4KB;
When file size during less than 1MB, then section 21 sizes are 1MB, and piece 22 sizes are 2KB.
The size of third level burst 23 is fixed as 1KB;
After file carried out burst, set up the index information of this document correspondence, this index information also is divided into level Four, represents the positional information of the burst of corresponding level respectively, be that what sections this document has been divided into, each section is divided into what pieces, the information such as size of last piece of final stage.
For example, for the file that a size is 20.51MB,, safeguard identical index information with document distribution system DTS_S_SP at document distribution system according to self adaptation sharding method of the present invention; Because this document is greater than 12MB, then the section size that is divided into of one-level burst is 4MB, file is divided into 6 sections in index information as can be known, the block size that the secondary burst is divided into is 16KB, then as can be known in the index information preceding 5 sections comprise 256 pieces respectively, final stage comprises 33 pieces, and the size of last piece of final stage is 10.14KB.
The present invention also provides a kind of document down loading method of the document distribution system based on P2P, and as shown in Figure 3, this method may further comprise the steps:
Step 301: beginning;
Step 302: local node obtains download instruction;
Step 303: local node is to the file attribute information of server application file to be downloaded, this document attribute information is specifically as follows the CID and the document size information of file, obtain behind this document attribute information file to be downloaded being carried out burst, determine the size of share level burst according to file to be downloaded size corresponding file magnitude range, size to the transmitting stage burst adopts default setting, and preserves corresponding index information;
Concrete, can as described in embodiment one, carry out the share level burst according to the size of file to be downloaded, be that described share level burst can be the one-level burst described in the embodiment one, secondary burst, and three grades of bursts described in the embodiment one are the transmitting stage burst, its big or small initial default value is set to 1KB, can adjust according to network state in transmission course;
Also can carry out the share level burst according to the size described in the embodiment two according to file to be downloaded, be that described share level burst can be the one-level burst described in the embodiment two, secondary burst and three grades of bursts, and the level Four burst described in the embodiment two is the transmitting stage burst, its big or small initial default value is set to 1KB, can adjust according to network state in transmission course.
Step 304: local node is after the download nodal information is arrived in the server application, determine the pairing download node of share level burst of file to be downloaded, share level burst described herein can be the secondary burst described in the embodiment one, also can be the secondary burst described in the embodiment two; Concrete, described download node can be a service node, also can be server.
Step 305: local node sends download request at the share level burst to the download node of determining, and according to local node with download internodal network resource status and determine unit of transfer's size, the size of transmitting stage burst just;
Concrete, local node is can demand file CID when downloading the node request msg, segment number, piece number, burst number, with respect to the skew of burst, and the byte number that need read, this byte number is specially the integral multiple of 64 bytes;
Described network resource status is meant interior local node of a period of time and downloads one or more information in internodal interaction data amount, packet loss and the time-delay size; Preferably, described a period of time specifically can be 5s; Because transmitting stage burst initial default size is 1KB, therefore unit of transfer's initial default value is 1KB, when the network condition variation, readjust the size of transmitting stage burst, its multiple with 2 is successively decreased, the size of this transmitting stage burst is always the integral multiple of 64 bytes, and minimum is 64 bytes, is 1KB to the maximum; When adjusting transmitting stage burst big or small, revise corresponding index information simultaneously, make that the file fragmentation size in the index information is consistent all the time with actual file burst size; Concrete, described transmitting stage burst can be the third level burst described in the embodiment one, also can be the fourth stage burst described in the embodiment two.
Step 306: download node and send data to local node and reply, concrete, when replying data, can reply file CID, segment number, piece number, burst number, with respect to the skew of burst, the byte number of shared data and actual file data;
Step 307: local node is after receiving the data of downloading the node answer, the file data of reality is written in the corresponding core position, and corresponding index information carried out set, when minimum one-level index information data fill complete after, then the upper level index is carried out set;
Step 308: receive corresponding data and then the relevant position index is carried out set,, then continue step 305 at 0 o'clock,, continue step 309 up to when the set of the minimum one-level fragment data of share level burst index is 1 if the set of share level data block index is;
For example, when minimum one-level index is level Four index information described in the embodiment two, when local node receive reply and actual file data be written to corresponding core position after, the level Four index is carried out set, being about to the set of corresponding level Four index position is 1, after the filling of 1KB data is complete, then three grades of index positions are carried out set, up to filling complete when the secondary fragment data, then secondary index is carried out set, up to the set of secondary index position is 1 o'clock, finishes this data transfer, and this data block just can externally have been shared.
