CN100550743C - The shared method of digital content in a kind of point to point network - Google Patents
The shared method of digital content in a kind of point to point network Download PDFInfo
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- CN100550743C CN100550743C CNB2005101095688A CN200510109568A CN100550743C CN 100550743 C CN100550743 C CN 100550743C CN B2005101095688 A CNB2005101095688 A CN B2005101095688A CN 200510109568 A CN200510109568 A CN 200510109568A CN 100550743 C CN100550743 C CN 100550743C
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Abstract
The invention discloses the shared method of digital content in a kind of point to point network, comprise: steps A, terminal is as the download terminal download digital content, simultaneously provide upload service for other download terminals as last transmission terminal, and whether inspection downloads the full release of this digital content that finishes, if execution in step B then, otherwise continue execution in step A; Step B, terminal becomes one of distribution terminal of this digital content, and other download terminals continue from this digital content of distribution terminal downloads.Adopt the shared method of digital content in the above point to point network, further solved digital content supplier and born heavy problem, improved the speed of download of digital content, strengthened the reliability of download digital content.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to the shared method of digital content in a kind of mobile point to point network.
Background technology
Along with the continuous popularization of data, services in the mobile communication, mobile data network is more and more ripe, and some functions of PC also can be accomplished on portable terminal.It is point-to-point that (Pear to Pear, P2P) the technology digital content that is used for mobile data network is shared, for making full use of of resource provides the good platform instrument.
Exist in the typical mobile P 2 P network content provider (Content Provider, CP), each download terminal and management server (Management Server, MS) these several character types.CP is the initial supplier of digital content, and it has the copyright of this digital content, collects the charges to the download terminal that uses this digital content.Each download terminal download digital content is paid the expense of using this digital content simultaneously.Digital content file is divided into several file sheets when shared.If being arranged, a plurality of terminals download this digital content simultaneously, these terminals are when obtaining content as download terminal so, also some file sheet that will download to this local content as last transmission terminal is uploaded to the other-end that does not also have these file sheets, as shown in Figure 1.For certain specific digital content, CP and download terminal are formed one and are downloaded the group, and downloading the group is to concern one to one with digital content.MS provides the retrieval service of digital content, and the managing of all kinds of expenses when digital content shared, and MS also safeguards the essential information of downloading each terminal among the group simultaneously.
In the prior art, after intact this content of terminal downloads, disconnect connection immediately, no longer for other-end provides upload service, as terminal among Fig. 22 and terminal 4.Like this, though terminal has been shared the part burden of CP when downloading, from whole download group, the terminal that upload service can be provided that has of not stopping breaks from downloading the group, the burden that these terminals are shared is whole again, perhaps is most of at least, is born by CP.When digital content is popular, when the people of Xia Zaiing was a lot of simultaneously, the burden of CP was still very heavy.And, when digital content is shared, can provide the terminal of uploading many more, whole download group's speed of download is just fast more.But in the prior art, do not download the group though do not stop to have terminal to add, also do not stop to have terminal to leave and download the group, can provide the terminal of uploading always to limit within the specific limits, the therefore whole speed of download of downloading the group can not be greatly improved.Simultaneously, if the unexpected broken string of CP does not just have other-end to have the full release of this digital content on the network, after must waiting until the CP network recovery, the terminal of not finishing download just can obtain full release.
This shows that the shortcoming of prior art is:
1, just part has solved the heavy problem of CP burden.
2, whole download group's speed of download is low.
3, whole download group is unstable, may be because the accident broken string of CP causes downloading group's collapse.
Summary of the invention
In view of this, main purpose of the present invention is to provide the shared method of digital content in a kind of mobile point to point network, with the heavy problem of CP burden in the further solution prior art, improves the whole group's of download speed of download simultaneously, increases the stability of downloading the group.
