CN102231849A - Digital television video on demand system and on demand method - Google Patents
Digital television video on demand system and on demand method Download PDFInfo
- Publication number
- CN102231849A CN102231849A CN2011101640533A CN201110164053A CN102231849A CN 102231849 A CN102231849 A CN 102231849A CN 2011101640533 A CN2011101640533 A CN 2011101640533A CN 201110164053 A CN201110164053 A CN 201110164053A CN 102231849 A CN102231849 A CN 102231849A
- Authority
- CN
- China
- Prior art keywords
- cmts
- server
- video
- request
- demand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a digital television video on demand system, which comprises a video server, a cable modem terminal system (CMTS), a Cable Modem and an interactive digital set-top box. A policy server and an on-demand bandwidth management server are sequentially connected between the CMTS and the video server, wherein the policy server is used for judging whether a current network permits the addition of new user access or not and performing priority judgment; and the on-demand bandwidth management server converts a user traffic request into a packet cable multimedia (PCMM) standard protocol recognizable for both the policy server and the CMTS, returns a session creation request message to the video server to confirm whether an on demand request is transmitted or not. Compared with currently adopted schemes, a system topological structure diagram can avoid network congestion caused by the simultaneous downlink transmission of a plurality of pieces of user data traffic generated by an overgreat number of on demand users at prime time and effectively solve the problem of CMTS congestion by the intelligent selection of the policy server to make the system run stably and reliably.
Description
Technical field
The invention belongs to digital TV field, be specifically related to a kind of digital TV video frequency VOD system and order method.
Background technology
Along with popularizing of Digital Television, for satisfying the individual demand of people to TV programme, each television operator has been released video on-demand system, the program that can make the user be in and oneself like according to the hobby program request at any time of oneself, and this business obtains users' welcome.
Currently used video on-demand system topological structure as shown in Figure 1, be connected with CMTS(Cable Modem Terminal Systems at the video server end, the cable modem end welding system), CMTS and Cable Modem(cable modem) link to each other, Cable Modem (CM, cable modem) is connected to each user's set-top box and carries out video request program usefulness.After the user sends order request by set-top box, send request by the CMTS up link to CMTS via Cable Modem, CMTS transmits this information to video server, video server sends the corresponding video information of request to the set-top box of request program request, CMTS is by setting up transmission channel between selected downlink transfer frequency and Cable Modem, video data is transferred to the corresponding requesting users end that sends through modulation and demodulation, and the user watches the program of program request.
Adopt this topological structure, can finish video request program preferably, but, along with increasing of digital cable customers, the bandwidth of the down link of each CMTS is limited, in the program request peak period, when too much user sends the video request program request, network congestion can appear in the CMTS down link, and the program that influences all users that this CMTS connects watches that normally the reliability of system's operation descends.
Summary of the invention
The object of the present invention is to provide a kind of digital television on-demand system and method for effective solution network congestion, with the reliability of raising system operation.
A kind of digital TV video frequency VOD system, comprise the video server that is used to broadcast video, be used for writing down program request solicited message and allocation of downlink with the CMTS of data modem to transmit at coaxial cable, link to each other with CMTS and to separate the Cable Modem and the interactive digital set-top box of data being carried out modulation, after interactive digital set-top box users end sends the video request program request by Cable Modem, transmit order request information by CMTS, video data is watched by the user side set-top box to Cable Modem demodulation by the CMTS downlink transmission, between CMTS and video server, also be connected with strategic server and bandwidth on-demand management server in turn, strategic server is used to judge whether current network allows to increase new user's access and priority and judge, the bandwidth on-demand management server is converted into strategic server and the discernible PCMM(PacketCable MultiMedia of CMTS with the customer flow request, grouping cable multimedia) standard agreement, and will create the conversation request result and be back to video server.Preferably, this system also comprises the management platform that links to each other with strategic server, is used for the collocation strategy server.