Step 309: finish this data transfer.
As shown in Figure 4, the present invention also provides a kind of document distribution system based on P2P, and this system comprises:
Local node, when carrying out the download of P2P file, file to be downloaded is carried out burst, set up the index information of this file to be downloaded, the index information of described file to be downloaded comprises the index information of the fragments at different levels that burst obtains, every grade of index information comprises the burst positional information of homologous segment, and described burst comprises share level burst and transmitting stage burst, and the size of transmitting stage burst is an initial default value; Download nodal information to the server application then, receive and reply the back to the download request of the download node transmission of determining at the share level burst, wherein, contain the size that need download the index information and the definite transmitting stage burst of the share level burst that node downloads from this in this download request, in transmission course according to and service node between network resource status dynamically adjust the size of described transmitting stage burst; Receive and download the data that node is replied.
Server provides index information and data message to local node; After the download node request of receiving local node, provide the download nodal information to local node;
Concrete, described server can comprise following three modules:
Content managing module DTS_S_SM monitors the associative directory on the valut, real-time monitors the interpolation and the deletion event of file, and the situation of notice node index module file change;
Node index module DTS_S_RM provides the node index information, promptly needs downloaded files at which to download on the node respectively, and described download node comprises server and service node.Concrete, the node index module is used for providing according to the request of described local node the CID and the document size information of file to be downloaded; The pairing download nodal information of share level burst of file to be downloaded is provided to described service node according to the request of described local node;
Static node module DTS_S_SP, the on-line message of receiving node index module, and, data are replied to local node according to the download request that local node sends at the share level burst.
Download node, the download request at the share level burst according to described local node sends provides file data to this local node; Concrete, this download node can be a service node, also can be static node module DTS_S_SP.
The sharding method that the present invention proposes based on the document distribution system of P2P, can be according to the adjustment of carrying out burst of the size adaptation of file to be downloaded, thereby make file not of uniform size can obtain similar P2P distribution performance, and can be in downloading process according to the size of the adjustment transfer of data unit of the change dynamics of the network bandwidth, can adapt to the variation of the network bandwidth with the transmission performance that guarantees document distribution system, thereby improve the performance of transfer of data.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. the sharding method based on the document distribution system of P2P is characterized in that, this method comprises:
In the file distributing process, file to be downloaded is carried out burst, described burst comprises share level burst and transmitting stage burst, and the afterbody burst is the transmitting stage burst, wherein, in transmission course, dynamically adjust the size of described transmitting stage burst according to the network resource status between local node and the service node.
2. method according to claim 1 is characterized in that, when file to be downloaded is carried out burst, determines the size of share level burst according to the big or small corresponding file magnitude range of file to be downloaded.
3. method according to claim 1 is characterized in that, the network resource status between local node and the service node comprises: one or more information in interaction data amount, packet loss and the time-delay size in a period of time between local node and service node.
4. the document down loading method based on the document distribution system of P2P is characterized in that, this method may further comprise the steps:
Local node is when carrying out the download of P2P file, file to be downloaded is carried out burst, set up the index information of this file to be downloaded, the index information of described file to be downloaded comprises the index information of the fragments at different levels that burst obtains, every grade of index information comprises the burst positional information of homologous segment, described burst comprises share level burst and transmitting stage burst, and the initial size of transmitting stage burst is a default value;
Local node behind the download nodal information, is determined the pairing download node of share level burst of file to be downloaded to the server application;
Local node is to the download request of the download node transmission of determining at the share level burst, wherein contain the size that need download the index information and the definite transmitting stage burst of the share level burst that node downloads from this, and in transmission course according to and service node between network resource status dynamically adjust the size of transmitting stage burst;
Local node receives downloads the data that node is replied.
