CN103139177B - Method for downloading multimedia data and communication system - Google Patents
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- CN103139177B CN103139177B CN201110392074.0A CN201110392074A CN103139177B CN 103139177 B CN103139177 B CN 103139177B CN 201110392074 A CN201110392074 A CN 201110392074A CN 103139177 B CN103139177 B CN 103139177B
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Abstract
The invention discloses method and the communication system of the download of a kind of multi-medium data, method comprises: download in the process of multi-medium data user, when detecting that the subscriber terminal equipment of user side there occurs replacing, then obtain the downloading task information of user, this downloading task information comprises the identification information of this multi-medium data, the multi-medium data downloaded and the information of multi-medium data do not downloaded; Described downloading task information is sent to described user terminal.The method that multi-medium data provided by the invention is downloaded and communication system, when user terminal there occurs switching, system can identify this event, and initiatively send task notifications to guarantee that downloading of task is not lost to user terminal, can support that user selects is continue to download the part do not completed simultaneously, still again downloads.Enhance the flexibility that user selects, improve the experience of user.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of multimedia downloading method and communication system.
Background technology
Along with the development of the Internet, multimedia service have also been obtained and develops fast, in the multimedia service provided in the Internet or IPTV at present, download when user has ordered a certain multimedia programming requirement, do not complete if downloaded, then there will be user and downloaded part multi-medium data, also have the situation that part is not downloaded simultaneously.
After user terminal upgrades, user needs the terminal using this new, reselects this program and download in numerous programs.User needs to remember have which program not download, and this program has been downloaded how many before user no matter, user needs to download one time again, and user does not all download sometimes, such as certain program user has downloaded the first half and has watched, so user is more after new terminal, will not wish again to download the first half.The scheme of prior art can not meet this demand of user, affect the experience of user, and many employings content distributing network (ContentDeliveryNetwork, hereinafter referred to as CDN) during owing to providing multimedia service, waste be also result in the storage resources of server.
Summary of the invention
The invention provides method and the communication system of the download of a kind of multi-medium data, in order to when user terminal there occurs switching, enhance the flexibility that user downloads multi-medium data, improve the experience of user.
The invention provides a kind of method that multi-medium data is downloaded, comprising:
Download in the process of multi-medium data user, when detecting that the subscriber terminal equipment of user side there occurs replacing, then obtain the downloading task information of user, this downloading task information comprises the identification information of this multi-medium data, the multi-medium data downloaded and the information of multi-medium data do not downloaded;
Described downloading task information is sent to described user terminal.
Present invention also offers the communication system that a kind of multi-medium data is downloaded, comprising:
Media exchange center, for downloading in the process of multi-medium data user, when detecting that the subscriber terminal equipment of user side there occurs replacing, then obtain the downloading task information of user, this downloading task information comprises the identification information of this multi-medium data, the multi-medium data downloaded and the information of multi-medium data do not downloaded; And send described downloading task information to described user terminal;
User terminal, when receiving the downloading task information that described media exchange center sends, send downloading task request to described media exchange center, described downloading task request comprises the identification information of described multi-medium data and the task notifications information of described multi-medium data; Described Multimedia Task announcement information is attached most importance to newly downloaded or is continued to download.
The method that multi-medium data provided by the invention is downloaded and communication system.When user terminal there occurs switching, system can identify this event, and initiatively sends task notifications to guarantee that downloading of task is not lost to user terminal, and can support that user selects is continue to download the part do not completed simultaneously, still again downloads.Enhance the flexibility that user selects, improve the experience of user.
Accompanying drawing explanation
The structure chart of the network communicating system that Fig. 1 a provides for first embodiment of the invention;
The method flow diagram that Fig. 1 b downloads for the multi-medium data that first embodiment of the invention provides;
The method flow diagram that Fig. 1 c downloads for multi-medium data when user that first embodiment of the invention provides changes user terminal;
The method flow diagram that Fig. 2 downloads for the multi-medium data that second embodiment of the invention provides;
The structural representation of the communication system that Fig. 3 downloads for the multi-medium data that third embodiment of the invention provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of method that multi-medium data is downloaded, in order to when user terminal there occurs switching, can support that user selects is continue to download the part do not completed, and still again downloads.Enhance the flexibility that user selects, improve the experience of user.
The method of the present embodiment realizes based on the network communicating system shown in Fig. 1 a, shown in Fig. 1 a, this network communicating system comprises: user terminal such as the Set Top Box of user or PC (personal computer) etc., media download network element, media exchange center and user's configuration center.
