CN101291425A - Method and system realizing content dynamically publishing based on hotness of user's demand - Google Patents
Method and system realizing content dynamically publishing based on hotness of user's demand Download PDFInfo
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- CN101291425A CN101291425A CNA2008101108982A CN200810110898A CN101291425A CN 101291425 A CN101291425 A CN 101291425A CN A2008101108982 A CNA2008101108982 A CN A2008101108982A CN 200810110898 A CN200810110898 A CN 200810110898A CN 101291425 A CN101291425 A CN 101291425A
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Abstract
The invention discloses a method and a system for realizing dynamic publication of content according to VOD (Video-On-Demand) heat degree of users, wherein the method comprises the following steps that: a plurality of nodes of a content distribution network respectively record and store programs in a specified time period according to preset strategy, and display the recorded programs to all users; when a program ordered by some user is not at the present node, the node where the program is stored actually is acquired through inquiry, and VOD is carried out through the node actually storing the program. The system comprises a plurality of nodes of the content distribution network and a media control center. Through the method and the system of the invention, identical content does not need to be recorded at all content distribution nodes; a download command is initiated only if the number of access users exceeds a threshold value. On the one hand, the storage space of the system is greatly saved, and on the other hand, the load of the system is balanced without affecting the access time delay of users and the processing efficiency of the system.
Description
Technical field
The present invention relates to content of multimedia storage and distribution field, relate in particular to a kind of method and system that realize the dynamic issue of content according to user's program request temperature.
Background technology
At present, in Distributed C DN (content delivery network) system, all media contents need all be stored or record on all CDN nodes, can cause a large amount of unnecessary wastes of whole system memory space like this; But,, might all cause a large amount of tandem requests during the same file of program request at a large number of users again, thereby system handles efficient is constituted a threat to if on each node, all do not store all media contents.
Summary of the invention
In view of above-mentioned analysis, the object of the present invention is to provide a kind of method and system of dynamically issuing according to user's program request temperature realization content, need on all the elements distribution networks node, store or record the problem of same program content in order to solve all media contents that exist in the prior art.
Purpose of the present invention mainly is achieved through the following technical solutions:
The invention provides a kind of method of dynamically issuing according to user's program request temperature realization content, described method comprises:
Steps A: a plurality of nodes of content delivery network record and store the program of fixed time section respectively according to predetermined policy, and recorded program is showed all users;
Step B: during not at this node, inquiry obtains the node of this program actual storage, and carries out program request by the node of described actual storage as the program of user's program request.
Further, described method also comprises:
Step C: when the number of users that does not carry out program request at the program of this node is surpassed predetermined threshold, this program is downloaded to the user place node of described this program of program request from its place node.
Further, described method also comprises:
The address of upgrading this program is the user place node of this program of program request, when this program of user's program request is arranged under this node, then notifies this user to carry out program request from this node.
Further, described steps A specifically comprises:
Medium control centre sends to zero-time, concluding time and the program source address of program recording according to predetermined policy the respective nodes of content delivery network;
Described node is according to zero-time, concluding time and the program source address program recording of program recording, and the recording state of regularly going up announce items is given described medium control centre;
Described medium control centre issues recorded program on all nodes of content delivery network.
Further, described step B specifically comprises:
As the program of user's program request during not at this node, described node initiated query requests to described medium control centre;
Described medium control centre is inquired about according to the query requests of receiving, and sends the programme content address list of this program request;
Described node selected the node of this program actual storage from the programme content address list of this program request, play this program by the actual storage node of its selection and give the some broadcasting user.
Further, described step C specifically comprises:
When the program of user's program request was play by the node of actual storage, the node of this actual storage was given medium control centre with the advisory of this program of user's program request;
When medium control centre finds after the number of users of this program of program request on this actual storage node has surpassed predetermined threshold, notify the user place node of this program of program request to download this program;
The user place node of this program of program request is downloaded this programme content from this actual storage node, and regularly gives medium control centre with the status report of downloading.
The present invention also provides a kind of and has realized the dynamically system of issue of content according to user's program request temperature, and described system comprises: a plurality of nodes of content delivery network and medium control centre, wherein,
The node of described content delivery network is used for recording and storing according to predetermined policy the program of fixed time section, and when the program that defines user's program request is not on this node, sends query requests to described medium control centre;
Described medium control centre is used for the query requests according to the node of described content delivery network, and the actual storage node that inquiry obtains the program of this program request carries out program request by this actual storage node.
Further, described medium control centre also is used for program request is not carried out statistical analysis at the number of users of the program of this node, and when the number of users of this program of program request surpasses predetermined threshold, notify the user place node of described this program of program request to this actual storage node, to download the programme content of this program request to this node.
