CN104284201A - Video content processing method and device - Google Patents
Video content processing method and device Download PDFInfo
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- CN104284201A CN104284201A CN201410504955.0A CN201410504955A CN104284201A CN 104284201 A CN104284201 A CN 104284201A CN 201410504955 A CN201410504955 A CN 201410504955A CN 104284201 A CN104284201 A CN 104284201A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2181—Source of audio or video content, e.g. local disk arrays comprising remotely distributed storage units, e.g. when movies are replicated over a plurality of video servers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21815—Source of audio or video content, e.g. local disk arrays comprising local storage units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23113—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving housekeeping operations for stored content, e.g. prioritizing content for deletion because of storage space restrictions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26216—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth
Abstract
The embodiment of the invention provides a video content synchronizing method and device, a video content retrieval method and device, and a video content storage system. The video content synchronizing method comprises the steps of determining popularity information of video content to be synchronized and synchronizing the video content to be synchronized according to the popularity information. According to the step of synchronizing the video content to be synchronized according to the popularity information, the video content with the popularity information meeting preset big hot video conditions is synchronized to an edge cache node, a global cache server node, a second-level global storage server and a first-level global storage server. Through the video content processing method and device, the video content retrieval method and device, and the video content storage system, the storage space of the edge cache node can be saved, and access delay for users is reduced.
Description
Technical field
The present invention relates to internet information processing technology field, particularly relate to a kind of synchronous method and device, a kind of time source method and apparatus of video content and a kind of storage system of video content of video content.
Background technology
CDN (content distributing network, Content Delivery Network) is a kind of by placing one deck intelligent virtual network on existing Internet basic that node server is formed everywhere at network.The object of CDN the request of user is redirected to from the nearest service node of user, makes user can obtain required content nearby, can solve the situation of network congestion, and improve the response speed of user's access websites.
In existing CDN, the mode mainly through " pushing away " or " drawing " carries out contents distribution.
Wherein, be that content supplier is responsible for providing content to CDN based on " pushing away " mode main thought, push content in the middle of network, very large flexibility can be provided to the use of CDN; Which content content supplier can specify need to push, and only pushing when having new content and content to change, can ensure that transport overhead is tried one's best little.But carrying out contents distribution based on " pushing away " mode needs predictive content access situation before distribution, realizes difficulty larger.
Main thought based on " drawing " mode be user ask in network content time, user is redirected on edge caching nodes nearest with it, if this node do not preserve user request content, then this node from other node obtain user request content.This method is driven distribution of content by user behavior, is easy to realize.But carry out contents distribution based on " drawing " mode and can increase user's access time delay, transport overhead is difficult to control.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of synchronous method and device, a kind of time source method and apparatus of video content and a kind of storage system of video content of video content, the memory space of edge caching nodes can be saved, reduce the delay of user's access.
In order to solve the problem, the invention discloses a kind of synchronous method of video content, comprising:
Determine the popularity information of video content to be synchronized;
The synchronous of described video content to be synchronized is carried out according to described popularity information;
Wherein, described synchronous step of carrying out described video content to be synchronized according to described popularity information, comprising:
Popularity information is met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server.
Preferably, described synchronous step of carrying out described video content to be synchronized according to described popularity information, also comprises:
Popularity information is met the preset video content compared with thermovision frequency condition and be synchronized to the edge caching nodes, global buffer server node, secondary overall situation storage server and the one-level overall situation storage server that meet preset network performance condition.
Preferably, described synchronous step of carrying out described video content to be synchronized according to described popularity information, also comprises:
Video content popularity information being met preset colder video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
Preferably, described synchronous step of carrying out described video content to be synchronized according to described popularity information, also comprises:
Video content popularity information being met preset unexpected winner video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
Preferably, described method also comprises:
Add up the user accesses data of synchronization video content;
According to the user accesses data of the described content of synchronization video, recalculate the popularity information of synchronization video;
When the popularity information recalculated meets preset popularity condition, second synchronization is carried out to corresponding synchronization video content.
On the other hand, the invention also discloses a kind of storage system of video content, comprising: edge caching nodes and content distributing network CDN storage server; Wherein,
Described edge caching nodes, meets the video content setting high thermovision frequency condition in advance for stores synchronized popularity information, and, when network performance condition meets preset network performance condition, store the preset video content compared with thermovision frequency condition of popularity information conforms;
Described CDN storage server comprises:
Global buffer server node, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition frequently in advance;
Secondary overall situation storage server, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition, preset colder video condition and preset unexpected winner video condition frequently in advance;
One-level overall situation storage server, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition, preset colder video condition and preset unexpected winner video condition frequently in advance.
