CN102572530A - Streaming media business adjusting method and system - Google Patents
Streaming media business adjusting method and system Download PDFInfo
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- CN102572530A CN102572530A CN2011104562678A CN201110456267A CN102572530A CN 102572530 A CN102572530 A CN 102572530A CN 2011104562678 A CN2011104562678 A CN 2011104562678A CN 201110456267 A CN201110456267 A CN 201110456267A CN 102572530 A CN102572530 A CN 102572530A
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Abstract
The invention discloses a streaming media business adjusting method and a system. The method comprises the following steps: a content distribution network (CDN) node agency makes statistic of channel request information from a user terminal and reported by a streaming media server of the CDN node agency and reports the statistics to a CDN node manager; and the CDN node manager can adjust channels of the streaming media server according to the statistics. The streaming media business adjusting method and the system can dynamically adjust channels on the streaming media server according to situations of channels which are requested by the user terminals to be accessed and can dynamically adjust access load of the streaming media server according to the number of the user terminals of the streaming media server. The technical scheme of the streaming media business adjusting method and the system is more suitable for non-specific network users, can dynamically adjust channel distribution according to requirements of users and provides better streaming media services to users.
Description
Technical field
Streaming Media access technology of the present invention relates in particular to a kind of streaming media service channel method of adjustment and system.
Background technology
The upgrading of telecommunications enterprise's network infrastructure and the lifting of service bandwidth are for providing multiple audio frequency and video business that possibility is provided based on existing fixed network and mobile network.Stream media technology provides a kind of mode at the transmission through network media content, and it can store continuous image and sound on the server into after through coding, let the user watch while downloading, and downloads on the local terminal and just can watch and whole file such as need not.Because stream media technology has been avoided the interruption of Video service; Promoted user experience; Therefore in multi-media service system, obtained using widely, the direct broadcast band business in the network television business system promptly is to be that user terminal provides service with the Streaming Media mode at present.
In network television business system; Usually service node is carried out networking according to the region hierarchical structure; Each node comprises a content distributing network (CDN; Content Delivery Network) agency and some streaming media servers, all nodes are are all administered and maintained by a concentrated CDN node manager.The system operation attendant creates channel in advance according to node Hardware configuration or service planning situation on service node, introduce live code stream, for the user who belongs to this node provides the audio frequency and video direct broadcast service.The restriction that this mode exists is that channel need be realized newly-increased and deletion through manual operations, and maintenance workload is bigger, and can't carry out instant dynamically adjustment according to system's interior nodes loading condition; If consider from reducing the channel manage workload; Whole channels of supporting of drawing-in system all on all streaming media servers of system service node; Because the resources such as transcoding ability that channel can consume streaming media server cause the media services wasting of resources or node pressure excessive so probably.
Summary of the invention
In view of this; Main purpose of the present invention is to provide a kind of streaming media service channel method of adjustment and system; Can be according to the channel conditions of user terminal requests access; Dynamically adjust the channel on the streaming media server, and can dynamically adjust the access load of streaming media server according to the user terminal quantity of incoming stream media server.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of streaming media service channel method of adjustment comprises:
The CDN node-agent to obtain the user terminal that the streaming media server under self reports the solicited message of channel added up, and statistics is reported the CDN node manager;
Said CDN node manager is adjusted according to the channel on the said statistics convection media server.
Preferably, said CDN node manager is adjusted according to the channel on the said statistics convection media server, for:
When the definite request number of times to certain channel of said CDN node manager reaches setting threshold, for each streaming media server is created said channel;
And/or, when the definite requesting users terminal quantity to certain channel of said CDN node manager reaches setting threshold, for each streaming media server is created said channel;
And/or; When the definite request number of times to certain channel of said CDN node manager is lower than setting threshold; On a streaming media server of said CDN node-agent, keep said channel, delete the said channel on other streaming media servers of said CDN node-agent.
Preferably, said CDN node manager is adjusted according to the channel on the said statistics convection media server, for:
Said CDN node manager sends the channel creation request through the CDN node-agent to streaming media server, and said streaming media server is created the channel to be created of appointment in the channel creation request that is received;
And/or said CDN node manager sends channel deletion request through the CDN node-agent to streaming media server, the channel to be deleted of appointment in the channel deletion request that said streaming media server deletion is received.