Wherein, when network communicating system carries out actual deployment, the module that media exchange center relates to comprises: registration service module, exchange of media module, Media Resource Server, media control server; The module that user's configuration center relates to comprises authentication service module, data synchronization service module.
Based on this network communicating system, user downloads multi-medium data by user terminal (as Set Top Box or PC).Be depicted as in this network communicating system see Fig. 1 b, user downloads the flow chart of multi-medium data.Details are as follows:
1, registration request is initiated in user terminal start, comprises user ID in registration request.
2, registration service module issues authentication service module after receiving registration request, requires to carry out certification to user identity.
3, after authentication service module receives registration request, generating messages response is to realize the authentication to user, and in the present embodiment, authentication adopts the mode according to generating random number challenge word.After authentication authorization and accounting authentication service module receives registration request, generate random number and calculate challenge word, random number and challenge word are returned to registration service module.
4, registration service module sends unauthorized response to user, requires to carry out authentication to user.Authentication is carried out as random number issued user terminal requirement.
5, user terminal is according to the unauthorized response received, and generates registed authorization request and sends to registration service module.After calculating challenge word according to random number, registration service module issued in this challenge word.
6, registration service module carries out authentication to user after receiving registed authorization request, and the challenge word of the challenge word and the transmission of authentication service module that contrast the user terminal transmission received as adopted is to realize the authentication to user.
7, after passing through the authentication of user, registration service module sends certification to user terminal and passes through information.
8, user terminal sends user configuration information to registration service module.
9, registration service module sends to the data synchronization service module of user's configuration center to carry out Data Update the user configuration information received.
Just achieve the authentication to user terminal by above-mentioned flow process, user terminal just can adopt conventional mode to carry out multi-medium data download.Further, after the present embodiment also needs to consider that user terminal there occurs replacing, how supporting that user selects is continue to download the multi-medium data do not completed, and still again downloads, to strengthen the flexibility that user selects, improves the experience of user.Method is as follows:
10, whether registration service module check user terminal is changed, if changed, then sends the notice of user terminal renewal to exchange of media module.
The mark of user terminal comprises user ID and device identification, user ID in order to the identity of identifying user, the equipment that device identification uses in order to identifying subscriber terminal.User terminal as user A is Set Top Box, then user ID can be the SIM card of user A or the account of user A, and in order to identify this user A, and device identification can be the mark such as sequence number, MAC Address of this Set Top Box, the equipment used in order to identifying user A; User terminal as user B is PC, then user ID can be the account of user B, and in order to identify this user B, and device identification can be the MAC Address of this PC, in order to identify the equipment that this user B uses.
Therefore, when whether the user terminal detecting certain user is changed, whether the device identification that can detect the user terminal corresponding to user ID of this user changes, and if so, then illustrates that the user terminal of this user is changed.As, user A has changed Set Top Box, but still uses former SIM card or account, then when the device identification (as Set Top Box sequence number) that SIM card or account that this user A detected are corresponding there occurs change, then think that the user terminal of user A there occurs replacing.
11, exchange of media module check user downloaded content, the download do not completed if having, then send the task notifications do not downloaded to user terminal, this task notifications comprises the mark of the multi-medium data that user terminal needs are downloaded.
12, user terminal carries out media download to exchange of media module request, comprises the multi-medium data mark that needs are downloaded in solicited message.
13, after exchange of media module receives media download request, if need authentication, exchange of media module sends to corresponding authentication module the request carrying out media download.
14, authentication module carries out authentication to user terminal.Authenticating result is returned to exchange of media module.If authentication is not passed through, then exchange of media module is not passed through user terminal response authentication, terminates this flow process.If authentication is passed through, then perform 15.
15, exchange of media module returns authentication to user terminal and passes through, and the address information of media control server or domain-name information are sent to user terminal.
16, the multimedia Download Info of this user terminal of exchange of media module notice media control server.
17, user terminal is initiated request to media control server and is downloaded node listing to obtain.
18, after media control server receives the request obtaining and download node listing, the resource situation of network element is downloaded to Media Resource Server inquiry media.
19, Media Resource Server to media control server return this user terminal can media download network element and other nodal informations.
20, media control server returns download node listing to user terminal, downloading the network element of user terminal this locality in node listing as preferably downloading node, downloading in node listing the node that also may comprise other.
21, user terminal downloads respectively to downloading such as the media of this locality of the node in node listing the request that network element sends download multi-medium data.