Further, the node of described content delivery network specifically comprises: recording elements, state report unit and decision request unit, wherein,
Described recording elements is used for carrying out program recording according to zero-time, concluding time and the program source address of the given program recording of described media distribution center;
Described state reports the unit, is used for regularly recording state with recording elements and reports to described medium control centre, and notify described medium control centre when finishing recording;
Described decision request unit, the program that is used in judgement user's program request being arranged be on this node the time, sends query requests to described medium control centre.
Further, described medium control centre specifically comprises: release unit and query unit, wherein,
Described release unit, be used for receive that described state reports that the unit sends record end notification after, this recorded program is published in a plurality of nodes of content delivery network;
Described query unit, be used for inquiring about according to the query requests of receiving from described decision request unit, and the programme content address list that sends this program request that inquires is chosen an actual storage node by this node and is carried out program request to the node that sends query requests from the programme content address list of this program request.
Beneficial effect of the present invention is as follows: by adopting the described method and system of the embodiment of the invention, need all not record identical content on all content distribution nodes; And only when the calling party number surpasses threshold values, just initiate download command, saved the memory space of system on the one hand greatly; Yet balanced on the other hand system load can not have influence on the treatment effeciency of user's access time delay and system yet.
Other features and advantages of the present invention will be set forth in the following description, and becoming apparent from specification of part perhaps understood by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Fig. 1 is the schematic flow sheet of the described method of the embodiment of the invention;
Fig. 2 is the structural representation of the described system of the embodiment of the invention.
Embodiment
Main contents of the present invention comprise: a plurality of nodes of content delivery network record and store the program of fixed time section respectively according to predetermined policy, and recorded program is showed all users; During not at this node, inquiry obtains the node of the program actual storage of this program request, and carries out program request by the node of described actual storage as the program of user's program request; When the above-mentioned number of users that does not carry out program request at the program of this node is surpassed predetermined threshold, this program is downloaded to described some broadcasting user place node from its place node.
Specifically describe preferential embodiment of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used from explaination principle of the present invention with embodiments of the invention one.
1 pair of described method of the embodiment of the invention is described in detail at first in conjunction with the accompanying drawings.
As shown in Figure 1, Fig. 1 is the schematic flow sheet of the described method of the embodiment of the invention, includes two nodes in the setting content distribution networks: CDN NODE (content delivery network node) A and CDN NODE B, and described method specifically can may further comprise the steps:
Step 101:MCC (medium control centre) sends the program recording instruction to CDNNODE A, and order parameter comprises at least: record zero-time, concluding time, program source address;
Step 102:CDN NODE A is according to the requirement of the program recording received instruction, records and store program in the fixed time section according to predetermined policy, and the recording state of regularly going up announce items is given MCC; Described predetermined policy can the staff be formulated according to different situations, such as comprising: specify which CDNNODE to record which programme content etc.;
Step 103:CDN NODE A records notice MCC when finishing;
Step 104:MCC will issue by EPG (electronic program list) server A at CDN NODE A recorded program;
Step 105: with step 104 simultaneously, MCC will issue by the EPG server B at CDN NODE A recorded program, like this, the usefulness of all nodes under the MCC is available per family sees this recorded program;
User under the step 106:CDN NODE B is by this recorded program of STB (set-top box) B program request;
Step 107:STB B is to the program of CDN NODE B inquiring user program request;
Step 108:CDN NODE B does not belong to this node through the programme content of finding this user's program request behind the discriminatory analysis, then initiates the request of this programme content address list of inquiry to MCC;
Step 109:MCC returns to CDN NODE B with the address list L that inquires;
User under the step 110:CDN NODE B selects CDN NODE A from address list L, initiate the request for content information of program under this node of inquiry then to CDNNODEA; Owing to only relate to two nodes in the embodiment of the invention, so when comprising a plurality of node in the CDN network, MCC returns among the address list L of CDNNODE B may comprise a plurality of CDN NODE address, needs this moment the user under the CDN NODEB to select one from address list L and gets final product;
Step 111:CDN NODE A returns to CDN NODE B with program content information;
Step 112:CDN NODE B initiates a playing request to CDN NODE A;
Step 113:CDN NODE A sends to CDN NODE B and plays success message;
STB B under the step 114:CDN NODE B is to affiliated EPG server B report program request success message;
The EPG server B at step 115:CDN NODE party B-subscriber place is to MCC report user IP Information On Demand;
Step 116: after MCC finds that the number of users of this program on the program request CDN NODE A on the CDN NODE B has surpassed predetermined threshold, initiate a content download request to CDN NODE B;
Step 117:CDN NODE B receives the content download request of MCC, begins to download this programme content from CDN NODE A;
Step 118:CDN NODE B regularly reports the state of downloading task to MCC;
After step 119:CDN NODE B downloaded and finishes, notice MCC program was downloaded and is finished;
When if CDN NODE B this moment finds that the user under this node has this programme content of program request, then notify the programme content of this node of user's program request storage;
Step 120:MCC upgrades the EPG server B at user B place, and the program of fixed time section exists in CDN NODE B, and the user under the CDN NODE B gets final product from this program of local ordering.
