CN110087105A

CN110087105A - A kind of IPTV multicast turns the switching method and device of unicast

Info

Publication number: CN110087105A
Application number: CN201810071725.8A
Authority: CN
Inventors: 吴平
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-01-25
Filing date: 2018-01-25
Publication date: 2019-08-02
Anticipated expiration: 2038-01-25
Also published as: CN110087105B

Abstract

The problem of the embodiment of the present application discloses the switching method and device that a kind of IPTV multicast turns unicast, is related to network communication technology field, solves mass users while applying for that multicast turns unicast, causes network load moment to increase, even results in system crash.The specific scheme is that generating user list according to the user information of N number of user, list configuration will be used for electronic performance nevigation server firstly, management server collects the user information of N number of user；After electronic performance nevigation server receives the programme information request of set-top box transmission, determine that user list includes set-top box identification, send programme information response, programme information response includes the multicast address of the corresponding program of program identification and the unicast address of program, so that the unicast stream of the multicast data flow of set-top box requests program or program.The embodiment of the present application is used to request the process of unicast stream.

Description

A kind of IPTV multicast turns the switching method and device of unicast

Technical field

The invention relates to the switching methods that network communication technology field more particularly to a kind of IPTV multicast turn unicast And device.

Background technique

Increasingly developed with network technology, Streaming Media is widely applied with the features such as its intuitive, real-time, interactivity In in all multi-services such as video on demand, the Web-based instruction, network direct broadcasting.Interactive Internet TV (Internet Protocol Television, IPTV) it is based on telecommunication network technology, Internet technology, television network broadcast technology and media transport technology The novel media information service technology of one kind set up, realize user at any time and any place, in any terminal Live streaming and order video program can be watched.

In the prior art, the part programme televised live of IPTV is that Streaming Media is transmitted to user's access by IP multicast mode Network (content distributing network (Content Delivery Network, CDN)) is realizing the same of single-point transmission multipoint reception When, the occupancy of network bandwidth is not only reduced, and reduce network load.During transmitting multicast data, if link or Person's node failure, causes muticast data transmission to fail, and terminal device can be again from Electronic Program Guide (Electronic Program Guide, EPG) the spare unicast address that obtains in server, unicast is sent to dispatch server according to unicast address Service request.But in the case where multicast router failure or content source injection failure, it may appear that group occurs in the user of magnanimity Business application failure is broadcast, at this time if all users apply for that multicast turns unicast simultaneously, will lead to the increase of network load moment, very To leading to system crash.

Summary of the invention

The embodiment of the present application provides the switching method and device that a kind of IPTV multicast turns unicast, solves mass users simultaneously The problem of application multicast turns unicast, causes network load moment to increase, even result in system crash.

In order to achieve the above objectives, the embodiment of the present application adopts the following technical scheme that

The embodiment of the present application in a first aspect, provide the switching method that a kind of IPTV multicast turns unicast, be applied to management clothes Business device, method includes: firstly, collecting the user information of N number of user, and user information includes set-top box identification, user account, user At least one in business account, set top box multicast failure rate, subscriber household device model, User Priority and user networking information It is a；Then, user list is generated according to N number of user information, user list includes M set-top box identification；To Electronic Program Guide Server sends user list, and N indicates to open user's number of IPTV, and M is more than or equal to 1 and is less than or equal to N.The embodiment of the present application The IPTV multicast of offer turns the switching method of unicast, and management server is collected analysis to the user information of N number of user, generates User list is configured to electronic performance nevigation server, in order to which electronic performance nevigation server only includes to user list The corresponding set-top box of set-top box identification provides the multicast address of program and the unicast address of program, thus, efficiently avoid sea Amount user applies for the problem of multicast turns unicast, and caused network load moment increases, the system crash even resulted in simultaneously.

With reference to first aspect, in one possible implementation, after generating user list according to user information, side Method further include: the corresponding set-top box of each set-top box identification sends configuration information into M set-top box identification, and configuration information is used for Instruction allows set-top box requests unicast service.Under the premise of management server control multicast turns the number of users of unicast, configuration machine Top box requests the permission of unicast service, further controls while applying for that multicast turns the number of users of unicast, reduces network load.

The second aspect of the embodiment of the present application provides the switching method that a kind of IPTV multicast turns unicast, is applied to electronics section Mesh navigation server, method include: the user list for receiving management server and sending, and user list includes M set-top box identification； The programme information request that receiving set up box is sent, programme information request include set-top box identification and program identification, set-top box identification Any one in M set-top box identification for including for user list；User list is inquired according to set-top box identification；Determine that user arranges Table includes set-top box identification, sends programme information response to set-top box, programme information response includes the corresponding program of program identification Multicast address and program unicast address.IPTV multicast provided by the embodiments of the present application turns the switching method of unicast, passes through pipe Reason server is collected analysis to the user information of N number of user, generates user list, is configured to Electronic Program Guide service Device, so that electronic performance nevigation server only provides the group of program to the corresponding set-top box of set-top box identification that user list includes The unicast address of address and program is broadcast, thus, it efficiently avoids mass users while applying for that multicast turns unicast, caused network The problem of load transients increase, the system crash even resulted in.

The third aspect of the embodiment of the present application provides the switching method that a kind of IPTV multicast turns unicast, is applied to set-top box, Method includes: to send programme information request to electronic performance nevigation server, and programme information request includes set-top box identification and section Target is known；The programme information response that electronic performance nevigation server is sent is received, programme information response includes that program identification is corresponding Program multicast address and program unicast address；According to the multicast data flow of the multicast address request program of program；When default The multicast data flow for not receiving program in long determines that multicast service request fails；The first unicast service is sent to dispatch server to ask It asks, the request of the first unicast service includes the address of dispatch server and the unicast address of program；Receive what dispatch server was sent Business redirects message, and business redirects the unicast server address that message includes the unicast stream of set-top box requests program；Xiang Dan It broadcasts server and sends the request of the second unicast service, the second unicast service is with requesting the unicast including unicast server address and program Location.IPTV multicast provided by the embodiments of the present application turns the switching method of unicast, is believed by user of the management server to N number of user Breath is collected analysis, generates user list, electronic performance nevigation server is configured to, in order to electronic performance nevigation server The multicast address of program and the unicast address of program only are provided to the corresponding set-top box of set-top box identification that user list includes, is made Set-top box according to the multicast data flow of the multicast address request program of program, in the case where set-top box does not request multicast data flow according to The unicast stream of the unicast address request program of program, thus, it efficiently avoids mass users while applying for that multicast turns unicast, lead The problem of network load moment of cause increases, the system crash even resulted in.

