CN103746870A - CDN delivery network analysis method, file delivery control center and system - Google Patents
CDN delivery network analysis method, file delivery control center and system Download PDFInfo
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Abstract
The embodiment of the invention provides a CDN delivery network analysis method, a file delivery control center and a system and relates to the field of network multimedia technology. By the file delivery control center, network conditions between an edge node and at least a memory mode can be obtained. And then, a reference for obtaining files is provided for the edge node; stability for the edge node obtaining files is enhanced; and performance of a CDN system is improved. The method comprises the following steps: at least a memory node is configured for an edge node by the file delivery control center; after at least a memory node is configured for the edge node by the file delivery control center, the file delivery control center sends a network testing instruction to the edge node such that the edge node tests the network between the edge node and the at least one memory node; the file delivery control center receives a network test result sent by the edge node; and the file delivery control center analyzes the network test result after the file delivery control center receives the network test result sent by the edge node.
Description
Technical field
The present invention relates to network multimedia technology field, relate in particular to analytical method, file distributing control centre and the system of CDN distributing network.
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, file distributing control centre, in distribution of document, need to decide fringe node which memory node to remove to obtain file to by CDN distributing network conventionally.General, the near memory node of isolated edge node can be selected by file distributing control centre, and indicates fringe node to remove to obtain file to this memory node.
But, because prior art cannot obtain the network condition between fringe node and each memory node, therefore cannot analyze and show that network condition obtains the impact of file for fringe node, aggravate fringe node and obtain the unsteadiness of file, reduce the performance of CDN system.
Summary of the invention
Embodiments of the invention provide analytical method, file distributing control centre and the system of CDN distributing network, file distributing control centre can obtain the network condition between fringe node and at least one memory node, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, 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 analytical method of CDN distributing network, is applied to content delivering system, and described method comprises:
File distributing control centre is that fringe node configures at least one memory node;
In described file distributing control centre, be that described fringe node configures after at least one memory node, extremely described fringe node of described file distributing control centre's transmission network test instruction, to make described fringe node test described fringe node and the network between memory node described at least one;
Described file distributing control centre receives the network test result that described fringe node sends;
In described file distributing control centre, receive after the network test result that described fringe node sends, described file distributing control centre analyzes described network test result.
In the possible implementation of the first, according to first aspect, described network test result at least comprises: described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one;
Described file distributing control centre analyzes described network test result, specifically comprises:
Described file distributing control centre obtains described fringe node and the distance between memory node described at least one;
Described file distributing control centre is according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, obtain described fringe node and the stability of transfer of data between memory node described at least one.
In the possible implementation of the second, in conjunction with first aspect or the possible implementation of the first, described file distributing control centre obtains described fringe node and the stability of transfer of data between memory node described at least one, specifically comprises:
Described file distributing control centre is according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, calculate described fringe node and the coefficient of stabilization of transfer of data between memory node described at least one;
Described file distributing control centre according to order from big to small to described fringe node and described at least one between memory node the coefficient of stabilization of transfer of data sort.
In the third possible implementation, in conjunction with first aspect or possible implementation or the possible implementation of the second of the first, after in described file distributing control centre, according to order from big to small, to described fringe node and described at least one, between memory node, the coefficient of stabilization of transfer of data sorts, described method also comprises:
Described file distributing control centre Transmit message obtains instruction to described fringe node, to make described fringe node obtain file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
Second aspect, the embodiment of the present invention provides a kind of analytical method of CDN distributing network, is applied to content delivering system, and described method comprises:
Fringe node obtains at least one memory node that file distributing control centre is described fringe node configuration;
At described fringe node, getting described file distributing control centre is described at least one of described fringe node configuration after memory node, and described fringe node receives the network test instruction that described file distributing control centre sends;
Described fringe node is tested described fringe node and the network between memory node described at least one;
Described fringe node sends the extremely described file distributing of network test result control centre;
At described fringe node, send network test result to described file distributing control centre, described fringe node receives the file acquisition instruction that described file distributing control centre sends;
Described fringe node obtains file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the described memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
The third aspect, the embodiment of the present invention provides a kind of file distributing control centre, is applied to content delivering system, and described file distributing control centre comprises:
Configuration module, is used to fringe node to configure at least one memory node;
The first sending module, being used for is that described fringe node configures after at least one memory node at described configuration module, send network test instruction to described fringe node, to make described fringe node test described fringe node and the network between memory node described at least one;
Receiver module, the network test result sending for receiving described fringe node;
Analysis module, for receiving at described receiver module after the network test result of described fringe node transmission, analyzes described network test result.