2 pairs of described systems of the embodiment of the invention are elaborated below in conjunction with accompanying drawing.
As shown in Figure 2, Fig. 2 is the structural representation of the described system of inventive embodiments, for convenience of explanation, herein based on said method, then described system specifically can comprise: a plurality of nodes of MCC, content delivery network, and wherein, the node of described content delivery network specifically comprises: recording elements, state report unit and request unit, described medium control centre specifically comprises: release unit and query unit specify below.
Recording elements carries out program recording according to zero-time, concluding time and the program source address of the given program recording of predetermined described media distribution center, state reports the unit regularly the recording state of described recording elements to be reported to described medium control centre, and is recording the release unit of notifying described medium control centre when finishing; Release unit receive that described state reports that the unit sends record end notification after, this recorded program is published in a plurality of nodes of content delivery network, all users of content delivery network can see this recorded program like this, and can carry out program request to this recorded program;
During by this recorded program of this node program request, request unit is inquired about on this node as the user of node, when the program of determining this user's program request is not on this node, sends the query unit of query requests to described medium control centre; Query unit is inquired about according to the query requests of receiving from the described request unit, and the programme content address list of this program request that will inquire is given the node that sends query requests, from the programme content address list of this program request, select the actual storage node of this program by this node, have this actual storage node to carry out program request.
And medium control centre does not also carry out statistical analysis at the number of users of the program of this node to program request, when the number of users of this program of program request surpassed a predetermined threshold, the user place node of notifying described this program of program request was downloaded the programme content of this program request to this actual storage node; When if the user place node of this program of program request this moment finds to have again under this node the user to broadcast this recorded program a little, then notify the programme content of this this node of user's program request storage to get final product.
For the specific implementation process of the described system of the embodiment of the invention,, repeat no more owing to elaborate in the said method herein.
In sum, the embodiment of the invention provides a kind of and has realized the dynamically method and system of issue of content according to user's program request temperature, by adopting the described method and system of the embodiment of the invention, need all not record identical content on all content distribution nodes; Only when the calling party number surpasses threshold values, just initiate download command, saved the memory space of system on the one hand greatly; Also balanced on the other hand system load, and can not have influence on the treatment effeciency of user's access time delay and system.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (10)
1, a kind of method of dynamically issuing according to user's program request temperature realization content is characterized in that described method comprises:
Steps A: a plurality of nodes of content delivery network record and store the program of fixed time section respectively according to predetermined policy, and recorded program is showed all users;
Step B: during not at this node, inquiry obtains the node of this program actual storage, and carries out program request by the node of described actual storage as the program of user's program request.
2, method according to claim 1 is characterized in that, described method also comprises:
Step C: when the number of users that does not carry out program request at the program of this node is surpassed predetermined threshold, this program is downloaded to the user place node of described this program of program request from its place node.
3, method according to claim 2 is characterized in that, described method also comprises:
The address of upgrading this program is the user place node of this program of program request, when this program of user's program request is arranged under this node, then notifies this user to carry out program request from this node.
4, according to any described method in the claim 1 to 3, it is characterized in that described steps A specifically comprises:
Medium control centre sends to zero-time, concluding time and the program source address of program recording according to predetermined policy the respective nodes of content delivery network;
Described node carries out program recording according to zero-time, concluding time and the program source address of program recording, and the recording state of regularly going up announce items is given described medium control centre;
Record finish after, described medium control centre issues recorded program on all nodes of content delivery network.
5, according to any described method in the claim 1 to 3, it is characterized in that described step B specifically comprises:
As the program of user's program request during not at this node, described node initiated query requests to described medium control centre;
Described medium control centre is inquired about according to the query requests of receiving, and sends the programme content address list of this program request;
Described node selected the node of this program actual storage from the programme content address list of this program request, play this program by the actual storage node of its selection and give the some broadcasting user.
