CN101299715B - Compulsion multicast method and system, route equipment and terminal equipment - Google Patents
Compulsion multicast method and system, route equipment and terminal equipment Download PDFInfo
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- CN101299715B CN101299715B CN2008100932602A CN200810093260A CN101299715B CN 101299715 B CN101299715 B CN 101299715B CN 2008100932602 A CN2008100932602 A CN 2008100932602A CN 200810093260 A CN200810093260 A CN 200810093260A CN 101299715 B CN101299715 B CN 101299715B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1895—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for short real-time information, e.g. alarms, notifications, alerts, updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1881—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with schedule organisation, e.g. priority, sequence management
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Abstract
The present invention discloses a compulsion multicast method and system, routing device and terminal equipment. The inventive method includes: a router receives a multicast packet, if the received multicast packet is detected to be a compulsion multicast packet, the router compulsorily forwards the multicast packet in priority; when the customer terminal receives the forwarded multicast packet from the router, if the received multicast packet is detected to be a compulsion multicast packet, the customer terminal compulsorily play the content of the multicast packet to users. Application of the invention, under specific circumstances that users need to receive emergency information, the information that a user are required to receive is transmitted to the user timely no matter the user is at the receiving state, thereby avoiding the loss caused by receiving information non-timely.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and system of compulsion multicast and routing device, terminal equipment.
Background technology
The digitlization of the rise of the Internet, the progress of broadband technology and cable TV has promoted the professional development of IPTV (Internet Protocol Television, Web TV).Subsystems such as the system configuration of IPTV comprises mainly that streaming media service, program are gathered and edited, storage and authentication and accounting are mainly used in the stored stream media file, and IP based network transport stream media file.The IPTV business with television set or personal computer as display terminal, send files in stream media by broadband network to the user, thereby provide broadband business such as digital broadcast television, Video service, information service, interactive community, interactive amusement and recreation, ecommerce to the user.
In the prior art, the user obtains the IPTV business by the mode of program request.For example, the user is by H-CSCF (Hyper-Call Session Control Function, hypertext call transmission session control functional equipment) selects the request program ordered, send call request to IMS (Information Management System, information management system) core net; The IMS core net is checked user profile, triggers IPTV AS (Action Script instruction) and handles; IPTV AS by and CDN (Content DeliveryNetwork, internet content delivery network) mutual, determine the video server and the Video stream information of finally serving, and return to H-CSCF by the IMS core net; IPTV AS supports management system to send charge information to operation; H-CSCF returns to set-top box with video server and Video stream information and the associated authorization information of service; The set-top box carrying part certificate and the certificate of authority send the video connection request to selected Video service network; The Video service network carries out the verification of the letter of identity and the certificate of authority, and after verification was passed through, set-top box and Video service network connected and carry out the transmission of video flowing.
In research and practice process to prior art, the inventor finds that there is following problem in prior art: prior art can only realize the function of user's program request, can't in particular cases initiatively play the function of specific program at some to the user.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of method and system of compulsion multicast and routing device, terminal equipment, can need promptly when receiving some information the user, and the information of forcing need receive the user sends to the user in time.
For solving the problems of the technologies described above, the present invention executes example and is achieved through the following technical solutions:
One embodiment of the invention provides a kind of method of compulsion multicast, comprising:
Routing device detects when carrying presupposed information in the multicast message that receives, force priority is transmitted described multicast message and is given client according to multicast table, make described client determine that according to the presupposed information that carries in the multicast message that receives this message is the compulsion multicast message, thereby described content of carrying the multicast message of presupposed information is play in force priority.
One embodiment of the invention provides a kind of system of compulsion multicast, comprising:
First transmitting element when being used to need compulsion multicast, sends the multicast message that carries presupposed information;
First routing unit is used for detecting described multicast message and whether carrying presupposed information, if described multicast message is transmitted in force priority according to multicast table when described first transmitting element receives multicast message;
First terminal unit is used for detecting described multicast message and whether carrying presupposed information when described first routing unit receives multicast message, if described content of carrying the multicast message of presupposed information is play in force priority.