A kind of digital TV video frequency order method comprises the steps: 1) video server reception order request, initiate to create the bandwidth conversation request to the bandwidth on-demand management server; 2) the bandwidth on-demand management server carries out protocol conversion with bandwidth demand, is forwarded to strategic server, and is forwarded to CMTS by strategic server; 3) whether CMTS has enough resources to use according to channel occupancy and threshold decision, judges how to respond according to institute's configured strategy again, if resource satisfies, then turns to step 4), if do not satisfy, has just turned to step 6); 4) CMTS and Cable Modem finish the application and the reservation of Internet resources, return and distribute confirmation to strategic server, and strategic server will distribute confirmation to send the bandwidth on-demand management server to, and the on-demand session number of CMTS is added 1; 5) the bandwidth on-demand management server receive to distribute and to send to video server after will creating the conversation request message conversion after the confirmation, is sent to the user by video server transmission video information through CMTS; 6) CMTS returns the message code of single channel inadequate resource, successively feed back to video broadcasting server by tactical management server, bandwidth on-demand management server, video broadcasting server is received the request of this feedback back refusing user's program request, simultaneously descriptive information is sent to the user through CMTS, to completely next request of passage of bandwidth resources, CMTS will make the collocation strategy operation.
Preferably, in the described step 6), behind the CMTS single channel inadequate resource, CMTS can provide multiple strategy to be configured operation for next request of this passage to comprise: a, force to increase service traffics; B, the order request that refusal is new; C, the Business Stream cynamic channel switched to the down going channel of another frequency of CMTS.
Adopt digital TV video frequency VOD system of the present invention and method, on existing VOD system basis, newly-increased strategic server and the bandwidth on-demand management server of being added with, by the bandwidth on-demand management server different agreement request is converted into strategic server and the discernible instruction of CMTS, by strategic server according to the request type and the network resource status of CMTS, decision provides service to which user, which user or which application can obtain the bandwidth priority and when can obtain policing actions such as bandwidth priority, simultaneously can decide whether follow-up safeguard such as dilatation of network according to the CMTS resource situation, this system topology figure compares with currently used scheme, network congestion appears in the time of can avoiding a plurality of user data traffics transmission downwards simultaneously that the rating peak period produced when too much because of the program request number of users, the present invention is by the Intelligence Selection of strategic server, the problem that the CMTS that can effectively solve is congested is moved system stability reliably.
Description of drawings
Fig. 1 is existing digital television on-demand system topology schematic diagram.
Fig. 2 is a digital television on-demand system topology schematic diagram of the present invention.
Fig. 3 is a digital television on-demand method flow block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As Fig. 2, a kind of digital TV video frequency VOD system, comprise the video server that is used to broadcast video, be used for writing down program request solicited message and allocation of downlink with the CMTS of data modem to transmit at coaxial cable, link to each other with CMTS and to separate the Cable Modem and the interactive digital set-top box of data being carried out modulation, after interactive digital set-top box users end sends the video request program request by Cable Modem, transmit order request information by CMTS, and video data watched by the user side set-top box to Cable Modem demodulation by the CMTS downlink transmission, between CMTS and video server, also be connected with strategic server and bandwidth on-demand management server in turn, strategic server is used to judge whether current network allows to increase new user's access and priority and judge, the bandwidth on-demand management server is converted into strategic server and the discernible PCMM standard agreement of CMTS with the customer flow requirement request, and will create the conversation request result and be back to video server.
Native system is on existing VOD system basis, newly-increased strategic server and the bandwidth on-demand management server of being added with, by the bandwidth on-demand management server different agreement request is converted into strategic server and the discernible instruction of CMTS, by strategic server according to the request type and the network resource status of CMTS, decision provides service to which user, which user or which application can obtain the bandwidth priority and when can obtain policing actions such as bandwidth priority, simultaneously can decide whether follow-up safeguard such as dilatation of network according to the CMTS resource situation, this system topology figure compares with currently used scheme, network congestion appears in the time of can avoiding a plurality of user data traffics transmission downwards simultaneously that the rating peak period produced when too much because of number of users, the present invention is by the Intelligence Selection of strategic server, effectively the congested problem of CMTS that solves is moved system stability reliably.
For better managing native system, in this system the management platform that links to each other with strategic server is installed also, be used for the collocation strategy server.Along with increasing of digital cable customers, may need to dispose more CMTS, to satisfy the bandwidth requirement of user's downlink data flow.At this moment, only need do corresponding configuration to corresponding C MTS, can finish expansion, be convenient to the staff and manage operation system in this management platform.
