CN102547223B - The system and method for IPTV and video monitoring fusion is realized based on IMS - Google Patents
The system and method for IPTV and video monitoring fusion is realized based on IMS Download PDFInfo
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- 230000004927 fusion Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 description 11
- 230000000875 corresponding Effects 0.000 description 7
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- 230000000694 effects Effects 0.000 description 2
- 229920004880 RTP PEK Polymers 0.000 description 1
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Abstract
The invention provides a kind of system and method realizing IPTV and video monitoring fusion based on IMS, be all applied to IMS architecture and IPTV system, video monitoring system；Wherein, under described IMS architecture, unified plan has described IPTV system and video monitoring system, for accessing IPTV system or video monitoring system offer support for client；Described IPTV system and video monitoring system, for by described IMS architecture, respectively client provides service.System and method of the present invention, realize IPTV and video monitoring fusion based on IMS, all can provide the multimedia consolidation service that can merge IPTV with video monitoring.
Description
Technical field
The present invention relates to the communications field, be specifically related to realize IPTV based on IP Multimedia System (IMS)
System and method with video monitoring fusion.
Background technology
Along with the development of the video traffic such as IPTV and video monitoring, with " fusion video signal " the many matchmakers as representative
Body fused business is one of following developing direction；And there is not yet IPTV and video monitoring fusion at present
The concrete technical support got up.
Summary of the invention
In view of this, offer one is provided and realizes IPTV and video prison based on IMS
The system and method that control is merged, to provide the multimedia consolidation service that can merge IPTV with video monitoring.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of system realizing IPTV and video monitoring fusion based on IP Multimedia System IMS, this system
Including IMS architecture and IPTV system, video monitoring system；Wherein,
Under described IMS architecture, unified plan has described IPTV system and video monitoring system, is used for as client
End CU accesses IPTV system or video monitoring system provides and supports；
Described IPTV system and video monitoring system, for by described IMS architecture, respectively CU
Service is provided.
When providing service by described IMS architecture for CU, described IMS architecture includes and described IPTV system
The IMS core net that system is all connected with video monitoring system, this IMS core net is used for supporting described IPTV system
System and video monitoring system provide service for CU.
Described CU includes boundary layer, business function layer, protocol layer；Wherein,
Described boundary layer, for providing IPTV client circle respectively for IPTV system and video monitoring system
Face, video monitoring client terminal interface；
Described business function layer, for supporting the business function of IPTV and video monitoring；
Described protocol layer, for supporting the interacting message of described CU.
Described IPTV system and video monitoring system are all connected with media function MF module, and shared MF.
When described IPTV system or video monitoring system provide service for CU, it is used for supporting in following service
At least one:
CU registration, service discovering, service selection, broadcasting.
A kind of method realizing IPTV and video monitoring fusion based on IMS, the method includes:
Unified plan IPTV system and video monitoring system under IMS architecture；
By described IMS architecture, access IPTV system for CU or video monitoring system provides service.
The method being CU offer service by described IMS architecture is:
By the IMS core net in described IMS architecture, provide service for CU.
Described CU includes boundary layer, business function layer, protocol layer；Each layer proceeds as follows respectively:
Described boundary layer provides IPTV client interface respectively for IPTV system and video monitoring system, regards
Frequently monitor client interface；
Described business function layer supports IPTV and the business function of video monitoring；
Described protocol layer supports the interacting message of described CU.
Described IPTV system and video monitoring system share MF.
Described IPTV system or video monitoring system are the mode that CU provides service, including following at least it
One:
CU registration, service discovering, service selection, broadcasting.
System and method of the present invention, realize IPTV and video monitoring fusion based on IMS, and all can provide can
Merge the multimedia consolidation service of IPTV and video monitoring.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram realizing IPTV and video monitoring fusion based on IMS of the embodiment of the present invention；
Fig. 2 is client (CU) structure chart of the embodiment of the present invention；
Fig. 3 is the CU register flow path figure of the embodiment of the present invention；
Fig. 4 is the service discovering flow chart of the embodiment of the present invention；
Fig. 5 is the service selection flow chart of the embodiment of the present invention；
Fig. 6 is the playing flow figure of the embodiment of the present invention；
Fig. 7 is the general flow chart realizing IPTV and video monitoring fusion based on IMS of the embodiment of the present invention.
Detailed description of the invention
In general, can be as it is shown in figure 1, to IPTV system and video monitoring system under IMS architecture
Carrying out organically blending and unified plan, above-mentioned two system can share CU and media function (MF) on disposing
Module；And it is possible to by domain name and the differentiation of signing rule, make IPTV system and video monitoring system
In service logic separate.