Another aspect, what the invention also discloses a kind of video content returns source side method, comprising:
The access request of user is dispatched to nearest edge caching nodes, and described edge caching nodes is preserved popularity information and is met the video content setting high thermovision frequency condition in advance;
When described edge caching nodes does not exist video content corresponding to described access request, send it back source request to pre-configured higher level CDN storage server side;
Receive the video content that described server returns according to described time source request, described video content is saved to described edge caching nodes and is supplied to user.
Again on the one hand, what the invention also discloses a kind of video content returns source side method, comprising:
Receive time source request that edge caching nodes sends;
The video content of user's request whether is there is according to described time source requesting query global buffer server node;
When described global buffer server node does not exist video content corresponding to described access request, whether inquiry secondary overall situation storage server exists video content corresponding to described access request;
The video content of described user's request inquiry obtained is back to described global buffer server node and edge caching nodes successively.
Preferably, described method also comprises:
When described secondary overall situation storage server does not exist video content corresponding to described access request, whether inquiry one-level overall situation storage server exists video content corresponding to described access request.
Again on the one hand, the invention also discloses a kind of synchronizer of video content, comprising:
Popularity acquisition module, for determining the popularity information of video content to be synchronized;
Synchronization module, for carrying out the synchronous of described video content to be synchronized according to described popularity information;
Wherein, described synchronization module comprises:
First synchronous submodule, is synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server for popularity information being met the video content setting high thermovision frequency condition in advance.
Preferably, described synchronization module also comprises:
Second synchronous submodule, is synchronized to for popularity information being met the preset video content compared with thermovision frequency condition the edge caching nodes, global buffer server node, secondary overall situation storage server and the one-level overall situation storage server that meet preset network performance condition.
Preferably, described synchronization module also comprises:
3rd synchronous submodule, the video content for popularity information being met preset colder video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
Preferably, described synchronization module also comprises:
4th synchronous submodule, the video content for popularity information being met preset unexpected winner video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
Preferably, described device also comprises:
Statistical module, for adding up the user accesses data of synchronization video content;
Popularity update module, for the user accesses data according to the described content of synchronization video, recalculates the popularity information of synchronization video;
Synchronized update module, during for meeting preset popularity condition when the popularity information recalculated, carries out second synchronization to corresponding synchronization video content.
Again on the one hand, what the invention also discloses a kind of video content returns source apparatus, and described device is positioned at edge caching nodes side, comprising:
Scheduler module, for the access request of user is dispatched to nearest edge caching nodes, described edge caching nodes is preserved popularity information and is met the video content setting high thermovision frequency condition in advance;
Return source request module, during for there is not video content corresponding to described access request when described edge caching nodes, send it back source request to pre-configured higher level CDN storage server side;
Content receiver module, for receiving the video content that described server returns according to described time source request, being saved to described edge caching nodes by described video content and being supplied to user.
Again on the one hand, what the invention also discloses a kind of video content returns source apparatus, and described device is positioned at CDN storage server side, comprising:
Return source receiver module, for receiving time source request that edge caching nodes sends;
Whether the first enquiry module, for existing the video content of user's request according to described time source requesting query global buffer server node;
Second enquiry module, during for there is not video content corresponding to described access request when described global buffer server node, whether inquiry secondary overall situation storage server exists video content corresponding to described access request;
Content returns module, and the video content for described user's request inquiry obtained is back to described global buffer server node and edge caching nodes successively.
Preferably, described device also comprises:
3rd enquiry module, during for there is not video content corresponding to described access request when described secondary overall situation storage server, whether inquiry one-level overall situation storage server exists video content corresponding to described access request.
