CN102201968A - Method, device and system for distributing user bandwidth in Internet protocol television (IPTV) - Google Patents
Method, device and system for distributing user bandwidth in Internet protocol television (IPTV) Download PDFInfo
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- CN102201968A CN102201968A CN2010101345275A CN201010134527A CN102201968A CN 102201968 A CN102201968 A CN 102201968A CN 2010101345275 A CN2010101345275 A CN 2010101345275A CN 201010134527 A CN201010134527 A CN 201010134527A CN 102201968 A CN102201968 A CN 102201968A
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Abstract
The embodiment of the invention discloses a method, device and system for distributing user bandwidth in Internet protocol television (IPTV). The method for distributing user bandwidth in IPTV comprises the following steps of: receiving a service request sent by user equipment; judging whether the required bandwidth of a service in the service request surpasses the current access bandwidth of the user equipment; if the required bandwidth of the service surpasses the current access bandwidth of the user equipment, sending a request on distributing the required bandwidth of the service to network access equipment; and receiving the bandwidth distributed by the network access equipment according to the request on distributing the required bandwidth of the service. By adopting the scheme, distribution of a large quantity of fixed-bandwidth resources to each IPTV user is not required, so that idling of the bandwidth resources can be reduced effectively and flexible distribution of the overall bandwidth resource of the system is realized. Under the condition that the overall bandwidth resource is not changed, services of higher levels can be realized or the user capacity of an IPTV system is further increased.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method, the Apparatus and system of distributing user bandwidth in a kind of Web TV.
Background technology
(Internet Protocol Television is a kind of brand new technical that merges telecommunications network, Broadcasting Cable Network and Internet characteristics IPTV) to Web TV, can provide the multiple interactive services that comprises Digital Television to the user.The user can realize making a phone call, surf the Net, seeing demands such as TV based on same physical connection, can also enjoy integrated services such as data, voice, video.
In existing implementation, operator the user opening IPTV when professional, for the user distributes fixing bandwidth.Yet in actual applications, IPTV comprise browse, multiple business form such as voice, SD, high definition, the different business forms also has very big difference to the requirement of the network bandwidth, adopt existing implementation, the user is in case IPTV has been opened in application, it is specifically professional which kind of no matter carries out, and all will take identical bandwidth resources, causes the long-time idle of this part bandwidth resources.On the other hand, professional requirement for the network bandwidth such as HD video is than higher, and under the resource-constrained condition of current network overall bandwidth, the IPTV system also is difficult to support the professional and higher user capacity of higher level.
IPTV is a kind of multimedia service based on broadband network, and the bandwidth resources of current basic broadband network are still limited, how the limited bandwidth resources of better utilization for IPTV user provides high quality services, have become the key of restriction IPTV business development.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the invention provides method, the Apparatus and system of distributing user bandwidth in a kind of Web TV, to realize dynamically adjusting IPTV user's access bandwidth according to the practical business demand.Technical scheme is as follows:
The embodiment of the invention provides the method for distributing user bandwidth in a kind of Web TV, comprising:
Receive the service request that subscriber equipment sends;
Judge whether demand bandwidth professional in the described service request surpasses the current access bandwidth of described subscriber equipment;
If the demand bandwidth of described business surpasses the current access bandwidth of described subscriber equipment, then send the request of the demand bandwidth of distributing described business to network access equipment;
Receive the bandwidth of described network access equipment according to the request distribution of the demand bandwidth of the described business of described distribution.
The embodiment of the invention also provides a kind of network TV server, it is characterized in that, comprising:
The service request receiving element is used to receive the service request that subscriber equipment sends;
The bandwidth judging unit is used for judging whether the professional demand bandwidth of described service request surpasses the current access bandwidth of described subscriber equipment;
The bandwidth allocation request unit is used in the judged result of described bandwidth judging unit sending the request of the demand bandwidth of distributing described business to network access equipment when being;
The allocated bandwidth receiving element is used to receive the bandwidth of described network access equipment according to the request distribution of the demand bandwidth of the described business of described distribution.