22, provide the node of service (downloading network element for the media of this locality) to carry out certification according to the request of the user terminal received to user terminal, certification sends response message by rear line terminal, and multi-medium data is sent to user terminal.
User terminal, to the mode of other node requesting multimedia data and step 21 and 22 similar, does not repeat them here.
23, after user terminal detects that data have been downloaded, send data to exchange of media module and download completion notice.
24, exchange of media module informs relevant media control server the relevant information that this user terminal downloads completes.
Through above-mentioned flow process, just achieve user after having changed user terminal, still can complete the download of multi-medium data.
After multi-medium data has been downloaded, optionally, when user carries out playing or drag multimedia download list, first user terminal checks local multimedia download list, if multi-medium data is downloaded, directly play, otherwise the multi-medium data that user terminal has been downloaded according to playing sequence override requests is play.
Just achieving user under normal conditions by said method and carry out the download of multi-medium data, and in the process of user's downloading data, carried out authentication repeatedly, by adopting this security mechanism, ensure that the safe transmission of multimedia downloading service.
Further contemplate user in the present embodiment at download multi-medium data, and when having carried out the replacing of user terminal, carry out the method for corresponding multi-medium data download.Be the flow chart of the method see Fig. 1 c, comprise:
101, during user terminal start-up logging, whether registration service module check user terminal is changed.
If 102 user terminals there occurs replacing, the terminal of this user of registration service module notice exchange of media module is changed.
103, the downloading task information of this user of exchange of media module check, then downloading task information is sent to user terminal if any the downloading task do not completed, notify that this user terminal has not downloaded of task, the identification information of abortive multi-medium data is comprised in downloading task information, and the multi-medium data downloaded and the information of multi-medium data do not downloaded.
104, user terminal receives downloading task information.
User, according to this downloading task information, can define the task which does not download, and each task needs size, the multi-medium data amount downloaded and the multi-medium data amount do not downloaded of the multi-medium data downloaded.User can get information about very much download situation, can select how to process these downloading task flexibly thus.Such as, user can select again to download, or on the basis of former downloading task, continues to download the multi-medium data do not completed.
If 105 users start downloading task, then user terminal carries out media download to media exchange center transmission request information with request, content mark and task notifications mark in solicited message.
When user carries out media download to media exchange center request, in the solicited message of transmission, comprise the information such as the identification information of abortive multi-medium data, task notifications information.Task notifications information can be attached most importance to newly downloaded or be continued to download, and user can select flexibly according to the demand of oneself.According to content identification, media exchange center can determine that user needs to download that multi-medium data, determine again to download this multi-medium data according to task notifications mark, or namely the download multi-medium data that continues only downloads the multi-medium data do not completed.
106, media exchange center notice is that the media download network element that described user serves sends the multi-medium data do not completed in this task to user.
The concrete manner of execution of this step can to download in flow process 12 later steps with reference to above-mentioned multimedia, repeats no more herein.
The method that the multi-medium data that the present embodiment provides is downloaded.When user terminal there occurs switching, system can identify this event, and initiatively sends task notifications to guarantee that downloading of task is not lost to user terminal, and can support that user selects is continue to download the part do not completed simultaneously, still again downloads.Enhance the flexibility that user selects, improve the experience of user.And multiple safe mechanism is have employed in the downloading process of multi-medium data, ensure that the safe transmission of multimedia downloading service.
The method that the multi-medium data provided for second embodiment of the invention see Fig. 2 is downloaded, the executive agent of the method can media exchange center, and method comprises:
Step 201, download in the process of multi-medium data user, when detecting that the subscriber terminal equipment of user side there occurs replacing, then obtain the downloading task information of user, this downloading task information comprises the identification information of this multi-medium data, the multi-medium data downloaded and the information of multi-medium data do not downloaded.
In the present embodiment, download in the process of multi-medium data user, media exchange center can obtain the downloading task information of user, comprises the multi-medium data that record has been downloaded and the multi-medium data do not downloaded.When media exchange center is when detecting that the user terminal of user side there occurs replacing, then this downloading task information recorded before obtaining, to send this mission bit stream to user terminal, is selected to be continue to download or again download by user oneself.
Step 202, send described downloading task information to described user terminal.
User, after receiving downloading task information, just can select again to download or continue to download as required.
When media exchange center receives the abortive request of download that described user terminal sends, then the media download network element that notice is described user's service sends the multi-medium data do not completed in this task to described user.
When media exchange center receives the request of the downloading task again that user terminal sends, then notice is that the media that described user serves download network element sends this task again all data to described user terminal.