In order to achieve the above object, the invention provides the shared method of digital content in a kind of point to point network, this method comprises:
Steps A, terminal be as the download terminal download digital content, provides upload service as last transmission terminal for other download terminals simultaneously, and check the full release of whether downloading this digital content that finishes, if execution in step B1 then, otherwise continue execution in step A;
Step B1, whether terminal judges has disconnected and being connected of other download terminals of downloading this digital content from terminal self, if execution in step B3 then, otherwise execution in step B2;
Step B2, whether terminal check will continue as the upload service that other download terminals provide this digital content, if execution in step B5 then, otherwise execution in step B6;
Step B3, terminal applies to become the distribution terminal of digital content to management server;
Step B4, this terminal of management server mandate becomes the distribution terminal of this digital content;
Step B5, terminal becomes one of distribution terminal of this digital content, and other download terminals are from this digital content of distribution terminal downloads;
Step B6, terminal disconnects and being connected of other download terminals of downloading this digital content from terminal self.
Wherein, described point to point network is mobile point to point network.
Wherein, described download terminal is simultaneously from least two distribution terminal downloads digital contents.
Wherein, described download be download terminal according on the management server for this digital content maintenance and management upload end message tabulation and/or the tabulation of distribution end message, select to go up transmission terminal respectively and/or the distribution terminal is downloaded.
Wherein, describedly upload end message and the distribution end message comprises the online situation and the address information of terminal at least, described download terminal selects to go up that transmission terminal and/or distribution terminal download is that download terminal is:
Judge according to online situation and to go up transmission terminal and/or whether the distribution terminal is online, be connected to online last transmission terminal according to address information again and/or distribute terminal and download.
Wherein, this method further comprises:
Step C, terminal is stopping to provide upload service, disconnect and download the flow of uploading that will write down after being connected of other download terminals of this digital content from terminal self and report to management server, the flow of uploading that management server is reported according to terminal gives certain expense to this terminal and compensates.
Wherein, between step B1 and step B3, further comprise: step D, whether terminal checking application provides the digital content of uploading to provide the digital content of uploading consistent with actual preparation, if unanimity then file an application to management server, otherwise do not file an application.
Wherein, the digital content uploaded is provided in described checking application and whether actual to prepare to provide the digital content uploaded consistent be whether filename, file size and file format according to digital content file is all mated and carried out, if whole couplings then be judged as unanimity, any one do not match then be judged as inconsistent.
Wherein, between step B3 and step B4, further comprise:
Whether step e, the application of management server verification terminal provide the digital content of uploading to provide the digital content of uploading consistent with the actual preparation of this terminal, if unanimity then execution in step B4, otherwise would send the unsanctioned message of checking to terminal.
Wherein, whether consistent may further comprise the steps of the digital content that provides the digital content uploaded and the actual preparation of this terminal to provide to upload is provided for described verification terminal application:
E1, terminal is calculated reality according to hash function and is prepared to provide the digital digest of the digital content of uploading and its part of doing application is submitted to management server, comprises at least also in the application that application provides the unique identification of the digital content of uploading;
E2, management server provide the unique identification of the digital content of uploading to find this digital content relevant information from the database on the management server according to terminal to apply;
E3, whether the digital digest that digital digest that the management server comparison terminal is submitted to and management server are preserved is just the same, if just the same then judge that terminal to apply provides the digital content of uploading to provide the digital content of uploading consistent with the actual preparation of this terminal, otherwise be judged as inconsistent.
Adopt the shared method of digital content provided by the invention, can encourage more terminal after having downloaded digital content, to keep being connected and provide upload service and providing the terminal of uploading to upload the compensation of traffic statistics and expense not from download group disconnection, there is the terminal that upload service more can be provided to exist at synchronization like this, the burden of CP has obtained further alleviating, and has also improved the whole group's of download speed of download simultaneously.Synchronization has a plurality of terminals that the upload service of digital content full release can be provided on network, has strengthened the reliability of downloading.
As seen, the method for the present invention's proposition has the following advantages:
1, further alleviated the burden of CP.
2, improved the speed of download of downloading the group.
3, guaranteed the reliability of downloading.