Preferably, said method also comprises:
When the CDN node-agent confirmed that the quantity of the user terminal of certain streaming media server of access reaches setting threshold, the user terminal that request is afterwards inserted was linked into other streaming media servers.
Preferably, said solicited message to channel comprises that channel identication, request number of times, requesting users terminal quantity, request insert lasting duration, the flow of channel.
A kind of streaming media service channel Adjustment System comprises CDN node-agent, streaming media server and CDN node manager; Wherein:
Streaming media server is used for the user terminal that receives is reported the CDN node-agent under self to the solicited message of channel;
The CDN node-agent is used for the user terminal that is obtained is added up the solicited message of channel, and statistics is reported the CDN node manager;
The CDN node manager is used for adjusting according to the channel on the said statistics convection media server.
Preferably, said CDN node manager also is used for,
When definite request number of times to certain channel reaches setting threshold, for each streaming media server is created said channel;
And/or, when definite requesting users terminal quantity to certain channel reaches setting threshold, for each streaming media server is created said channel;
And/or, when confirming that request number of times to certain channel is lower than setting threshold, on a streaming media server of said CDN node-agent, keep said channel, delete the said channel on other streaming media servers of said CDN node-agent.
Preferably, said CDN node manager also is used for sending the channel creation request through the CDN node-agent to streaming media server, and said streaming media server also is used for, and creates the channel to be created of appointment in the channel creation request that is received;
And/or said CDN node manager also is used for, and sends channel deletion request through the CDN node-agent to streaming media server, and said streaming media server also is used for, the channel to be deleted of appointment in the channel deletion request that deletion is received.
Preferably, said CDN node-agent also is used for, and when definite quantity that inserts the user terminal of certain streaming media server reached setting threshold, the user terminal that request is afterwards inserted was linked into other streaming media servers.
Preferably, said solicited message to channel comprises that channel identication, request number of times, requesting users terminal quantity, request insert lasting duration, the flow of channel.
Among the present invention, streaming media server reports the CDN node-agent under self with the user terminal that receives to the solicited message of channel; The CDN node-agent is added up the solicited message of channel the user terminal that is obtained, and statistics is reported the CDN node manager; The CDN node manager is adjusted according to the channel on the said statistics convection media server.When the CDN node-agent reached setting threshold in the quantity of the user terminal of confirming certain streaming media server of access, the user terminal that request is afterwards inserted was linked into other streaming media servers.The present invention can be according to the channel conditions of user terminal requests access; Dynamically adjust the channel on the streaming media server; And can dynamically adjust the access load of streaming media server according to the user terminal quantity of incoming stream media server, technical scheme of the present invention is more suitable for not particular network user; Can dynamically adjust channel according to user's request and distribute, for the user provides better streaming media service.
Description of drawings
Fig. 1 is the composition structural representation of the streaming media service channel Adjustment System of the embodiment of the invention;
The streaming media server that Fig. 2 implements for the present invention provides the flow chart of streaming media service;
The channel service statistical information report flow figure that Fig. 3 implements for the present invention;
The flow chart that Fig. 4 adjusts channel for the CDN node manager that the present invention implements.
Embodiment
Basic thought of the present invention is: streaming media server reports the CDN node-agent under self with the user terminal that receives to the solicited message of channel; The CDN node-agent is added up the solicited message of channel the user terminal that is obtained, and statistics is reported the CDN node manager; The CDN node manager is adjusted according to the channel on the said statistics convection media server.When the CDN node-agent reached setting threshold in the quantity of the user terminal of confirming certain streaming media server of access, the user terminal that request is afterwards inserted was linked into other streaming media servers.
For making the object of the invention, technical scheme and advantage are clearer, below lift embodiment and with reference to accompanying drawing, to further explain of the present invention.
Fig. 1 is the composition structural representation of the streaming media service channel Adjustment System of the embodiment of the invention; As shown in Figure 1; The streaming media service channel Adjustment System of the embodiment of the invention comprises user's access unit (UAU; UserAccess Unit), CDN node manager (CDN Manager), CDN node and user terminal (being designated UE among the figure, User Equipment), wherein the CDN node comprises a CDN node-agent (CDN Agent) and two streaming media server (SS1; SS2, SS are Streaming Server).Wherein, storing in user's access unit to provide the channel program of Streaming Media list information on the streaming media server, and user terminal is linked in the streaming media server through user's access unit.The CDN node-agent is used for the streaming media server of CDN node is managed, and balance is linked into the number of users in each streaming media server, to realize the Streaming Media shunting.It will be appreciated by those skilled in the art that Fig. 1 is merely exemplary sketch map, the streaming media server in CDN node can be for more than three.