In conjunction with the third aspect, in one possible implementation, asked sending the first unicast service to dispatch server Before asking, method further include: being determined according to configuration information allows set-top box requests unicast service, and configuration information is used to indicate permission Set-top box requests unicast service.Under the premise of management server control multicast turns the number of users of unicast, set-top box is according to configuration Set-top box requests unicast service authority request unicast service, further control and meanwhile apply for that multicast turns the number of users of unicast, Reduce network load.

In conjunction with above-mentioned possible implementation, in alternatively possible implementation, permit being determined according to configuration information Perhaps before set-top box requests unicast service, method further include: receive the configuration information that management server is sent.

It is taken in alternatively possible implementation to scheduling with above-mentioned possible implementation with reference to first aspect It is engaged in after device transmission the first unicast service request, method further include: receive the service denial message that dispatch server is sent, business Refuse information is used to indicate the unicast stream for not allowing set-top box requests program.

The fourth aspect of the embodiment of the present application provides the switching method that a kind of IPTV multicast turns unicast, is applied to scheduling clothes Business device, method include: the first unicast service request that receiving set up box is sent, and the request of the first unicast service includes dispatch server Address and program unicast address；The unicast stream for allowing set-top box requests program, network state packet are judged according to network state Include the number of users of current unicast and the resource consumption situation of user access networks；Business, which is sent, to set-top box redirects message, business Redirect the unicast server address that message includes the unicast stream of set-top box requests program.IPTV group provided by the embodiments of the present application The switching method for turning unicast is broadcast, analysis is collected by user information of the management server to N number of user, generates user's column Table is configured to electronic performance nevigation server, the set-top box for only including to user list in order to electronic performance nevigation server It identifies corresponding set-top box and the multicast address of program and the unicast address of program is provided, set-top box is asked according to the multicast address of program The multicast data flow for seeking program, in the case where set-top box does not request multicast data flow according to the unicast of the unicast address request program of program Stream, dispatch server control set-top box application unicast service further according to network state, thus, it is same to efficiently avoid mass users When application multicast turn unicast, the problem of caused network load moment increases, the system crash even resulted in.

In conjunction with fourth aspect, in one possible implementation, set-top box is being determined whether according to network state After the unicast service of request program, method further include: judgement does not allow the unicast stream of set-top box requests program, sends out to set-top box Service denial message is sent, service denial message is used to indicate the unicast stream for not allowing set-top box requests program.

5th aspect of the embodiment of the present application, provides a kind of management server, comprising: processing unit, for collecting N number of use The user information at family, user information include set-top box identification, user account, customer service account, set top box multicast failure rate, use At least one in family household equipment model, User Priority and user networking information, N indicate to open user's number of IPTV；Place Unit is managed, is also used to generate user list according to N number of user information, user list includes M set-top box identification, and M is more than or equal to 1 And it is less than or equal to N；Transmission unit, for sending user list to electronic performance nevigation server.

6th aspect of the embodiment of the present application, provides a kind of electronic performance nevigation server, comprising: receiving unit is used for The user list that management server is sent is received, user list includes M set-top box identification；Receiving unit is also used to receiver The programme information request that top box is sent, programme information request includes set-top box identification and program identification, and set-top box identification is user Any one in the M set-top box identification that list includes；Processing unit, for inquiring user list according to set-top box identification；Place Unit is managed, is also used to determine that user list includes set-top box identification；Transmission unit is rung for sending programme information to set-top box It answers, programme information response includes the multicast address of the corresponding program of program identification and the unicast address of program.

7th aspect of the embodiment of the present application, provides a kind of set-top box, comprising: transmission unit, for being led to electronic programming The server that navigates sends programme information request, and programme information request includes set-top box identification and program identification；Receiving unit, for connecing The programme information response that electronic performance nevigation server is sent is received, programme information response includes the group of the corresponding program of program identification Broadcast the unicast address of address and program；Processing unit is also used to the multicast data flow of the multicast address request program according to program；Processing Unit determines that multicast service request fails for not receiving the multicast data flow of program in preset duration；Transmission unit is also used In sending the request of the first unicast service to dispatch server, the request of the first unicast service includes address and the program of dispatch server Unicast address；Receiving unit, the business for being also used to receive dispatch server transmission redirect message, and business redirects message package Include the unicast server address of the unicast stream of set-top box requests program；Transmission unit is also used to send second to unicast server Unicast service request, the request of the second unicast service include the unicast address of unicast server address and program.

The eighth aspect of the embodiment of the present application provides a kind of dispatch server, comprising: receiving unit is used for receiver top The first unicast service request that box is sent, the unicast of address and program of the request of the first unicast service including dispatch server Location；Processing unit, for determining whether the unicast stream of set-top box requests program according to network state, network state includes working as The number of users of preceding unicast and the resource consumption situation of user access networks；Processing unit, being also used to determine allows set-top box requests section Purpose unicast stream；Transmission unit redirects message for sending business to set-top box, and it includes that set-top box is asked that business, which redirects message, Ask the unicast server address of the unicast stream of program.

It should be noted that the functional module of above-mentioned 5th aspect to eighth aspect can be by hardware realization, it can also be with Corresponding software realization is executed by hardware.Hardware or software include one or more modules corresponding with above-mentioned function.Example Such as, transceiver, for completing the function of receiving unit and transmission unit, processor is stored for completing the function of processing unit Device, the IPTV multicast for handling the embodiment of the present application for processor turn the program instruction of the switching method of unicast.Processor, transmitting-receiving Device is connected by bus with memory and completes mutual communication.Specifically, the IPTV group that can be provided with reference to first aspect The function of the behavior of management server in the switching method for turn unicast is broadcast, the IPTV multicast that second aspect provides turns the switching of unicast The function of the behavior of electronic performance nevigation server in method, the IPTV multicast that the third aspect provides turn in the switching method of unicast The function of the behavior of set-top box, the IPTV multicast that fourth aspect provides turn the behavior of dispatch server in the switching method of unicast Function.

9th aspect of the embodiment of the present application, provides a kind of management server, comprising: processor, memory, bus and logical Believe interface；The memory is for storing computer executed instructions, which is connect with the memory by the bus, at this When managing device operation, which executes the computer executed instructions of memory storage, so that the management server executes such as The method of above-mentioned any aspect.

Tenth aspect of the embodiment of the present application, provides a kind of computer readable storage medium, comprising: computer software refers to It enables；When computer software instructions are when management server or be built in is run in the chip of management server, so that management service Device executes the switching method that above-mentioned IPTV multicast turns unicast.

On the one hand the tenth of the embodiment of the present application, provides a kind of computer program product comprising instruction, when computer journey Sequence product when management server or be built in is run in the chip of management server so that management server execute it is above-mentioned IPTV multicast turns the switching method of unicast.