Digital TV video frequency order method of the present invention comprises the steps: 1) video server reception order request, initiate to create the bandwidth conversation request to the bandwidth on-demand management server; 2) the bandwidth on-demand management server is forwarded to strategic server with bandwidth demand, and is forwarded to CMTS by strategic server; 3) CMTS if response then turns to step 4), if do not respond, has just turned to step 6) according to channel occupancy and threshold decision request response request whether; 4) CMTS and Cable Modem finish the application and the reservation of Internet resources, return and distribute confirmation to strategic server, and strategic server will distribute confirmation to send the bandwidth on-demand management server to, and the on-demand session number of CMTS is added 1; 5) will create conversation request message after the bandwidth on-demand management server reception distribution confirmation and send to video server, and transmit video information by video server and be sent to the user through CMTS; 6) CMTS returns the message code of single channel inadequate resource, successively feed back to video broadcasting server by tactical management server, bandwidth on-demand management server, video broadcasting server is received the request of this feedback back refusing user's program request, simultaneously descriptive information is sent to the user through CMTS, next the request CMTS that bandwidth resources has been expired passage will make the collocation strategy operation.
In step 6), in the described step 6), behind the MTS single channel inadequate resource, CMTS can provide multiple strategy to be configured operation for next request of this passage to comprise: a, force to increase service traffics; B, the order request that refusal is new; C, the Business Stream cynamic channel switched to the down going channel of another frequency of CMTS.For a) operation, may cause certain congestedly to VOD system, but it can be implemented in certain allowed band.For b) operate, can well guarantee existing user's normal use, newly-increased user is sent wait for instruction, inform that present network is unavailable, examination again behind the wait network recovery.For c) operation, when having CMTS that the down going channel of free ideler frequency point is arranged, the down going channel of another frequency by switching to CMTS had both guaranteed that current user normally watched, also can make full use of resource, satisfied the normal satisfied of new requested service.
More than the technical scheme that the embodiment of the invention provided is described in detail, used specific case herein the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. digital TV video frequency VOD system, comprise the video server that is used to broadcast video, be used for writing down program request solicited message and allocation of downlink with the CMTS of data modem to transmit at coaxial cable, link to each other with CMTS and to separate the Cable Modem and the interactive digital set-top box of data being carried out modulation, after interactive digital set-top box users end sends the video request program request by Cable Modem, transmit order request information by CMTS, video data is watched by the user side set-top box to Cable Modem demodulation by the CMTS downlink transmission, it is characterized in that, between CMTS and video server, also be connected with strategic server and bandwidth on-demand management server in turn, strategic server is used to judge whether current network allows to increase new user's access and priority and judge, the bandwidth on-demand management server is converted into strategic server and the discernible PCMM standard agreement of CMTS with the customer flow demand, and will create the conversation request result and be back to video server.
2. digital TV video frequency VOD system according to claim 1 is characterized in that this system also comprises the management platform that links to each other with strategic server, is used for the collocation strategy server.
3. a digital TV video frequency order method comprises the steps: 1) video server reception order request, initiate to create the bandwidth conversation request to the bandwidth on-demand management server; 2) the bandwidth on-demand management server carries out protocol conversion with bandwidth demand, is forwarded to strategic server, and is forwarded to CMTS by strategic server; 3) whether CMTS has enough resources to use according to channel occupancy and threshold decision, judges how to respond according to institute's configured strategy again, if resource satisfies, then turns to step 4), if do not satisfy, has just turned to step 6); 4) CMTS and Cable Modem finish the application and the reservation of Internet resources, return and distribute confirmation to strategic server, and strategic server will distribute confirmation to send the bandwidth on-demand management server to, and the on-demand session number of CMTS is added 1; 5) the bandwidth on-demand management server receive to distribute and to send to video server after will creating the conversation request message conversion after the confirmation, is sent to the user by video server transmission video information through CMTS; 6) CMTS returns the message code of single channel inadequate resource, successively feed back to video broadcasting server by tactical management server, bandwidth on-demand management server, video broadcasting server is received the request of this feedback back refusing user's program request, simultaneously descriptive information is sent to the user through CMTS, next the request CMTS that bandwidth resources has been expired passage will make the collocation strategy operation.