Compared with prior art, the embodiment of the present invention comprises following advantage:
The present invention carries out the synchronous of video content according to the popularity information of video content, particularly, popularity information is met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server; Because edge caching nodes only preserves the video content meeting and set high thermovision frequency condition in advance, namely current most popular video content, and the full content of website need not be preserved, save the memory space of edge caching nodes; In addition, most popular video content can embody the demand of most of user, therefore, when user accesses, edge caching nodes can meet the access request of most of user, therefore can also improve the hit rate of user's access, thus reduce the number of times removing CDN storage server side Hui Yuan, reduce the delay of user's access.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the synchronous method embodiment one of a kind of video content of the present invention;
Fig. 2 is the flow chart of steps of the synchronous method embodiment two of a kind of video content of the present invention;
Fig. 3 is the flow chart of steps of returning source embodiment of the method four of a kind of video content of the present invention;
Fig. 4 is the flow chart of steps of returning source embodiment of the method five of a kind of video content of the present invention;
Fig. 5 is the structured flowchart of the storage system of a kind of video content of the present invention;
Fig. 6 is the structured flowchart of the synchronizer of a kind of video content of the present invention;
Fig. 7 is the structured flowchart returning source apparatus of a kind of video content of the present invention;
Fig. 8 is the structured flowchart returning source apparatus of a kind of video content of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
One of core idea of the embodiment of the present invention is, the synchronous of video content is carried out according to the popularity information of video content in CDN, particularly, popularity information is met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server; Because edge caching nodes only preserves the video content meeting and set high thermovision frequency condition in advance, namely current most popular video content, and the full content of website need not be preserved, save the memory space of edge caching nodes; In addition, most popular video content can embody the demand of most of user, therefore, when user accesses, edge caching nodes can meet the access request of most of user, therefore can also improve the hit rate of user's access, thus reduce the number of times removing CDN storage server side Hui Yuan, reduce the delay of user's access.
Embodiment of the method one
With reference to Fig. 1, show the flow chart of steps of the synchronous method embodiment one of a kind of video content of the present invention, specifically can comprise the steps:
Step 101, determine the popularity information of video content to be synchronized;
In actual applications, video content to be synchronized can derive from production system.Add the video content of production system new production in CDN after, to the edge caching nodes of CDN and/or the synchronous current video content of CDN storage server, before the synchronization, can first can determine the popularity information of video content to be synchronized.Described popularity information can be that production system judges the popularity that video content is made according to investigation and assessment in advance, such as carry out investigation and assessment according to information such as the demand of Vehicles Collected from Market, the hobbies of user, popularity is divided into high hot, hotter, colder, unexpected winner four grades, each grade is provided with corresponding popularity proportion threshold value, such as, popularity is sorted from high to low, arrange front 10% for high heat, 11%-20% is hotter, 21%-70% is colder, and 71-100%'s is unexpected winner.
Step 102, carry out the synchronous of described video content to be synchronized according to described popularity information;
Wherein, described synchronous step of carrying out described video content to be synchronized according to described popularity information, specifically can comprise:
Popularity information is met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server.
The video content storage system that the embodiment of the present invention is applied specifically can comprise following memory device: one-level overall situation storage server, the secondary overall situation storage server, global buffer server node and edge caching nodes.Particularly, global buffer server node and secondary overall situation storage server can be configured in same machine room, the distance of Hui Yuan can be reduced like this.
When newly adding video content, first the video content newly added can be saved to one-level overall situation storage server, then be synchronized to secondary overall situation storage server by one-level overall situation storage server; Wherein, one-level overall situation storage server as source station server, can preserve the full content of website, and secondary overall situation storage server can as the backup of one-level overall situation storage server content.After this, according to the current popularity information adding video content, described video content is carried out synchronously.
Particularly, popularity information can be met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server.
In concrete enforcement, video to be synchronized can be sorted according to popularity, the video popularity information of front 10% is set for setting high thermovision condition frequently in advance, and is synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server.Like this, edge caching nodes only preserves the video content that popularity information is high heat, and need not preserve the full content of website, saves the memory space of edge caching nodes; In addition, most popular video content can embody the demand of most of user, and therefore, when user accesses, edge caching nodes can meet the request of most of user, improves the hit rate of user's access, thus reduces back source number of times, reduces the delay of user's access.
In a kind of embodiment of the present invention, popularity information can also be met the preset video content compared with thermovision frequency condition and be synchronized to the edge caching nodes, global buffer server node, secondary overall situation storage server and the one-level overall situation storage server that meet preset network performance condition.Wherein, the video popularity information that can arrange popularity rankings 10%-20% is preset comparatively thermovision condition frequently; The edge caching nodes meeting preset network performance condition for the edge caching nodes that in current network, load is less, state is more idle, these edge caching nodes can be preserved Gao Re and hotter video content, improves hit rate when user accesses.