Among the present invention, the media negotiation that is redirected between mutual, user terminal and the streaming media server for the medium between user terminal and the CDN node-agent all is to adopt real-time streaming protocol (RTSP, Real-Time Streaming Protocol) to realize alternately; Transmission is to adopt RTP (RTP for the media data between streaming media server and the user terminal; Real-Time Transport Protocol) and RTCP Real-time Transport Control Protocol (RTCP, Real-Time Transport Control Protocol) realize; Browsing for the access control between user terminal and the user's access unit and media resource is to adopt HTTP (HTTP, HyperText Transfer Protocol) to realize alternately; For user terminal reporting of channel request information being issued with channel adjustment message is to realize through transmission control protocol (TCP, Transmission Control Protocol).It will be appreciated by those skilled in the art that above-mentioned agreement is this area communication protocol commonly used, be used to realize that the information interaction between the said network element is to realize easily, the present invention repeats no more, and it realizes details.
Concrete, streaming media server is used for the user terminal that receives is reported the CDN node-agent under self to the solicited message of channel;
The CDN node-agent is used for the user terminal that is obtained is added up the solicited message of channel, and statistics is reported the CDN node manager;
The CDN node manager is used for adjusting according to the channel on the said statistics convection media server.
Wherein, said CDN node manager also is used for,
When definite request number of times to certain channel reaches setting threshold, for each streaming media server is created said channel;
And/or, when definite requesting users terminal quantity to certain channel reaches setting threshold, for each streaming media server is created said channel;
And/or, when confirming that request number of times to certain channel is lower than setting threshold, on a streaming media server of said CDN node-agent, keep said channel, delete the said channel on other streaming media servers of said CDN node-agent.
Above-mentioned CDN node manager also is used for sending the channel creation request through the CDN node-agent to streaming media server, and said streaming media server also is used for, and creates the channel to be created of appointment in the channel creation request that is received;
And/or above-mentioned CDN node manager also is used for, and sends channel deletion request through the CDN node-agent to streaming media server, and said streaming media server also is used for, the channel to be deleted of appointment in the channel deletion request that deletion is received.
Wherein, said CDN node-agent also is used for, and when definite quantity that inserts the user terminal of certain streaming media server reached setting threshold, the user terminal that request is afterwards inserted was linked into other streaming media servers.
Above-mentioned solicited message to channel comprises but is not limited to: channel identication, request number of times, requesting users terminal quantity, request insert lasting duration, the flow of channel.
The streaming media server that Fig. 2 implements for the present invention provides the flow chart of streaming media service, and as shown in Figure 2, the streaming media server of this example provides the flow process of streaming media service may further comprise the steps:
Step 201, user terminal is initiated logging request to user's access unit, through logining streaming media service channel Adjustment System of the present invention after a series of authentications such as authentication and service authentication;
Step 202, user's access unit returns the unidirectional user terminal of the electronic programming in self, and the user obtains the channel list of respective streams medium;
Step 203; User terminal is checked the channel list information that user's access unit is provided through built-in browser; The channel that selection will be watched is also asked playing stream media; Comprise the address and the port information of channel place CDN node-agent in the channel clauses and subclauses of the programme of storing in user's access unit, user terminal is initiated redirect request to the CDN node-agent;
Step 204; The CDN node-agent is according to the distributed intelligence of intranodal channel and the streaming media server performance situation of self buffer memory; Carry out service redirection at intranodal, the streaming media server that selection can be served also returns to user terminal with this streaming media server information;
Step 205, the CDN node-agent returns the streaming media server information that finds that is redirected to user terminal;
Step 206, user terminal is to streaming media server request cannel broadcast;
Step 207 is carried out media negotiation between user terminal and the streaming media server, the media negotiation message that relates to mainly comprises RTSP DESCRIBE request and response, RTSP SETUP request and response, RTSPPLAY request and response etc.; Because media negotiation and user terminal incoming stream media server are prior art, emphasis that neither technical scheme of the present invention, repeating no more here, it realizes details.
