CN104683881A - VCDN (virtual content distribution network) resource control method, device and system - Google Patents
VCDN (virtual content distribution network) resource control method, device and system Download PDFInfo
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Abstract
The invention discloses a VCDN (virtual content distribution network) resource control method, device and system. The method comprises the following steps that VCDN resource capability information of at least one node is obtained, wherein the VCDN resource capability information includes VCDN space use conditions of different providers on at least one node, and the VCDN resources of different providers on the at least one node is respectively controlled according to the VCDN resource capability information. The method, the device and the system provided by the invention solve the problem that the VCDN resource management in the prior art is not clear and is out of control. The method, the device and the system have the beneficial effect that the VCDN resources can be subjected to refining control according to the VCDN space use conditions of different providers.
Description
Technical field
The present invention relates to the communications field, in particular to method, the Apparatus and system of a kind of virtual content distributing network (Virtual Content Delivery Network is called for short VCDN) resources control.
Background technology
The value-added services businesses carried out based on media content on communication network that develop into of the raising of the network bandwidth and the third generation (Third Generation is called for short 3G) wireless communication technology provide possibility.Stream media technology provides the mode of the media contents such as a kind of transmission of video in a network, audio frequency, picture, therefore at multi-media service system, is particularly widely used in mobile multi-media service.Meanwhile, along with the development of telecommunication network technology, developing multimedia service in communication network, the multimedia services such as such as IPTV Web TV, video monitoring, mobile TV, mobile phone-downloaded become a kind of trend gradually.
The multi-operator solution that VCDN provides for system, can make the multimedia services such as IPTV present variation and the service of differentiation, make can distinguish the different consumer groups on identical platform basis.Content supplier or service provider are only integrated classification according to different demand by traditional VCDN technical scheme, but the differentiation that do not become more meticulous in resources control.Such as, the resource management under identical VCDN needed for different provider and distribute unclear, uncontrolled, is unfavorable for the overall planning after webmaster analysis and data analysis thereof.
For unclear, the uncontrolled problem of VCDN resource management in correlation technique, at present effective solution is not yet proposed.
Summary of the invention
The invention provides a kind of VCDN resource control method, Apparatus and system, at least to solve the problem.
According to an aspect of the present invention, provide a kind of VCDN resource control method, comprise: the VCDN resource capability information obtaining at least one node, wherein, described VCDN resource capability information comprises the VCDN space service condition of the different providers at least one node described; Control respectively according to the VCDN resource of described VCDN resource capability information to the different providers at least one node described.
Preferably, control respectively to comprise according to the VCDN resource of described VCDN resource capability information to the different providers at least one node described: response contents dispense request, according to the VCDN space service condition determination distribution node of the different providers at least one node described, and by corresponding contents distribution to described distribution node.
Preferably, described VCDN resource capability information also comprises: the performance parameter of at least one node described, and wherein, described performance parameter comprises bandwidth usage parameter.
Preferably, determine that described distribution node comprises according to described VCDN resource capability information: select proxy server according to described VCDN resource capability information, wherein, selected proxy server determines described distribution node according to described VCDN resource capability information.
Preferably, described control comprise following one of at least: VCDN bandwidth controls, and VCDN stores control, VCDN Content Management.
According to a further aspect in the invention, provide a kind of VCDN resource control, comprise: acquisition module, for obtaining the VCDN resource capability information of at least one node, wherein, described VCDN resource capability information comprises the VCDN space service condition of the different providers at least one node described; Control module, for controlling respectively according to the VCDN resource of described VCDN resource capability information to the different providers at least one node described.
Preferably, described control module comprises Dispatching Unit, for response contents dispense request, according to the VCDN space service condition determination distribution node of the different providers at least one node described, and by corresponding contents distribution to described distribution node.
Preferably, described Dispatching Unit is also for selecting proxy server according to described VCDN resource capability information, and wherein, selected proxy server determines described distribution node according to described VCDN resource capability information.