In the possible implementation of the first, according to the third aspect, described network test result at least comprises: described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one;
Described analysis module, specifically comprises:
The first acquisition module, for obtaining described fringe node and the distance between memory node described at least one;
The second acquisition module, be used for according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, obtain described fringe node and the stability of transfer of data between memory node described at least one.
In the possible implementation of the second, in conjunction with the third aspect or the possible implementation of the first, described the second acquisition module, specifically comprises:
Computing module, be used for according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, calculate described fringe node and the coefficient of stabilization of transfer of data between memory node described at least one;
Order module, for the order according to from big to small to described fringe node and described at least one between memory node the coefficient of stabilization of transfer of data sort.
In the third possible implementation, in conjunction with the third aspect or possible implementation or the possible implementation of the second of the first, described file distributing control centre, also comprises:
The second sending module, after in described order module, according to order from big to small, to described fringe node and described at least one, between memory node, the coefficient of stabilization of transfer of data sorts, Transmit message obtains instruction to described fringe node, to make described fringe node obtain file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
Fourth aspect, the embodiment of the present invention provides a kind of fringe node, is applied to content delivering system, and described fringe node comprises:
The first acquisition module, for obtaining at least one memory node that file distributing control centre is described fringe node configuration;
The first receiver module, is described at least one of described fringe node configuration after memory node for get described file distributing control centre at described the first acquisition module, receives the network test instruction that described file distributing control centre sends;
Test module, for testing described fringe node and the network between memory node described at least one;
Sending module, for testing described fringe node and the network between memory node described at least one;
The second receiver module, for sending network test result at described sending module to described file distributing control centre, receives the file acquisition instruction that described file distributing control centre sends;
The second acquisition module, for obtaining file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the described memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
The 5th aspect, the embodiment of the present invention provides a kind of content delivering system, comprise the described file distributing control centre with above-mentioned arbitrary feature, there is the described fringe node of above-mentioned arbitrary feature, and described at least one, file distributing control centre configures the memory node to described fringe node.
Analytical method, file distributing control centre and the system of the CDN distributing network that the embodiment of the present invention provides, the method comprises: file distributing control centre is that fringe node configures at least one memory node; In file distributing control centre, be that fringe node configures after at least one memory node, file distributing control centre sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node; File distributing control centre receives the network test result that fringe node sends; In file distributing control centre, receive after the network test result of fringe node transmission, file distributing control centre analyzes network test result.
With file Distribution Control Center in prior art compared with cannot obtaining the method for the network condition between fringe node and each memory node in distribution of document, pass through this method, file distributing control centre can receive the network test result that described fringe node sends, and network test result is analyzed, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, 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 the analytical method of a kind of CDN distributing network in the embodiment of the present invention 1;
Fig. 2 is the schematic flow sheet of the analytical method of a kind of CDN distributing network in the embodiment of the present invention 2;
Fig. 3 is the schematic flow sheet of the analytical method of a kind of CDN distributing network in the embodiment of the present invention 3;
Fig. 4 is the structural representation one of a kind of file distributing control centre in the embodiment of the present invention 4;
Fig. 5 is the structural representation two of a kind of file distributing control centre in the embodiment of the present invention 4;
Fig. 6 is the structural representation three of a kind of file distributing control centre in the embodiment of the present invention 4;
Fig. 7 is the structural representation four of a kind of file distributing control centre in the embodiment of the present invention 4;
Fig. 8 is the structural representation of a kind of fringe node in the embodiment of the present invention 5.
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.Based on the embodiment 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 "/" herein, generally represents that forward-backward correlation is to liking a kind of relation of "or".
The file distributing control centre that the present invention mentions carries out management and the control of CDN system, and memory node is the node that provides file to download for fringe node, and fringe node is the ordinary node that service is provided for user.Common, memory node is core CDN node, has stored intrasystem All Files; Fringe node is edge C DN node, for user access.The embodiment of the present invention is exactly is core CDN node with memory node, and fringe node is that edge C DN node is example, carries out specific embodiment of the invention description.
Embodiment 1
The embodiment of the present invention provides a kind of analytical method of CDN distributing network, can be applied to content delivering system, and as shown in Figure 1, the analytical method of CDN distributing network, comprising:
S101, file distributing control centre are that fringe node configures at least one memory node.