12nd aspect of the embodiment of the present application, provides a kind of electronic performance nevigation server, comprising: processor, storage Device, bus and communication interface；For the memory for storing computer executed instructions, the processor and the memory pass through the bus Connection, when processor operation, which executes the computer executed instructions of memory storage, so that the electronics section Mesh navigation server executes the method such as above-mentioned any aspect.

13rd aspect of the embodiment of the present application, provides a kind of computer readable storage medium, comprising: computer software refers to It enables；When computer software instructions are run in electronic performance nevigation server or the chip for being built in electronic performance nevigation server When, so that electronic performance nevigation server executes the switching method that above-mentioned IPTV multicast turns unicast.

The fourteenth aspect of the embodiment of the present application provides a kind of computer program product comprising instruction, when computer journey Sequence product is when electronic performance nevigation server or be built in is run in the chip of electronic performance nevigation server, so that electronics section Mesh navigation server executes the switching method that above-mentioned IPTV multicast turns unicast.

15th aspect of the embodiment of the present application, provides a kind of set-top box, comprising: processor, memory, bus and communication Interface；The memory is for storing computer executed instructions, which is connect with the memory by the bus, when the processing When device is run, which executes the computer executed instructions of memory storage, so that the set-top box executes such as above-mentioned The method for aspect of anticipating.

16th aspect of the embodiment of the present application, provides a kind of computer readable storage medium, comprising: computer software refers to It enables；When computer software instructions are when set-top box or be built in is run in the chip of set-top box so that set-top box execute it is above-mentioned IPTV multicast turns the switching method of unicast.

17th aspect of the embodiment of the present application, provides a kind of computer program product comprising instruction, when computer journey Sequence product is when set-top box or be built in is run in the chip of set-top box, so that set-top box executes above-mentioned IPTV multicast and turns unicast Switching method.

The embodiment of the present application the 18th aspect, a kind of dispatch server is provided, comprising: processor, memory, bus and Communication interface；The memory is for storing computer executed instructions, which is connect with the memory by the bus, when this When processor is run, which executes the computer executed instructions of memory storage, so that the dispatch server executes Such as the method for above-mentioned any aspect.

19th aspect of the embodiment of the present application, provides a kind of computer readable storage medium, comprising: computer software refers to It enables；When computer software instructions are when dispatch server or be built in is run in the chip of dispatch server, so that dispatch service Device executes the switching method that above-mentioned IPTV multicast turns unicast.

20th aspect of the embodiment of the present application, provides a kind of computer program product comprising instruction, when computer journey Sequence product when dispatch server or be built in is run in the chip of dispatch server so that dispatch server execute it is above-mentioned IPTV multicast turns the switching method of unicast.

In addition, technical effect brought by the design method of above-mentioned any aspect can be found in first aspect into fourth aspect Technical effect brought by different designs mode, details are not described herein again.

In the embodiment of the present application, the name of management server, electronic performance nevigation server, set-top box and dispatch server Restriction is not constituted to equipment itself, in practical implementations, these equipment can occur with other titles.As long as the function of each equipment Can be similar with the embodiment of the present application, belong within the scope of the claim of this application and its equivalent technologies.

Detailed description of the invention

Fig. 1 is the rough schematic view of the IPTV system framework provided by the embodiments of the present application using the embodiment of the present application；

Fig. 2 is the flow chart for the switching method that a kind of IPTV multicast provided by the embodiments of the present application turns unicast；

Fig. 3 is the flow chart for the switching method that another kind IPTV multicast provided by the embodiments of the present application turns unicast；

Fig. 4 is a kind of composition schematic diagram of management server provided by the embodiments of the present application；

Fig. 5 is a kind of composition schematic diagram of electronic performance nevigation server provided by the embodiments of the present application；

Fig. 6 is a kind of composition schematic diagram of set-top box provided by the embodiments of the present application；

Fig. 7 is a kind of composition schematic diagram of dispatch server provided by the embodiments of the present application；

Fig. 8 is a kind of composition schematic diagram of computer equipment provided by the embodiments of the present application；

Fig. 9 is the composition schematic diagram of another management server provided by the embodiments of the present application；

Figure 10 is the composition schematic diagram of another electronic performance nevigation server provided by the embodiments of the present application；

Figure 11 is the composition schematic diagram of another set-top box provided by the embodiments of the present application；

Figure 12 is the composition schematic diagram of another dispatch server provided by the embodiments of the present application.

Specific embodiment

In order to solve mass users while apply for that multicast turns unicast, caused network load moment increases, even results in The problem of system crash, the embodiment of the present application provide the switching method that a kind of IPTV multicast turns unicast, the basic principle is that: it is first First, management server collects the user information of N number of user, generates user list according to the user information of N number of user, user is arranged Table is configured to electronic performance nevigation server；The programme information request of set-top box transmission is received in electronic performance nevigation server Afterwards, user list is inquired according to the set-top box identification that programme information request includes, however, it is determined that user list includes set-top box identification, Programme information response is sent to set-top box, programme information response includes the multicast address and program of the corresponding program of program identification Unicast address, so that set-top box is according to the multicast address of program to the multicast data flow of multicast server request program or according to program Unicast stream of the unicast address to unicast server request program.IPTV multicast provided by the embodiments of the present application turns the switching side of unicast Method is collected analysis by user information of the management server to N number of user, generates user list, be configured to electronic programming Navigation server, electronic performance nevigation server only provide program to the corresponding set-top box of set-top box identification that user list includes Multicast address and program unicast address, thus, efficiently avoid mass users while applying for that multicast turns unicast, it is caused The problem of network load moment increases, the system crash even resulted in.

It is described in detail below in conjunction with embodiment of the attached drawing to the embodiment of the present application.

IPTV is a kind of utilization broadband cable net, integrates the multiple technologies such as internet, multimedia, communication, to Domestic consumer provides the brand-new technology of a variety of interactive services including DTV.Shown in fig. 1 is that can apply this Apply for the rough schematic view of the IPTV system framework of embodiment.As shown in Figure 1, the system architecture can be divided into client, access Net, Metropolitan Area Network (MAN) and backbone network and service center.

Backbone network and service center include management server, electronic performance nevigation server, dispatch server, unicast services Device, multicast router and live source.Management server is used to obtain the user information for the user that IPTV is opened in network, generates and uses Family list, in order to control the number of users that multicast turns unicast.Electronic performance nevigation server is used to provide various businesses for user Index and navigation, the i.e. interface of IPTV carry out traffic signaling with set-top box and interact.Dispatch server is used for unicast service Resource locator (Uniform Resource Locator, URL) is parsed, and is parsed by URL, is realized to unicast and is taken The scheduling of business device.Multicast router is used to receive the content injection of external multicast source.Unicast server is used for from multicast router Middle acquisition group business stream, and change into unicast service stream for users to use.Live source is for providing programme televised live.Backbone network and industry Business center can also include other routers, and other routers can pass through Protocol Independent Multicast (Protocol Independent Multicast, PIM) agreement obtains multicast data flow from multicast router and is transferred to client.