According to another aspect of the invention, provide a kind of VCDN resource control system, comprise management server, comprise the device described in above-mentioned any one; At least one node, for storing the VCDN resource of described different provider, wherein, described node is media server.
Preferably, described system also comprises proxy server, described proxy server be used for following one of at least: receive the described VCDN resource capability information that at least one node described sends, and described VCDN resource capability information reported described management server; Receive the content distribution request that described management server forwards, and determine described distribution node according to described VCDN resource capability information.
Preferably, described proxy server comprises: load balancing proxy server, with at least one node communication described, for the load of balanced at least one node described; User access networks close, with telex network, for accessing described user.
According to another aspect of the invention, provide a kind of VCDN resource control method, comprise and obtain the VCDN space service condition of provider at least two nodes; The VCDN resource of described provider is controlled according to the VCDN space service condition on described at least two nodes.
Preferably, the VCDN resource controlling described provider according to the VCDN space service condition on described at least two nodes comprises: according to the VCDN space service condition determination content distribution nodes on described at least two nodes, and to described content distribution nodes distributing contents.
Preferably, the VCDN resource controlling described provider according to the VCDN space service condition on described at least two nodes comprises: according to the performance parameter determination content distribution nodes of the VCDN space service condition on described at least two nodes and described at least two nodes, and to described content distribution nodes distributing contents.
Pass through the present invention, adopt the VCDN resource capability information obtaining at least one node, wherein, this VCDN resource capability information comprises the VCDN space service condition of the different providers at least one node, control respectively according to the VCDN resource of above-mentioned VCDN resource capability information to the different providers at least one node, solve unclear, the uncontrolled problem of VCDN resource management in correlation technique, thus reach the effect can carrying out Precise control according to the VCDN space service condition of different provider to VCDN resource.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the VCDN resource control method according to the embodiment of the present invention;
Fig. 2 is the structural representation one of the VCDN resource control according to the embodiment of the present invention;
Fig. 3 is the structural representation two of the VCDN resource control according to the embodiment of the present invention;
Fig. 4 is the structural representation one of the VCDN resource control system according to the embodiment of the present invention;
Fig. 5 is the structural representation two of the VCDN resource control system according to the embodiment of the present invention;
Fig. 6 is the structural representation three of the VCDN resource control system according to the embodiment of the present invention;
Fig. 7 is the structural representation four of the VCDN resource control system according to the embodiment of the present invention;
Fig. 8 is the flow chart of VCDN resource control method according to the preferred embodiment of the invention;
Fig. 9 is the flow chart of the VCDN resource information report method of streaming media server according to the preferred embodiment of the invention;
Figure 10 is the flow chart of content distribution method according to the preferred embodiment of the invention; And
Figure 11 is the flow chart of another kind of according to the preferred embodiment of the invention VCDN resource control method.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Embodiments provide a kind of VCDN resource control method, Fig. 1 is the flow chart of the VCDN resource control method according to the embodiment of the present invention, and as shown in Figure 1, this flow process can comprise the following steps:
Step S102, obtains the VCDN resource capability information of at least one node, and wherein, this VCDN resource capability information comprises the VCDN space service condition of the different providers at least one node;
Step S104, controls respectively according to the VCDN resource of described VCDN resource capability information to the different providers at least one node.
Pass through above-mentioned steps, change VCDN technical scheme in correlation technique and only content supplier or service provider are integrated the way sorted out according to different demand, solve unclear, the uncontrolled problem of VCDN resource management in correlation technique, there is the beneficial effect that can carry out Precise control according to the VCDN space service condition of different provider to VCDN resource.Wherein, provider can be content supplier and/or service provider.
