CN101188740A - Multicast method for living broadcast network TV - Google Patents
Multicast method for living broadcast network TV Download PDFInfo
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- CN101188740A CN101188740A CNA2007103020219A CN200710302021A CN101188740A CN 101188740 A CN101188740 A CN 101188740A CN A2007103020219 A CNA2007103020219 A CN A2007103020219A CN 200710302021 A CN200710302021 A CN 200710302021A CN 101188740 A CN101188740 A CN 101188740A
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Abstract
The invention discloses a multi-cast method of a direct broadcast network television, and relates to the network television multi-cast technology. The invention is proposed to solve the problem that the multi-cast control effect is not good in the network television at present. The invention adopts the technical proposal that firstly, an electronic program list server receives a channel broadcasting request sent by a user through a set-top box and then returns the ID information of the channel to the set-top box; secondly, whether a local channel attribute list contains the attribute of a request channel or not is searched through the set-top box, if the local channel attribute list contains the attribute of the request channel, whether the request channel is out of date or not is confirmed, when the request channel is in date, an editing television signal request is directly sent to television multicast equipment according to the attribute of the request channel; thirdly, the television multicast equipment broadcasts a television signal to the set-top box. The electronic program list server of the invention is arranged in the IPTV network, thereby the multicast control to all users is realized. The realization of the invention is simple, and the cost is low.
Description
Technical field
The present invention relates to Web TV (IPTV) multicasting technology, relate in particular to a kind of method of multicasting of living broadcast network TV.
Background technology
IPTV compares with traditional television services, and maximum characteristics are the order program service that can carry out personalized and real-time, interactive, can also carry out other value-added services that are similar to conventional telecommunications business and Internet service.The IPTV business is utilized IP network, the content that derives from all kinds of content suppliers such as television media, video display production company, mechanism of news media, long-distance education mechanism, integrate by IPTV broadband services application platform, be sent to terminals such as client personal computer, set-top box and television set, multimedia handset, make the user enjoy the colourful broadband multimedia services content that IPTV brings.The customer group of IPTV business is wider, has brought new value-added space to telecom operators, is one of value-added service of at present tool development prospect.
The IPTV business can provide program request and live broadcast service for the user.Demand (telecommunication) service is owing to the reason of business model has determined it must is to take the form of clean culture to transmit.Live broadcast service also is a mode of taking clean culture at the initial stage of IPTV business development, and promptly video server sends the live signal of a clean culture to each live user of watching, and this has just increased the burden to video server system and bearer network widely.Form with multicast realizes that live is the inexorable trend of present IPTV live broadcast service development.The IP multicast is about to the IP packet and sends to a plurality of destinations from a source, and the copy that is about to information sends to all recipients of certain group address.The IP multicast constitutes the main frame set of multicast group with IP data packet transmission to, each member of group can be distributed in each independently the relation between the physical network multicast group member be dynamic, the member can add or withdraw from any time.The IP multicast can effectively be saved the network bandwidth and resource, makes things convenient for the management and the control expense of network capacity, alleviates the load of send server greatly, and it is congested to avoid backbone network to occur
Most of multicast replication equipment of IPTV Access Network does not possess the multicast control ability at present, promptly can't carry out operations such as authentication, audit to the user who adds multicast.Though can solve the problems referred to above by the mode of device upgrade, cost is higher, also can cause interruption to current business simultaneously.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of multicasting of living broadcast network TV, does not change the multicast of realizing Web TV under the prerequisite of existing equipment.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of multicasting of living broadcast network TV comprises:
After A, electronic playbill server (EPG, Electronic Program Guide) receive the cannel broadcast request of user by the set-top box transmission, return the id information of request channel to described set-top box;
B, described set-top box are searched the attribute whether local channel attribute list has the request channel, confirm sometimes whether the described request channel is expired, and the attribute according to the described request channel when not out of date is directly compiled the TV signal request to TV multicast equipment transmission group;
C, TV multicast equipment are to described set-top box broadcast television signal.