Metropolitan Area Network (MAN) includes road edge device (Ultimate Provider Edge, UPE) of the provider close to user side By device.UPE router is used to obtain multicast data flow from multicast router by PIM agreement.Meanwhile termination comes from client The internet agreement of multiplex broadcasting in groups (Internet Group Multicast Protocol, IGMP) request, duplicated multicast stream are given Client.

Accessing net includes optical line terminal (Optical Line Terminal, OLT).OLT is for forwarding client In IGMP request to UPE.

Client includes ONT Optical Network Terminal (Optical Network Terminal, ONT) and set-top box (Set Top Box, STB).ONT is for accessing set-top box and access OLT.Set-top box, that is, service terminal, by and electronic performance nevigation server Operation exchange is carried out, multicast address or unicast address, and application multicast service or unicast service are obtained.

Fig. 2 is the flow chart for the switching method that a kind of IPTV multicast provided by the embodiments of the present application turns unicast, such as Fig. 2 institute Show, this method may include:

S201, management server collect the user information of N number of user.

N indicates to open user's number of IPTV in a regional scope, and administrator can sets itself region according to demand Range can be the partial region etc. in a city or a city.Management server collects user information, user information packet It is preferential to include set-top box identification, user account, customer service account, set top box multicast failure rate, subscriber household device model, user At least one in grade and user networking information.Set-top box identification is system distribution for uniquely distinguishing the set-top box account of set-top box Number or set-top box network interface card MAC Address.User account can be understood as user name.Customer service account indicates user's purchase The account of packaged service.Set top box multicast failure rate is the failure rate of the set-top box application multicast data flow within this period.Subscriber household Device model, such as ONT model, home gateway model etc..User Priority is the user using the set-top box of set-top box identification Priority, for example, the rank of user can be honored guest (Very Important Person, VIP) user or ordinary user. User networking information, such as OLT or digital subscriber line access multiplex that the corresponding set-top box of set-top box identification is subordinated to (Digital Subscriber Line Access Multiplexer, DSLAM).Optionally, user information can also include Geographical position range belonging to set-top box or the grade of service of user's application.

S202, management server generate user list according to N number of user information.

After management server collects the user information of N number of user, according to set-top box identification, user account, customer service account Number, at least one factor in set top box multicast failure rate, subscriber household device model, User Priority and user networking information, M user is filtered out from N number of user.For example, it is possible, firstly, to being sieved according to user account or customer service account to user Choosing, is ranked up user further according to set top box multicast failure rate, L high user of multicast failure rate is obtained, in L user The set-top box in the corresponding set-top box of specific subscriber household device model and/or specific user networking information is chosen, M is obtained A set-top box generates user list, and user list includes the set-top box identification of M set-top box.It is of course also possible to excellent according to user First grade is ranked up user, obtains M high user of User Priority, generates user list, user list includes M user Set-top box set-top box identification.L is less than or equal to N, and L can be equal to 100 or 200, and M is less than or equal to L.

S203, management server send user list to electronic performance nevigation server.

After management server generates user list according to N number of user information, user is sent to electronic performance nevigation server List.

It should be noted that management server can periodically collect the user information of N number of user, the period can be one A month or one week, then management server can be collected with every month or weekly to the user information of N number of user, collected every time Cheng Hou generates user list according to N number of user information, and sends user list to electronic performance nevigation server.

S204, electronic performance nevigation server receive the user list that management server is sent.

After management server sends user list to electronic performance nevigation server, electronic performance nevigation server is received The user list that management server is sent.

S205, set-top box send programme information request to electronic performance nevigation server.

Programme information request includes set-top box identification and program identification.The channel mark that program identification can need to watch with user Know, for example, CCTV 1, the CCTV channel such as CCTV 2 or CCTV 3, the place such as Dragon TV, Hunan Satellite TV, Beijing TV satellite TV.

The programme information request that S206, electronic performance nevigation server receiving set up box are sent.

After set-top box sends programme information request to electronic performance nevigation server, electronic performance nevigation server receiver The programme information request that top box is sent, programme information request include set-top box identification and program identification.

S207, electronic performance nevigation server inquire user list according to set-top box identification.

After the programme information request that electronic performance nevigation server receiving set up box is sent, is inquired and used according to set-top box identification Family list.User list includes M set-top box identification, is appointed in the M set-top box identification that set-top box identification includes for user list Meaning one.

S208, electronic performance nevigation server determine that user list includes set-top box identification.Execute S209.

S209, electronic performance nevigation server send programme information response to set-top box.

Programme information response includes the multicast address of the corresponding program of program identification and the unicast address of program.

The transmission technology of Streaming Media is there are mainly three types of mode: point-to-point (Unicast), multi-address broadcast (Multicast) and It broadcasts (Broadcast).The characteristics of point-to-point mode, is: transmitting the application of streaming media server end and the receiving stream media of Streaming Media Client application correspond.Multi-address broadcast is also known as multicast, under multicast mode, transmits the streaming media server of Streaming Media The client application of end application and receiving stream media is one-to-many relationship, and this one-to-many relationship can only be in same group It establishes, that is, all clients application belonged in some group can receive the stream matchmaker of streaming media server end application transmission Body, and the client application for being not belonging to the group does not receive then.Under broadcast mode, the streaming media server end for transmitting Streaming Media is answered Be also one-to-many relationship with the client application with receiving stream media, but this one-to-many relationship unlike multicast mode that Sample is confined to group, and all clients application on same network segment can receive the stream matchmaker of streaming media server end application transmission Body.

In addition, if electronic performance nevigation server determines that user list does not include set-top box identification, Electronic Program Guide clothes The programme information response that business device is sent to set-top box only includes the multicast address of the corresponding program of program identification.

S210, set-top box receive the programme information response that electronic performance nevigation server is sent.

After electronic performance nevigation server sends programme information response to set-top box, set-top box receives Electronic Program Guide clothes The programme information response that business device is sent, programme information response include the multicast address of the corresponding program of program identification and the list of program Broadcast address.

S211, set-top box are according to the multicast data flow of the multicast address request program of program.

After set-top box receives the programme information response that electronic performance nevigation server is sent, set-top box first requests that multicast is added Group, then, according to the multicast address of program to the multicast data flow of multicast server request program.

S212, set-top box do not receive the multicast data flow of program in preset duration, determine that multicast service request fails.