5. document down loading method according to claim 4, it is characterized in that the network resource status between local node and service node comprises: one or more information in interaction data amount, packet loss and the time-delay size in a period of time between local node and service node.
6. document down loading method according to claim 4 is characterized in that, when file to be downloaded is carried out burst, determines the size of share level burst according to the big or small corresponding file magnitude range of file to be downloaded.
7. the document distribution system based on P2P is characterized in that, this system comprises:
Local node, when carrying out the download of P2P file, file to be downloaded is carried out burst, set up the index information of this file to be downloaded, the index information of described file to be downloaded comprises the index information of the fragments at different levels that burst obtains, every grade of index information comprises the burst positional information of homologous segment, and described burst comprises share level burst and transmitting stage burst, and the size of transmitting stage burst is an initial default value; Download nodal information to the server application then, receive and reply the back to the download request of the download node transmission of determining at the share level burst, wherein, contain the size that need download the index information and the definite transmitting stage burst of the share level burst that node downloads from this in this download request, in transmission course according to and service node between network resource status dynamically adjust the size of described transmitting stage burst; Receive and download the data that node is replied;
Server provides index information and data message to local node; After the download node request of receiving local node, provide the download nodal information to local node;
Download node, the download request at the share level burst according to described local node sends provides file data to this local node.
8. system according to claim 7 is characterized in that, when file to be downloaded is carried out burst, determines the size of share level burst according to the big or small corresponding file magnitude range of file to be downloaded.
9. system according to claim 7 is characterized in that, described index information is kept in local node and the described server.
10. system according to claim 7, it is characterized in that the network resource status between described local node and the service node comprises: one or more information in interaction data amount, packet loss and the time-delay size in a period of time between local node and service node.
11. system according to claim 7 is characterized in that, described download node is service node or server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101026310A CN102170475A (en) | 2011-04-22 | 2011-04-22 | File distribution system and fragmentation method based on P2P (peer-to-peer) |
| PCT/CN2011/084210 WO2012142844A1 (en) | 2011-04-22 | 2011-12-19 | P2p-based file distribution system and slicing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101026310A CN102170475A (en) | 2011-04-22 | 2011-04-22 | File distribution system and fragmentation method based on P2P (peer-to-peer) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102170475A true CN102170475A (en) | 2011-08-31 |
Family
ID=44491451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101026310A Pending CN102170475A (en) | 2011-04-22 | 2011-04-22 | File distribution system and fragmentation method based on P2P (peer-to-peer) |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102170475A (en) |
| WO (1) | WO2012142844A1 (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546786A (en) * | 2011-12-29 | 2012-07-04 | 中兴通讯股份有限公司 | Method and system for variable-length access of multi-media files in content distribution network |