6, according to claim 2 or 3 described methods, it is characterized in that described step C specifically comprises:
When the program of user's program request was play by the node of actual storage, the node of this actual storage was given medium control centre with the advisory of the program of user's program request;
When medium control centre finds after the number of users of this program of program request on this actual storage node has surpassed predetermined threshold, notify the user place node of this program of program request to download this program;
The user place node of this program of program request is downloaded this programme content from this actual storage node, and regularly gives medium control centre with the status report of downloading.
7, a kind of system that dynamically issues according to user's program request temperature realization content is characterized in that described system comprises: a plurality of nodes of content delivery network and medium control centre, wherein,
The node of described content delivery network is used for recording and storing according to predetermined policy the program of fixed time section, and when the program that defines user's program request is not on this node, sends query requests to described medium control centre;
Described medium control centre is used for the query requests according to the node of described content delivery network, and the actual storage node that inquiry obtains the program of this program request carries out program request by this actual storage node.
8, system according to claim 7, it is characterized in that, described medium control centre also is used for program request is not carried out statistical analysis at the number of users of the program of this node, and when the number of users of this program of program request surpasses predetermined threshold, notify the user place node of described this program of program request to this actual storage node, to download the programme content of this program request to this node.
9, according to claim 7 or 8 described systems, it is characterized in that the node of described content delivery network specifically comprises: recording elements, state report unit and decision request unit, wherein,
Described recording elements is used for carrying out program recording according to zero-time, concluding time and the program source address of the given program recording of described media distribution center;
Described state reports the unit, is used for regularly recording state with recording elements and reports to described medium control centre, and notify described medium control centre when finishing recording;
Described decision request unit, the program that is used in judgement user's program request being arranged be on this node the time, sends query requests to described medium control centre.
10, system according to claim 9 is characterized in that, described medium control centre specifically comprises: release unit and query unit, wherein,
Described release unit, be used for receive that described state reports that the unit sends record end notification after, this recorded program is published in a plurality of nodes of content delivery network;
Described query unit, be used for inquiring about according to the query requests of receiving from described decision request unit, and the programme content address list that sends this program request that inquires is chosen an actual storage node by this node and is carried out program request to the node that sends query requests from the programme content address list of this program request.
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| WO2010124550A1 (en) * | 2009-04-30 | 2010-11-04 | 华为技术有限公司 | Content delivery method and device and content delivery network system |
| CN102137087A (en) * | 2010-09-15 | 2011-07-27 | 华为技术有限公司 | Service processing method, method for adjusting delivery content and service nodes |
| WO2011110010A1 (en) * | 2010-09-01 | 2011-09-15 | 华为技术有限公司 | Method, apparatus and communication system for transmitting contents |
| CN102316362A (en) * | 2011-09-06 | 2012-01-11 | 中兴通讯股份有限公司 | Internet protocol television (IPTV) content scheduling method and apparatus thereof |
| CN102413364A (en) * | 2011-11-23 | 2012-04-11 | 中兴通讯股份有限公司 | Sitcom recording method and system based on NPVR (Network Personal Video Recorder) in IPTV (Interactive Personality Television) system |
| CN103179440A (en) * | 2013-03-12 | 2013-06-26 | 南京工业大学 | Value-added business time-shifted television system for 3G users |
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| WO2016106557A1 (en) * | 2014-12-30 | 2016-07-07 | 上海贝尔股份有限公司 | Method and apparatus for sending video |
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| CN102326367A (en) * | 2010-09-01 | 2012-01-18 | 华为技术有限公司 | Method, apparatus and communication system for transmitting contents |
| CN102137087B (en) * | 2010-09-15 | 2014-04-02 | 华为技术有限公司 | Service processing method, method for adjusting delivery content and service nodes |
| CN102137087A (en) * | 2010-09-15 | 2011-07-27 | 华为技术有限公司 | Service processing method, method for adjusting delivery content and service nodes |
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| WO2016155256A1 (en) * | 2015-04-03 | 2016-10-06 | 中兴通讯股份有限公司 | Method and system for controlling program recording, and management server and hotness counting server |
| CN106162218B (en) * | 2015-04-03 | 2020-11-06 | 中兴通讯股份有限公司 | Program recording control method, system and management and popularity statistical server |
| CN105245598B (en) * | 2015-10-14 | 2018-07-13 | 中国联合网络通信集团有限公司 | A kind of method and device of content storage |
| CN105684450A (en) * | 2016-01-08 | 2016-06-15 | 王晓光 | Video network storage management method and system |
| CN106385588A (en) * | 2016-09-23 | 2017-02-08 | 北京赢点科技有限公司 | On-demand playing popularity-based resource scheduling method and device |
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