After multicast data flow of the set-top box according to the multicast address request program of program, program is not received in preset duration Multicast data flow determines that multicast service request fails.Preset duration can be 1 second to 30 seconds.In order to not influence user experience, can incite somebody to action Preset duration is set as between 3 seconds to 10 seconds.

S213, set-top box send the request of the first unicast service to dispatch server.

Set-top box does not receive the multicast data flow of program in preset duration, after determining multicast service request failure, according to section The unicast stream of purpose unicast address application program.The request of first unicast service includes the address of dispatch server and the unicast of program Address.

The first unicast service request that S214, dispatch server receiving set up box are sent.

After set-top box sends the request of the first unicast service to dispatch server, dispatch server receiving set up box send the The request of one unicast service.

S215, dispatch server judge the unicast stream for allowing set-top box requests program according to network state.Execute S216.

After the first unicast service request that dispatch server receiving set up box is sent, determined whether according to network state The unicast stream of set-top box requests program.Network state includes the number of users of current unicast and the resource consumption feelings of user access networks Condition.

S216, dispatch server send business to set-top box and redirect message.

Business redirects the unicast server address that message includes the unicast stream of set-top box requests program.

S217, set-top box receive the business that dispatch server is sent and redirect message.

After dispatch server sends business redirection message to set-top box, set-top box receives the business that dispatch server is sent Redirect message.

S218, set-top box send the request of the second unicast service to unicast server.

The request of second unicast service includes the unicast address of unicast server address and program.

The second unicast service request that S219, unicast server receiving set up box are sent.

S220, unicast server send the unicast stream of program to set-top box.

After set-top box receives the unicast stream of the program of unicast server transmission, terminal (TV) display program, user is just Program can be watched.

User list is sent to electronic performance nevigation server in management server, i.e. after S203, in order to further control It makes while applying for that multicast turns the number of users of unicast, reduce network load, the permission of set-top box requests unicast service can also be set. As shown in figure 3, can with the following steps are included:

The corresponding set-top box of S221, management server each set-top box identification into M set-top box identification, which is sent, matches confidence Breath.

Configuration information, which is used to indicate, allows set-top box requests unicast service.

S222, set-top box receive the configuration information that management server is sent.

The second unicast service is sent to unicast server in set-top box to request, and before S218, needs to be implemented S223.

S223, set-top box determine permission set-top box requests unicast service according to configuration information.

Configuration information, which is used to indicate, allows set-top box requests unicast service.Configuration information can be a flag bit, mark When position is 1, set-top box allows set-top box requests unicast service, and when flag bit is 0, set-top box does not allow set-top box requests unicast industry Business.

In addition, if dispatch server does not allow the unicast stream of set-top box requests program according to network state judgement.It executes S224 and S225.

S224, dispatch server send service denial message to set-top box.

Service denial message is used to indicate the unicast stream for not allowing set-top box requests program.

S225, set-top box receive the service denial message that dispatch server is sent.

IPTV multicast provided by the embodiments of the present application turns the switching method of unicast, by management server to N number of user's User information is collected analysis, generates user list, is configured to electronic performance nevigation server, electronic performance nevigation server The multicast address of program and the unicast address of program only are provided to the corresponding set-top box of set-top box identification that user list includes, from And efficiently avoid mass users while applying for that multicast turns unicast, caused network load moment increases, and what is even resulted in is The problem of system collapse.

It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from the angle of interaction between each network element.It can With understanding, each network element, such as management server, electronic performance nevigation server, set-top box and dispatch server in order to Realize above-mentioned function, it comprises execute the corresponding hardware configuration of each function and/or software module.Those skilled in the art answer This is readily appreciated that algorithm steps described in conjunction with the examples disclosed in the embodiments of the present disclosure, the application can be with hard The combining form of part or hardware and computer software is realized.Some function drives hardware actually with hardware or computer software Mode execute, specific application and design constraint depending on technical solution.Professional technician can be to each spy Fixed application uses different methods to achieve the described function, but this realizes it is not considered that exceeding the model of the application It encloses.

The embodiment of the present application can be according to above method example to management server, electronic performance nevigation server, machine top Box and dispatch server carry out the division of functional module, can also be with for example, each functional module of each function division can be corresponded to Two or more functions are integrated in a processing module.Above-mentioned integrated module both can take the form of hardware It realizes, can also be realized in the form of software function module.It should be noted that the division of module in the embodiment of the present application It is schematically, only a kind of logical function partition, there may be another division manner in actual implementation.

In the case where each function division of use correspondence each functional module, Fig. 4 shows in above-mentioned and embodiment and relates to And management server a kind of possible composition schematic diagram, as shown in figure 4, the management server may include: processing unit 41 and transmission unit 42.

Wherein, processing unit 41, for supporting management server to execute S201 and S202 in method shown in Fig. 2, Fig. 3 Shown in S201 and S202 in method.

Transmission unit 42, for supporting management server to execute the S203 in method shown in Fig. 2, method shown in Fig. 3 In S203 and S221.

It should be noted that all related contents for each step that above method embodiment is related to can quote correspondence The function of functional module describes, and details are not described herein.

Management server provided by the embodiments of the present application for executing the above method, therefore can achieve and the above method Identical effect.

In the case where each function division of use correspondence each functional module, Fig. 5 shows in above-mentioned and embodiment and relates to And electronic performance nevigation server a kind of possible composition schematic diagram, as shown in figure 5, the electronic performance nevigation server can To include: receiving unit 51, processing unit 52 and transmission unit 53.

Wherein, receiving unit 51, for support electronic performance nevigation server execute the S204 in method shown in Fig. 2 and S206, S204 and S206 in method shown in Fig. 3.

Processing unit 52, for supporting electronic performance nevigation server to execute S207 and S208 in method shown in Fig. 2, S207 and S208 in method shown in Fig. 3.

Transmission unit 53, for supporting electronic performance nevigation server to execute the S209 in method shown in Fig. 2, Fig. 3 institute The S209 in method shown.

Electronic performance nevigation server provided by the embodiments of the present application, for executing the above method, therefore can achieve with The identical effect of the above method.

In the case where each function division of use correspondence each functional module, Fig. 6 shows in above-mentioned and embodiment and relates to And set-top box a kind of possible composition schematic diagram, as shown in fig. 6, the set-top box may include: that transmission unit 61, processing are single Member 62 and receiving unit 63.

Wherein, scheme for supporting set-top box to execute S205, S213 and S218 in method shown in Fig. 2 transmission unit 61 S205, S213 and S218 in method shown in 3.

Processing unit 62, for supporting set-top box to execute S211 and S212 in method shown in Fig. 2, side shown in Fig. 3 S211, S212 and S223 in method.