4. digital TV video frequency order method according to claim 3, it is characterized in that, in the described step 6), behind the CMTS single channel inadequate resource, CMTS can provide multiple strategy to be configured operation for next request of this passage to comprise: a, force to increase service traffics; B, the order request that refusal is new; C, the Business Stream cynamic channel switched to the down going channel of another frequency of CMTS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164053.3A CN102231849B (en) | 2011-06-17 | 2011-06-17 | Digital television video on demand system and on demand method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164053.3A CN102231849B (en) | 2011-06-17 | 2011-06-17 | Digital television video on demand system and on demand method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102231849A true CN102231849A (en) | 2011-11-02 |
| CN102231849B CN102231849B (en) | 2014-04-16 |
Family
ID=44844374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110164053.3A Active CN102231849B (en) | 2011-06-17 | 2011-06-17 | Digital television video on demand system and on demand method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102231849B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237270A (en) * | 2013-05-09 | 2013-08-07 | 黄孙明 | Video streaming media system and method capable of interacting with network |
| CN104079956A (en) * | 2013-03-28 | 2014-10-01 | 日电（中国）有限公司 | User terminal access control method and access control equipment |
| CN104080181A (en) * | 2014-06-27 | 2014-10-01 | 华为技术有限公司 | Method and device for controlling bandwidth on demand service |
| WO2015085566A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Resource allocation method, device and system |
| CN105208452A (en) * | 2015-09-24 | 2015-12-30 | 天脉聚源（北京）科技有限公司 | Interactive load configuration method and device for television interactive system |
| CN105430529A (en) * | 2015-11-26 | 2016-03-23 | 航天恒星科技有限公司 | Video data transmission method and system |
| CN108012194A (en) * | 2016-11-02 | 2018-05-08 | 中兴通讯股份有限公司 | A kind of method, apparatus and system of control IPTV order videos |
| CN110990699A (en) * | 2019-11-29 | 2020-04-10 | 广州市百果园信息技术有限公司 | Information pushing system, method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849825A (en) * | 2003-03-13 | 2006-10-18 | 泰拉扬信息系统公司 | Thin docsis in-band management for interactive hfc service delivery |
| CN101365103A (en) * | 2007-08-06 | 2009-02-11 | 中国科学院声学研究所 | Interactive service management method for cable television network |
| CN101803380A (en) * | 2007-07-20 | 2010-08-11 | 联合视频制品公司 | Systems and methods for allocating bandwidth in switched digital video systems based on interest |
| CN101867778A (en) * | 2010-04-22 | 2010-10-20 | 广州珠江数码集团有限公司 | Live broadcasting method for digital interactive television |
-
2011
- 2011-06-17 CN CN201110164053.3A patent/CN102231849B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849825A (en) * | 2003-03-13 | 2006-10-18 | 泰拉扬信息系统公司 | Thin docsis in-band management for interactive hfc service delivery |
| CN101803380A (en) * | 2007-07-20 | 2010-08-11 | 联合视频制品公司 | Systems and methods for allocating bandwidth in switched digital video systems based on interest |
| CN101365103A (en) * | 2007-08-06 | 2009-02-11 | 中国科学院声学研究所 | Interactive service management method for cable television network |
| CN101867778A (en) * | 2010-04-22 | 2010-10-20 | 广州珠江数码集团有限公司 | Live broadcasting method for digital interactive television |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079956B (en) * | 2013-03-28 | 2017-07-14 | 日电（中国）有限公司 | User terminal access control method and access control equipment |
| CN104079956A (en) * | 2013-03-28 | 2014-10-01 | 日电（中国）有限公司 | User terminal access control method and access control equipment |
| CN103237270A (en) * | 2013-05-09 | 2013-08-07 | 黄孙明 | Video streaming media system and method capable of interacting with network |
| CN104904162B (en) * | 2013-12-13 | 2017-11-28 | 华为技术有限公司 | Resource allocation methods, device and system |
| CN104904162A (en) * | 2013-12-13 | 2015-09-09 | 华为技术有限公司 | Resource allocation method, device and system |
| WO2015085566A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Resource allocation method, device and system |