Description of drawings
Fig. 1 is all terminals network structure when downloading in the prior art.
Fig. 2 is that some terminal is finished network structure after the download in the prior art.
Fig. 3 is that some terminal is finished network structure after the download among the present invention.
Fig. 4 is that MS goes up the data structure of downloading group's foundation for each among the present invention.
Fig. 5 is a terminal downloads and continue to provide the flow chart of upload service among the present invention.
Fig. 6 is the flow chart that MS continues to provide the application of upload service to handle to terminal among the present invention.
Embodiment
The shared method of digital content in the mobile point to point network provided by the present invention, its core concept are to allow terminal continue as the other-end of downloading among the group as the distribution terminal after download finishes the full release of digital content upload service are provided, as shown in Figure 3.Like this, can provide the terminal number of upload service to obtain increasing among the same group of download, further share the burden of CP, have the owner of a plurality of digital content full releases among the simultaneously same download group.Therefore method provided by the present invention has the advantage of low, the whole speed of download height of CP burden, download group good stability.For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Please refer to Fig. 4, Fig. 4 is that MS goes up the data structure of downloading group's foundation for each among the present invention.
Call number is used for this download of unique identification group.Because each digital content has only one to download the group, thus call number also unique identification this digital content; Equally, identify digital content and also just identified this index group.
Content indexing information is used to provide terminal retrieval to digital content on MS.
Content size is used to represent that the file of this digital content is always big or small.
The suitability of content is used to illustrate the terminal configuration that can use this content.This explanation avoided terminal downloads a certain digital content but can't use.
The content essential information, the optional data territory is by other information about this content of MS definition.
The digital digest of content is used and the consistency of verifying the digital content that the distribution terminal provides.The distribution terminal refers to the terminal that upload service still is provided for other download terminals behind the full release of having downloaded digital content, for a certain specific digital content, distributes terminal and only uploads and do not download.The consistency of digital content refers to the distribution terminal and has the All Files sheet of this digital content, and shared digital content is consistent in the digital content that provides of distribution terminal and this downloads group.This digital digest is being provided when the MS registration is shared by CP.This digital digest is the 128bit binary sequence that is calculated according to digital content by Hash (Hash) function.
Upload terminal list, write down among this download group and download the end message of uploading simultaneously.In fact, the most of terminal one side among the download group from the other-end download digital content, provides upload service as last transmission terminal for other-end again as download terminal on the one hand, that is to say it promptly is that upward transmission terminal is again a download terminal.But for whole download group, what more be concerned about is that terminal provides situation about uploading as last transmission terminal, so this tabulation can be called " uploading terminal list ".The content of record comprises the online situation of terminal and the address of terminal at least, and file sheet numbering, the terminal of this digital content of uploading/having had on the download ratio, this terminal that can also comprise that this terminal sets finished during downloading uploads flow.
The distribution terminal list write down in this downloads group once or all terminals of distributing.The content of record comprises the online situation of terminal and the address of terminal at least, can also comprise the flow of uploading that terminal finished during distributing.
Copyright information verifies for MS whether this copyright information is effective.CP is carrying out before content shares, must (Digital Rights Management DRM) carries out copyright registration in the system, provide registration situation to MS then, and MS carries out inquiring and authenticating according to the copyright information of uploading in the DRM system to copyright management.After other-end has been downloaded content, to DRM, go to apply for that obtaining mandate can use content.
Author information is used to deposit the initial creator's (being exactly CP) of this digital content information.This information is used for paying copyright fee in future to this creator.
Wherein, the suitability of call number, content indexing information, content size, content and content essential information are to the searching terminal full disclosure.And the digital digest of author information, copyright information and content is only to use for MS is inner.