Receiving unit 63, for supporting set-top box to execute S210 and S217 in method shown in Fig. 2, side shown in Fig. 3 S210, S217, S222 and S225 in method.

Set-top box provided by the embodiments of the present application for executing the above method, therefore can achieve same as mentioned above Effect.

In the case where each function division of use correspondence each functional module, Fig. 7 shows in above-mentioned and embodiment and relates to And dispatch server a kind of possible composition schematic diagram, as shown in fig. 7, the dispatch server may include: receiving unit 71, processing unit 72 and transmission unit 73.

Wherein, receiving unit 71, it is shown in Fig. 3 for supporting dispatch server to execute the S214 in method shown in Fig. 2 S214 in method.

Processing unit 72, for supporting dispatch server to execute the S215 in method shown in Fig. 2, method shown in Fig. 3 In S215.

Transmission unit 73, for supporting dispatch server to execute the S216 in method shown in Fig. 2, method shown in Fig. 3 In S216 and S224.

Dispatch server provided by the embodiments of the present application for executing the above method, therefore can achieve and the above method Identical effect.

Fig. 8 is a kind of composition schematic diagram of computer equipment provided by the embodiments of the present application, as shown in figure 8, computer is set Standby may include at least one processor 81, memory 82, communication interface 83, communication bus 84.

It is specifically introduced below with reference to each component parts of the Fig. 8 to computer equipment:

Processor 81 is the control centre of computer equipment, can be a processor, is also possible to multiple processing elements General designation.In concrete implementation, as one embodiment, processor 81 may include a central processing unit (Central Processing Unit, CPU) or multiple CPU, such as CPU0 shown in fig. 8 and CPU1.Processor 81 is also possible to specific Integrated circuit (Application Specific Integrated Circuit, ASIC), or be arranged to implement this Shen Please embodiment one or more integrated circuits, such as: one or more microprocessors (Digital Signal Processor, DSP), or, one or more field programmable gate array (Field Programmable Gate Array, FPGA)。

Wherein, by taking processor 81 is one or more CPU as an example, processor 81 can be stored in by running or executing Software program in reservoir 82, and the data being stored in memory 82 are called, execute the various functions of computer equipment.

In the concrete realization, as one embodiment, computer equipment may include multiple processors, such as institute in Fig. 8 The processor 81 and processor 85 shown.Each of these processors can be a single core processor (single-CPU), It is also possible to a multi-core processor (multi-CPU).Here processor can refer to one or more equipment, circuit, and/or For handling the processing core of data (such as computer program instructions).

In a kind of achievable mode of the embodiment of the present application, computer equipment can be management server, processor 81 are mainly used for collecting the user information of N number of user, and generate user list according to N number of user information.

In the achievable mode of another kind of the embodiment of the present application, computer equipment can be Electronic Program Guide service Device, processor 81 are mainly used for inquiring user list according to set-top box identification, determine that user list includes set-top box identification.

In the achievable mode of another kind of the embodiment of the present application, computer equipment can be set-top box, processor 81 It is mainly used for the multicast data flow of the multicast address request program according to program, does not receive the multicast data flow of program in preset duration, Determine that multicast service request fails.

In the achievable mode of another kind of the embodiment of the present application, computer equipment can be dispatch server, processing Device 81 is mainly used for judging the unicast stream for allowing set-top box requests program according to network state.

Management server, electronic performance nevigation server, set-top box and dispatch server provided by the embodiments of the present application are used In the execution above method, therefore it can achieve effect same as mentioned above.

Memory 82 can be read-only memory (Read-Only Memory, ROM) or can store static information and instruction Other kinds of static storage device, random access memory (Random Access Memory, RAM) or letter can be stored The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read- Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this. Memory 82, which can be, to be individually present, and is connected by communication bus 84 with processor 81.Memory 82 can also and processor 81 integrate.

Wherein, the memory 82 is used to store the software program for executing application scheme, and is controlled by processor 81 It executes.

Communication interface 83, using the device of any transceiver one kind, for other equipment or communication, such as with Too net, wireless access network (Radio Access Network, RAN), WLAN (Wireless Local Area Networks, WLAN) etc..Communication interface 83 may include that receiving unit realizes that receive capabilities and transmission unit realize transmission Function.

Communication bus 84 can be industry standard architecture (Industry Standard Architecture, ISA) Bus, external equipment interconnection (Peripheral Component Interconnect, PCI) bus or extension industrial standard body Architecture (Extended Industry Standard Architecture, EISA) bus etc..The bus can be divided into address Bus, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 8, it is not intended that only one convenient for indicating Bus or a type of bus.

Device structure shown in Fig. 8 does not constitute the restriction of computer equipment, may include more more or less than illustrating Component, perhaps combine certain components or different component layouts.

Using integrated unit, Fig. 9 shows the another of management server involved in above-described embodiment A kind of possible composition schematic diagram.As shown in figure 9, the management server includes: processing module 91 and communication module 92.

Processing module 91 is for carrying out control management to the movement of management server, for example, processing module 91 is for supporting Pipe server executes S201 and S202 in Fig. 2, S201 and S202 in Fig. 3, and/or its for techniques described herein Its process.Communication module 92 is used to supporting the communication of management server Yu other network entities, for example, with function shown in Fig. 1 Communication between module or network entity.Management server can also include memory module 93, the program for storage server Code and data.

Wherein, processing module 91 can be processor or controller.It, which may be implemented or executes, combines in the application discloses Hold described various illustrative logic blocks, module and circuit.Processor is also possible to realize the combination of computing function, example It is such as combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 92 can be transceiver, Transmission circuit or communication interface etc..Memory module 93 can be memory.

When processing module 91 is processor, communication module 92 is communication interface, when memory module 93 is memory, the application Management server involved in embodiment can be computer equipment shown in Fig. 8.

Using integrated unit, Figure 10 shows the clothes of Electronic Program Guide involved in above-described embodiment The alternatively possible composition schematic diagram of business device.As shown in Figure 10, which includes: processing module 1001 With communication module 1002.

Processing module 1001 is for carrying out control management to the movement of electronic performance nevigation server, for example, processing module 1001 execute S207 and S208 in Fig. 2 for stay pipe server, S207 and S208 in Fig. 3, and/or are retouched for this paper The other processes for the technology stated.Communication module 1002 is used to support the logical of electronic performance nevigation server and other network entities Letter, such as the communication between functional module or network entity shown in Fig. 1.Electronic performance nevigation server can also include Memory module 1003, program code and data for storage server.