In embodiments of the present invention, control respectively according to the VCDN resource of VCDN space service condition to provider of provider on node, avoiding in correlation technique according to the performance parameter of node is according to precision not high problem when controlling.Such as, the overall VCDN resource on node is abundant, and the VCDN space of a certain provider lacks, if controlled according to node overall performance, then can not ensure the demand of this provider.It should be noted that, above-mentioned application scenarios or beneficial effect are one and illustrate, the embodiment of the present invention is not limited to this.
In a preferred implementation of the embodiment of the present invention, can comprise according to the step that the VCDN resource of VCDN resource capability information to the different providers at least one node controls respectively: response contents dispense request, according to the VCDN space service condition determination distribution node of the different providers at least one node, and by corresponding contents distribution to this distribution node.Pass through above-mentioned steps, the present embodiment can also carry out managing and distribute according to different content suppliers or service provider for different VCDN resources while providing multi-operator solution for CDN system, provides content distribution service to content supplier or service provider.
In a preferred implementation of the embodiment of the present invention, VCDN resource capability information can also comprise: the performance parameter of at least one node, and wherein, this performance parameter can comprise bandwidth usage parameter etc.By above-mentioned steps, when carrying out VCDN resources control, not only considering the VCDN space service condition of different provider on node, also combining the performance parameter of node, thus VCDN resources control can be carried out more accurately.
In a preferred implementation of the embodiment of the present invention, can comprise according to VCDN resource capability information determination distribution node: select proxy server according to VCDN resource capability information, wherein, selected proxy server can according to VCDN resource capability information determination distribution node.By above-mentioned steps, utilize proxy server, the burden of current executive agent can be alleviated.
In a preferred implementation of the embodiment of the present invention, to the VCDN resource of the different providers at least one node control respectively to comprise following one of at least: according to VCDN resource capability information, the control of VCDN bandwidth is carried out respectively to the VCDN resource of the different providers at least one node; According to VCDN resource capability information, VCDN is carried out respectively to the VCDN resource of the different providers at least one node and store control; VCDN Content Management is carried out respectively according to the VCDN resource of VCDN resource capability information to the different providers at least one node.By above-mentioned steps, various control can be carried out according to the VCDN space service condition of different content suppliers or service provider respectively to VCDN resource.
The embodiment of the present invention additionally provides a kind of VCDN resource control, and Fig. 2 is the structural representation one of the VCDN resource control according to the embodiment of the present invention, and as shown in Figure 2, this device comprises:
Acquisition module 202, for obtaining the VCDN resource capability information of at least one node, wherein, VCDN resource capability information comprises the VCDN space service condition of the different providers at least one node;
Control module 204, for controlling respectively according to the VCDN resource of VCDN resource capability information to the different providers at least one node.
Preferably, control module 204 as shown in Figure 3, can comprise Dispatching Unit 2042, for response contents dispense request, according to the VCDN space service condition determination distribution node of the different providers at least one node, and by corresponding contents distribution to this distribution node.
Preferably, Dispatching Unit 2042 is also for selecting proxy server according to VCDN resource capability information, and wherein, selected proxy server is according to VCDN resource capability information determination distribution node.
The embodiment of the present invention additionally provides a kind of VCDN resource control system, and Fig. 4 is the structural representation one of the VCDN resource control system according to the embodiment of the present invention, and as shown in Figure 4, this system comprises:
Management server 402, comprises above-mentioned VCDN resource control; Management server 402 can provide the functions such as VCDN storage, the control of VCDN bandwidth, Content Management, node administration;
At least one node 404, for storing the VCDN resource of different provider, wherein, node 404 can be media server.At least one node 404 provides content storage functions, receives content storage request.Meanwhile, at least one node 404 reports VCDN resource capability information to proxy server.
Preferably, as shown in Figure 5, this system can also comprise proxy server 406, proxy server 406 for following one of at least: receive the VCDN resource capability information that at least one node 404 sends, and VCDN resource capability information reported management server 402; The content distribution request that receiving management server 402 forwards, and according to VCDN resource capability information determination distribution node.Specifically, proxy server 406 receives the VCDN resource capability information that at least one node 404 reports, such as, and the VCDN space service condition etc. of the different content provider on this node or service provider, and report management server 402.The VCDN resource capability information that management server 402 reports according at least one node 404 by contents distribution to distribution node.Proxy server 406 can have multiple, and itself and media server 402 can be one to one, also can be the relation of one-to-many.
