CN103747043A - CDN server dispatching method, CDN control center and system - Google Patents
CDN server dispatching method, CDN control center and system Download PDFInfo
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- CN103747043A CN103747043A CN201310722382.4A CN201310722382A CN103747043A CN 103747043 A CN103747043 A CN 103747043A CN 201310722382 A CN201310722382 A CN 201310722382A CN 103747043 A CN103747043 A CN 103747043A
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Abstract
The embodiment of the invention provides a CDN server dispatching method, a CDN control center and a system, and relates to the technical field of network multimedia. The CDN control center can flexibly dispatch a server according to different types of server dispatching instructions by different modes. Visit pressure of a content distribution system is balanced; system resources are utilized reasonably; and performance of a CDN system is improved. The method comprises the following steps: the CDN control center obtains a server dispatching instruction; the type of the server dispatching instruction is determined; if the type of the server dispatching instruction is an on-demand normal file instruction, a first server is dispatched according to a Hash algorithm; or, if the type of the server dispatching instruction is an on-demand ultra-hotspot file instruction, a second server is dispatched according to a roll polling algorithm; or, if the type of the server dispatching instruction is a live request instruction, a third server is dispatched according to the live streaming name corresponding to the live request instruction.
Description
Technical field
The present invention relates to network multimedia technology field, relate in particular to a kind of CDN server scheduling method, CDN control centre and system.
Background technology
CDN(Content Delivery Network, content distributing network) be a kind of one deck intelligent virtual network on existing Internet basic forming by place node server everywhere at network.CDN can be in real time leads user's request on the nearest service node of user again according to the connection of network traffics and each node, load state and to integrated informations such as user's distance and response times, its objective is and can select the node close to relatively from user to send the required content of user to user, alleviate the situation of network congestion, improve the response speed of website.
In prior art, when DangCDN control centre receives the service request that user sends, CDN control centre is user assignment server by hash algorithm conventionally, makes server provide service for user.Wherein, the hash algorithm hash algorithm that is otherwise known as, hash algorithm can be mapped as the binary value of random length the binary value of shorter regular length, is generally used for fast finding and cryptographic algorithm.
Yet, because prior art ZhongCDN control centre can only be user assignment server by hash algorithm, therefore CDN control centre cannot be according to user's different demands, by diverse ways, it is user's dispatch server, and then cause the irrational utilization of CDN system resource, affected the performance of CDN system.
Summary of the invention
Embodiments of the invention provide a kind of CDN server scheduling method, CDN control centre and system, CDN control centre can be neatly dissimilar according to server scheduling instruction, dispatch server in different ways, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, the embodiment of the present invention provides a kind of CDN server scheduling method, is applied to content delivering system, and described method comprises:
CDN control centre obtains server scheduling instruction;
Described CDN control centre determines the type of described server scheduling instruction, and the type of described server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction;
If the type of described server scheduling instruction is the instruction of program request ordinary file, described CDN control centre is according to hash algorithm, and scheduling first server, so that described first server responds the instruction of described program request ordinary file; Or,
If the superthermal dot file instruction that is program request of the type of described server scheduling instruction, described CDN control centre is according to polling algorithm, and scheduling second server, so that described second server responds the superthermal dot file instruction of described program request; Or,
If the type of described server scheduling instruction is live request instruction, described CDN control centre is the live TV stream title corresponding according to described live request instruction, and scheduling the 3rd server, so that the described live request instruction of described the 3rd server response.
In the possible implementation of the first, according to first aspect, the type of described server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of described program request ordinary file and program request all belongs to described program request file instruction;
Described CDN control centre determines the type of described server scheduling instruction, specifically comprises:
Described CDN control centre judges whether the type of described server scheduling instruction is program request file instruction;
If the type of described server scheduling instruction is not described program request file instruction, described CDN control centre described in mark the type of server scheduling instruction be described live request instruction; Or,
If the type of described server scheduling instruction is described program request file instruction, described CDN control centre obtains the type of file, and the type of described file comprises ordinary file and superthermal dot file;
If the type of described file is described ordinary file, described CDN control centre described in mark the type of server scheduling instruction be the instruction of described program request ordinary file; Or,
If the type of described file is described superthermal dot file, described CDN control centre described in mark the type of server scheduling instruction be the superthermal dot file instruction of described program request.
In the possible implementation of the second, in conjunction with first aspect or the possible implementation of the first, if the type of described server scheduling instruction is the instruction of program request ordinary file, described CDN control centre is according to hash algorithm, scheduling first server, specifically comprises:
If the type of described server scheduling instruction is the instruction of program request ordinary file, described CDN control centre, according to hash algorithm, obtains result of calculation, and described result of calculation is used to indicate described first server;
Described first server, according to described result of calculation, is dispatched, so that described first server responds the instruction of described program request ordinary file by described CDN control centre.