In another kind of embodiment of the present invention, the video content that popularity information can also be met preset colder video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.Wherein, the video popularity information that can arrange popularity rankings 20%-70% is preset colder video condition.Like this, when on edge caching nodes, high heat and hotter video content cannot meet the request of user, the video content of user's request first whether is there is from the inquiry of global buffer server node, if do not have, inquire about secondary overall situation storage server again, instead of directly to source station server, namely one-level overall situation storage server requests returns source video content, can alleviate the access burden of source station server.
In another embodiment of the present invention, the video content that popularity information can also be met preset unexpected winner video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.Wherein, after can arranging popularity rankings, the video popularity information of 30% is preset unexpected winner video condition.Like this, when global buffer server node also cannot meet the request of user, the video content of user's request whether is there is again from the inquiry of secondary overall situation storage server, carry out back source request step by step, source station server can be alleviated, the i.e. access burden of one-level overall situation storage server, in addition, edge caching nodes and global buffer server node need not preserve the video content compared with cold-peace unexpected winner, therefore, can network traffics be shared, also mitigate the load pressure of edge caching nodes and global buffer server node.
Embodiment of the method two
With reference to Fig. 2, show the flow chart of steps of the synchronous method embodiment two of a kind of video content of the present invention, specifically can comprise the steps:
Step 201, determine the popularity information of video content to be synchronized;
Step 202, carry out the synchronous of described video content to be synchronized according to described popularity information;
Wherein, described synchronous step of carrying out described video content to be synchronized according to described popularity information, specifically can comprise:
Popularity information is met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server;
In a particular application, user can the content of synchronization video of priority access edge caching nodes, when the video content of user's request access does not exist, on the edge caching nodes that content Hui Yuan user asked by the mode of Hui Yuan is distributed to user, but when user asks more, above-mentioned time source operation can be more frequent, takies more Internet resources.
Therefore, relative to embodiment of the method one, in embodiments of the present invention, following steps are added:
Step 203, add up the user accesses data of synchronization video content; According to the user accesses data of the described content of synchronization video, recalculate the popularity information of synchronization video; When the popularity information recalculated meets preset popularity condition, second synchronization is carried out to corresponding synchronization video content.
Wherein, the user accesses data of periodic statistical synchronization video content, can by when the video content that edge caching nodes stores be accessed by the user, and the access value recording this video content realizes; If edge caching nodes do not exist the video content of user's request, then video content Hui Yuan is preserved to edge caching nodes, increase the access value of correspondence simultaneously; Recalculate the popularity information of video according to the access value of video content, when the popularity information recalculated meets preset popularity condition, second synchronization is carried out to corresponding synchronization video content.The video content second synchronization in a network meeting preset popularity condition will be met, make edge caching nodes always to be preserved the video content can met consumers' demand, when user accesses, the hit rate of user's access can be improved, thus reduce back source number of times, reduce the delay of user's access.
Embodiment of the method three
Present embodiments provide the concrete example of the synchronous method of a kind of video content of the present invention, specifically can comprise the steps:
Step S1, determine the popularity information of video content to be synchronized;
The video of newborn for generation system output is saved to one-level overall situation storage server, is then synchronized to secondary overall situation storage server by one-level overall situation storage server, after this, determines the popularity information of these video contents to be synchronized newly added.Such as, table 1 shows the example of popularity information corresponding to a kind of video content to be synchronized of the embodiment of the present invention.
Table 1
| Video ID | Popularity information | Popularity proportion threshold value |
| 001 | High heat | 10％ |
| 002 | Hotter | 11％-20％ |
| 003 | Colder | 21％-70％ |
| 004 | Unexpected winner | Other |
Step S2, carry out the synchronous of described video content to be synchronized according to described popularity information;
Wherein, described synchronous step of carrying out described video content to be synchronized according to described popularity information, specifically can comprise:
Popularity information is met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server;
Popularity information is met the preset video content compared with thermovision frequency condition and be synchronized to the edge caching nodes, global buffer server node, secondary overall situation storage server and the one-level overall situation storage server that meet preset network performance condition;
Video content popularity information being met preset colder video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server;
Video content popularity information being met preset unexpected winner video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server;
Such as, in the specific implementation, can define A-E 5 machine rooms and belong to the first area, F-K6 machine room belongs to the second area.The popularity information of video 001 meets and sets high thermovision frequently condition in advance, therefore video 001 is synchronized to the edge caching nodes of the first 5 machine rooms in area and the second 6 machine rooms in area, global buffer server node, secondary overall situation storage server and one-level overall situation storage server.Video 002 is synchronized to the edge caching nodes of the first regional A machine room, global buffer server node, secondary overall situation storage server and one-level overall situation storage server.Video 003 is synchronized to secondary overall situation storage server and the one-level overall situation storage server of the first regional A machine room.Video 004 is synchronized to secondary overall situation storage server and the one-level overall situation storage server of the first regional A machine room.