The embodiment of the invention also provides a kind of network television system, comprises subscriber equipment, network access equipment and above-mentioned network TV server.
The technical scheme that the embodiment of the invention provided is initiated actual service request according to IPTV user, and it is distributed the corresponding bandwidth resource.Compared with prior art, by when judging that service request demand bandwidth surpasses the current access bandwidth of subscriber equipment, then distribute the bandwidth of this service request demand to the network access equipment request.Promptly do not need for each IPTV user distributes a large amount of fixed-bandwidth resources, therefore can effectively reduce the idle of bandwidth resources, realize the flexible allotment of system in its entirety bandwidth resources.Under the constant situation of overall bandwidth resource, the user capacity that also more helps realizing the professional of higher level or further improve the IPTV system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of distributing user bandwidth in the Web TV of the embodiment of the invention;
Fig. 2 is the another kind of flow chart of the method for distributing user bandwidth in the Web TV of the embodiment of the invention;
Fig. 3 is the structural representation of the network TV server of the embodiment of the invention;
Fig. 4 is the another kind of structural representation of the network TV server of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
At first the method to distributing user bandwidth in a kind of Web TV that the embodiment of the invention provided describes, and referring to shown in Figure 1, may further comprise the steps:
S101 receives the service request that subscriber equipment sends;
S102 judges whether demand bandwidth professional in the described service request surpasses the current access bandwidth of described subscriber equipment;
S103 if the demand bandwidth of described business surpasses the current access bandwidth of described subscriber equipment, then sends the request of the demand bandwidth of distributing described business to network access equipment;
S104 receives the bandwidth of described network access equipment according to the request distribution of the demand bandwidth of the described business of described distribution.
The executive agent of above-mentioned steps can be the miscellaneous service server apparatus in the IPTV system, describes for convenient, it is referred to as the IPTV server herein.In the practical application, the user applies for certain bandwidth in the IPTV system when opening an account in the IPTV system.After applying for successfully, the user may use different multimedia services in the utilized bandwidth process, and the bandwidth of different multimedia service demands is not quite similar, for example some multimedia service is higher to bandwidth requirement, needs bigger bandwidth, even can surpass the user in the bandwidth of application of opening an account.At this moment user's bigger bandwidth of application that may need to open an account again, but the user generally can not use the multimedia service higher to bandwidth requirement always, if open an account again after the bigger bandwidth of application, when using, can cause the waste of bandwidth to the lower multimedia service of bandwidth requirement.For example: user A has applied for that when opening an account the bandwidth of 1M watches the SD video in the IPTV system, when watching the ultra high-definition video, the user may need 2M or higher bandwidth, at this moment the 1M bandwidth just can not satisfy user's demand, and when the user applies for 2M or higher bandwidth again, the user will cause the waste of bandwidth when watching the SD video, only need the 1M bandwidth because watch the SD video.Therefore the scheme of using the embodiment of the invention and being provided, the IPTV server is initiated service request according to the user, judge whether demand bandwidth professional in the service request from user surpasses the access bandwidth of applying for when subscriber equipment is opened an account, if this professional demand bandwidth surpasses the access bandwidth of applying for when subscriber equipment is opened an account, then send the request that distributes this professional demand bandwidth to network access equipment, receive the bandwidth of network access equipment at last, thereby the business that realizes the user is used request according to the request distribution of the demand bandwidth of the described business of described distribution.Access device carries out allocated bandwidth according to user's business demand bandwidth, applies for too high bandwidth thereby need not the user when opening an account.Realized the saving of bandwidth resources.Under the constant situation of overall bandwidth resource, make the user capacity of realizing the professional of higher level or further improving system become possibility.
Concrete application demand below in conjunction with the IPTV system is described in further detail technical scheme of the present invention.
The IPTV system can provide many-sided business such as data, voice, video for the user, wherein, video traffic particularly HD video service needed takies a large amount of bandwidth, the scheme that present embodiment provided is when the user inserts the IPTV network, to distribute a less access bandwidth for it earlier, when this bandwidth can't satisfy user's practical business demand, dynamically access bandwidth is adjusted again.Referring to shown in Figure 2, present embodiment is that example describes in current application dial-up access mode widely:
S201, the IPTV subscriber equipment sends the network insertion request to network access equipment.