Preferably, as shown in Figure 6, proxy server 406 can also comprise: load balancing proxy server 4062, for the load of at least one node 404 balanced; User access networks close 4064, for access user.
Preferably, as shown in Figure 7, this system can also comprise provider server 408, for sending content distribution request to management server 402.Wherein, provider server 408 can comprise content provider server and/or service provider server.
Fig. 8 is the flow chart of VCDN resource control method according to the preferred embodiment of the invention, and the method can be applied in system as shown in Figure 4, and as shown in Figure 8, this flow process comprises the following steps:
Step S802, media server reports the VCDN resource capability information of media server on proxy server to management server.
Media servers all in system periodically reports the VCDN resource capability information of each media server to proxy server, wherein, the VCDN resource capability information of each media server comprises the VCDN space service condition of different provider on each media server, and the performance parameter of each media server self, wherein, performance parameter can be the bandwidth usage parameter of media server.
After proxy server receives the VCDN resource capability information that each media server reports, gather VCDN space service condition and the bandwidth usage of this media server, and report VCDN resource capability information to management server, now VCDN resource information also comprises performance parameter and the state parameter of proxy server.VCDN resource capability information is used for the current each node VCDN resource consumption degree of management server instruction, using the foundation as contents distribution reasonable distribution node.
The VCDN resource capability information that management server Receiving Agent server reports.
The content distribution request of management server wait-receiving mode provider server; The content distribution request that proxy server wait-receiving mode management servers all in system forwards; The content storage request of media server wait-receiving mode proxy servers all in system.
Step S804, provider server sends content distribution request to management server.
Step S806, management server determination proxy server, and forward content distribution request to proxy server.
The VCDN resource capability information that management server is uploaded according to proxy servers all in current system, selects proxy server optimum in a VCDN resource, and sends content distribution request to this proxy server.
Step S808, proxy server determination media server, and send content storage request.
Selected proxy server, according to the VCDN resource capability information of media servers all in current system, selects media server optimum in a VCDN resource, and sends content distribution request to selected media server.Wherein, media server can comprise streaming media server.
Step S810, selected streaming media server stores content.
Fig. 9 is the flow chart of the VCDN resource information report method of streaming media server according to the preferred embodiment of the invention, and the method is applied in system as shown in Figure 4, and in the present embodiment, the node in Fig. 4 is specially streaming media server.As shown in Figure 9, this flow process comprises the following steps:
Step S902, communication link set up by streaming media server and proxy server.
All streaming media servers set up communication link with proxy server respectively.
Step S904, streaming media server reports VCDN resource capability information to proxy server.
All streaming media servers periodically send the VCDN resource capability information of this streaming media server to proxy server, this VCDN resource capability information can comprise performance parameter, the state parameter of streaming media server, and the information that current streaming media server provides streaming media service necessary, the VCDN space service condition of such as different provider, i.e. the VCDN resource service condition of different provider.
Step S906, reports VCDN resource capability information.
Proxy server receives the VCDN resource capability information that each streaming media server reports, and preserves the VCDN resource capability information of each streaming media server, as the foundation selecting the optimum node of VCDN resource capability subsequently.Gather according to the VCDN current memory space at provider place simultaneously, report management server.After the VCDN resource capability information that management server Receiving Agent server reports, be kept at this locality.Wherein, the performance parameter and state parameter etc. that also comprise proxy server in the VCDN resource capability information of management server is reported at proxy server.
Figure 10 is the flow chart of content distribution method according to the preferred embodiment of the invention, and the method is applied in system as shown in Figure 4, and in the present embodiment, the node in Fig. 4 is specially media server.As shown in Figure 10, this flow process comprises the following steps:
Step S1002, initialization.