Step S3, add up the user accesses data of synchronization video content; According to the user accesses data of the described content of synchronization video, recalculate the popularity information of synchronization video; When the popularity information recalculated meets preset popularity condition, second synchronization is carried out to corresponding synchronization video content.
Particularly, if the popularity of video exceedes default region heat degree threshold, then at the regional level in second synchronization is carried out to this video; If the popularity of video exceedes default national heat degree threshold, then carry out second synchronization to this video in China, synchronous process is triggered by management by synchronization server and manages.
Such as, during production, video 001 has only been synchronized to the first regional A machine room, after user's access, real-time statistics finds that the popularity of video 001 exceedes regional heat degree threshold, then trigger the second synchronization in the first area, namely this video content is synchronized to the global buffer server node in all the other 4 machine rooms and edge caching nodes; If real-time statistics finds that video 001 popularity exceedes national heat degree threshold, global buffer service node then in national all machine rooms and edge caching nodes all this videos of second synchronization, namely first area all the other 4 machine rooms and second area 6 machine rooms in global buffer service node and edge caching nodes all this videos of second synchronization.When triggering second synchronization, decide which global buffer server node by management by synchronization server according to the strategy of configuration and the state of current server in machine room and edge caching nodes carries out second synchronization, and send synchronization message: type=sync_opt & uri=file uri TCP message.
Embodiment of the method four
With reference to Fig. 3, show the flow chart of steps of returning source embodiment of the method four of video content of the present invention, specifically can comprise the steps:
Step 301, the access request of user is dispatched to nearest edge caching nodes, described edge caching nodes is preserved popularity information and is met the video content setting high thermovision condition frequently in advance;
When user's request access video content, first by DNS (domain name system, Domain Name System) redirecting technique determines closest to user best edge cache node, this edge caching nodes is pointed in the request of user simultaneously, edge caching nodes is preserved popularity information and meet the video content setting high thermovision frequency condition in advance.Wherein, best edge cache node can be ensureing under the prerequisite nearest from user, meet again performance preferably requirement simultaneously, such as, in several edge caching nodes that distance users is nearer, choose current operating state normally and more idle edge caching nodes, avoid user's request to be directed on inoperable edge caching nodes.When the request of user arrives the edge caching nodes of specifying, the content that this edge caching nodes is responsible for user asks is supplied to user.
Step 302, when described edge caching nodes does not exist video content corresponding to described access request, send it back source request to pre-configured higher level CDN storage server side;
Wherein, edge caching nodes sends it back source request to which platform CDN storage server and can be configured in advance, like this, when source request occurs back, avoids edge caching nodes all to need to inquire about at every turn, can improve back source efficiency.
Wherein, in a kind of application example of the present invention, send it back source request to pre-configured higher level CDN storage server side and specifically can comprise following sub-step:
The download state of S1, inquiry institute request msg section;
If this data segment of S2 just in downloading process, then forwards S4 to, otherwise forwards S3 to;
S3, this data segment be not in download, then this data segment starts to download, and forwards S5 to, opens other data segment simultaneously and download, forward S7 to;
If download request in downloading process, is then merged in existing downloading process, forwards S6 to by this data segment of S4;
S5, this data segment have been downloaded;
S6, return the local data segment downloaded to user;
Corresponding to S7, this data segment, other data segment of content, enters download queue;
Corresponding to S8, this data segment, other data segment of content has all been downloaded;
S9, all data segments merging this content are complete content.
Step 303, receive the video content that described server returns according to described time source request, described video content is saved to described edge caching nodes and is supplied to user.
The complete video content that user asks the edge caching nodes reception server Hui Yuan at place to return, preserves this video content and is supplied to user.