In the third possible implementation, in conjunction with first aspect or possible implementation or the possible implementation of the second of the first, if the type of the described server scheduling instruction superthermal dot file instruction that is program request, described CDN control centre is according to polling algorithm, scheduling second server, specifically comprises:
If the superthermal dot file instruction that is program request of the type of described server scheduling instruction, described CDN control centre obtains second server described at least one;
In described CDN control centre, get described at least one after second server, described CDN control centre is according to described polling algorithm, selects second server described in any one described at least one in second server;
In described CDN control centre, select after described second server, described second server is dispatched by described CDN control centre, so that described second server responds the superthermal dot file instruction of described program request.
In the 4th kind of possible implementation, in conjunction with first aspect or the possible implementation of the first to the third possible implementation, if the type of described server scheduling instruction is live request instruction, described CDN control centre is the live TV stream title corresponding according to described live request instruction, dispatch the 3rd server, specifically comprise:
If the type of described server scheduling instruction is live request instruction, described CDN control centre obtains the described live TV stream title that described live request instruction is corresponding;
The described CDN control centre described live TV stream title corresponding according to described live request instruction, searches described three server corresponding with described live TV stream title;
In described CDN control centre, find after described the 3rd server corresponding with described live TV stream title, described the 3rd server is dispatched by described CDN control centre, so that the described live request instruction of described the 3rd server response.
Second aspect, the embodiment of the present invention provides a kind of CDN control centre, is applied to content delivering system, and described CDN control centre comprises:
Acquisition module, for obtaining server scheduling instruction;
Determination module, for determining the type of described server scheduling instruction, the type of described server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction;
The first scheduler module, if be the instruction of program request ordinary file for the type of described server scheduling instruction, according to hash algorithm, scheduling first server, so that described first server responds the instruction of described program request ordinary file;
The second scheduler module, if be the superthermal dot file instruction of program request for the type of described server scheduling instruction, according to polling algorithm, scheduling second server, so that described second server responds the superthermal dot file instruction of described program request;
The 3rd scheduler module, if be live request instruction for the type of described server scheduling instruction, the live TV stream title corresponding according to described live request instruction, dispatches the 3rd server, so that the described live request instruction of described the 3rd server response.
In the possible implementation of the first, according to second aspect, the type of described server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of described program request ordinary file and program request all belongs to described program request file instruction;
Described determination module, specifically comprises:
Judge module, for judging whether the type of described server scheduling instruction is program request file instruction;
The first mark module, if be not described program request file instruction for the type of described server scheduling instruction, described in mark, the type of server scheduling instruction is described live request instruction;
Obtain submodule, if be described program request file instruction for the type of described server scheduling instruction, obtain the type of file, the type of described file comprises ordinary file and superthermal dot file;
The second mark module, if be described ordinary file for the type of described file, described in mark, the type of server scheduling instruction is the instruction of described program request ordinary file;
The 3rd mark module, if be described superthermal dot file for the type of described file, described in mark, the type of server scheduling instruction is the superthermal dot file instruction of described program request.
In the possible implementation of the second, in conjunction with second aspect or the possible implementation of the first, described the first scheduler module, specifically comprises:
Result of calculation acquisition module, if be the instruction of program request ordinary file for the type of described server scheduling instruction, according to hash algorithm, obtains result of calculation, and described result of calculation is used to indicate described first server;
The first scheduling sublayer module, for according to described result of calculation, dispatches described first server, so that described first server responds the instruction of described program request ordinary file.
In the third possible implementation, in conjunction with second aspect or possible implementation or the possible implementation of the second of the first, described the second scheduler module, specifically comprises:
Server acquisition module, if be the superthermal dot file instruction of program request for the type of described server scheduling instruction, obtains second server described at least one;
Select module, for getting at described server acquisition module described at least one after second server, according to described polling algorithm, described at least one, in second server, select second server described in any one;
The second scheduling sublayer module, for selecting after described second server in described selection module, dispatches described second server, so that described second server responds the superthermal dot file instruction of described program request.
In the 4th kind of possible implementation, in conjunction with second aspect or the possible implementation of the first, to the third possible implementation, described the 3rd scheduler module, specifically comprises:
Live TV stream name acquiring module, if be live request instruction for the type of described server scheduling instruction, obtains the described live TV stream title that described live request instruction is corresponding;
Search module, for the described live TV stream title corresponding according to described live request instruction, search described three server corresponding with described live TV stream title;
The 3rd scheduling sublayer module, for arriving after described the 3rd server corresponding with described live TV stream title in the described module searches of searching, dispatches described the 3rd server, so that the described live request instruction of described the 3rd server response.
The third aspect, the embodiment of the present invention provides a kind of CDN system, comprise the described CDN control centre with above-mentioned arbitrary feature, for responding the first server of program request ordinary file instruction, for responding the second server of the superthermal dot file instruction of program request, and the 3rd server that responds live request instruction.