Wherein, MF includes content distributing network (CDN) and media storage and service function (SS) two
Individual part, can realize the distribution for media and storage service function respectively by both.
It should be noted that described CU is the CU merged, and IMS core net (IMS can be passed through
Core) access.CU is the client of IPTV, is also the client of video monitoring simultaneously；And IPTV
System and video monitoring system are then diverse two systems in business.So, IMS core is utilized
The characteristic that net is uniformly accessed into, it is possible to realize CU and the access of head end encoder unit (PU) more easily.
Saying from the angle of client, CU can be concurrently accessed IPTV system by IMS core net and video is supervised
Ore-controlling Role, carries out IPTV and video monitoring service the most simultaneously.The service request that client is initiated is according at HSS
The different signing rules that side is formulated, are forwarded to IPTV application server (IPTV_AS) via IMS core net
Or video surveillance applications server (VSS_AS), trigger corresponding business.
Saying from the angle of platform, IPTV system and video monitoring system are all based on IMS architecture, and energy
It is enough that by the respective medium-dependent part of MF module accesses, two systems are separate in business, but
Mutually merge in deployment.And, by shared MF module, can simplified system, reduce lower deployment cost.
Generally, MF grasps the health status of streaming media service, distribution of content situation and load condition in real time,
It is responsible for load balancing and intelligent scheduling that user accesses, finally provides the user streaming media service.MF module
It is broadly divided into two parts of CDN and SS.CDN is as content distribution scheduler, management difference SS node
Running status and service scenario.
Specifically, client is broadly divided into: boundary layer, business function layer, three aspects of protocol layer,
As shown in Figure 2.Wherein, boundary layer provides IPTV client respectively for IPTV system and video monitoring system
End interface, video monitoring client terminal interface, and can be each customed；Business function layer can support IPTV
The related service function of video monitoring can also be supported；With IMS core net and the interacting message of other network elements
Then completed by protocol layer.
When reality is applied, the concrete operations realizing IPTV and video monitoring fusion based on IMS can represent such as
Shown in Fig. 3 to Fig. 6.
Seeing the CU register flow path figure that Fig. 3, Fig. 3 are the embodiment of the present invention, the precondition of this flow process is:
User is unregistered, and CU successfully gets P-CSCF address.Wherein, DHCP can be passed through in P-CSCF address
Dynamical fashion obtains, or is configured by static method.
Shown in Fig. 3, flow process comprises the following steps:
Step 301:CU initiates registration (REGISTER) request to IMS Core, at REGISTER
Request message header carries incomplete authentication information；Flow process starts.
Step 302:IMS Core obtains the authentication information of CU, and returns 401 authentication challenge responses to CU.
Step 303:CU, after receiving 401, initiates REGISTER request to IMS Core again.
Current request message carries complete authentication information.
Step 304:IMS Core is in progress authentication, returns to succeed in registration respond to CU after success,
Now CU success is to registers kernel network.
Step 305:IMS Core, after CU succeeds in registration, checks service trigger criteria, judges accordingly
Carry out service log-on the need of to SCF, if need to SCF register, then according to business trigger condition to
SCF initiates registration request.
Step 306:SCF returns registration and responds to IMS Core.
See the service discovering flow chart that Fig. 4, Fig. 4 are the embodiment of the present invention.In Fig. 4, CU completes registration
Afterwards, SSF is obtained to SDF module.After SDF is to completing user right judgement, return suitable SSF
To CU.The precondition of flow process shown in Fig. 4 is: user is successfully registered to IMS.Flow process bag shown in Fig. 4
Include following steps:
Step 401: in order to obtain SSF address, CU sends order (Subscribe) to IMS Core and disappears
Breath.
Step 402:IMS Core receives Subscribe message, and Subscribe message is forwarded to SDF.
Step 403:SDF checks in Subscribe message body parameter and carries out business logic processing, selects to close
Suitable SSF, then SDF response 200OK is to IMS Core.
Step 404:IMS Core returns 200OK to CU.
Step 405:SDF by suitable SSF information on services list notification to IMS Core.
Step 406:IMS Core forwards notice (Notify) message to CU.
After step 407:CU receives SSF information on services, 200OK is to IMS Core in response.
Step 408:IMS Core forwards 200 OK to SDF.
Seeing the service selection flow chart that Fig. 5, Fig. 5 are the embodiment of the present invention, the precondition of this flow process is:
SCF pre-generatmg RSA public private key pair (PubKey, PriKey), is preserved PriKey, PubKey by operator's secret
Then it is saved in CU.Shown in Fig. 5, flow process comprises the following steps:
The key-encrypting key KEK of step 501:CU stochastic generation 128bits, with the PubKey of SCF
After encryption obtains EKEK, ask to be sent to EKEK IMS Core by Subscribe.