One embodiment of the invention provides a kind of terminal equipment, comprising:
First detecting unit when being used to receive multicast message, detecting described multicast message and whether carries presupposed information, if send force priority and play message;
Broadcast unit is used for playing the content of the multicast message that carries presupposed information that receives when receiving force priority broadcast message.
One embodiment of the invention provides a kind of routing device, comprising:
Second detecting unit, whether the multicast message that is used to detect reception carries presupposed information, if send force priority and transmit message;
First retransmission unit is used for receiving force priority when transmitting message from described second detecting unit, transmits the described multicast message that carries presupposed information according to the multicast table force priority.
One embodiment of the invention provides a kind of method of compulsion multicast, comprising:
When routing device judges that according to static compulsion multicast table the multicast message that receives is the compulsion multicast message, force priority is transmitted described multicast message and is given client according to static compulsion multicast table, make described client determine that according to the group IP address of the multicast message that receives this multicast message is the compulsion multicast message, thereby the content that multicast source address belongs to the multicast message of described static compulsion multicast table is play in force priority.
One embodiment of the invention provides a kind of system of compulsion multicast, comprising:
Second transmitting element when being used to need compulsion multicast, sends the compulsion multicast message;
The secondary route unit is used for judging according to static compulsion multicast table whether described multicast message is the compulsion multicast message, if described compulsion multicast message is transmitted in force priority when described second transmitting element receives multicast message;
Second terminal unit is used for when described secondary route unit receives multicast message, judges when described multicast message is the compulsion multicast message that according to the group IP address that sends described multicast message described compulsion multicast content of message is play in force priority.
One embodiment of the invention provides a kind of terminal equipment, comprising:
First judging unit, when being used to receive multicast message, the group IP address that sends described multicast message judges whether to be the compulsion multicast message, if send force priority and play message;
Broadcast unit, when being used to receive force priority broadcast message, the described compulsion multicast content of message that receives is play in force priority.
One embodiment of the invention provides a kind of routing device, comprising:
Second judging unit when receiving multicast message, judges according to static compulsion multicast table whether described multicast message is the compulsion multicast message, if send force priority and transmit message; Second retransmission unit is used for receiving force priority when transmitting message from described second judging unit, transmits described compulsion multicast message according to static compulsion multicast table.
Whether above technical scheme when router receives multicast message, is the compulsion multicast message by the multicast message that detects reception as can be seen, if the compulsion multicast message, then this multicast message is transmitted in force priority; When client when router receives the multicast message of forwarding, be the compulsion multicast message if detect the multicast message of reception, then force to give the user with this multicast message content play.Therefore needing the user promptly to receive some information in particular cases, no matter whether the user is in accepting state, transmit and play by force priority, can send to the user to the information that needs the user to receive in time, avoid because of the untimely loss that causes of reception information.
Description of drawings
The method flow diagram that Fig. 1 provides for one embodiment of the invention;
The system schematic that Fig. 2 provides for one embodiment of the invention;
The terminal equipment schematic diagram that Fig. 3 provides for one embodiment of the invention;
The routing device schematic diagram that Fig. 4 provides for one embodiment of the invention;
The method flow diagram that Fig. 5 provides for one embodiment of the invention;
The system schematic that Fig. 6 provides for one embodiment of the invention;
The terminal equipment schematic diagram that Fig. 7 provides for one embodiment of the invention;
The routing device schematic diagram that Fig. 8 provides for one embodiment of the invention.
Embodiment
The embodiment of the invention provides the method and system of compulsion multicast and routing device, terminal equipment, need to be used to the user promptly to receive some information in particular cases, no matter whether the user is in the situation of accepting state, all force the information that needs the user to receive is issued the user in time, for example, information such as meteorological early warning, great economy time.In order to make technical scheme of the present invention clearer, enumerate embodiment below and be elaborated.