A kind of CDN server scheduling method, CDN control centre and system that the embodiment of the present invention provides, CDN server scheduling method comprises: CDN control centre obtains server scheduling instruction; CDN control centre determines the type of server scheduling instruction, and the type of server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction; If the type of server scheduling instruction is the instruction of program request ordinary file, CDN control centre is according to hash algorithm, and scheduling first server, so that the instruction of first server response program request ordinary file; Or if the superthermal dot file instruction that is program request of the type of server scheduling instruction, CDN control centre is according to polling algorithm, scheduling second server, so that the superthermal dot file instruction of second server response program request; Or if the type of server scheduling instruction is live request instruction, CDN control centre is the live TV stream title corresponding according to live request instruction, scheduling the 3rd server, so that the 3rd server responds live request instruction.
Compare with the method that prior art ZhongCDN control centre can only be user assignment server by hash algorithm, pass through this method, because CDN control centre can determine the type of described server scheduling instruction, be the instruction of program request ordinary file, the superthermal dot file instruction of program request or live request instruction, and dissimilar according to server scheduling instruction neatly, dispatch server in different ways, therefore avoided the irrational situation of scheduling, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of a kind of CDN server scheduling method in the embodiment of the present invention 1;
Fig. 2 is the schematic flow sheet of a kind of CDN server scheduling method in the embodiment of the present invention 2;
Fig. 3 is the structural representation one of a kind of CDN control centre in the embodiment of the present invention 3;
Fig. 4 is the structural representation two of a kind of CDN control centre in the embodiment of the present invention 3;
Fig. 5 is the structural representation three of a kind of CDN control centre in the embodiment of the present invention 3;
Fig. 6 is the structural representation four of a kind of CDN control centre in the embodiment of the present invention 3;
Fig. 7 is the structural representation five of a kind of CDN control centre in the embodiment of the present invention 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In addition, term " system " and " network " are often used interchangeably in this article herein.Herein term " with ", be only a kind of incidence relation of describing affiliated partner, can there are three kinds of relations in expression, for example, A and B, can represent: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, character "/", generally represents that forward-backward correlation is to liking a kind of relation of "or" herein.
The CDN control centre that the present invention mentions carries out management and the control of CDN system, and first server, second server and the 3rd server can be both the servers under memory node covers, and can be also the server under fringe node covers, and the present invention does not limit.Wherein, memory node is the node of having stored system All Files, and fringe node is that the ordinary node of service is provided for user.Common, memory node is core CDN node, has stored intrasystem All Files; Fringe node is edge C DN node, due to limited storage space, edge C DN node, stored partly access than file more frequently.
Embodiment 1
The embodiment of the present invention provides a kind of CDN server scheduling method, can be applied to content delivering system, and as shown in Figure 1, CDN server scheduling method, comprising:
S101, CDN control centre obtain server scheduling instruction.
CDN is a kind of one deck intelligent virtual network on existing Internet basic forming by place node server everywhere at network.In prior art, when DangCDN control centre receives the service request that user sends, CDN control centre is user assignment server by hash algorithm conventionally, makes server provide service for user.Yet, because prior art ZhongCDN control centre can only be user assignment server by hash algorithm, therefore CDN control centre cannot be according to user's different demands, by diverse ways, it is user's dispatch server, and then cause the irrational utilization of CDN system resource, affected the performance of CDN system.
Embodiments of the invention provide a kind of CDN server scheduling method, CDN control centre can be neatly dissimilar according to server scheduling instruction, dispatch server in different ways, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.Wherein, the dissimilar different access demand that has referred to user of server scheduling instruction.
First, CDN control centre obtains server scheduling instruction.
It should be noted that, server scheduling instruction is that user inputs according to self-demand, server scheduling instruction can indicate CDN control centre to select suitable server to dispatch, so that server can response server dispatch command, for user provides service.
S102, CDN control centre determine the type of server scheduling instruction, and the type of server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction.
CDN control centre gets after server scheduling instruction, and CDN control centre can determine the type of server scheduling instruction.
Wherein, the type of server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction.Further, the type of server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of program request ordinary file and program request all belongs to program request file instruction.
Concrete, CDN control centre determines that the method for the type of server scheduling instruction will be described in detail in the following embodiments, repeat no more herein.
If the type of S103 server scheduling instruction is the instruction of program request ordinary file, CDN control centre is according to hash algorithm, and scheduling first server, so that the instruction of first server response program request ordinary file.
If the type of server scheduling instruction is the instruction of program request ordinary file, illustrate that user asks program request ordinary file, now, CDN control centre is according to hash algorithm, and scheduling first server, so that the instruction of first server response program request ordinary file.This is that the method for user assignment server is identical with prior art ZhongCDN control centre by hash algorithm.
Optionally, first server, according to hash algorithm, is dispatched by CDN control centre, specifically comprise: if the type of server scheduling instruction is the instruction of program request ordinary file, CDN control centre, according to hash algorithm, obtains result of calculation, and result of calculation is used to indicate first server; CDN control centre is according to result of calculation, and scheduling first server, so that the instruction of first server response program request ordinary file.