EKEK is transmitted to SCF by step 502:IMS Core.
Step 503:SCF PriKey deciphering EKEK obtains KEK, if decryption error, returns mistake
Information；If successful decryption, then the certification key key of stochastic generation 128bits, then encrypt with KEK
To Ekey.
Step 504:SCF returns 200OK to IMS Core.
Step 505:IMS Core forwards 200OK to CU.
Step 506:SCF sends EKey to IMS Core by Notify request.
Step 507:IMS Core forwards EKey to CU.
Certification key key is obtained after step 508:CU KEK deciphering EKey.
Step 509:CU returns 200OK to IMS-Core.
Step 510:IMS Core forwards 200OK to SCF.
Step 511:CU sends HTTP request (HTTP Request) message to SSF.
Step 512:SSF finds when CU does not has authentication state, then return 401 unverified
(unauthenticate), it is desirable to CU does HTTP (summary) Digest certification.
Step 513:CU calculates challenge responses value, returns and authorizes head (Authorization Header), again
Send HTTP request.
Step 514:SSF checks whether the described key preserving CU, without or the most expired, then
The key that request SCF inquiry is corresponding.
Step 515:SCF returns key and key effect duration to SSF.
Step 516:SSF preserves key and key effect duration, and checking Authorization Header is the most just
Really, if mistake, error message is returned；If correct, calculate response value, return authorization message
(Authentication-Info)。
Checking Authentication-Info is the most correct for step 517:CU, if mistake, Flow ends；
If correct, initiating IPTV channel list or the request of video monitoring channel list, HTTP header includes
The new Authorization Header calculated.
Step 518:SSF returns IPTV channel list or video monitoring channel list information.
Seeing the playing flow figure that Fig. 6, Fig. 6 are the embodiment of the present invention, the precondition of this flow process is: CU
It is successfully registered to IMS network with PU, and the media data browsing passage has already accessed on SS.Fig. 6
Shown flow process comprises the following steps:
Step 601:CU initiates INVITE call request to IMS Core, carries CU's in call request
SDP information.
It should be noted that be for IPTV system owing to distinguish this call request, or for video
Monitoring system, therefore comprises the signing rule key distinguishing different business logic in the purpose territory of call request
Word.Such as, if current request is IPTV program playing request, then keyword is IPTV；If current request
Be the request of video monitoring real-time video, then keyword is VSS.
Step 602:IMS Core reserves corresponding resource according to the SDP information of CU.
Step 603:IMS Core, according to the signing regulation pre-set in HSS, forwards INVITE to right
The SCF answered.Further, if with IPTV keyword in message purpose territory, then IPTV system it is transmitted to corresponding
SCF；If with VSS keyword in message purpose territory, being then transmitted to the SCF that video monitoring system is corresponding.
Step 604: corresponding SCF conversates processs, and is obtained the URL of broadcasting by CDN.
Step 605:SCF applies for CU playing resource to SS, carries the SDP information of CU in request message.
Step 606:SS returns CU playing resource response message and includes CU's to SCF, response message
The SDP information of SS.
Step 607:SCF forwards INVITE response message to IMS Core.
The IMS Core that step 608:CU accesses carries out corresponding resource submission.
Step 609:IMSCore forwards INVITE to respond to CU.
Response is confirmed by step 610:CU, and returns the IMS Core that ACK accesses to CU.
Step 611:IMSCore forwards ACK to SCF.
Step 612:SCF notice SS playing resource confirms message, to notify that media session is successfully established.
Step 613:SS starts to send real-time streams to CU.
When step 614:CU terminates to monitor in real time, actively send BYE and ask to IMS Core.
Step 615:IMS Core forwards BYE to ask to SCF.
Step 616:SCF notice SS stops sending code stream.
Step 617:SS returns stopping and responding to SCF.
Step 618:SCF sends BYE and responds to IMS Core.
Step 619:IMS Core forwards BYE to respond to CU, conversation end.
It should be noted that video monitoring also can direct-connected broadcasting PU real-time video.
When sending RTP data, RTCP bag can be sent simultaneously.
If VCR operation to be carried out, RTSP can be set up and connect.
Described CU uses the different business of component based architecture, IPTV and video monitoring can be at an application program
Internal realization.