Wherein, processing module 1001 can be processor or controller.It may be implemented or execute to disclose in conjunction with the application Various illustrative logic blocks, module and circuit described in content.Processor is also possible to realize the combination of computing function, Such as it is combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 1002 can be transmitting-receiving Device, transmission circuit or communication interface etc..Memory module 1003 can be memory.

When processing module 1001 is processor, communication module 1002 is communication interface, when memory module 1003 is memory, Electronic performance nevigation server involved in the embodiment of the present application can be computer equipment shown in Fig. 8.

Using integrated unit, Figure 11 shows the another kind of set-top box involved in above-described embodiment Possible composition schematic diagram.As shown in figure 11, which includes: processing module 1101 and communication module 1102.

Processing module 1101 is for carrying out control management to the movement of set-top box, for example, processing module 1101 is for supporting Pipe server executes S211 and S212 in Fig. 2, S211, S212 and S223 in Fig. 3, and/or is used for skill described herein Other processes of art.Communication module 1102 is used to supporting the communication of set-top box Yu other network entities, for example, with shown in Fig. 1 Communication between functional module or network entity.Set-top box can also include memory module 1103, the journey for storage server Sequence code and data.

Wherein, processing module 1101 can be processor or controller.It may be implemented or execute to disclose in conjunction with the application Various illustrative logic blocks, module and circuit described in content.Processor is also possible to realize the combination of computing function, Such as it is combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 1102 can be transmitting-receiving Device, transmission circuit or communication interface etc..Memory module 1103 can be memory.

When processing module 1101 is processor, communication module 1102 is communication interface, when memory module 1103 is memory, Set-top box involved in the embodiment of the present application can be computer equipment shown in Fig. 8.

Using integrated unit, Figure 12 shows the another of dispatch server involved in above-described embodiment A kind of possible composition schematic diagram.As shown in figure 12, which includes: processing module 1201 and communication module 1202.

Processing module 1201 is for carrying out control management to the movement of dispatch server, for example, processing module 1201 is used for Stay pipe server executes the S215 in Fig. 2, the S215 in Fig. 3, and/or other processes for techniques described herein. Communication module 1202 is used to supporting the communication of dispatch server Yu other network entities, for example, with functional module shown in Fig. 1 Or the communication between network entity.Dispatch server can also include memory module 1203, the program generation for storage server Code and data.

Wherein, processing module 1201 can be processor or controller.It may be implemented or execute to disclose in conjunction with the application Various illustrative logic blocks, module and circuit described in content.Processor is also possible to realize the combination of computing function, Such as it is combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 1202 can be transmitting-receiving Device, transmission circuit or communication interface etc..Memory module 1203 can be memory.

When processing module 1201 is processor, communication module 1202 is communication interface, when memory module 1203 is memory, Dispatch server involved in the embodiment of the present application can be computer equipment shown in Fig. 8.

Through the above description of the embodiments, it is apparent to those skilled in the art that, for description It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete All or part of function described above.

In several embodiments provided herein, it should be understood that disclosed device and method can pass through it Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It may be combined or can be integrated into another device, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown can be a physical unit or multiple physical units, it can and it is in one place, or may be distributed over Multiple and different places.Some or all of unit therein can be selected to realize this embodiment scheme according to the actual needs Purpose.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a read/write memory medium.Based on this understanding, the technical solution of the embodiment of the present application is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that an equipment (can be list Piece machine, chip etc.) or processor (processor) execute each embodiment the method for the application all or part of the steps. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic or disk.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Change or replacement within the technical scope of the present application should all be covered within the scope of protection of this application.Therefore, this Shen Protection scope please should be based on the protection scope of the described claims.

Claims

1. the switching method that a kind of IPTV multicast turns unicast, which is characterized in that be applied to management server, which comprises

The user information of N number of user is collected, the user information includes set-top box identification, user account, customer service account, machine At least one in top box multicast failure rate, subscriber household device model, User Priority and user networking information, N indicate open-minded User's number of Interactive Internet TV IPTV；

User list is generated according to N number of user information, the user list includes M set-top box identification, and M is more than or equal to 1 And it is less than or equal to N；

The user list is sent to electronic performance nevigation server.

2. the method according to claim 1, wherein it is described according to the user information generate user list it Afterwards, the method also includes:

Into the M set-top box identification, the corresponding set-top box of each set-top box identification sends configuration information, the configuration information Being used to indicate allows the set-top box requests unicast service.

3. the switching method that a kind of IPTV multicast turns unicast, which is characterized in that be applied to electronic performance nevigation server, the side Method includes:

The user list that management server is sent is received, the user list includes M set-top box identification；

The programme information request that receiving set up box is sent, the programme information request includes set-top box identification and program identification, institute State any one in the M set-top box identification that set-top box identification includes for the user list；

The user list is inquired according to the set-top box identification；

Determine that the user list includes the set-top box identification；

Programme information response is sent to the set-top box, the programme information response includes the corresponding program of the program identification The unicast address of multicast address and the program.

4. the switching method that a kind of IPTV multicast turns unicast, which is characterized in that be applied to set-top box, which comprises

Programme information request is sent to electronic performance nevigation server, the programme information request includes set-top box identification and program Mark；

The programme information response that the electronic performance nevigation server is sent is received, the programme information response includes the program Identify the multicast address of corresponding program and the unicast address of the program；

The multicast data flow of the program is requested according to the multicast address of the program；

The multicast data flow for not receiving the program in preset duration determines that multicast service request fails；

The request of the first unicast service is sent to dispatch server, the first unicast service request includes the dispatch server The unicast address of address and the program；

It receives the business that the dispatch server is sent and redirects message, it includes that the set-top box is asked that the business, which redirects message, Ask the unicast server address of the unicast stream of the program；

The request of the second unicast service is sent to the unicast server, the second unicast service request includes the unicast services The unicast address of device address and the program.

5. according to the method described in claim 4, it is characterized in that, being asked described to dispatch server the first unicast service of transmission Before asking, the method also includes:

Being determined according to configuration information allows the set-top box requests unicast service, and the configuration information, which is used to indicate, allows the machine Top box requests unicast service.

6. according to the method described in claim 5, it is characterized in that, allowing the set-top box in described determine according to configuration information Before requesting unicast service, the method also includes:

Receive the configuration information that management server is sent.

7. the method according to any one of claim 4-6, which is characterized in that send first to dispatch server described After unicast service request, the method also includes:

The service denial message that the dispatch server is sent is received, the service denial message, which is used to indicate, does not allow the machine Top box requests the unicast stream of the program.

8. the switching method that a kind of IPTV multicast turns unicast, which is characterized in that be applied to dispatch server, which comprises

The first unicast service request that receiving set up box is sent, the first unicast service request includes the dispatch server The unicast address of address and the program；

Allow the unicast stream of program described in the set-top box requests according to network state judgement, the network state includes current single The resource consumption situation of the number of users and user access networks broadcast；

Business is sent to the set-top box and redirects message, and it includes section described in the set-top box requests that the business, which redirects message, The unicast server address of purpose unicast stream.