In the present embodiment, first user's request is redirected to from the nearest edge caching nodes of user, this edge caching nodes is preserved popularity information and is met the video content setting high thermovision frequency condition in advance, the request of most of user can be met, improve the hit rate of user's access, thus reduce back source number of times, reduce the delay of user's access.
Embodiment of the method five
With reference to Fig. 4, show the flow chart of steps of returning source embodiment of the method five of video content of the present invention, specifically can comprise the steps:
What step 401, reception edge caching nodes sent returns source request;
Step 402, whether there is the video content of user's request according to described time source requesting query global buffer server node;
Wherein, global buffer server node is preserved popularity information to meet and set high heat and the video content compared with thermovision frequently condition in advance, in order to save the memory space of edge caching nodes, different edge caching nodes can preserve the different video contents setting high thermovision frequency condition in advance; When there is back source request, first edge caching nodes sends it back source request to global buffer server node, can alleviate the access burden of source station server.
Step 403, when described global buffer server node does not exist video content corresponding to described access request, whether inquiry secondary overall situation storage server exists video content corresponding to described access request;
When video content on global buffer server node also cannot meet the request of user, the video content of user's request whether is there is again from the inquiry of secondary overall situation storage server, like this, not only can alleviate the access burden of source station server, also can share network traffics, alleviate edge caching nodes and global buffer server node load pressure; In addition, because global buffer server node and secondary overall situation storage server are positioned at same machine room, the distance of Hui Yuan can also be reduced.
The video content that step 404, described user inquiry obtained ask is back to described global buffer server node and edge caching nodes successively.
If secondary overall situation storage server exists the video content of user's request, then this video content is returned successively according to the order of returning source request, that is, this video content be back to global buffer server node and preserve, be back to edge caching nodes again, be supplied to user and preserve.
In another embodiment of the present invention, described method can also comprise: when described secondary overall situation storage server does not exist video content corresponding to described access request, whether inquiry one-level overall situation storage server exists video content corresponding to described access request.
When secondary overall situation storage server does not exist video content corresponding to described access request yet, then to source station server, namely whether the inquiry of one-level overall situation storage server exists video content corresponding to described access request.
During concrete enforcement, return in the operating process of source, only when global buffer server node and secondary overall situation storage server do not exist the video content of user's request, just to source station server, namely this video content of one-level overall situation storage server requests.Carry out back source request so step by step, can network traffics be shared, alleviate the access burden of source station server.
Device embodiment one
With reference to Fig. 5, show the structured flowchart of the storage system of a kind of video content of the present invention, specifically can comprise as lower module: edge caching nodes 510 and CDN storage server 520;
Wherein, edge caching nodes 510, meets the video content setting high thermovision frequency condition in advance for stores synchronized popularity information, and, when network performance condition meets preset network performance condition, store the preset video content compared with thermovision frequency condition of popularity information conforms;
CDN storage server 520 can comprise:
Global buffer server node 521, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition frequently in advance;
Secondary overall situation storage server 522, be positioned at same machine room with described global buffer server node, meet for stores synchronized popularity information and set high thermovision condition, the preset video content compared with thermovision frequency condition, preset colder video condition and preset unexpected winner video condition frequently in advance;
One-level overall situation storage server 523, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition, preset colder video condition and preset unexpected winner video condition frequently in advance.
Device embodiment two
With reference to Fig. 6, show the structured flowchart of the synchronizer of a kind of video content of the present invention, specifically can comprise as lower module: popularity acquisition module 610 and synchronization module 620;
Wherein, popularity acquisition module 610, for determining the popularity information of video content to be synchronized;
Synchronization module 620 can comprise:
First synchronous submodule 621, is synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server for popularity information being met the video content setting high thermovision frequency condition in advance.
In another preferred embodiment of the invention, described synchronization module 620 can also comprise:
Second synchronous submodule 622, is synchronized to for popularity information being met the preset video content compared with thermovision frequency condition the edge caching nodes, global buffer server node, secondary overall situation storage server and the one-level overall situation storage server that meet preset network performance condition.
In another preferred embodiment of the invention, described synchronization module 620 can also comprise:
3rd synchronous submodule 623, the video content for popularity information being met preset colder video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
In another preferred embodiment of the invention, described synchronization module 620 can also comprise:
4th synchronous submodule 624, the video content for popularity information being met preset unexpected winner video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
In another preferred embodiment of the present invention, described device can also comprise:
Statistical module 630, for adding up the user accesses data of synchronization video content;
Popularity update module 640, for the user accesses data according to the described content of synchronization video, recalculates the popularity information of synchronization video;
Synchronized update module 650, during for meeting preset popularity condition when the popularity information recalculated, carries out second synchronization to corresponding synchronization video content.