Wherein, step B also comprises:
Local channel attribute list does not have the attribute of described request channel or described request channel attribute is arranged but when out of date, described set-top box sends channel to described electronic playbill server and orders request, and described electronic playbill server is forwarded to operation supporting platform with the channel that the is received request of ordering; Described operation supporting platform carries out authentication to the user, returning the attribute of ordering channel by authenticating the back to described electronic playbill server, described electronic playbill server is transmitted the described attribute of ordering channel to described set-top box, described set-top box is added the described attribute of ordering channel in the local channel attribute list to, and directly compiles the TV signal request to TV multicast equipment transmission group according to the described attribute of ordering channel.
Wherein, described channel attribute comprises: effective viewing time of the multicast address of channel ID, channel, channel.
Wherein, the clock synchronization of the clock of described set-top box and described operation supporting platform.
Among the present invention, the user utilizes set-top box to send the channel multicast request to electronic playbill server, electronic playbill server returns the channel id information to the user, if channel ID before the deadline, the user directly sends the channel multicast request to operation supporting platform by programme attribute, and operation supporting platform is to described user multicast TV programme; If channel is out of date or the current list does not have the attribute information of corresponding channel, the user authenticates to operation supporting platform by electronic playbill server, in the set-top box transmission program attribute information of authentication by the rear line place, the user directly sends the channel multicast request to operation supporting platform by programme attribute, and operation supporting platform is to described user multicast TV programme.The present invention has realized all users' management is controlled by electronic playbill server, realizes that simply cost is lower.
Description of drawings
Fig. 1 is the flow chart of the method for multicasting of living broadcast network TV of the present invention;
Fig. 2 carries out the flow chart that channel is ordered for STB of the present invention to EPG.
Embodiment
Core concept of the present invention is: existing IPTV multicast service is owing to the reason of multicast equipment can't realize user's management is controlled, and the unordered use that this has caused multicast IPTV Internet resources makes some high-priority users be without access to the service of application.The present invention is by being provided with electronic playbill server in the IPTV network, thereby realizes all users are carried out multicast control.Multicast control of the present invention realizes simple, and need not to change the structure of conventional network equipment, and the more detailed live professional control flow of the IPTV multicast based on application layer is provided effectively, can realize the control of the multicast live broadcast service in the IPTV business preferably.Describe the present invention below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the method for multicasting of living broadcast network TV of the present invention, and as shown in Figure 1, the method for multicasting of living broadcast network TV of the present invention may further comprise the steps:
Step 101: the user sends the cannel broadcast request by set-top box STB to electronic playbill server EPG.The user can initiate channel by the channel information of preserving among the STB and watch request, also can initiate the playing request of a certain setting contents of channel automatically by the back that resets.
Step 102: after receiving user's cannel broadcast request, EPG returns the id information of described STB request channel to STB.
The channel ID that step 103:STB returns according to EPG searches the attribute information whether local channel attribute list has this channel, determines that according to described attribute information whether this channel is expired, enters step 105 when not out of date sometimes.
Step 104: the channel ID attribute or the channel that do not have EPG to return in the local channel attribute list are expired, and STB sends channel to EPG and orders request.
Step 105:, directly compile the TV signal request to TV multicast equipment transmission group according to the attribute information of request channel.
Step 106: the TV multicast equipment is to the STB broadcast television signal.
Below describe STB in detail and carry out the flow process that channel is ordered to EPG.
Fig. 2 carries out the flow chart that channel is ordered for STB of the present invention to EPG, and as shown in Figure 2, STB carries out the flow process that channel orders to EPG and comprises:
Step 201:STB sends channel to EPG and orders request.Described channel is ordered and is comprised user basic information such as user name, encrypted message etc. in the request, and the ID of the channel of asking.Here, the information that the channel id information can be announced is in advance obtained, or is broadcasted to STB by EPG.
After the channel that step 202:EPG receives STB is ordered request, the channel request of ordering is forwarded to OSS.
Step 203:OSS carries out authentication according to user's information, if authentication is not passed through, does not then pass through information to the EPG return authentication, and EPG transmits described authentication to STB and do not pass through information; If, then enter step 204 by authentication.
Step 204:OSS returns the attribute information of ordering channel to EPG.