Referring to Fig. 1, the method flow diagram for one embodiment of the invention provides comprises:
S101: multicast source sends the multicast message that carries presupposed information.Because data message adopts the UDP form usually in the IPTV standard, the udp port that therefore can adopt this multicast source identifies the multicast message that needs compulsion multicast number as presupposed information.
S102: router receiving group message.
S103: whether carry presupposed information in the multicast message that router detection receives, if, carry out S104, otherwise, S105 carried out.
S104: router utilizes existing multicast table force priority to transmit the multicast message that carries presupposed information, enters step S106 then.
S105: router utilizes existing multicast table to transmit the content of original channel, and returns step S102.
S106: client receives the multicast message that described router is transmitted;
S107: client detects in the multicast message that receives whether carry presupposed information, if, carry out S108, otherwise, S109 carried out.
S108: the content of the multicast message that carries presupposed information is play in the client force priority.Concrete, client temporarily stops to play the content of original channel, change the content of playing the multicast message that carries presupposed information into, this moment is owing to carry the priority that the priority of the multicast message of presupposed information is higher than other data messages, after receiving other data messages, can directly abandon and play the multicast message that this carries presupposed information, after playing this multicast message that carries presupposed information, enter step S109.
S109: client continues to play the content of original channel, process ends.
In the present embodiment, step S108 can replace with following process: if client support " picture-in-picture " function, can be when playing original channel content, in " picture-in-picture " of display screen, play the multicast message content of carrying presupposed information, for example, the terminal use is using the IPTV business to watch football match, is at this moment showing that the typhoon early warning information appears in lower right frequently suddenly.
In the present embodiment, by the multicast message that needs compulsion multicast being added the sign of presupposed information, when router and terminal are received the multicast message that carries presupposed information, pressure is handled the multicast message that carries presupposed information that receives, thereby will need the multicast message of compulsion multicast to send to the user in time, avoid the user because the untimely loss that causes of reception information.
Referring to Fig. 2, the system schematic for one embodiment of the invention provides comprises:
First transmitting element 201 when being used to need compulsion multicast, sends the multicast message that carries presupposed information.Because data message adopts the UDP form usually in the IPTV standard, certain udp port that therefore can adopt multicast source identifies the multicast message that needs compulsion multicast number as presupposed information; Can certainly adopt other specific markers to be used as the sign of compulsion multicast message.
First terminal unit 203, be used for when described first routing unit 202 receives multicast message, detect described multicast message and whether carry presupposed information, if, then the multicast message of Jie Shouing is the compulsion multicast message, its priority is higher than general multicast message, and the content of the multicast message that carries presupposed information is play in 203 force priorities of first terminal unit.
Wherein, described first terminal unit 203 comprises:
First detecting unit 204 when being used to receive multicast message, detecting described multicast message and whether carries presupposed information, if then the multicast message of Jie Shouing is the compulsion multicast message, sends force priority and plays message; And
First detecting unit 204 when being used to receive multicast message, detecting described multicast message and whether carries presupposed information, if then the multicast message of Jie Shouing is the compulsion multicast message, sends force priority and plays message; And,
Referring to Fig. 3, the terminal equipment schematic diagram for one embodiment of the invention provides comprises:
First detecting unit 204 when being used to receive multicast message, detecting described multicast message and whether carries presupposed information, if then the multicast message of Jie Shouing is the compulsion multicast message, sends force priority and plays message;
Concrete, this broadcast unit 301 comprises:
Referring to Fig. 4, the routing device schematic diagram for one embodiment of the invention provides comprises:
Second detecting unit 401, whether the multicast message that is used to detect reception carries presupposed information, if, then this multicast message is the compulsion multicast message, because the compulsion multicast priority of messages is higher than the general multicast priority of messages, therefore, send preferential force priority of transmitting the compulsion multicast message and transmit message;
Referring to Fig. 5, the method flow diagram for one embodiment of the invention provides comprises:
S501: reserve the IP address of one or more groups of IP addresses as compulsion multicast.