CDN is a kind of one deck intelligent virtual network on existing Internet basic forming by place node server everywhere at network.In the prior art, file distributing control centre conventionally need to decide fringe node which memory node to remove to obtain file to by CDN distributing network in distribution of document.Common, the near memory node of isolated edge node can be selected by file distributing control centre, and indicates fringe node to remove to obtain file to this memory node.But, because prior art cannot obtain the network condition between fringe node and each memory node, therefore cannot analyze and show that network condition obtains the impact of file for fringe node, aggravate fringe node and obtain the unsteadiness of file, reduce the performance of CDN system.
The embodiment of the present invention provides a kind of analytical method of CDN distributing network, file distributing control centre can obtain the network condition between fringe node and at least one memory node, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
First, file distributing control centre is that fringe node configures at least one memory node.
It should be noted that, content delivering system comprises file distributing control centre, at least one fringe node, and at least one memory node.Fringe node, under the indication of content delivering system, can obtain file from memory node, and same fringe node can link with multiple memory nodes.The embodiment of the present invention, take a fringe node as example, carrys out supporting paper Distribution Control Center and how to obtain the network condition between fringe node and at least one memory node, and then provides reference for fringe node obtains file.File distributing control centre is that fringe node configures at least one memory node, represents that file distributing control centre will obtain the network condition between fringe node and at least one memory node.
S102, in file distributing control centre, be that fringe node configures after at least one memory node, file distributing control centre sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node.
In file distributing control centre, be that fringe node configures after at least one memory node, file distributing control centre sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node.
It should be noted that, file distributing control centre sends network test instruction to fringe node, network test instruction indication fringe node is measured the network between fringe node and at least one memory node, to make the network between fringe node testing edge node and at least one memory node.
Exemplary, if the quantity that file distributing control centre is the memory node of fringe node configuration is 3, network test instruction indication fringe node is measured the network between fringe node and this 3 memory nodes.
S103, file distributing control centre receive the network test result that fringe node sends.
Further, network test result at least comprises: drop probabilities and the time delay of transfer of data between fringe node and at least one memory node.Wherein, drop probabilities refers to that fringe node and memory node carry out transfer of data time institute lost data packets quantity and account for the ratio of sent packet.
It should be noted that, the file distributing control centre mentioning in the embodiment of the present invention comprises the Distribution Center for control documents distribution, also comprise for sending network test instruction, collecting the network test result that fringe node sends, and network test result is carried out to the daily record center of analyzing and processing.File distributing control centre receives the network test result that fringe node sends, and by daily record center, carrys out receiving and analyzing.
S104, in file distributing control centre, receive after the network test result that fringe node sends, file distributing control centre analyzes network test result.
In file distributing control centre, receive after the network test result of fringe node transmission, file distributing control centre analyzes network test result.
Further, file distributing control centre analyzes network test result, specifically can comprise: file distributing control centre obtains the distance between fringe node and at least one memory node; File distributing control centre is according to drop probabilities and the time delay of transfer of data between fringe node and at least one memory node, distance between jointing edge node and at least one memory node, obtains the stability of transfer of data between fringe node and at least one memory node.
Concrete, the process how file distributing control centre analyzes network test result will be described in detail in the following embodiments, repeat no more herein.
The analytical method of a kind of CDN distributing network that the embodiment of the present invention provides, the method comprises: file distributing control centre is that fringe node configures at least one memory node; In file distributing control centre, be that fringe node configures after at least one memory node, file distributing control centre sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node; File distributing control centre receives the network test result that fringe node sends; In file distributing control centre, receive after the network test result of fringe node transmission, file distributing control centre analyzes network test result.
With file Distribution Control Center in prior art compared with cannot obtaining the method for the network condition between fringe node and each memory node in distribution of document, pass through this method, file distributing control centre can receive the network test result that fringe node sends, and network test result is analyzed, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
Embodiment 2
The embodiment of the present invention provides a kind of analytical method of CDN distributing network, can be applied to content delivering system, and as shown in Figure 2, the analytical method of CDN distributing network, comprising:
S201, file distributing control centre are that fringe node configures at least one memory node.
The embodiment of the present invention provides a kind of analytical method of CDN distributing network, file distributing control centre can obtain the network condition between fringe node and at least one memory node, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
First, file distributing control centre is that fringe node configures at least one memory node.