If the superthermal dot file instruction that is program request of the type of S104 server scheduling instruction, CDN control centre is according to polling algorithm, and scheduling second server, so that the superthermal dot file instruction of second server response program request.
A step arranged side by side with step S103, if the type of the server scheduling instruction superthermal dot file instruction that is program request, illustrate that user asks the superthermal dot file of program request, now, CDN control centre is according to polling algorithm, scheduling second server, so that the superthermal dot file instruction of second server response program request.
Optionally, CDN control centre is according to polling algorithm, and scheduling second server, specifically comprises: if the superthermal dot file instruction that is program request of the type of server scheduling instruction, CDN control centre obtains at least one second server; CDN control centre gets after at least one second server, and any one second server, according to polling algorithm, is selected at least one second server by CDN control centre; The second server that the scheduling of CDN control centre is selected, so that the superthermal dot file instruction of second server response program request.
If the type of S105 server scheduling instruction is live request instruction, CDN control centre is the live TV stream title corresponding according to live request instruction, and scheduling the 3rd server, so that the 3rd server responds live request instruction.
With step S103 and a S104 step arranged side by side, if the type of server scheduling instruction is live request instruction, illustrate that user asks to watch live, now, CDN control centre is the live TV stream title corresponding according to live request instruction, dispatch the 3rd server, so that the 3rd server responds live request instruction.
Optionally, CDN control centre is the live TV stream title corresponding according to live request instruction, dispatch the 3rd server, specifically comprise: if the type of server scheduling instruction is live request instruction, CDN control centre obtains the live TV stream title that live request instruction is corresponding; The live TV stream title that CDN control centre is corresponding according to live request instruction, searches three server corresponding with live TV stream title; CDN control centre finds after the 3rd server corresponding with live TV stream title, and CDN control centre scheduling the 3rd server, so that the 3rd server responds live request instruction.
A kind of CDN server scheduling method that the embodiment of the present invention provides, CDN server scheduling method comprises: CDN control centre obtains server scheduling instruction; CDN control centre determines the type of server scheduling instruction, and the type of server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction; If the type of server scheduling instruction is the instruction of program request ordinary file, CDN control centre is according to hash algorithm, and scheduling first server, so that the instruction of first server response program request ordinary file; Or if the superthermal dot file instruction that is program request of the type of server scheduling instruction, CDN control centre is according to polling algorithm, scheduling second server, so that the superthermal dot file instruction of second server response program request; Or if the type of server scheduling instruction is live request instruction, CDN control centre is the live TV stream title corresponding according to live request instruction, scheduling the 3rd server, so that the 3rd server responds live request instruction.
Compare with the method that prior art ZhongCDN control centre can only be user assignment server by hash algorithm, pass through this method, because CDN control centre can determine the type of server scheduling instruction, be the instruction of program request ordinary file, the superthermal dot file instruction of program request or live request instruction, and dissimilar according to server scheduling instruction neatly, dispatch server in different ways, therefore avoided the irrational situation of scheduling, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.
Embodiment 2
The embodiment of the present invention provides a kind of CDN server scheduling method, can be applied to content delivering system, and as shown in Figure 2, CDN server scheduling method, comprising:
S201, CDN control centre obtain server scheduling instruction.
In prior art, when DangCDN control centre receives the service request that user sends, CDN control centre is user assignment server by hash algorithm conventionally, makes server provide service for user.Yet, because prior art ZhongCDN control centre can only be user assignment server by hash algorithm, therefore CDN control centre cannot be according to user's different demands, by diverse ways, it is user's dispatch server, and then cause the irrational utilization of CDN system resource, affected the performance of CDN system.
Embodiments of the invention provide a kind of CDN server scheduling method, CDN control centre can be neatly dissimilar according to server scheduling instruction, dispatch server in different ways, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.Wherein, the dissimilar different access demand that has referred to user of server scheduling instruction.
First, CDN control centre obtains server scheduling instruction.
It should be noted that, server scheduling instruction is that user inputs according to self-demand, server scheduling instruction can indicate CDN control centre to select suitable server to dispatch, so that server can response server dispatch command, for user provides service.
S202, CDN control centre determine the type of server scheduling instruction, and the type of server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction.
Wherein, the type of server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of program request ordinary file and program request all belongs to program request file instruction.
CDN control centre gets after server scheduling instruction, and CDN control centre can determine the type of server scheduling instruction.
Further, the type of server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of program request ordinary file and program request all belongs to program request file instruction.
Concrete, CDN control centre determines that the step S202 of the type of server scheduling instruction can comprise step S202a-S202e:
S202a, CDN control centre judge whether the type of server scheduling instruction is program request file instruction.