It is according to circumstances open to searching terminal after searching terminal sends download request by MS to upload/terminal list, distribute terminal list.If last transmission terminal or distribution terminal a lot (such as, more than 100), then MS according to some (going up transmission terminal and 5 distribution terminals) or ratio such as 10 (such as 10% and distribution terminal of last transmission terminal 5%) end message of restriction in will tabulating offer searching terminal.For specific searching terminal, MS provides different last transmission terminal and distribution end message, selects loading source to download by this terminal.If last transmission terminal or distribution terminal fewer (such as, last transmission terminal is less than 10, the distribution terminal is less than 5), then MS will upload terminal list or all end messages of distributing in the terminal list offer searching terminal.Searching terminal is selected loading source according to the tabulation that MS provides.
Please refer to Fig. 5, Fig. 5 is the flow chart that terminal participates in distribution among the present invention.
Step 504, terminal provides uploading of this digital content as the distribution terminal to the other-end that is connected to this terminal.Simultaneously, terminal inner uploads the total flow of uploading during the flowmeter counter opening entry distribution.
In step 501, terminal can point out the user that uploading/the download ratio during the download is set before beginning to download.This ratio can be based on flow, promptly uploads total flow than downloading total flow; Also can be based on bandwidth, promptly upload the bandwidth ratio download bandwidth; Can also not ratio but absolute magnitude, promptly provide uploading of much flows altogether before finishing downloading.
In step 502, the file sheet size of each digital content can be that what to fix also can be variable.In order to realize simply can adopting fixed size.And variable-size is used for according to network condition file fragmentation, adopts the small documents sheet during unstable networks, and network condition adopts big file sheet when good.
Please refer to Fig. 6, Fig. 6 is the flow chart that MS handles terminal distribution application.
Whether step 605 disconnects and being connected of other download terminals stops distribution from what terminal self was downloaded this digital content thereby MS judges the distribution terminal, if execution in step 606 then, otherwise continuation execution in step 605.
Need to prove, the shared method of digital content in the point to point network provided by the present invention, though be at the transfer point network, the i.e. point to point network that all constitutes by portable terminal, proposed, but be not limited only to be applied to this type of network, can also be used for a part and be portable terminal, another part is the point to point network that fixed terminal is formed.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, the shared method of digital content in a kind of point to point network is characterized in that this method comprises:
Steps A, terminal be as the download terminal download digital content, provides upload service as last transmission terminal for other download terminals simultaneously, and check the full release of whether downloading this digital content that finishes, if execution in step B1 then, otherwise continue execution in step A;
Step B1, whether terminal judges has disconnected and being connected of other download terminals of downloading this digital content from terminal self, if execution in step B3 then, otherwise execution in step B2;
Step B2, whether terminal check will continue as the upload service that other download terminals provide this digital content, if execution in step B5 then, otherwise execution in step B6;
Step B3, terminal applies to become the distribution terminal of digital content to management server;
Step B4, this terminal of management server mandate becomes the distribution terminal of this digital content;
Step B5, terminal becomes one of distribution terminal of this digital content, and other download terminals are from this digital content of distribution terminal downloads;
Step B6, terminal disconnects and being connected of other download terminals of downloading this digital content from terminal self.
2, the shared method of digital content in the point to point network according to claim 1 is characterized in that, described point to point network is mobile point to point network.
3, the shared method of digital content in the point to point network according to claim 1 is characterized in that, described download terminal is simultaneously from least two distribution terminal downloads digital contents.
4, the shared method of digital content in the point to point network according to claim 1, it is characterized in that, described download be download terminal according on the management server for this digital content maintenance and management upload end message tabulation and/or the tabulation of distribution end message, select to go up transmission terminal respectively and/or the distribution terminal is downloaded.
5, the shared method of digital content in the point to point network according to claim 4, it is characterized in that, describedly upload end message and the distribution end message comprises the online situation and the address information of terminal at least, described download terminal is selected to go up transmission terminal and/or distribution terminal and is downloaded and be:
Download terminal judges according to online situation and goes up transmission terminal and/or whether the distribution terminal is online, is connected to online last transmission terminal according to address information again and/or distributes terminal and download.