Device embodiment three
With reference to Fig. 7, show the structured flowchart returning source apparatus of a kind of video content of the present invention, specifically can comprise as lower module: scheduler module 710, time source request module 720, content receiver module 730;
Wherein, scheduler module 710, for the access request of user is dispatched to nearest edge caching nodes, described edge caching nodes is preserved popularity information and is met the video content setting high thermovision frequency condition in advance;
Return source request module 720, during for there is not video content corresponding to described access request when described edge caching nodes, send it back source request to pre-configured higher level CDN storage server side;
Content receiver module 730, for receiving the video content that described server returns according to described time source request, being saved to described edge caching nodes by described video content and being supplied to user.
Device embodiment four
With reference to Fig. 8, show the structured flowchart returning source apparatus of a kind of video content of the present invention, specifically can comprise as lower module: time source receiver module 810, first enquiry module 820, second enquiry module 830 and content return module 840;
Wherein, return source receiver module 810, for receiving time source request that edge caching nodes sends;
Whether the first enquiry module 820, for existing the video content of user's request according to described time source requesting query global buffer server node;
Second enquiry module 830, during for there is not video content corresponding to described access request when described global buffer server node, whether inquiry secondary overall situation storage server exists video content corresponding to described access request;
Content returns module 840, and the video content for described user's request inquiry obtained is back to described global buffer server node and edge caching nodes successively.
In another preferred embodiment of the present invention, described device can also comprise:
3rd enquiry module 850, during for there is not video content corresponding to described access request when described secondary overall situation storage server, whether inquiry one-level overall situation storage server exists video content corresponding to described access request.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art should understand, the embodiment of the embodiment of the present invention can be provided as method, device or computer program.Therefore, the embodiment of the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the embodiment of the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The embodiment of the present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, terminal equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipment to produce a machine, making the instruction performed by the processor of computer or other programmable data processing terminal equipment produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing terminal equipment, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment, make to perform sequence of operations step to produce computer implemented process on computer or other programmable terminal equipment, thus the instruction performed on computer or other programmable terminal equipment is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the embodiment of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of embodiment of the present invention scope.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment comprising described key element and also there is other identical element.
Above the source apparatus that returns of the synchronizer of the synchronous method of a kind of video content provided by the present invention, video content, the storage system of video content, the source side method of returning of video content and video content is described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (17)
1. a synchronous method for video content, is characterized in that, comprising:
Determine the popularity information of video content to be synchronized;
The synchronous of described video content to be synchronized is carried out according to described popularity information;
Wherein, described synchronous step of carrying out described video content to be synchronized according to described popularity information, comprising:
Popularity information is met the video content setting high thermovision frequency condition in advance and be synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server.
2. method according to claim 1, is characterized in that, described synchronous step of carrying out described video content to be synchronized according to described popularity information, also comprises:
Popularity information is met the preset video content compared with thermovision frequency condition and be synchronized to the edge caching nodes, global buffer server node, secondary overall situation storage server and the one-level overall situation storage server that meet preset network performance condition.
3. method according to claim 1, is characterized in that, described synchronous step of carrying out described video content to be synchronized according to described popularity information, also comprises:
Video content popularity information being met preset colder video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
4. method according to claim 1, is characterized in that, described synchronous step of carrying out described video content to be synchronized according to described popularity information, also comprises:
Video content popularity information being met preset unexpected winner video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
5. method according to claim 1, is characterized in that, described method also comprises:
Add up the user accesses data of synchronization video content;
According to the user accesses data of the described content of synchronization video, recalculate the popularity information of synchronization video;
When the popularity information recalculated meets preset popularity condition, second synchronization is carried out to corresponding synchronization video content.