| WO2012142844A1 (en) * | 2011-04-22 | 2012-10-26 | 中兴通讯股份有限公司 | P2p-based file distribution system and slicing method |
| CN103188279A (en) * | 2011-12-27 | 2013-07-03 | 中国电信股份有限公司 | Method and device for downloading file from neighbor nodes through peer-to-peer network |
| CN103634332A (en) * | 2012-08-20 | 2014-03-12 | 中国移动通信集团公司 | A streaming media transmission method based on a P2P, an apparatus thereof and a system thereof |
| CN103731499A (en) * | 2013-12-31 | 2014-04-16 | 兴天通讯技术（天津）有限公司 | Terminal and file transfer method |
| CN104168081A (en) * | 2013-05-20 | 2014-11-26 | 腾讯科技（深圳）有限公司 | Document transmission method and device |
| CN104967640A (en) * | 2014-07-31 | 2015-10-07 | 腾讯科技（深圳）有限公司 | Data storage method, apparatus and system |
| CN106101146A (en) * | 2016-08-12 | 2016-11-09 | 暴风集团股份有限公司 | The method and system that Flash peer-to-peer network is live are carried out based on block style |
| CN106231440A (en) * | 2016-07-22 | 2016-12-14 | 华为技术有限公司 | A kind of files in stream media burst method for down loading, device and terminal |
| CN106993054A (en) * | 2017-05-05 | 2017-07-28 | 腾讯科技（深圳）有限公司 | Document distribution method, node and system |
| CN107734045A (en) * | 2017-10-25 | 2018-02-23 | 深圳市雷鸟信息科技有限公司 | Network file request, network file processing method, television terminal, file server and system |
| CN107888633A (en) * | 2016-09-29 | 2018-04-06 | 上海帝联信息科技股份有限公司 | Document distribution method and device |
| CN108512770A (en) * | 2017-02-28 | 2018-09-07 | 华为技术有限公司 | Data traffic distribution method and relevant device |
| CN109167845A (en) * | 2018-11-27 | 2019-01-08 | 云之端网络(江苏)股份有限公司 | A kind of fragment cache memory and recombination method towards big file distributing scene |
| CN109525622A (en) * | 2017-09-19 | 2019-03-26 | 阿里巴巴集团控股有限公司 | The generation method of fragment resource ID, resource sharing method, device and electronic equipment |
| CN109922142A (en) * | 2019-02-21 | 2019-06-21 | 阿里巴巴集团控股有限公司 | A kind of document down loading method, apparatus and system |
| CN109981751A (en) * | 2019-03-06 | 2019-07-05 | 珠海金山网络游戏科技有限公司 | A kind of document transmission method and system, computer equipment and storage medium |
| CN111447265A (en) * | 2020-03-24 | 2020-07-24 | 深圳市网心科技有限公司 | File storage method, file downloading method, file processing method and related components |
| WO2020216035A1 (en) * | 2019-04-22 | 2020-10-29 | 北京开广信息技术有限公司 | Real-time pushing method and real-time receiving method for media stream, server, and client |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10142411B2 (en) | 2015-05-29 | 2018-11-27 | Microsoft Technology Licensing, Llc | Dynamic swarm segmentation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080162718A1 (en) * | 2005-08-09 | 2008-07-03 | Yongmin Zhang | Method and Apparatus for Transmitting Data in Blocks |
| CN101330434A (en) * | 2007-06-19 | 2008-12-24 | 中国电信股份有限公司 | Method for storing node content for telecommunication P2P application |
| CN101437044A (en) * | 2008-11-28 | 2009-05-20 | 中兴通讯股份有限公司 | Method and system for downloading file by point-to-point network technique based on sliced sheet |
| CN101562635A (en) * | 2009-05-15 | 2009-10-21 | 中兴通讯股份有限公司 | Method and player for mobile streaming media on demand |
| CN101697553A (en) * | 2009-10-12 | 2010-04-21 | 中国科学院计算技术研究所 | Data transmission method under P2P environment |
| CN101764834A (en) * | 2008-12-24 | 2010-06-30 | 中国移动通信集团公司 | Method, user terminal and system for sharing files in group |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8131673B2 (en) * | 2006-12-05 | 2012-03-06 | International Business Machines Corporation | Background file sharing in a segmented peer-to-peer file sharing network |
| WO2009103345A1 (en) * | 2008-02-22 | 2009-08-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for obtaining media over a communications network |
| CN102170475A (en) * | 2011-04-22 | 2011-08-31 | 中兴通讯股份有限公司 | File distribution system and fragmentation method based on P2P (peer-to-peer) |