In conjunction with the system shown in Fig. 1, Fig. 2 and CU framework, and the flow process shown in Fig. 3 to Fig. 6, can
With by the present invention based on IMS realize the operation thinking of IPTV and video monitoring fusion represent as it is shown in fig. 7,
Shown in Fig. 7, flow process comprises the following steps:
Step 710: unified plan IPTV system and video monitoring system under IMS architecture.
Step 720: by described IMS architecture, access IPTV system for CU or video monitoring system carries
For service.
The most visible, either system or method, the present invention realizes IPTV and video based on IMS
The technology that monitoring is merged, all can provide the multimedia consolidation service that can merge IPTV with video monitoring.
The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should
Within being included in protection scope of the present invention.
Claims (6)
1. a system of IPTV and video monitoring fusion is realized based on IP Multimedia System IMS, its
Being characterised by, this system includes IMS architecture and IPTV system, video monitoring system；Wherein,
Under described IMS architecture, unified plan has described IPTV system and video monitoring system, is used for as client
End CU is concurrently accessed IPTV system and video monitoring system provides and supports；Described IPTV system and video
Monitoring system is all connected with media function MF module, and shared MF；
Described IPTV system and video monitoring system, for by described IMS architecture, respectively CU
There is provided service, and described IPTV system and video monitoring system be in business diverse two be
System；
Described CU includes boundary layer, business function layer, protocol layer；Wherein,
Described boundary layer, for providing IPTV client circle respectively for IPTV system and video monitoring system
Face, video monitoring client terminal interface；
Described business function layer, for supporting the business function of IPTV and video monitoring；
Described protocol layer, for supporting the interacting message of described CU.
System the most according to claim 1, it is characterised in that be CU by described IMS architecture
When providing service, described IMS architecture includes the IMS being all connected with described IPTV system and video monitoring system
Core net, this IMS core net is used for supporting that described IPTV system and video monitoring system provide for CU
Service.
System the most according to claim 1, it is characterised in that described IPTV system or video monitoring
When system provides service for CU, it is used for supporting at least one of following service:
CU registration, service discovering, service selection, broadcasting.
4. the method realizing IPTV and video monitoring fusion based on IMS, it is characterised in that the method
Including:
Unified plan IPTV system and video monitoring system under IMS architecture, and described IPTV system with
And video monitoring system is diverse two systems in business；Described IPTV system and video prison
Ore-controlling Role shared medium function MF；
By described IMS architecture, it is concurrently accessed IPTV system for CU and video monitoring system provides service；
Described CU includes boundary layer, business function layer, protocol layer；Each layer proceeds as follows respectively:
Described boundary layer provides IPTV client interface respectively for IPTV system and video monitoring system, regards
Frequently monitor client interface；
Described business function layer supports IPTV and the business function of video monitoring；
Described protocol layer supports the interacting message of described CU.
Method the most according to claim 4, it is characterised in that be CU by described IMS architecture
The method of offer service is:
By the IMS core net in described IMS architecture, provide service for CU.
Method the most according to claim 4, it is characterised in that described IPTV system or video monitoring
System provides the mode of service for CU, including at least one of:
CU registration, service discovering, service selection, broadcasting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010597676.5A CN102547223B (en) | 2010-12-20 | The system and method for IPTV and video monitoring fusion is realized based on IMS | |
| PCT/CN2011/082306 WO2012083772A1 (en) | 2010-12-20 | 2011-11-16 | System and method for integrating iptv and video monitoring based on ims |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010597676.5A CN102547223B (en) | 2010-12-20 | The system and method for IPTV and video monitoring fusion is realized based on IMS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102547223A CN102547223A (en) | 2012-07-04 |
| CN102547223B true CN102547223B (en) | 2016-12-14 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101035251A (en) * | 2007-04-19 | 2007-09-12 | 中兴通讯股份有限公司 | IPTV service system based on the IP multimedia sub-system |
| CN101068343A (en) * | 2007-03-16 | 2007-11-07 | 中兴通讯股份有限公司 | Video frequency monitoring system based on IPTV system |
| CN101668189A (en) * | 2009-10-13 | 2010-03-10 | 中国电信股份有限公司 | Video monitoring method based on IPTV and system thereof |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068343A (en) * | 2007-03-16 | 2007-11-07 | 中兴通讯股份有限公司 | Video frequency monitoring system based on IPTV system |
| CN101035251A (en) * | 2007-04-19 | 2007-09-12 | 中兴通讯股份有限公司 | IPTV service system based on the IP multimedia sub-system |
| CN101668189A (en) * | 2009-10-13 | 2010-03-10 | 中国电信股份有限公司 | Video monitoring method based on IPTV and system thereof |
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