6. a storage system for video content, is characterized in that, comprising: edge caching nodes and content distributing network CDN storage server; Wherein,
Described edge caching nodes, meets the video content setting high thermovision frequency condition in advance for stores synchronized popularity information, and, when network performance condition meets preset network performance condition, store the preset video content compared with thermovision frequency condition of popularity information conforms;
Described CDN storage server comprises:
Global buffer server node, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition frequently in advance;
Secondary overall situation storage server, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition, preset colder video condition and preset unexpected winner video condition frequently in advance;
One-level overall situation storage server, meets for stores synchronized popularity information and sets high thermovision condition, the preset video content compared with thermovision frequency condition, preset colder video condition and preset unexpected winner video condition frequently in advance.
7. a time source side method for video content, is characterized in that, comprising:
The access request of user is dispatched to nearest edge caching nodes, and described edge caching nodes is preserved popularity information and is met the video content setting high thermovision frequency condition in advance;
When described edge caching nodes does not exist video content corresponding to described access request, send it back source request to pre-configured higher level CDN storage server side;
Receive the video content that described server returns according to described time source request, described video content is saved to described edge caching nodes and is supplied to user.
8. a time source side method for video content, is characterized in that, comprising:
Receive time source request that edge caching nodes sends;
The video content of user's request whether is there is according to described time source requesting query global buffer server node;
When described global buffer server node does not exist video content corresponding to described access request, whether inquiry secondary overall situation storage server exists video content corresponding to described access request;
The video content of described user's request inquiry obtained is back to described global buffer server node and edge caching nodes successively.
9., as right wants the method as described in 8, it is characterized in that, also comprise:
When described secondary overall situation storage server does not exist video content corresponding to described access request, whether inquiry one-level overall situation storage server exists video content corresponding to described access request.
10. a synchronizer for video content, is characterized in that, comprising:
Popularity acquisition module, for determining the popularity information of video content to be synchronized;
Synchronization module, for carrying out the synchronous of described video content to be synchronized according to described popularity information;
Wherein, described synchronization module comprises:
First synchronous submodule, is synchronized to edge caching nodes, global buffer server node, secondary overall situation storage server and one-level overall situation storage server for popularity information being met the video content setting high thermovision frequency condition in advance.
11. devices as claimed in claim 10, it is characterized in that, described synchronization module also comprises:
Second synchronous submodule, is synchronized to for popularity information being met the preset video content compared with thermovision frequency condition the edge caching nodes, global buffer server node, secondary overall situation storage server and the one-level overall situation storage server that meet preset network performance condition.
12. devices as claimed in claim 10, it is characterized in that, described synchronization module also comprises:
3rd synchronous submodule, the video content for popularity information being met preset colder video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
13. devices as claimed in claim 10, it is characterized in that, described synchronization module also comprises:
4th synchronous submodule, the video content for popularity information being met preset unexpected winner video condition is synchronized to secondary overall situation storage server and one-level overall situation storage server.
14. devices as claimed in claim 10, it is characterized in that, described device also comprises:
Statistical module, for adding up the user accesses data of synchronization video content;
Popularity update module, for the user accesses data according to the described content of synchronization video, recalculates the popularity information of synchronization video;
Synchronized update module, during for meeting preset popularity condition when the popularity information recalculated, carries out second synchronization to corresponding synchronization video content.
Time source apparatus of 15. 1 kinds of video contents, is characterized in that, be positioned at edge caching nodes side, comprise:
Scheduler module, for the access request of user is dispatched to nearest edge caching nodes, described edge caching nodes is preserved popularity information and is met the video content setting high thermovision frequency condition in advance;
Return source request module, during for there is not video content corresponding to described access request when described edge caching nodes, send it back source request to pre-configured higher level CDN storage server side;
Content receiver module, for receiving the video content that described server returns according to described time source request, being saved to described edge caching nodes by described video content and being supplied to user.
Time source apparatus of 16. 1 kinds of video contents, is characterized in that, be positioned at CDN storage server side, comprise:
Return source receiver module, for receiving time source request that edge caching nodes sends;
Whether the first enquiry module, for existing the video content of user's request according to described time source requesting query global buffer server node;
Second enquiry module, during for there is not video content corresponding to described access request when described global buffer server node, whether inquiry secondary overall situation storage server exists video content corresponding to described access request;
Content returns module, and the video content for described user's request inquiry obtained is back to described global buffer server node and edge caching nodes successively.
17. devices as claimed in claim 16, it is characterized in that, described device also comprises:
3rd enquiry module, during for there is not video content corresponding to described access request when described secondary overall situation storage server, whether inquiry one-level overall situation storage server exists video content corresponding to described access request.
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Application publication date: 20150114 |