6, the shared method of digital content in the point to point network according to claim 1 is characterized in that this method further comprises:
Step C, terminal is stopping to provide upload service, disconnect and download the flow of uploading that will write down after being connected of other download terminals of this digital content from terminal self and report to management server, the flow of uploading that management server is reported according to terminal gives certain expense to this terminal and compensates.
7, the shared method of digital content in the point to point network according to claim 1 is characterized in that, further comprises between step B1 and the step B3:
Step D, whether terminal checking application provides the digital content of uploading to provide the digital content of uploading consistent with actual preparation, if unanimity then file an application to management server, otherwise do not file an application.
8, the shared method of digital content in the point to point network according to claim 7, it is characterized in that, the digital content uploaded is provided in described checking application and whether actual to prepare to provide the digital content uploaded consistent be whether filename, file size and file format according to digital content file is all mated and carried out, if whole couplings then be judged as unanimity, any one do not match then be judged as inconsistent.
9, the shared method of digital content in the point to point network according to claim 1 is characterized in that, further comprises between step B3 and step B4:
Whether step e, the application of management server verification terminal provide the digital content of uploading to provide the digital content of uploading consistent with the actual preparation of this terminal, if unanimity then execution in step B4, otherwise would send the unsanctioned message of checking to terminal.
10, the shared method of digital content in the point to point network according to claim 9 is characterized in that, whether consistent may further comprise the steps of the digital content that provides the digital content uploaded and the actual preparation of this terminal to provide to upload is provided for described verification terminal application:
E1, terminal is calculated reality according to hash function and is prepared to provide the digital digest of the digital content of uploading and its part of doing application is submitted to management server, comprises at least also in the application that application provides the unique identification of the digital content of uploading;
E2, management server provide the unique identification of the digital content of uploading to find this digital content relevant information from the database on the management server according to terminal to apply;
E3, whether the digital digest that digital digest that the management server comparison terminal is submitted to and management server are preserved is just the same, if just the same then judge that terminal to apply provides the digital content of uploading to provide the digital content of uploading consistent with the actual preparation of this terminal, otherwise be judged as inconsistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101095688A CN100550743C (en) | 2005-10-25 | 2005-10-25 | The shared method of digital content in a kind of point to point network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101095688A CN100550743C (en) | 2005-10-25 | 2005-10-25 | The shared method of digital content in a kind of point to point network |
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| Publication Number | Publication Date |
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| CN1859105A CN1859105A (en) | 2006-11-08 |
| CN100550743C true CN100550743C (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101095688A Expired - Fee Related CN100550743C (en) | 2005-10-25 | 2005-10-25 | The shared method of digital content in a kind of point to point network |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192946B (en) * | 2006-11-28 | 2010-08-25 | 欧阳炳宇 | A method and system for improving download efficiency of special P2P built-in terminal |
| CN101594316B (en) * | 2008-05-30 | 2012-06-06 | 华为技术有限公司 | Management method, content query method, system and device of distributed network |
| CN101883147B (en) * | 2010-06-30 | 2014-12-10 | 中兴通讯股份有限公司 | Method and system for realizing multi-party video share |
| US9634903B2 (en) | 2012-01-18 | 2017-04-25 | Nokia Technologies Oy | Method and apparatus for distributing content to multiple devices |
| CN103297522A (en) * | 2013-05-31 | 2013-09-11 | 东蓝数码股份有限公司 | Method for resource sharing by peer-to-peer technology based on wireless local area network |
| CN104602047B (en) * | 2014-12-05 | 2019-01-15 | 海信集团有限公司 | Sharing method, server, terminal and the system of EPG data |
| CN105871999A (en) * | 2015-12-21 | 2016-08-17 | 乐视云计算有限公司 | P2P (Peer to Peer) network node connection method, device and system |
| CN105812452A (en) * | 2016-03-01 | 2016-07-27 | 深圳前海勇艺达机器人有限公司 | Household local area network resource sharing system solution scheme based on intelligent robot platform |
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2005
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| CN1859105A (en) | 2006-11-08 |
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