Step 208, after the media negotiation between user terminal and the streaming media server was accomplished, streaming media server began to send the channel code stream media data through the RTP/RTCP agreement to user terminal;
Step 209, the user stops to watch channel service, and user terminal is initiated RTSP TEARDOWN request;
Step 210, streaming media server stop to send the channel code stream data to user terminal.
The channel service statistical information report flow figure that Fig. 3 implements for the present invention, as shown in Figure 3, the channel service statistical information report flow that the present invention implements may further comprise the steps:
The flow chart that Fig. 4 adjusts channel for the CDN node manager that the present invention implements, as shown in Figure 4, the CDN node manager that the present invention implements is adjusted flow process to channel and may further comprise the steps:
The present invention can be according to the channel conditions of user terminal requests access; Dynamically adjust the channel on the streaming media server; And can dynamically adjust the access load of streaming media server according to the user terminal quantity of incoming stream media server, technical scheme of the present invention is more suitable for not particular network user; Can dynamically adjust channel according to user's request and distribute, for the user provides better streaming media service.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (10)
1. streaming media service channel method of adjustment is characterized in that said method comprises:
Content distributing network CDN node-agent to obtain the user terminal that the streaming media server under self reports the solicited message of channel added up, and statistics is reported the CDN node manager;
Said CDN node manager is adjusted according to the channel on the said statistics convection media server.
2. method according to claim 1 is characterized in that, said CDN node manager is adjusted according to the channel on the said statistics convection media server, for:
When the definite request number of times to certain channel of said CDN node manager reaches setting threshold, for each streaming media server is created said channel;
And/or, when the definite requesting users terminal quantity to certain channel of said CDN node manager reaches setting threshold, for each streaming media server is created said channel;
And/or; When the definite request number of times to certain channel of said CDN node manager is lower than setting threshold; On a streaming media server of said CDN node-agent, keep said channel, delete the said channel on other streaming media servers of said CDN node-agent.
3. method according to claim 2 is characterized in that, said CDN node manager is adjusted according to the channel on the said statistics convection media server, for:
Said CDN node manager sends the channel creation request through the CDN node-agent to streaming media server, and said streaming media server is created the channel to be created of appointment in the channel creation request that is received;
And/or said CDN node manager sends channel deletion request through the CDN node-agent to streaming media server, the channel to be deleted of appointment in the channel deletion request that said streaming media server deletion is received.
4. method according to claim 1 is characterized in that, said method also comprises:
When the CDN node-agent confirmed that the quantity of the user terminal of certain streaming media server of access reaches setting threshold, the user terminal that request is afterwards inserted was linked into other streaming media servers.
5. according to each described method of claim 1 to 4, it is characterized in that said solicited message to channel comprises that channel identication, request number of times, requesting users terminal quantity, request insert lasting duration, the flow of channel.
6. a streaming media service channel Adjustment System is characterized in that, said system comprises CDN node-agent, streaming media server and CDN node manager; Wherein:
Streaming media server is used for the user terminal that receives is reported the CDN node-agent under self to the solicited message of channel;
The CDN node-agent is used for the user terminal that is obtained is added up the solicited message of channel, and statistics is reported the CDN node manager;
The CDN node manager is used for adjusting according to the channel on the said statistics convection media server.
7. system according to claim 6 is characterized in that, said CDN node manager also is used for,
When definite request number of times to certain channel reaches setting threshold, for each streaming media server is created said channel;
And/or, when definite requesting users terminal quantity to certain channel reaches setting threshold, for each streaming media server is created said channel;
And/or, when confirming that request number of times to certain channel is lower than setting threshold, on a streaming media server of said CDN node-agent, keep said channel, delete the said channel on other streaming media servers of said CDN node-agent.
8. system according to claim 7; It is characterized in that; Said CDN node manager also is used for sending the channel creation request through the CDN node-agent to streaming media server, and said streaming media server also is used for, and creates the channel to be created of appointment in the channel creation request that is received;
And/or said CDN node manager also is used for, and sends channel deletion request through the CDN node-agent to streaming media server, and said streaming media server also is used for, the channel to be deleted of appointment in the channel deletion request that deletion is received.