Step 205:EPG transmits the described attribute information of ordering channel to STB.
After step 206:STB receives the described attribute information of ordering channel, judge the attribute information (the expired situation of institute's channel of ordering) that whether has had this channel in the local channel attribute list, if have, then with the current received attribute information that the channel attribute information upgrades this channel of ordering; If do not have, then in local channel attribute list the corresponding informance of the channel of ordering and attribute thereof.
Among the present invention, the channel attribute information includes but not limited to: effective viewing time of the multicast address of channel ID, channel, channel.
Wherein, the clock of STB and the clock synchronization of OSS are to guarantee the consistent of the effective viewing time of channel that STB was received and OSS side.Can adopt NTP (Network Time Protocol) (NTP, Net Time Protocol) to guarantee the clock synchronization of clock and the OSS of STB, the NTP technology belongs to the synchronous known technology of the network equipment, repeats no more here.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (4)
1. the method for multicasting of a living broadcast network TV is characterized in that, this method comprises:
After A, electronic playbill server receive the cannel broadcast request of user by the set-top box transmission, return the id information of request channel to described set-top box;
B, described set-top box are searched the attribute whether local channel attribute list has the request channel, confirm sometimes whether the described request channel is expired, and the attribute according to the described request channel when not out of date is directly compiled the TV signal request to TV multicast equipment transmission group;
C, TV multicast equipment are to described set-top box broadcast television signal.
2. the method for multicasting of living broadcast network TV according to claim 1 is characterized in that, step B also comprises:
Local channel attribute list does not have the attribute of described request channel or described request channel attribute is arranged but when out of date, described set-top box sends channel to described electronic playbill server and orders request, and described electronic playbill server is forwarded to operation supporting platform with the channel that the is received request of ordering; Described operation supporting platform carries out authentication to the user, returning the attribute of ordering channel by authenticating the back to described electronic playbill server, described electronic playbill server is transmitted the described attribute of ordering channel to described set-top box, described set-top box is added the described attribute of ordering channel in the local channel attribute list to, and directly compiles the TV signal request to TV multicast equipment transmission group according to the described attribute of ordering channel.
3. the method for multicasting of living broadcast network TV according to claim 1 and 2 is characterized in that, described channel attribute comprises: effective viewing time of the multicast address of channel ID, channel, channel.
4. the method for multicasting of living broadcast network TV according to claim 2 is characterized in that, the clock of described set-top box and the clock synchronization of described operation supporting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103020219A CN101188740A (en) | 2007-12-19 | 2007-12-19 | Multicast method for living broadcast network TV |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103020219A CN101188740A (en) | 2007-12-19 | 2007-12-19 | Multicast method for living broadcast network TV |
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| CN101188740A true CN101188740A (en) | 2008-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007103020219A Pending CN101188740A (en) | 2007-12-19 | 2007-12-19 | Multicast method for living broadcast network TV |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144354A (en) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | IPTV service fulfillment configuration method and system based on PPPoE access |
| CN108234534A (en) * | 2016-12-13 | 2018-06-29 | 中国电信股份有限公司 | Information push method, server and system |
| CN108737901A (en) * | 2018-07-18 | 2018-11-02 | 烽火通信科技股份有限公司 | IPTV channel lists generate application method and system |
-
2007
- 2007-12-19 CN CNA2007103020219A patent/CN101188740A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144354A (en) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | IPTV service fulfillment configuration method and system based on PPPoE access |
| CN104144354B (en) * | 2013-05-10 | 2018-01-12 | 中国电信股份有限公司 | IPTV service based on PPPoE accesses opens collocation method and system |
| CN108234534A (en) * | 2016-12-13 | 2018-06-29 | 中国电信股份有限公司 | Information push method, server and system |
| CN108737901A (en) * | 2018-07-18 | 2018-11-02 | 烽火通信科技股份有限公司 | IPTV channel lists generate application method and system |
| CN108737901B (en) * | 2018-07-18 | 2020-12-08 | 烽火通信科技股份有限公司 | IPTV channel list generation and use method and system |
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Open date: 20080528 |