Because the type of server scheduling instruction comprises program request file instruction and live request instruction, so CDN control centre is when determining the type of server scheduling instruction, first will judge whether the type of server scheduling instruction is program request file instruction.
If the type of S202b server scheduling instruction is not program request file instruction, the CDN control centre type of mark server scheduling instruction is live request instruction.
If the type of server scheduling instruction is not program request file instruction, the type that server scheduling instruction is described is not the instruction of program request ordinary file, also be not the superthermal dot file instruction of program request, therefore, the type of CDN control centre mark server scheduling instruction is live request instruction.
If the type of S202c server scheduling instruction is program request file instruction, CDN control centre obtains the type of file, and the type of file comprises ordinary file and superthermal dot file.
A step arranged side by side with step S202b, if the type of server scheduling instruction is program request file instruction, the type that server scheduling instruction is described may be the instruction of program request ordinary file, may be also the superthermal dot file instruction of program request.In order to get clearly the type of server scheduling instruction, be the instruction of program request ordinary file, or the superthermal dot file instruction of program request, CDN control centre need to obtain the type of file, and the type of file comprises ordinary file and superthermal dot file.
If the type of S202d file is ordinary file, the CDN control centre type of mark server scheduling instruction is the instruction of program request ordinary file.
If the type of file is ordinary file, the type that server scheduling instruction is described is the instruction of program request ordinary file, and the type of CDN control centre mark server scheduling instruction is the instruction of program request ordinary file.
If the type of S202e file is superthermal dot file, the CDN control centre type of mark server scheduling instruction is the superthermal dot file instruction of program request.
A step arranged side by side with step S202e, if the type of file is superthermal dot file, the type that server scheduling instruction is described is the superthermal dot file instruction of program request, the type of CDN control centre mark server scheduling instruction is the superthermal dot file instruction of program request.
If the type of S203 server scheduling instruction is the instruction of program request ordinary file, CDN control centre is according to hash algorithm, and scheduling first server, so that the instruction of first server response program request ordinary file.
If the type of server scheduling instruction is the instruction of program request ordinary file, illustrate that user asks program request ordinary file, now, CDN control centre is according to hash algorithm, and scheduling first server, so that the instruction of first server response program request ordinary file.This is that the method for user assignment server is identical with prior art ZhongCDN control centre by hash algorithm.
Concrete, if the type of server scheduling instruction is the instruction of program request ordinary file, CDN control centre is according to hash algorithm, the step S203 of scheduling first server can comprise step S203a and S203b:
If the type of S203a server scheduling instruction is the instruction of program request ordinary file, CDN control centre, according to hash algorithm, obtains result of calculation, and result of calculation is used to indicate first server.
S203b, CDN control centre are according to result of calculation, and scheduling first server, so that the instruction of first server response program request ordinary file.
If the superthermal dot file instruction that is program request of the type of S204 server scheduling instruction, CDN control centre is according to polling algorithm, and scheduling second server, so that the superthermal dot file instruction of second server response program request.
A step arranged side by side with step S203, if the type of the server scheduling instruction superthermal dot file instruction that is program request, illustrate that user asks the superthermal dot file of program request, now, CDN control centre is according to polling algorithm, scheduling second server, so that the superthermal dot file instruction of second server response program request.
Concrete, if the superthermal dot file instruction that is program request of the type of server scheduling instruction, CDN control centre is according to polling algorithm, and the step S204 of scheduling second server can comprise step S204a-S204c:
If the superthermal dot file instruction that is program request of the type of S204a server scheduling instruction, CDN control centre obtains at least one second server.
S204b, CDN control centre get after at least one second server, and any one second server, according to polling algorithm, is selected at least one second server by CDN control centre.
S204c, CDN control centre are selected after second server, and CDN control centre scheduling second server, so that the superthermal dot file instruction of second server response program request.
It should be noted that, if the superthermal dot file instruction that is program request of the type of server scheduling instruction, CDN control centre needs to call second server according to polling algorithm.Concrete, at least one second server that CDN control centre obtains is the second server to be scheduled in training in rotation algorithm.
Exemplary, CDN control centre obtains 10 second servers, and this 10 second servers, according to polling algorithm, call successively in CDN control centre, so that the superthermal dot file instruction of second server response program request.The use of the namely same superthermal dot file instruction of all transmission program requests can provide service by second server per family, thereby it is uneven to have avoided accessing the server stress that the user of superthermal dot file too much causes, and has promoted systematic function.
If the type of S205 server scheduling instruction is live request instruction, CDN control centre is the live TV stream title corresponding according to live request instruction, and scheduling the 3rd server, so that the 3rd server responds live request instruction.
With step S203 and a S204 step arranged side by side, if the type of server scheduling instruction is live request instruction, illustrate that user asks to watch live, now, CDN control centre is the live TV stream title corresponding according to live request instruction, dispatch the 3rd server, so that the 3rd server responds live request instruction.