The method that the multi-medium data that the present embodiment provides is downloaded.When user terminal there occurs switching, system can identify this event, and initiatively sends task notifications to guarantee that downloading of task is not lost to user terminal, and can support that user selects is continue to download the part do not completed simultaneously, still again downloads.Enhance the flexibility that user selects, improve the experience of user.
The structural representation of the communication system that the multi-medium data provided for third embodiment of the invention see Fig. 3 is downloaded, comprising:
Media exchange center 32, for downloading in the process of multi-medium data user, when detecting that the subscriber terminal equipment of user side there occurs replacing, then obtain the downloading task information of user, this downloading task information comprises the identification information of this multi-medium data, the multi-medium data downloaded and the information of multi-medium data do not downloaded; And send described downloading task information to described user terminal.
And user terminal 31, when receiving the downloading task information that described media exchange center sends, send downloading task request to described media exchange center, described downloading task request comprises the identification information of described multi-medium data and the task notifications information of described multi-medium data; Described Multimedia Task announcement information is attached most importance to newly downloaded or is continued to download.
User is after receiving downloading task information, can select as required again to download or continue to download.
Described media exchange center 32 receives the downloading task request that described user terminal sends, and the task notifications information in described downloading task request is when continuing download, then notify that the media of serving for described user are downloaded network element and sent the multi-medium data do not completed in this task to described user.
Described media exchange center 32 receives the downloading task request that described user terminal sends, and the task notifications information in described downloading task request is when attaching most importance to newly downloaded, then notice downloads network element to all data again sending this task to described user terminal for the media of described user's service.
The method that the multi-medium data that the present embodiment provides is downloaded.When user terminal there occurs switching, system can identify this event, and initiatively sends task notifications to guarantee that downloading of task is not lost to user terminal, and can support that user selects is continue to download the part do not completed simultaneously, still again downloads.Enhance the flexibility that user selects, improve the experience of user.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (2)
1. a method for multi-medium data download, is characterized in that, comprising:
Download in the process of multi-medium data user, when detecting that the subscriber terminal equipment of user side there occurs replacing, then obtain the downloading task information of user, this downloading task information comprises the identification information of this multi-medium data, the multi-medium data downloaded and the information of multi-medium data do not downloaded;
Described downloading task information is sent to described user terminal;
When the abortive request of the download receiving the transmission of described user terminal, then the media that notice is described user's service are downloaded network element and are sent the multi-medium data do not completed in this task to described user;
When receiving the request of the downloading task again that user terminal sends, then notice is that the media that described user serves download network element sends this task again all data to described user terminal.
2. a communication system for multi-medium data download, is characterized in that, comprising:
Media exchange center, for downloading in the process of multi-medium data user, when detecting that the subscriber terminal equipment of user side there occurs replacing, then obtain the downloading task information of user, this downloading task information comprises the identification information of this multi-medium data, the multi-medium data downloaded and the information of multi-medium data do not downloaded; And send described downloading task information to described user terminal;
User terminal, when receiving the downloading task information that described media exchange center sends, send downloading task request to described media exchange center, described downloading task request comprises the identification information of described multi-medium data and the task notifications information of described multi-medium data; Described Multimedia Task announcement information is attached most importance to newly downloaded or is continued to download;
Described media exchange center receives the downloading task request that described user terminal sends, and the task notifications information in described downloading task request is when continuing download, then notify that the media of serving for described user are downloaded network element and sent the multi-medium data do not completed in this task to described user;
Described media exchange center receives the downloading task request that described user terminal sends, and the task notifications information in described downloading task request is when attaching most importance to newly downloaded, then notice downloads network element to all data again sending this task to described user terminal for the media of described user's service.
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| CN201110392074.0A CN103139177B (en) | 2011-11-30 | 2011-11-30 | Method for downloading multimedia data and communication system |
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| CN201110392074.0A CN103139177B (en) | 2011-11-30 | 2011-11-30 | Method for downloading multimedia data and communication system |
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| CN103139177B true CN103139177B (en) | 2016-02-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9756102B2 (en) * | 2013-10-07 | 2017-09-05 | Qualcomm Incorporated | Request cancellation method for media streaming |
| CN105791062A (en) * | 2016-03-11 | 2016-07-20 | 中国联合网络通信集团有限公司 | Method for identifying service, home gateway, and home network system |
| CN110020035B (en) * | 2017-09-06 | 2023-05-12 | 腾讯科技（北京）有限公司 | Data identification method and device, storage medium and electronic device |
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