9. according to the method described in claim 8, it is characterized in that, determining whether the machine according to network state described After top box requests the unicast service of the program, the method also includes:

Judgement does not allow the unicast stream of program described in the set-top box requests；

Service denial message is sent to the set-top box, the service denial message, which is used to indicate, does not allow the set-top box requests The unicast stream of the program.

10. a kind of management server characterized by comprising

Processing unit, for collecting the user information of N number of user, the user information includes set-top box identification, user account, use At least one in family business account, set top box multicast failure rate, subscriber household device model, User Priority and user networking information A, N indicates to open user's number of IPTV；

The processing unit is also used to generate user list according to N number of user information, and the user list includes M machine Top box mark, M are more than or equal to 1 and are less than or equal to N；

Transmission unit, for sending the user list to electronic performance nevigation server.

11. management server according to claim 10, which is characterized in that

The transmission unit is also used to the corresponding set-top box transmission of each set-top box identification into the M set-top box identification and matches Confidence breath, the configuration information, which is used to indicate, allows the set-top box requests unicast service.

12. a kind of electronic performance nevigation server characterized by comprising

Receiving unit, for receiving the user list of management server transmission, the user list includes M set-top box identification；

The receiving unit is also used to the programme information request of receiving set up box transmission, and the programme information request includes machine top Box identifies and program identification, any one in the M set-top box identification that the set-top box identification includes for the user list；

Processing unit, for inquiring the user list according to the set-top box identification；

The processing unit is also used to determine that the user list includes the set-top box identification；

Transmission unit, for sending programme information response to the set-top box, the programme information response includes the program mark Know the multicast address of corresponding program and the unicast address of the program.

13. a kind of set-top box characterized by comprising

Transmission unit, for sending programme information request to electronic performance nevigation server, the programme information request includes machine Top box mark and program identification；

Receiving unit, the programme information response sent for receiving the electronic performance nevigation server, the programme information are rung It should include the multicast address of the corresponding program of the program identification and the unicast address of the program；

The processing unit is also used to request the multicast data flow of the program according to the multicast address of the program；

Processing unit determines that multicast service request fails for not receiving the multicast data flow of the program in preset duration；

The transmission unit is also used to send the request of the first unicast service, the first unicast service request to dispatch server The unicast address of address and the program including the dispatch server；

The receiving unit is also used to receive the business that the dispatch server is sent and redirects message, and the business redirects Message includes the unicast server address of the unicast stream of program described in the set-top box requests；

The transmission unit is also used to send the request of the second unicast service, second unicast service to the unicast server Request includes the unicast address of the unicast server address and the program.

14. set-top box according to claim 13, which is characterized in that

The processing unit, being also used to be determined according to configuration information allows the set-top box requests unicast service, described to match confidence Breath, which is used to indicate, allows the set-top box requests unicast service.

15. set-top box according to claim 14, which is characterized in that

The receiving unit is also used to receive the configuration information of management server transmission.

16. set-top box described in any one of 3-15 according to claim 1, which is characterized in that

The receiving unit is also used to receive the service denial message that the dispatch server is sent, the service denial message It is used to indicate the unicast stream for not allowing program described in the set-top box requests.

17. a kind of dispatch server characterized by comprising

Receiving unit, for the first unicast service request that receiving set up box is sent, the first unicast service request includes institute State the address of dispatch server and the unicast address of the program；

Processing unit, for allowing the unicast stream of program described in the set-top box requests, the network according to network state judgement State includes the number of users and user access networks of the current unicast of resource consumption situation of the number of users of current unicast, user access networks Resource consumption situation；

Transmission unit redirects message for sending business to the set-top box, and it includes the machine that the business, which redirects message, Top box requests the unicast server address of the unicast stream of the program.

18. dispatch server according to claim 17, which is characterized in that

The processing unit is also used to the unicast stream for judging not allowing program described in the set-top box requests；

The transmission unit is also used to send service denial message to the set-top box, and the service denial message is used to indicate The unicast stream of program described in the set-top box requests is not allowed.

19. a kind of management server, which is characterized in that including processor and memory, the memory for storing instruction, institute Processor is stated for executing described instruction so that the management server executes such as the described in any item sides of claim 1-2 Method.

20. a kind of computer readable storage medium, which is characterized in that including instruction, when it runs on the management server, make The management server is obtained to execute such as any one of claim 1-2 the method.

21. a kind of computer program product comprising instruction, which is characterized in that when it runs on the management server, so that The management server is executed such as any one of claim 1-2 the method.

22. a kind of management server, which is characterized in that the management server exists with the product form of chip, the management It include processor and memory in the structure of server, the memory is described for saving for coupling with the processor The program instruction and data of management server, the processor are used to execute the program instruction stored in the memory, so that The management server is executed such as any one of claim 1-2 the method.

23. a kind of electronic performance nevigation server, which is characterized in that including processor and memory, the memory is for depositing Storage instruction, the processor is for executing described instruction so that the electronic performance nevigation server executes such as claim 3 The method.

24. a kind of computer readable storage medium, which is characterized in that including instruction, when it is on electronic performance nevigation server When operation, so that the electronic performance nevigation server executes method as claimed in claim 3.

25. a kind of computer program product comprising instruction, which is characterized in that when it runs on electronic performance nevigation server When, so that the electronic performance nevigation server executes method as claimed in claim 3.

26. a kind of electronic performance nevigation server, which is characterized in that the electronic performance nevigation server is with the product shape of chip State exists, and includes processor and memory in the structure of the electronic performance nevigation server, the memory be used for it is described Processor coupling, for saving the program instruction and data of the electronic performance nevigation server, the processor is for executing The program instruction stored in the memory, so that the electronic performance nevigation server executes method as claimed in claim 3.

27. a kind of set-top box, which is characterized in that including processor and memory, the memory for storing instruction, the place Reason device is for executing described instruction so that the set-top box executes such as the described in any item methods of claim 4-7.

28. a kind of computer readable storage medium, which is characterized in that including instruction, when it runs on the set-top box, so that institute Set-top box is stated to execute such as any one of claim 4-7 the method.

29. a kind of computer program product comprising instruction, which is characterized in that when it runs on the set-top box, so that described Set-top box is executed such as any one of claim 4-7 the method.

30. a kind of dispatch server, which is characterized in that including processor and memory, the memory for storing instruction, institute Processor is stated for executing described instruction so that the dispatch server executes such as the described in any item sides of claim 8-9 Method.