9. system according to claim 6; It is characterized in that; Said CDN node-agent also is used for, and when definite quantity that inserts the user terminal of certain streaming media server reached setting threshold, the user terminal that request is afterwards inserted was linked into other streaming media servers.
10. according to each described system of claim 6 to 9, it is characterized in that said solicited message to channel comprises that channel identication, request number of times, requesting users terminal quantity, request insert lasting duration, the flow of channel.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811349A (en) * | 2015-03-26 | 2015-07-29 | 浪潮集团有限公司 | Method and device of access statistics |
| CN108206847A (en) * | 2016-12-19 | 2018-06-26 | 腾讯科技（深圳）有限公司 | CDN management system, method and device |
| CN110049350A (en) * | 2019-04-15 | 2019-07-23 | 深圳壹账通智能科技有限公司 | Video code conversion processing method, device, computer equipment and storage medium |
| CN110891183A (en) * | 2018-09-11 | 2020-03-17 | 中兴通讯股份有限公司 | Channel sharing method, device and computer readable storage medium |
| CN111131864A (en) * | 2019-12-31 | 2020-05-08 | 聚好看科技股份有限公司 | Data transmission method, device and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5675732A (en) * | 1995-05-08 | 1997-10-07 | Lucent Technologies Inc. | Dynamic channel assignment for TCP/IP data transmitted via cable television channels by managing the channels as a single sub network |
| US20020129368A1 (en) * | 2001-01-11 | 2002-09-12 | Schlack John A. | Profiling and identification of television viewers |
| CN1713720A (en) * | 2005-07-21 | 2005-12-28 | 上海交通大学 | Television channel delivering method of network based on channel switch and rating |
| CN1949851A (en) * | 2005-10-14 | 2007-04-18 | 鸿富锦精密工业（深圳）有限公司 | Channel set system and method |
| CN101198018A (en) * | 2007-12-29 | 2008-06-11 | 腾讯科技（深圳）有限公司 | Method for implementing television advertisement service and advertisement server |
-
2011
- 2011-12-30 CN CN2011104562678A patent/CN102572530A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5675732A (en) * | 1995-05-08 | 1997-10-07 | Lucent Technologies Inc. | Dynamic channel assignment for TCP/IP data transmitted via cable television channels by managing the channels as a single sub network |
| US20020129368A1 (en) * | 2001-01-11 | 2002-09-12 | Schlack John A. | Profiling and identification of television viewers |
| CN1713720A (en) * | 2005-07-21 | 2005-12-28 | 上海交通大学 | Television channel delivering method of network based on channel switch and rating |
| CN1949851A (en) * | 2005-10-14 | 2007-04-18 | 鸿富锦精密工业（深圳）有限公司 | Channel set system and method |
| CN101198018A (en) * | 2007-12-29 | 2008-06-11 | 腾讯科技（深圳）有限公司 | Method for implementing television advertisement service and advertisement server |
Non-Patent Citations (1)
| Title |
|---|
| 郑海洋，等: "分布式视频点播网络统计调度策略及负载均衡研究", 《计算机工程与应用》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811349A (en) * | 2015-03-26 | 2015-07-29 | 浪潮集团有限公司 | Method and device of access statistics |
| CN108206847A (en) * | 2016-12-19 | 2018-06-26 | 腾讯科技（深圳）有限公司 | CDN management system, method and device |
| WO2018113514A1 (en) * | 2016-12-19 | 2018-06-28 | 腾讯科技（深圳）有限公司 | Cdn management system, method and apparatus |
| CN108206847B (en) * | 2016-12-19 | 2020-09-04 | 腾讯科技（深圳）有限公司 | CDN management system, method and device |
| US10812597B2 (en) | 2016-12-19 | 2020-10-20 | Tencent Technology (Shenzhen) Company Limited | Content delivery network (CDN) management system, method, and apparatus |
| CN110891183A (en) * | 2018-09-11 | 2020-03-17 | 中兴通讯股份有限公司 | Channel sharing method, device and computer readable storage medium |
| CN110049350A (en) * | 2019-04-15 | 2019-07-23 | 深圳壹账通智能科技有限公司 | Video code conversion processing method, device, computer equipment and storage medium |
| CN111131864A (en) * | 2019-12-31 | 2020-05-08 | 聚好看科技股份有限公司 | Data transmission method, device and system |
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Application publication date: 20120711 |