S502: the group IP address that will reserve adds all router static configuration groups that directly link to each other with client, thereby sets up static compulsion multicast table.
S503: when needs carried out compulsion multicast, described multicast source with group IP address of reservation sent the compulsion multicast message.
S504: router receiving group message.
S505: router judges that according to the static compulsion multicast table that step S502 sets up described multicast message is the compulsion multicast message, if, carry out S506, otherwise, S507 carried out.
S506: the multicast message that receives is transmitted in the static compulsion multicast table force priority that router utilizes step S502 to set up, and enters step S508 then.
S507: router utilizes existing multicast table to transmit the content of original channel, and returns step S504.
S508: the multicast message that the client receiving router is transmitted.
S509: client judges according to the group IP address that sends multicast message whether this multicast message is the compulsion multicast message, if, execution in step S510, otherwise enter step S511.
S510: the content of the multicast message that receives is play in the client force priority.Concrete, client temporarily stops to play the content of original channel, change into and play the compulsion multicast content of message, this moment is because the compulsion multicast priority of messages is higher than the priority of other data messages, after receiving other data messages, can directly abandon and play this compulsion multicast message, after playing this compulsion multicast message, enter step S511.
S511: client continues to play the content of original channel, process ends.
In the present embodiment, step S511 can replace with following process: if client support " picture-in-picture " function, can be when playing original channel content, in " picture-in-picture " of display screen, play the compulsion multicast content of message, for example the terminal use is using the IPTV business to watch football match, is at this moment showing that the typhoon early warning information appears in lower right frequently suddenly.
In the present embodiment, add by configuring static group on router, thereby set up static compulsion multicast table, adopt this static state compulsion multicast table to transmit to needs compulsion multicast message, when terminal is received the compulsion multicast message, the preferential content of playing compulsion multicast, thus will need the multicast message of compulsion multicast to send to the user in time, avoided the user because the untimely loss that causes of reception information.
Referring to Fig. 6, the system schematic for one embodiment of the invention provides comprises:
Second transmitting element 601 when being used to need compulsion multicast, sends the compulsion multicast message.
Second terminal unit 603, be used for when described secondary route unit 602 receives multicast message, when judging that according to the group IP address that sends described multicast message the multicast message that receives is the compulsion multicast message, because the compulsion multicast priority of messages is higher than general priority of messages, therefore, preferentially play the compulsion multicast content of message.
Wherein, described system also comprises:
Wherein, described second terminal unit 603 comprises:
First judging unit 605, when being used to receive multicast message, group IP address according to described multicast message judges whether to be the compulsion multicast message, if, because the compulsion multicast priority of messages is higher than general priority of messages, sends preferential force priority of playing the compulsion multicast message content and play message; And,
First judging unit 605, when being used to receive multicast message, group IP address according to described multicast message judges whether to be the compulsion multicast message, if, because the compulsion multicast priority of messages is higher than general priority of messages, sends preferential force priority of playing the compulsion multicast message content and play message; And,
Referring to Fig. 7, the terminal equipment schematic diagram for one embodiment of the invention provides comprises:
First judging unit 605, when being used to receive multicast message, group IP address according to described multicast message judges whether to be the compulsion multicast message, if, because the compulsion multicast priority of messages is higher than general priority of messages, sends preferential force priority of playing the compulsion multicast message content and play message.