| WO2015197022A1 (en) * | 2014-06-27 | 2015-12-30 | 华为技术有限公司 | Method and device for controlling on-demand bandwidth service |
| CN104080181A (en) * | 2014-06-27 | 2014-10-01 | 华为技术有限公司 | Method and device for controlling bandwidth on demand service |
| CN105208452A (en) * | 2015-09-24 | 2015-12-30 | 天脉聚源（北京）科技有限公司 | Interactive load configuration method and device for television interactive system |
| CN105430529A (en) * | 2015-11-26 | 2016-03-23 | 航天恒星科技有限公司 | Video data transmission method and system |
| CN108012194A (en) * | 2016-11-02 | 2018-05-08 | 中兴通讯股份有限公司 | A kind of method, apparatus and system of control IPTV order videos |
| CN108012194B (en) * | 2016-11-02 | 2021-11-05 | 中兴通讯股份有限公司 | Method, device and system for controlling IPTV video on demand |
| CN110990699A (en) * | 2019-11-29 | 2020-04-10 | 广州市百果园信息技术有限公司 | Information pushing system, method, device, equipment and storage medium |
| CN110990699B (en) * | 2019-11-29 | 2021-12-07 | 广州市百果园信息技术有限公司 | Information pushing system, method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102231849B (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102231849B (en) | Digital television video on demand system and on demand method | |
| CN100579019C (en) | Resource admission control for customer triggered and network triggered reservation requests | |
| CN101374066B (en) | Method, apparatus and system for controlling multicast/unicast business admission | |
| CN1703087B (en) | Broadband telecommunications system and method used therein to reduce the latency of channel switching by a multimedia receiver | |
| CN102422649B (en) | Fast channel change handling of late multicast join | |
| CN100512178C (en) | Network transmission control method and system | |
| CN101053208B (en) | Wideband protocol | |
| CN101102214B (en) | Reporting multicast bandwidth consumption between a multicast replicating node and a traffic scheduling node | |
| EP2817971B1 (en) | Network controlled streaming | |
| CN101068227B (en) | System for protecting QoS system based on family gateway and reservation band width technique and method thereof | |
| WO2007140702A1 (en) | Multicast service processing method and access equipment | |
| CN102474591A (en) | IP video delivery using flexible channel bonding | |
| CN102438181A (en) | Method and system for adjusting time for sending heartbeat message in Internet protocol television (IPTV) system | |
| US10498492B2 (en) | Method and device for receiving and transmitting information in multimedia system | |
| CN110502259A (en) | Server version upgrade method, view networked system, electronic equipment and storage medium | |
| CN102780610B (en) | Gateway QoS (Quality of Service) guaranteeing method and packet switching network system | |
| US20100058422A1 (en) | Video audio stream distribution system, distribution method, and distribution program | |
| US8429465B2 (en) | Method, device and system for managing resources in networks | |
| CN100583817C (en) | Method of safetguard digital household network QoS | |
| CN101557331A (en) | Method and system for processing content index and content routing function and content distributing control entity | |
| CN101374103B (en) | Resource management apparatus, resource management method and system | |
| KR100842285B1 (en) | Method for managing resource and controlling call admission in access network and System thereof | |
| US9668173B2 (en) | Wireless multicast/broadcast integration with content management system | |
| US20130232231A1 (en) | Management of the transmission of data streams over multiple networks | |
| US20100172367A1 (en) | Network based bandwidth control in ims systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510010, No. 233 middle ring road, Guangzhou, Guangdong, Yuexiu District Patentee after: Guangzhou Zhujiang digital group Limited by Share Ltd Address before: 510010, No. 233 middle ring road, Guangzhou, Guangdong, Yuexiu District Patentee before: Guangzhou Zhujiang Digital Group Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Digital television video on demand system and on demand method Effective date of registration: 20171229 Granted publication date: 20140416 Pledgee: China Co truction Bank Corp Guangzhou Yuexiu branch Pledgor: Guangzhou Zhujiang digital group Limited by Share Ltd Registration number: 2017440000218 |