It should be noted that, content delivering system comprises file distributing control centre, at least one fringe node, and at least one memory node.Fringe node, under the indication of content delivering system, can obtain file from memory node, and same fringe node can link with multiple memory nodes.The embodiment of the present invention, take a fringe node as example, carrys out supporting paper Distribution Control Center and how to obtain the network condition between fringe node and at least one memory node, and then provides reference for fringe node obtains file.File distributing control centre is that fringe node configures at least one memory node, represents that file distributing control centre will obtain the network condition between fringe node and at least one memory node.
S202, in file distributing control centre, be that fringe node configures after at least one memory node, file distributing control centre sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node.
In file distributing control centre, be that fringe node configures after at least one memory node, file distributing control centre sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node.
It should be noted that, file distributing control centre sends network test instruction to fringe node, network test instruction indication fringe node is measured the network between fringe node and at least one memory node, to make the network between fringe node testing edge node and at least one memory node.
Exemplary, if the quantity that file distributing control centre is the memory node of fringe node configuration is 3, network test instruction indication fringe node is measured the network between fringe node and this 3 memory nodes.
S203, file distributing control centre receive the network test result that fringe node sends.
Further, network test result at least comprises: drop probabilities and the time delay of transfer of data between fringe node and at least one memory node.Wherein, drop probabilities refers to that fringe node and memory node carry out transfer of data time institute lost data packets quantity and account for the ratio of sent packet.
It should be noted that, the file distributing control centre mentioning in the embodiment of the present invention comprises the Distribution Center for control documents distribution, also comprise for sending network test instruction, collecting the network test result that fringe node sends, and network test result is carried out to the daily record center of analyzing and processing.File distributing control centre receives the network test result that fringe node sends, and by daily record center, carrys out receiving and analyzing.
S204, in file distributing control centre, receive after the network test result that fringe node sends, file distributing control centre analyzes network test result.
Wherein, network test result at least comprises: drop probabilities and the time delay of transfer of data between fringe node and at least one memory node.
Concrete, the step S204 that file distributing control centre analyzes network test result can comprise step S204a and S204b:
S204a, file distributing control centre obtain the distance between fringe node and at least one memory node.
S204b, file distributing control centre are according to drop probabilities and the time delay of transfer of data between fringe node and at least one memory node, distance between jointing edge node and at least one memory node, obtains the stability of transfer of data between fringe node and at least one memory node.
File distributing control centre analyzes network test result, by drop probabilities and the time delay of transfer of data between fringe node and at least one memory node, and comprehensive analyze of the distance between fringe node and at least one memory node draw, thereby file distributing control centre can obtain the stability of transfer of data between fringe node and at least one memory node.
Exemplary, if the quantity that file distributing control centre is the memory node of fringe node configuration is 3, be respectively memory node A, memory node B and memory node C.Network test result comprises drop probabilities and the time delay between fringe node and this 3 memory nodes, i.e. drop probabilities A between fringe node and memory node A and time delay A; Drop probabilities B between fringe node and memory node B and time delay B; Drop probabilities C between fringe node and memory node C and time delay C.Distance between fringe node and this 3 memory nodes is respectively D1, D2 and D3.Therefore, file distributing control centre can be by above-mentioned data, the comprehensive stability that draws the transfer of data between fringe node and this 3 memory nodes of analyzing.
Concrete, the step S204b that file distributing control centre obtains the stability of transfer of data between fringe node and at least one memory node can comprise step S204ba and S204bb:
S204ba, file distributing control centre are according to drop probabilities and the time delay of transfer of data between fringe node and at least one memory node, distance between jointing edge node and at least one memory node, the coefficient of stabilization of transfer of data between edge calculation node and at least one memory node.
File distributing control centre is according to drop probabilities and the time delay of transfer of data between fringe node and at least one memory node, distance between jointing edge node and at least one memory node, can calculate the coefficient of stabilization of transfer of data between fringe node and at least one memory node.
It should be noted that, due to drop probabilities and the time delay of transfer of data between fringe node and memory node, and between the while of the distance between fringe node and memory node edge node and memory node, the coefficient of stabilization of transfer of data exerts an influence, therefore, can be according to the setting of content delivering system, or user's demand, selects corresponding account form to draw the coefficient of stabilization of transfer of data between fringe node and at least one memory node.For example, if take the transmission timeliness of data between fringe node and memory node as main, between fringe node and memory node, the time delay of transfer of data is main basis, and the distance between drop probabilities and fringe node and memory node is auxiliary basis; If take the transmission accuracy rate of data between fringe node and memory node as main, between fringe node and memory node, the drop probabilities of transfer of data is main basis, the distance between time delay and fringe node and memory node is auxiliary basis; The present invention does not limit.