Management server, proxy server and media server start to monitor.
Step S1004, provider server initiates content distribution request to management server.
Step S1006, management server selects optimum proxy server.
The VCDN resource capability information that management server is preserved according to it selects optimum proxy server, and wherein VCDN resource capability information comprises the VCDN resource service condition of the different providers on media server, the performance parameter of proxy server and state parameter.
Step S1008, management server initiates content distribution request to selected proxy server.
Step S1010, optimal media server selected by proxy server.
Proxy server selects optimal media server according to its VCDN resource capability information of preserving, wherein, VCDN resource capability information comprises the VCDN space service condition of the different providers on each media server, the performance parameter of media server and state parameter.
Step S1012, proxy server initiates content storage request to media server.
Step S1014, media server stores content, and return result to proxy server.
Step S1016, proxy server returns result to management server.
Step S1018, management server returns result to provider server.
In the present embodiment, management server provides content distribution service function, is responsible for the VCDN resource capability information that reports of Receiving Agent server and joint behavior, and according to the VCDN resource capability information reported and joint behavior by contents distribution to optimum node.Providers different in actual applications can belong to same VCDN, and same platform also can exist different VCDN.
In addition, in the present embodiment, proxy server had both received and had processed the performance reporting message of media server, again simultaneously as Agent load balancing service.In other examples, proxy server can be divided into two independent server dispositions, one is the load-balanced server of Streaming Media, one is that user access networks close, user terminal only closes alternately with user access networks, and media redirect message is closed the load-balanced server being transmitted to Streaming Media by user access networks.
Figure 11 is the flow chart of another kind of according to the preferred embodiment of the invention VCDN resource control method, and as shown in figure 11, the method comprises the following steps:
Step S1102, obtains the VCDN space service condition of provider at least two nodes.
Step S1104, controls the VCDN resource of this provider according to the VCDN space service condition at least two nodes.
In a preferred implementation of the embodiment of the present invention, the VCDN resource controlling provider according to the VCDN space service condition at least two nodes can comprise: according to the VCDN space service condition determination content distribution nodes at least two nodes, and to content distribution nodes distributing contents.
In another preferred implementation of the embodiment of the present invention, the VCDN resource controlling provider according to the VCDN space service condition at least two nodes can also comprise: according to the performance parameter determination content distribution nodes of the VCDN space service condition at least two nodes and at least two nodes, and to this content distribution nodes distributing contents.
It should be noted that, the embodiment of the present invention does not limit in above-mentioned steps S1102 the mode obtaining VCDN space service condition.Illustrate as one, it can be when responding the content distribution request for a certain provider, obtains VCDN space service condition from each node; Also can be periodicity or the VCDN space service condition obtaining each provider according to certain acquisition strategy, when responding the content distribution request for provider, from the VCDN space service condition of each provider got according to the method described above, filter out the VCDN space service condition of this provider.Certainly, also can be the VCDN space service condition of adding up each provider in advance respectively, directly use when needed.
From above description, can find out, present invention achieves following technique effect: utilize identical platform to realize business variation and the content distribution service of differentiation, to variation and differentiation content distribution service reasonable distribution resource thereof, the controlled of resource can be reached simultaneously.Use the multi-media service system adopting the method disclosed in the present to build, in core network plane, the VCDN resource information that administration module reports according to proxy server, by the node of contents distribution to resource capability optimum, and optimal resource allocation is carried out to different VCDN memory space, thus can control effectively for diversity and otherness business VCDN resource thereof and manage.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a virtual content distributing network VCDN resource control method, is characterized in that, comprising:
Obtain the VCDN resource capability information of at least one node, wherein, described VCDN resource capability information comprises the VCDN space service condition of the different providers at least one node described;
Control respectively according to the VCDN resource of described VCDN resource capability information to the different providers at least one node described.