In the present embodiment, subscriber equipment adopts the dial mode access network, send the access request message by PPPoE (Point-to-PointProtocol over Ethernet, Point-to-Point Protocol over Ethernet) mode to network access equipment, carry information such as user and password in this message.Wherein, subscriber equipment can comprise STB (SetTop Box, set-top box), PC etc., network access equipment can comprise BAS (Broadband AccessServer, BAS Broadband Access Server), NAS (Network Access Server, network access server) etc.
S202, BAS/NAS sends the access authentication request to AAA.
BAS/NAS sends the access authentication request to AAA, further username and password is sent to AAA (Authentication, Authorization, Accounting, authentication and authorization charging) server and authenticates.
S203, AAA system receive the access authentication request, extract user name and password, and this are inserted request carry out legitimacy authentication (comprising the correctness, user class of password etc.), if authentication is passed through, then determine a basic access bandwidth for the user.Therefore wherein, this primary bandwidth generally can satisfy daily use demands such as the user surfs the web, makes a phone call and get final product, and can distribute a less numerical value, for example 512K, 1M or the like, and the concrete numerical value that distributes also can be determined according to user's rank.
S204, for the user that authentication is passed through, AAA issues insertion authority message and gives BAS/NAS, in insertion authority message, carries determined basic access bandwidth information.
S205, BAS/NAS receive after the insertion authority message that AAA issues, according to the basic access bandwidth information of carrying in the message, open user's network insertion authority, and be user's distributing IP address.
S206 behind the subscriber equipment success access network, further sends IPTV user authentication request message to the IPTV server, in this request message, carries user name and password that the user carries out the IPTV business.
S207, the IPTV server carries out business authentication according to the user name and the password that carry in the IPTV user authentication request message to the user.
S208, after business authentication passed through, the IPTV server sent IPTV service authorization message to subscriber equipment, and to the tabulation of user's issuing service, at this moment, subscriber equipment has successfully inserted the IPTV operation system, can carry out various IPTV business.
S209, subscriber equipment sends the IPTV business request information to the IPTV server.In this message, carry user's network access information, for example information such as user name, IP address, IP port, access session.
S210, IPTV server determine this professional required bandwidth according to the IPTV business request information that subscriber equipment sends.
After determining this professional required bandwidth, whether the IPTV service can further compare the current access bandwidth of user more than or equal to this professional required bandwidth, if then directly provide professional for the user; Otherwise, will continue carry out follow-up step, ask for the higher bandwidth of user equipment allocation to carry out business.
Be understandable that, the step of above-mentioned judgement also can be finished by subscriber equipment, that is: subscriber equipment is judged current access bandwidth voluntarily and can't be satisfied the business of carrying out of being about to, and carry corresponding bandwidth in the IPTV business request information and adjust application information, the IPTV server can be determined and need adjust access bandwidth and continue to carry out follow-up step for subscriber equipment according to this information.
S211, the IPTV server is to AAA request change user bandwidth.
The IPTV server sends CoA-Request (Change of Authorization Request, the request of authorizing a change) message, sign and this professional bandwidth demand information of carrying subscriber equipment in the message to AAA.
S212, AAA transmits CoA-Request message to BAS/NAS;
After S213, BAS/NAS receive CoA-Request message, adjust user's access bandwidth according to this message.
S214, if bandwidth adjustment success, BAS/NAS sends CoA-ACK (response authorizes a change) message to AAA.
S215, AAA is to IPTV server forwards CoA-ACK message.
S216, the IPTV server sends the service request response to subscriber equipment, informs user bandwidth adjustment success.
S217, IPTV server carry out the business that subscriber equipment is asked on adjusted bandwidth.