-
2011
- 2011-04-22 CN CN2011101026310A patent/CN102170475A/en active Pending
- 2011-12-19 WO PCT/CN2011/084210 patent/WO2012142844A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080162718A1 (en) * | 2005-08-09 | 2008-07-03 | Yongmin Zhang | Method and Apparatus for Transmitting Data in Blocks |
| CN101330434A (en) * | 2007-06-19 | 2008-12-24 | 中国电信股份有限公司 | Method for storing node content for telecommunication P2P application |
| CN101437044A (en) * | 2008-11-28 | 2009-05-20 | 中兴通讯股份有限公司 | Method and system for downloading file by point-to-point network technique based on sliced sheet |
| CN101764834A (en) * | 2008-12-24 | 2010-06-30 | 中国移动通信集团公司 | Method, user terminal and system for sharing files in group |
| CN101562635A (en) * | 2009-05-15 | 2009-10-21 | 中兴通讯股份有限公司 | Method and player for mobile streaming media on demand |
| CN101697553A (en) * | 2009-10-12 | 2010-04-21 | 中国科学院计算技术研究所 | Data transmission method under P2P environment |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012142844A1 (en) * | 2011-04-22 | 2012-10-26 | 中兴通讯股份有限公司 | P2p-based file distribution system and slicing method |
| CN103188279B (en) * | 2011-12-27 | 2016-06-01 | 中国电信股份有限公司 | By the method and apparatus that peer-to-peer network downloads file from multiple neighbor nodes |
| CN103188279A (en) * | 2011-12-27 | 2013-07-03 | 中国电信股份有限公司 | Method and device for downloading file from neighbor nodes through peer-to-peer network |
| CN102546786A (en) * | 2011-12-29 | 2012-07-04 | 中兴通讯股份有限公司 | Method and system for variable-length access of multi-media files in content distribution network |
| CN102546786B (en) * | 2011-12-29 | 2015-04-01 | 中兴通讯股份有限公司 | Method and system for variable-length access of multi-media files in content distribution network |
| CN103634332A (en) * | 2012-08-20 | 2014-03-12 | 中国移动通信集团公司 | A streaming media transmission method based on a P2P, an apparatus thereof and a system thereof |
| CN103634332B (en) * | 2012-08-20 | 2016-12-21 | 中国移动通信集团公司 | A kind of flow-medium transmission method based on P2P, Apparatus and system |
| CN104168081B (en) * | 2013-05-20 | 2018-09-07 | 腾讯科技（深圳）有限公司 | A kind of document transmission method and device |
| CN104168081A (en) * | 2013-05-20 | 2014-11-26 | 腾讯科技（深圳）有限公司 | Document transmission method and device |
| US9967315B2 (en) | 2013-05-20 | 2018-05-08 | Tencent Technology (Shenzhen) Company Limited | Electronic device, storage medium and file transferring method |
| CN103731499A (en) * | 2013-12-31 | 2014-04-16 | 兴天通讯技术（天津）有限公司 | Terminal and file transfer method |
| CN103731499B (en) * | 2013-12-31 | 2018-01-05 | 兴天通讯技术（天津）有限公司 | Terminal and document transmission method |
| CN104967640A (en) * | 2014-07-31 | 2015-10-07 | 腾讯科技（深圳）有限公司 | Data storage method, apparatus and system |
| CN106231440A (en) * | 2016-07-22 | 2016-12-14 | 华为技术有限公司 | A kind of files in stream media burst method for down loading, device and terminal |
| WO2018014557A1 (en) * | 2016-07-22 | 2018-01-25 | 华为技术有限公司 | Method, device, and terminal for downloading streaming media file fragment |
| CN106101146A (en) * | 2016-08-12 | 2016-11-09 | 暴风集团股份有限公司 | The method and system that Flash peer-to-peer network is live are carried out based on block style |
| CN107888633A (en) * | 2016-09-29 | 2018-04-06 | 上海帝联信息科技股份有限公司 | Document distribution method and device |
| CN107888633B (en) * | 2016-09-29 | 2020-10-20 | 上海帝联信息科技股份有限公司 | File distribution method and device |
| CN108512770A (en) * | 2017-02-28 | 2018-09-07 | 华为技术有限公司 | Data traffic distribution method and relevant device |
| CN108512770B (en) * | 2017-02-28 | 2020-10-23 | 华为技术有限公司 | Data flow distribution method and related equipment |
| CN106993054A (en) * | 2017-05-05 | 2017-07-28 | 腾讯科技（深圳）有限公司 | Document distribution method, node and system |
| CN106993054B (en) * | 2017-05-05 | 2022-06-03 | 腾讯科技（深圳）有限公司 | File distribution method, node and system |