Exemplary, if the quantity that file distributing control centre is the memory node of fringe node configuration is 3, be respectively memory node A, memory node B and memory node C.Network test result comprises drop probabilities and the time delay between fringe node and this 3 memory nodes, i.e. drop probabilities A between fringe node and memory node A and time delay A; Drop probabilities B between fringe node and memory node B and time delay B; Drop probabilities C between fringe node and memory node C and time delay C.Distance between fringe node and this 3 memory nodes is respectively D1, D2 and D3.Therefore, file distributing control centre can be by above-mentioned data, according to certain computational methods, and the coefficient of stabilization of transfer of data between edge calculation node and at least one memory node.
S204bb, file distributing control centre sort according to the coefficient of stabilization of transfer of data between order edge node from big to small and at least one memory node.
In file distributing control centre, calculate after the coefficient of stabilization of transfer of data between fringe node and at least one memory node, file distributing control centre sorts according to the coefficient of stabilization of transfer of data between order edge node from big to small and at least one memory node, be file distributing control centre according to network quality from excellent to poor order, between edge node and at least one memory node, the coefficient of stabilization of transfer of data sorts.
When being fringe node distribution of document, for convenience file Distribution Control Center fast finding goes out with fringe node, carry out the memory node that the coefficient of stabilization of transfer of data is high, file distributing control centre can also sort according to the coefficient of stabilization of transfer of data between order edge node from big to small and at least one memory node.
S205, file distributing control centre Transmit message obtain instruction to fringe node, to make fringe node obtain file from obtaining the indicated memory node of instruction.
Wherein, obtain the memory node that the indicated memory node of instruction is the coefficient of stabilization maximum of transfer of data between fringe node and at least one memory node.
The file acquisition instruction indication fringe node sending due to file distributing control centre obtains file from the memory node of the coefficient of stabilization maximum of carrying out transfer of data with it, therefore, to obtain the stability of file the highest from obtaining the indicated memory node of instruction for fringe node, for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
It should be noted that, fringe node at least comprises multimedia file from the file that obtains the indicated memory node of instruction and obtain; The quantity of file can be one, also can be for being greater than one any amount; The present invention does not limit.
The analytical method of a kind of CDN distributing network that the embodiment of the present invention provides, the method comprises: file distributing control centre is that fringe node configures at least one memory node; In file distributing control centre, be that fringe node configures after at least one memory node, file distributing control centre sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node; File distributing control centre receives the network test result that fringe node sends; In file distributing control centre, receive after the network test result of fringe node transmission, file distributing control centre analyzes network test result.
With file Distribution Control Center in prior art compared with cannot obtaining the method for the network condition between fringe node and each memory node in distribution of document, pass through this method, file distributing control centre can receive the network test result that fringe node sends, and network test result is analyzed, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
Embodiment 3
The embodiment of the present invention provides a kind of analytical method of CDN distributing network, can be applied to content delivering system, and as shown in Figure 3, the analytical method of CDN distributing network, comprising:
S301, fringe node obtain at least one memory node that file distributing control centre is fringe node configuration.
The embodiment of the present invention provides a kind of analytical method of CDN distributing network, file distributing control centre can obtain the network condition between fringe node and at least one memory node, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
First, fringe node obtains at least one memory node that file distributing control centre is fringe node configuration.
It should be noted that, content delivering system comprises file distributing control centre, at least one fringe node, and at least one memory node.Fringe node, under the indication of content delivering system, can obtain file from memory node, and same fringe node can link with multiple memory nodes.The embodiment of the present invention, take a fringe node as example, carrys out supporting paper Distribution Control Center and how to obtain the network condition between fringe node and at least one memory node, and then provides reference for fringe node obtains file.
S302, at fringe node, get after at least one memory node that file distributing control centre is fringe node configuration, fringe node receives the network test instruction that file distributing control centre sends.
It should be noted that, the file distributing control centre mentioning in the embodiment of the present invention comprises the Distribution Center for control documents distribution, also comprise for sending network test instruction, collecting the network test result that fringe node sends, and network test result is carried out to the daily record center of analyzing and processing.File distributing control centre receives the network test result that fringe node sends, and by daily record center, carrys out receiving and analyzing.