Concrete, this broadcast unit 301 comprises:
Referring to Fig. 8, the routing device schematic diagram for one embodiment of the invention provides comprises:
Whether above embodiment when router receives multicast message, is the compulsion multicast message by the multicast message that detects reception as can be seen, if the compulsion multicast message, then this multicast message is transmitted in force priority; When client when router receives the multicast message of forwarding, be the compulsion multicast message if detect the multicast message of reception, then force to give the user with this multicast message content play.Therefore needing the user promptly to receive some information in particular cases, no matter whether the user is in accepting state, transmit and play by force priority, can send to the user to the information that needs the user to receive in time, avoid because of the untimely loss that causes of reception information.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than the method and system of compulsion multicast provided by the present invention and routing device, terminal equipment are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. the method for a compulsion multicast is characterized in that, comprising:
Routing device detects when carrying presupposed information in the multicast message that receives, force priority is transmitted described multicast message and is given client according to multicast table, make described client determine that according to the presupposed information that carries in the multicast message that receives this message is the compulsion multicast message, thereby described content of carrying the multicast message of presupposed information is play in force priority; Described presupposed information is: certain udp port of multicast source number perhaps, is used to identify the specific markers of compulsion multicast message.
2. method according to claim 1 is characterized in that, before the described routing device receiving group message, comprising:
When needing compulsion multicast, need the multicast source of issue compulsion multicast information to send the multicast message that carries presupposed information.
3. method according to claim 1 is characterized in that, the content of the multicast message that carries presupposed information is play in described force priority, comprising:
Stop to play the multicast message of original channel, change the content of playing the multicast message that carries presupposed information into; Perhaps,
When playing original channel, the mode of employing picture-in-picture is play the content of the multicast message that carries presupposed information.
4. the system of a compulsion multicast is characterized in that, comprising:
First transmitting element when being used to need compulsion multicast, sends the multicast message carry presupposed information, and described presupposed information is: certain udp port of multicast source number perhaps, is used to identify the specific markers of compulsion multicast message;
First routing unit is used for detecting described multicast message and whether carrying presupposed information, if described multicast message is transmitted in force priority according to multicast table when described first transmitting element receives multicast message;
First terminal unit is used for detecting described multicast message and whether carrying presupposed information when described first routing unit receives multicast message, if described content of carrying the multicast message of presupposed information is play in force priority.
5. system according to claim 4 is characterized in that, described first terminal unit comprises:
First detecting unit when being used to receive multicast message, detecting described multicast message and whether carries presupposed information, if send force priority and play message; And
First broadcast unit when being used to receive force priority broadcast message, stops to play the multicast message of original channel, changes the content of playing the multicast message that carries presupposed information into; Perhaps,
First detecting unit when being used to receive multicast message, detecting described multicast message and whether carries presupposed information, if send force priority and play message;
Second broadcast unit when being used to receive described force priority and playing message, when playing original channel, adopts the mode of picture-in-picture to play the content of the multicast message that carries presupposed information.
6. a terminal equipment is characterized in that, comprising:
First detecting unit when being used to receive multicast message, detecting described multicast message and whether carries presupposed information, if send force priority and play message; Described presupposed information is: certain udp port of multicast source number perhaps, is used to identify the specific markers of compulsion multicast message;
Broadcast unit is used for playing the content of the multicast message that carries presupposed information that receives when receiving force priority broadcast message.
7. equipment according to claim 6 is characterized in that, described broadcast unit comprises:
First broadcast unit when being used to receive force priority broadcast message, stops to play the multicast message of original channel, changes the content of playing the multicast message that carries presupposed information into; Perhaps,
Second broadcast unit when being used to receive described force priority and playing message, when playing original channel, adopts the mode of picture-in-picture to play the content of the multicast message that carries presupposed information.
8. a routing device is characterized in that, comprising:
Second detecting unit, whether the multicast message that is used to detect reception carries presupposed information, if send force priority and transmit message; Described presupposed information is: certain udp port of multicast source number perhaps, is used to identify the specific markers of compulsion multicast message;
First retransmission unit is used for receiving force priority when transmitting message from described second detecting unit, transmits the described multicast message that carries presupposed information according to the multicast table force priority.