Concrete, if the type of server scheduling instruction is live request instruction, CDN control centre is the live TV stream title corresponding according to live request instruction, and the step S205 of scheduling the 3rd server can comprise step S205a-S205c:
If the type of S205a server scheduling instruction is live request instruction, CDN control centre obtains the live TV stream title that live request instruction is corresponding.
S205b, the CDN control centre live TV stream title corresponding according to live request instruction, search three server corresponding with live TV stream title.
S205c, CDN control centre find after the 3rd server corresponding with live TV stream title, and CDN control centre scheduling the 3rd server, so that the 3rd server responds live request instruction.
Exemplary, if the type of server scheduling instruction is live request instruction, live TV stream name corresponding to live request instruction that CDN control centre obtains is called A.The live TV stream title A that CDN control centre is corresponding according to live request instruction, finds three server corresponding with live TV stream title A, and therefore, CDN control centre scheduling the 3rd server, so that the 3rd server responds live request instruction.The use that namely the live request instruction of all transmissions asks live TV stream name to be called A can provide service by the 3rd server per family, thereby has promoted the buffer efficiency of live TV stream, has promoted systematic function.
A kind of CDN server scheduling method that the embodiment of the present invention provides, CDN server scheduling method comprises: CDN control centre obtains server scheduling instruction; CDN control centre determines the type of server scheduling instruction, and the type of server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction; If the type of server scheduling instruction is the instruction of program request ordinary file, CDN control centre is according to hash algorithm, and scheduling first server, so that the instruction of first server response program request ordinary file; Or if the superthermal dot file instruction that is program request of the type of server scheduling instruction, CDN control centre is according to polling algorithm, scheduling second server, so that the superthermal dot file instruction of second server response program request; Or if the type of server scheduling instruction is live request instruction, CDN control centre is the live TV stream title corresponding according to live request instruction, scheduling the 3rd server, so that the 3rd server responds live request instruction.
Compare with the method that prior art ZhongCDN control centre can only be user assignment server by hash algorithm, pass through this method, because CDN control centre can determine the type of server scheduling instruction, be the instruction of program request ordinary file, the superthermal dot file instruction of program request or live request instruction, and dissimilar according to server scheduling instruction neatly, dispatch server in different ways, therefore avoided the irrational situation of scheduling, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.
Embodiment 3
The embodiment of the present invention provides a kind of CDN control centre, can be applied to content delivering system, and as shown in Figure 3, described CDN control centre comprises:
The first scheduler module 12, if be the instruction of program request ordinary file for the type of described server scheduling instruction, according to hash algorithm, scheduling first server, so that described first server responds the instruction of described program request ordinary file.
The second scheduler module 13, if be the superthermal dot file instruction of program request for the type of described server scheduling instruction, according to polling algorithm, scheduling second server, so that described second server responds the superthermal dot file instruction of described program request.
The 3rd scheduler module 14, if be live request instruction for the type of described server scheduling instruction, the live TV stream title corresponding according to described live request instruction, dispatches the 3rd server, so that the described live request instruction of described the 3rd server response.
Further, the type of described server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of described program request ordinary file and program request all belongs to described program request file instruction.
As shown in Figure 4, described determination module 11, specifically comprises:
Judge module 110, for judging whether the type of described server scheduling instruction is program request file instruction.
The first mark module 111, if be not described program request file instruction for the type of described server scheduling instruction, described in mark, the type of server scheduling instruction is described live request instruction.
Obtain submodule 112, if be described program request file instruction for the type of described server scheduling instruction, obtain the type of file, the type of described file comprises ordinary file and superthermal dot file.
The second mark module 113, if be described ordinary file for the type of described file, described in mark, the type of server scheduling instruction is the instruction of described program request ordinary file.
The 3rd mark module 114, if be described superthermal dot file for the type of described file, described in mark, the type of server scheduling instruction is the superthermal dot file instruction of described program request.
Further, as shown in Figure 5, described the first scheduler module 12, specifically comprises:
Result of calculation acquisition module 120, if be the instruction of program request ordinary file for the type of described server scheduling instruction, according to hash algorithm, obtains result of calculation, and described result of calculation is used to indicate described first server.
The first scheduling sublayer module 121, for according to described result of calculation, dispatches described first server, so that described first server responds the instruction of described program request ordinary file.
Further, as shown in Figure 6, described the second scheduler module 13, specifically comprises:
Server acquisition module 130, if be the superthermal dot file instruction of program request for the type of described server scheduling instruction, obtains second server described at least one.
Select module 131, for getting at described server acquisition module 130 described at least one after second server, according to described polling algorithm, described at least one, in second server, select second server described in any one.
The second scheduling sublayer module 132, for selecting after described second server in described selection module 131, dispatches described second server, so that described second server responds the superthermal dot file instruction of described program request.
Further, as shown in Figure 7, described the 3rd scheduler module 14, specifically comprises:
Live TV stream name acquiring module 140, if be live request instruction for the type of described server scheduling instruction, obtains the described live TV stream title that described live request instruction is corresponding.