So far, the user has obtained higher access bandwidth, and the IPTV server can be carried out the business that subscriber equipment is asked on adjusted bandwidth.After business was finished, the IPTV server can be according to next step operation of user, and whether decision is left the adjusted bandwidth of user.For example, the user watches after the HD video, the Video service that is through with, and then the IPTV server can be back to primary bandwidth with user's access bandwidth adjustment to the network access equipment request; If the user also will further watch other videos, then can repeat the step of S209-S217, finish until customer service.
Use the present embodiment technical scheme, when the user inserts the IPTV network, at first distribute a less basic access bandwidth to satisfy its daily use demand for it.When the user will carry out higher professional of high definition equiband demand, according to the actual bandwidth demand of business, dynamically adjust user's access bandwidth again, thereby improved the utilance of the IPTV business of differentiation for bandwidth resources.
On the other hand, present embodiment is based on the PPPoE dial-up access of current extensive use and the mode of aaa authentication, on existing IPTV system-based, get through getting in touch between IPTV server and the AAA system, utilize the standard agreement between AAA system and the BAS/NAS system, finish the dynamic adjustment of user's access bandwidth, do not need the existing systems network architecture and agreement are carried out very big change, have lower realization cost.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM (Read-Only Memory, read-only storage memory body), RAM (RandomAccess Memory stores memory body at random), magnetic disc or CD.
Corresponding to top method embodiment, the embodiment of the invention also provides a kind of IPTV server, referring to shown in Figure 3, comprising:
Service request receiving element 301 is used to receive the service request that subscriber equipment sends;
Bandwidth allocation request unit 303 is used in the judged result of described bandwidth judging unit sending the request of the demand bandwidth of distributing described business to network access equipment when being;
Allocated bandwidth receiving element 304 is used to receive the bandwidth of described network access equipment according to the request distribution of the demand bandwidth of the described business of described distribution.
Referring to shown in Figure 4, the IPTV server that the embodiment of the invention provided can further include:
Bandwidth recovery request unit 305 is used for sending the request that recovers the basic access bandwidth of user to network access equipment after this professional execution finishes;
Bandwidth is recovered receiving element 306, is used to receive the basic access bandwidth of described network access equipment according to the request distribution of the basic access bandwidth of described recovery user.
The above-mentioned IPTV server that provides is provided, can be initiated actual service request, it is distributed the corresponding bandwidth resource according to the user.And at unique user when not having bandwidth demand, bandwidth resources can be discharged and be used to serve other users.That is to say, same bandwidth resources can be used for different users in the different time periods, for the IPTV system, can allocate more flexibly bandwidth resources, under the constant situation of overall bandwidth resource, make the user capacity of realizing the professional of higher level or further improving system become possibility.
The embodiment of the invention also provides a kind of IPTV system, comprises subscriber equipment, network access equipment and IPTV server,
Wherein, described IPTV server can be identical with aforesaid IPTV server, no longer repeat specification here.Described subscriber equipment can be STB (Set Top Box, set-top box) or PC etc., and described network access equipment specifically can comprise: authentication authorized charging server AAA and access server; Wherein,
AAA is used to receive the request for allocation that described IPTV server sends, and described bandwidth allocation request is forwarded to access server; In the described bandwidth allocation request, carry the sign of subscriber equipment and this professional bandwidth demand information that this subscriber equipment is asked at least;
Access server is used for according to described bandwidth allocation request, is the corresponding access bandwidth of described user equipment allocation, and wherein, access server can be BAS Broadband Access Server BAS or network access server NAS.
The above-mentioned IPTV system that provides, based on the PPPoE dial-up access of current extensive use and the mode of aaa authentication, on existing IPTV system-based, get through getting in touch between IPTV server and the AAA system, utilize the standard agreement between AAA system and the BAS/NAS system, finish the dynamic adjustment of user's access bandwidth, do not need the existing network architecture and agreement are carried out very big change, have lower realization cost.