| CN109525622A (en) * | 2017-09-19 | 2019-03-26 | 阿里巴巴集团控股有限公司 | The generation method of fragment resource ID, resource sharing method, device and electronic equipment |
| CN109525622B (en) * | 2017-09-19 | 2021-11-26 | 阿里巴巴集团控股有限公司 | Fragment resource ID generation method, resource sharing method, device and electronic equipment |
| CN107734045A (en) * | 2017-10-25 | 2018-02-23 | 深圳市雷鸟信息科技有限公司 | Network file request, network file processing method, television terminal, file server and system |
| CN109167845A (en) * | 2018-11-27 | 2019-01-08 | 云之端网络(江苏)股份有限公司 | A kind of fragment cache memory and recombination method towards big file distributing scene |
| CN109922142B (en) * | 2019-02-21 | 2022-04-19 | 创新先进技术有限公司 | File downloading method, device and system |
| CN109922142A (en) * | 2019-02-21 | 2019-06-21 | 阿里巴巴集团控股有限公司 | A kind of document down loading method, apparatus and system |
| CN109981751A (en) * | 2019-03-06 | 2019-07-05 | 珠海金山网络游戏科技有限公司 | A kind of document transmission method and system, computer equipment and storage medium |
| CN109981751B (en) * | 2019-03-06 | 2022-06-17 | 珠海金山网络游戏科技有限公司 | File transmission method and system, computer equipment and storage medium |
| WO2020216035A1 (en) * | 2019-04-22 | 2020-10-29 | 北京开广信息技术有限公司 | Real-time pushing method and real-time receiving method for media stream, server, and client |
| CN111447265A (en) * | 2020-03-24 | 2020-07-24 | 深圳市网心科技有限公司 | File storage method, file downloading method, file processing method and related components |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012142844A1 (en) | 2012-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102170475A (en) | File distribution system and fragmentation method based on P2P (peer-to-peer) | |
| CN101237429B (en) | Stream media living broadcasting system, method and device based on content distribution network | |
| CN102811258B (en) | Data Concurrent method for down loading, device and the network equipment | |
| CN108848530B (en) | Method and device for acquiring network resources and scheduling server | |
| CN103457999B (en) | A kind of P2P document transmission method based on the NDN network architecture | |
| CN106993054A (en) | Document distribution method, node and system | |
| KR20130088774A (en) | System and method for delivering segmented content | |
| JP2006025408A5 (en) | ||
| KR20100071971A (en) | Methods and apparatus for cooperative file distribution with target data delivery rate | |
| CN102404182A (en) | Transmission control method and device | |
| CN104104973A (en) | Group bandwidth management optimization method applied to cloud media system | |
| CN103826139A (en) | CDN system, watching server and streaming media data transmission method | |
| CN102387195A (en) | Directional web server-based resource accelerated downloading system and method | |
| CN104253868A (en) | Method and device for synchronizing of cloud storage data | |
| CN105978936A (en) | CDN server and data caching method thereof | |
| CN109962961A (en) | A kind of reorientation method and system of content distribution network CDN service node | |
| CN108540400A (en) | A kind of data transfer control method, control device, terminal and readable storage medium storing program for executing | |
| WO2022166584A1 (en) | Point-to-point network scheduling method and system | |
| CN110401731B (en) | Method and apparatus for distributing content distribution nodes | |
| CN108833554B (en) | Large-scale network-oriented real-time high-reliability message distribution system and method thereof | |
| CN106101184B (en) | A kind of document down loading method and playback equipment | |
| CN109218447B (en) | Media file distribution method and file distribution platform | |
| CN102291412A (en) | Multimedia service implementation method, system and device based on HTTP (hyper text transfer protocol) | |
| CN102075584A (en) | Distributed file system and access method thereof | |
| CN110784534B (en) | Data service method, device and system and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110831 |