Search module 141, for the described live TV stream title corresponding according to described live request instruction, search described three server corresponding with described live TV stream title.
The 3rd scheduling sublayer module 142, for finding after described the 3rd server corresponding with described live TV stream title in the described module 141 of searching, dispatches described the 3rd server, so that the described live request instruction of described the 3rd server response.
A kind of CDN control centre that the embodiment of the present invention provides, CDN control centre comprises: acquisition module, for obtaining server scheduling instruction; Determination module, for determining the type of server scheduling instruction, the type of server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction; The first scheduler module, if be the instruction of program request ordinary file for the type of server scheduling instruction, according to hash algorithm, scheduling first server, so that the instruction of first server response program request ordinary file; The second scheduler module, if be the superthermal dot file instruction of program request for the type of server scheduling instruction, according to polling algorithm, scheduling second server, so that the superthermal dot file instruction of second server response program request; The 3rd scheduler module, if be live request instruction for the type of server scheduling instruction, the live TV stream title corresponding according to live request instruction, dispatches the 3rd server, so that the 3rd server responds live request instruction.
Compare with the method that prior art ZhongCDN control centre can only be user assignment server by hash algorithm, pass through this method, because CDN control centre can determine the type of server scheduling instruction, be the instruction of program request ordinary file, the superthermal dot file instruction of program request or live request instruction, and dissimilar according to server scheduling instruction neatly, dispatch server in different ways, therefore avoided the irrational situation of scheduling, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.
Embodiment 4
The embodiment of the present invention provides a kind of CDN system, comprise the described CDN control centre with above-mentioned arbitrary feature, for responding the first server of program request ordinary file instruction, for responding the second server of the superthermal dot file instruction of program request, and the 3rd server that responds live request instruction.
Compare with the method that prior art ZhongCDN control centre can only be user assignment server by hash algorithm, pass through this method, because CDN control centre can determine the type of server scheduling instruction, be the instruction of program request ordinary file, the superthermal dot file instruction of program request or live request instruction, and dissimilar according to server scheduling instruction neatly, dispatch server in different ways, therefore avoided the irrational situation of scheduling, the balanced access pressure of content delivering system, reasonably utilize system resource, promoted the performance of CDN system.
Through the above description of the embodiments, those skilled in the art can be well understood to, for convenience and simplicity of description, only the division with above-mentioned each functional module is illustrated, in practical application, can above-mentioned functions be distributed and by different functional modules, completed as required, the internal structure that is about to device be divided into different functional modules, to complete all or part of function described above.The system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described module or unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and also can adopt the form of SFU software functional unit to realize.
If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the all or part of of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (11)
1. a CDN server scheduling method, is characterized in that, is applied to content delivering system, and described method comprises:
CDN control centre obtains server scheduling instruction;
Described CDN control centre determines the type of described server scheduling instruction, and the type of described server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction;
If the type of described server scheduling instruction is the instruction of program request ordinary file, described CDN control centre is according to hash algorithm, and scheduling first server, so that described first server responds the instruction of described program request ordinary file; Or,
If the superthermal dot file instruction that is program request of the type of described server scheduling instruction, described CDN control centre is according to polling algorithm, and scheduling second server, so that described second server responds the superthermal dot file instruction of described program request; Or,
If the type of described server scheduling instruction is live request instruction, described CDN control centre is the live TV stream title corresponding according to described live request instruction, and scheduling the 3rd server, so that the described live request instruction of described the 3rd server response.
2. CDN server scheduling method according to claim 1, is characterized in that, the type of described server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of described program request ordinary file and program request all belongs to described program request file instruction;
Described CDN control centre determines the type of described server scheduling instruction, specifically comprises:
Described CDN control centre judges whether the type of described server scheduling instruction is program request file instruction;
If the type of described server scheduling instruction is not described program request file instruction, described CDN control centre described in mark the type of server scheduling instruction be described live request instruction; Or,
If the type of described server scheduling instruction is described program request file instruction, described CDN control centre obtains the type of file, and the type of described file comprises ordinary file and superthermal dot file;
If the type of described file is described ordinary file, described CDN control centre described in mark the type of server scheduling instruction be the instruction of described program request ordinary file; Or,
If the type of described file is described superthermal dot file, described CDN control centre described in mark the type of server scheduling instruction be the superthermal dot file instruction of described program request.
3. CDN server scheduling method according to claim 1, is characterized in that, if the type of described server scheduling instruction is the instruction of program request ordinary file, described CDN control centre is according to hash algorithm, and scheduling first server, specifically comprises:
If the type of described server scheduling instruction is the instruction of program request ordinary file, described CDN control centre, according to hash algorithm, obtains result of calculation, and described result of calculation is used to indicate described first server;
Described first server, according to described result of calculation, is dispatched, so that described first server responds the instruction of described program request ordinary file by described CDN control centre.