For device or system embodiment, because it is substantially corresponding to method embodiment, so relevant part gets final product referring to the part explanation of method embodiment.Device described above or system embodiment only are schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
In several embodiment that the application provided, should be understood that, disclosed system, apparatus and method not surpassing in the application's the spirit and scope, can realize in other way.Current embodiment is a kind of exemplary example, should be as restriction, and given particular content should in no way limit the application's purpose.For example, the division of described unit or subelement only is that a kind of logic function is divided, and during actual the realization other dividing mode can be arranged, and for example a plurality of unit or a plurality of subelement combine.In addition, a plurality of unit can or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.
In addition, institute's descriptive system, the schematic diagram of apparatus and method and different embodiment, in the scope that does not exceed the application, can with other system, module, technology or method in conjunction with or integrated.Another point, the shown or coupling each other discussed or directly to be coupled or to communicate to connect can be by some interfaces, the indirect coupling of device or unit or communicate to connect can be electrically, machinery or other form.
The above only is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the method for distributing user bandwidth in the Web TV is characterized in that described method comprises:
Receive the service request that subscriber equipment sends;
Judge whether demand bandwidth professional in the described service request surpasses the current access bandwidth of described subscriber equipment;
If the demand bandwidth of described business surpasses the current access bandwidth of described subscriber equipment, then send the request of the demand bandwidth of distributing described business to network access equipment;
Receive the bandwidth of described network access equipment according to the request distribution of the demand bandwidth of the described business of described distribution.
2. method according to claim 1 is characterized in that,
Describedly send to distribute the request of the demand bandwidth of described business, comprising to network access equipment:
Send bandwidth allocation request, sign and this professional bandwidth demand information of carrying described subscriber equipment in the described bandwidth allocation request at least to authentication authorized charging server;
Described authentication authorized charging server is forwarded to access server with described bandwidth allocation request;
Described reception network access equipment comprises according to the bandwidth of the request distribution of the demand bandwidth of the described business of described distribution:
Receive the bandwidth that described access server distributes according to described bandwidth allocation request.
3. method according to claim 1 and 2 is characterized in that, also comprises:
After this professional execution finishes, send the request that recovers the basic access bandwidth of user to network access equipment;
Receive the basic access bandwidth of described network access equipment according to the request distribution of the basic access bandwidth of described recovery user.
4. method according to claim 1 and 2 is characterized in that, described access server comprises: BAS Broadband Access Server or network access server.
5. a network TV server is characterized in that, comprising:
The service request receiving element is used to receive the service request that subscriber equipment sends;
The bandwidth judging unit is used for judging whether the professional demand bandwidth of described service request surpasses the current access bandwidth of described subscriber equipment;
The bandwidth allocation request unit is used in the judged result of described bandwidth judging unit sending the request of the demand bandwidth of distributing described business to network access equipment when being;
The allocated bandwidth receiving element is used to receive the bandwidth of described network access equipment according to the request distribution of the demand bandwidth of the described business of described distribution.
6. network TV server according to claim 5 is characterized in that, also comprises:
Bandwidth recovery request unit is used for sending the request that recovers the basic access bandwidth of user to network access equipment after this professional execution finishes;
Bandwidth is recovered receiving element, is used to receive the basic access bandwidth of described network access equipment according to the request distribution of the basic access bandwidth of described recovery user.
7. a network television system is characterized in that, comprises subscriber equipment, network access equipment and as claim 5 or 6 described network TV servers.
8. system according to claim 7 is characterized in that, described network access equipment comprises authentication authorized charging server and access server;
Described authentication authorized charging server is used to receive the request for allocation that described network TV server sends, and described bandwidth allocation request is forwarded to access server; In the described bandwidth allocation request, carry the sign of subscriber equipment and this professional bandwidth demand information that this subscriber equipment is asked at least;
Described access server is used for according to described bandwidth allocation request, is the corresponding access bandwidth of described user equipment allocation.
9. system according to claim 7 is characterized in that, described access server comprises: BAS Broadband Access Server or network access server.
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| CN2010101345275A CN102201968A (en) | 2010-03-25 | 2010-03-25 | Method, device and system for distributing user bandwidth in Internet protocol television (IPTV) |
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Application publication date: 20110928 |