9. the method for a compulsion multicast is characterized in that, comprising:
Reserve the IP address of one or more groups of IP addresses as the compulsion multicast message;
Described group of IP address added the configuration of routers static group that all directly link to each other with client, set up static compulsion multicast table;
When routing device judges that according to static compulsion multicast table the multicast message that receives is the compulsion multicast message, force priority is transmitted described multicast message and is given client according to static compulsion multicast table, make described client determine that according to the group IP address of the multicast message that receives this multicast message is the compulsion multicast message, thereby the content that multicast source address belongs to the multicast message of described static compulsion multicast table is play in force priority.
10. method according to claim 9 is characterized in that, the content that multicast source address belongs to the multicast message of described static compulsion multicast table is play in described force priority, comprising:
Stop to play the multicast message of original channel, change into and play the content that multicast source address belongs to the multicast message of described static compulsion multicast table; Perhaps,
When playing original channel, adopt the mode of picture-in-picture to play the content that multicast source address belongs to the multicast message of described static compulsion multicast table.
11. the system of a compulsion multicast is characterized in that, comprising:
Dispensing unit, the group IP address that is used for reserving adds the static configuration group of the second router unit, sets up static compulsion multicast table;
Second transmitting element when being used to need compulsion multicast, sends the compulsion multicast message;
The secondary route unit is used for judging according to static compulsion multicast table whether described multicast message is the compulsion multicast message, if described compulsion multicast message is transmitted in force priority when described second transmitting element receives multicast message;
Second terminal unit is used for when described secondary route unit receives multicast message, judges when described multicast message is the compulsion multicast message that according to the group IP address that sends described multicast message described compulsion multicast content of message is play in force priority.
12. system according to claim 11 is characterized in that, described second terminal unit comprises:
Judging unit when being used to receive multicast message, judges whether to be the compulsion multicast message according to the group IP address of described multicast message, if send force priority and play message;
First broadcast unit when being used to receive force priority broadcast message, stops to play the multicast message of original channel, changes the content that broadcast group IP address belongs to the multicast message of static compulsion multicast table into; Perhaps,
Second broadcast unit when being used to receive described force priority and playing message, when playing original channel, adopts the mode broadcast group IP address of picture-in-picture to belong to the content of the multicast message of static compulsion multicast table.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100932602A CN101299715B (en) | 2008-05-19 | 2008-05-19 | Compulsion multicast method and system, route equipment and terminal equipment |
| PCT/CN2009/071853 WO2009140909A1 (en) | 2008-05-19 | 2009-05-19 | Method and system for forcibly transferring multicast message, route apparatus and terminal apparatus |
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| CN2008100932602A CN101299715B (en) | 2008-05-19 | 2008-05-19 | Compulsion multicast method and system, route equipment and terminal equipment |
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| CN101299715B true CN101299715B (en) | 2011-04-20 |
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| CN101299715B (en) * | 2008-05-19 | 2011-04-20 | 华为技术有限公司 | Compulsion multicast method and system, route equipment and terminal equipment |
| ATE549860T1 (en) * | 2009-01-13 | 2012-03-15 | Alcatel Lucent Espana S A | METHOD AND DEVICE FOR ENSURE RELIABILITY DURING THE TRANSMISSION OF TELEVISION DATA IN AN INTERNET PROTOCOL BASED TELEVISION SYSTEM |
| CN105491091B (en) * | 2014-09-17 | 2020-06-23 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN113472656B (en) * | 2021-06-29 | 2023-04-18 | 新华三信息安全技术有限公司 | Two-layer switching equipment and method for forwarding multicast data message |
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| CN101299715B (en) * | 2008-05-19 | 2011-04-20 | 华为技术有限公司 | Compulsion multicast method and system, route equipment and terminal equipment |
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| CN1917469A (en) * | 2005-08-18 | 2007-02-21 | 中国长城计算机深圳股份有限公司 | Method for controlling transmission of message based on priorities of message |
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|---|---|
| WO2009140909A1 (en) | 2009-11-26 |
| CN101299715A (en) | 2008-11-05 |
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