2. method according to claim 1, it is characterized in that, control respectively to comprise according to the VCDN resource of described VCDN resource capability information to the different providers at least one node described: response contents dispense request, according to the VCDN space service condition determination distribution node of the different providers at least one node described, and by corresponding contents distribution to described distribution node.
3. method according to claim 1 and 2, is characterized in that, described VCDN resource capability information also comprises: the performance parameter of at least one node described, and wherein, described performance parameter comprises bandwidth usage parameter.
4. method according to claim 2, it is characterized in that, determine that described distribution node comprises according to described VCDN resource capability information: select proxy server according to described VCDN resource capability information, wherein, selected proxy server determines described distribution node according to described VCDN resource capability information.
5. method according to claim 1 and 2, is characterized in that, described control comprise following one of at least: VCDN bandwidth controls, and VCDN stores control, VCDN Content Management.
6. a virtual content distributing network VCDN resource control, is characterized in that, comprising:
Acquisition module, for obtaining the VCDN resource capability information of at least one node, wherein, described VCDN resource capability information comprises the VCDN space service condition of the different providers at least one node described;
Control module, for controlling respectively according to the VCDN resource of described VCDN resource capability information to the different providers at least one node described.
7. device according to claim 6, it is characterized in that, described control module comprises Dispatching Unit, for response contents dispense request, according to the VCDN space service condition determination distribution node of the different providers at least one node described, and by corresponding contents distribution to described distribution node.
8. device according to claim 7, is characterized in that, described Dispatching Unit is also for selecting proxy server according to described VCDN resource capability information, and wherein, selected proxy server determines described distribution node according to described VCDN resource capability information.
9. a virtual content distributing network VCDN resource control system, is characterized in that, comprising:
Management server, comprises the device according to any one of claim 6 to 8;
At least one node, for storing the VCDN resource of described different provider, wherein, described node is media server.
10. system according to claim 9, is characterized in that, described system also comprises proxy server, described proxy server be used for following one of at least:
Receive the described VCDN resource capability information that at least one node described sends, and described VCDN resource capability information is reported described management server;
Receive the content distribution request that described management server forwards, and determine described distribution node according to described VCDN resource capability information.
11. systems according to claim 9, is characterized in that, described proxy server comprises:
Load balancing proxy server, with at least one node communication described, for the load of balanced at least one node described;
User access networks close, with telex network, for accessing described user.
12. 1 kinds of virtual content distributing network VCDN resource control methods, is characterized in that, comprise
Obtain the VCDN space service condition of provider at least two nodes;
The VCDN resource of described provider is controlled according to the VCDN space service condition on described at least two nodes.
13. methods according to claim 12, it is characterized in that, the VCDN resource controlling described provider according to the VCDN space service condition on described at least two nodes comprises: according to the VCDN space service condition determination content distribution nodes on described at least two nodes, and to described content distribution nodes distributing contents.
14. methods according to claim 13, it is characterized in that, the VCDN resource controlling described provider according to the VCDN space service condition on described at least two nodes comprises: according to the performance parameter determination content distribution nodes of the VCDN space service condition on described at least two nodes and described at least two nodes, and to described content distribution nodes distributing contents.
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| CN201310631163.5A CN104683881A (en) | 2013-11-29 | 2013-11-29 | VCDN (virtual content distribution network) resource control method, device and system |
| PCT/CN2014/079617 WO2014180435A1 (en) | 2013-11-29 | 2014-06-10 | Vcdn resource control method, device and system |
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| CN106851342A (en) * | 2017-03-06 | 2017-06-13 | 南京优速网络科技有限公司 | A kind of design architecture of content arrangement distribution network |
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| CN109688010A (en) * | 2018-12-29 | 2019-04-26 | 北京邮电大学 | A kind of method and system of generation and the management of content network |
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Also Published As
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| WO2014180435A1 (en) | 2014-11-13 |
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