4. CDN server scheduling method according to claim 1, is characterized in that, if the superthermal dot file instruction that is program request of the type of described server scheduling instruction, described CDN control centre is according to polling algorithm, and scheduling second server, specifically comprises:
If the superthermal dot file instruction that is program request of the type of described server scheduling instruction, described CDN control centre obtains second server described at least one;
In described CDN control centre, get described at least one after second server, described CDN control centre is according to described polling algorithm, selects second server described in any one described at least one in second server;
In described CDN control centre, select after described second server, described second server is dispatched by described CDN control centre, so that described second server responds the superthermal dot file instruction of described program request.
5. CDN server scheduling method according to claim 1, it is characterized in that, if the type of described server scheduling instruction is live request instruction, described CDN control centre is the live TV stream title corresponding according to described live request instruction, dispatch the 3rd server, specifically comprise:
If the type of described server scheduling instruction is live request instruction, described CDN control centre obtains the described live TV stream title that described live request instruction is corresponding;
The described CDN control centre described live TV stream title corresponding according to described live request instruction, searches described three server corresponding with described live TV stream title;
In described CDN control centre, find after described the 3rd server corresponding with described live TV stream title, described the 3rd server is dispatched by described CDN control centre, so that the described live request instruction of described the 3rd server response.
6.Yi Zhong CDN control centre, is characterized in that, is applied to content delivering system, and described CDN control centre comprises:
Acquisition module, for obtaining server scheduling instruction;
Determination module, for determining the type of described server scheduling instruction, the type of described server scheduling instruction comprises the instruction of program request ordinary file, the superthermal dot file instruction of program request and live request instruction;
The first scheduler module, if be the instruction of program request ordinary file for the type of described server scheduling instruction, according to hash algorithm, scheduling first server, so that described first server responds the instruction of described program request ordinary file;
The second scheduler module, if be the superthermal dot file instruction of program request for the type of described server scheduling instruction, according to polling algorithm, scheduling second server, so that described second server responds the superthermal dot file instruction of described program request;
The 3rd scheduler module, if be live request instruction for the type of described server scheduling instruction, the live TV stream title corresponding according to described live request instruction, dispatches the 3rd server, so that the described live request instruction of described the 3rd server response.
7. CDN according to claim 6 control centre, is characterized in that, the type of described server scheduling instruction also comprises program request file instruction, and the superthermal dot file instruction of the instruction of described program request ordinary file and program request all belongs to described program request file instruction;
Described determination module, specifically comprises:
Judge module, for judging whether the type of described server scheduling instruction is program request file instruction;
The first mark module, if be not described program request file instruction for the type of described server scheduling instruction, described in mark, the type of server scheduling instruction is described live request instruction;
Obtain submodule, if be described program request file instruction for the type of described server scheduling instruction, obtain the type of file, the type of described file comprises ordinary file and superthermal dot file;
The second mark module, if be described ordinary file for the type of described file, described in mark, the type of server scheduling instruction is the instruction of described program request ordinary file;
The 3rd mark module, if be described superthermal dot file for the type of described file, described in mark, the type of server scheduling instruction is the superthermal dot file instruction of described program request.
8. CDN according to claim 6 control centre, is characterized in that, described the first scheduler module, specifically comprises:
Result of calculation acquisition module, if be the instruction of program request ordinary file for the type of described server scheduling instruction, according to hash algorithm, obtains result of calculation, and described result of calculation is used to indicate described first server;
The first scheduling sublayer module, for according to described result of calculation, dispatches described first server, so that described first server responds the instruction of described program request ordinary file.
9. CDN according to claim 6 control centre, is characterized in that, described the second scheduler module, specifically comprises:
Server acquisition module, if be the superthermal dot file instruction of program request for the type of described server scheduling instruction, obtains second server described at least one;
Select module, for getting at described server acquisition module described at least one after second server, according to described polling algorithm, described at least one, in second server, select second server described in any one;
The second scheduling sublayer module, for selecting after described second server in described selection module, dispatches described second server, so that described second server responds the superthermal dot file instruction of described program request.
10. CDN according to claim 6 control centre, is characterized in that, described the 3rd scheduler module, specifically comprises:
Live TV stream name acquiring module, if be live request instruction for the type of described server scheduling instruction, obtains the described live TV stream title that described live request instruction is corresponding;
Search module, for the described live TV stream title corresponding according to described live request instruction, search described three server corresponding with described live TV stream title;
The 3rd scheduling sublayer module, for arriving after described the 3rd server corresponding with described live TV stream title in the described module searches of searching, dispatches described the 3rd server, so that the described live request instruction of described the 3rd server response.
11. 1 kinds of CDN systems, it is characterized in that, comprise the CDN control centre having as described in any one in claim 6-10, for responding the first server of program request ordinary file instruction, for responding the second server of the superthermal dot file instruction of program request, and the 3rd server that responds live request instruction.
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