Network between S303, fringe node testing edge node and at least one memory node.
At fringe node, get after at least one memory node that file distributing control centre is fringe node configuration, fringe node can receive the network test instruction that file distributing control centre sends, and the network between testing edge node and at least one memory node.
It should be noted that, the network test instruction indication fringe node that file distributing control centre sends is measured the network between fringe node and at least one memory node.Exemplary, if the quantity that file distributing control centre is the memory node of fringe node configuration is 3, network test instruction indication fringe node is measured the network between fringe node and this 3 memory nodes.
S304, fringe node send network test result to file distributing control centre.
Further, network test result at least comprises: drop probabilities and the time delay of transfer of data between fringe node and at least one memory node.Wherein, drop probabilities refers to that fringe node and memory node carry out transfer of data time institute lost data packets quantity and account for the ratio of sent packet.
S305, at fringe node, send network test result to file distributing control centre, fringe node receives the file acquisition instruction that file distributing control centre sends.
S306, fringe node obtain file from obtaining the indicated memory node of instruction.
Wherein, obtain the memory node that the indicated memory node of instruction is the coefficient of stabilization maximum of transfer of data between fringe node and at least one memory node.
Known from above-described embodiment, the file acquisition instruction indication fringe node sending due to file distributing control centre obtains file from the memory node of the coefficient of stabilization maximum of carrying out transfer of data with it, therefore, to obtain the stability of file the highest from obtaining the indicated memory node of instruction for fringe node, for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
It should be noted that, fringe node at least comprises multimedia file from the file that obtains the indicated memory node of instruction and obtain; The quantity of file can be one, also can be for being greater than one any amount; The present invention does not limit.
The analytical method of a kind of CDN distributing network that the embodiment of the present invention provides, the method comprises: fringe node obtains at least one memory node that file distributing control centre is fringe node configuration; At fringe node, get after at least one memory node that file distributing control centre is fringe node configuration, fringe node receives the network test instruction that file distributing control centre sends; Network between fringe node testing edge node and at least one memory node; Fringe node sends network test result to file distributing control centre; At fringe node, send network test result to file distributing control centre, fringe node receives the file acquisition instruction that file distributing control centre sends; Fringe node obtains file from obtaining the indicated memory node of instruction; Wherein, obtain the memory node that the indicated memory node of instruction is the coefficient of stabilization maximum of transfer of data between fringe node and at least one memory node.
With file Distribution Control Center in prior art compared with cannot obtaining the method for the network condition between fringe node and each memory node in distribution of document, pass through this method, file distributing control centre can receive the network test result that fringe node sends, and network test result is analyzed, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
Embodiment 4
The embodiment of the present invention provides a kind of file distributing control centre, is applied to content delivering system, and as shown in Figure 4, described file distributing control centre comprises:
The first sending module 11, for configuring after at least one memory node for described fringe node at described configuration module 10, send network test instruction to described fringe node, to make described fringe node test described fringe node and the network between memory node described at least one.
Further, described network test result at least comprises: described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one.
As shown in Figure 5, described analysis module 13, specifically comprises:
The first acquisition module 130, for obtaining described fringe node and the distance between memory node described at least one.
The second acquisition module 131, be used for according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, obtain described fringe node and the stability of transfer of data between memory node described at least one.
Further, as shown in Figure 6, described the second acquisition module 131, specifically comprises:
Computing module 1310, be used for according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, calculate described fringe node and the coefficient of stabilization of transfer of data between memory node described at least one.
Order module 1311, for the order according to from big to small to described fringe node and described at least one between memory node the coefficient of stabilization of transfer of data sort.
Further, as shown in Figure 7, described file distributing control centre, also comprises:
The second sending module 14, after in described order module 1311, according to order from big to small, to described fringe node and described at least one, between memory node, the coefficient of stabilization of transfer of data sorts, Transmit message obtains instruction to described fringe node, to make described fringe node obtain file from the described indicated described memory node of instruction that obtains.
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
A kind of file distributing control centre that the embodiment of the present invention provides, this file Distribution Control Center comprises: configuration module, is used to fringe node to configure at least one memory node; The first sending module, for being that fringe node configures after at least one memory node at configuration module, sends network test instruction to fringe node, to make the network between fringe node testing edge node and at least one memory node; Receiver module, the network test result sending for receiving fringe node; Analysis module, for receiving at receiver module after the network test result of fringe node transmission, analyzes network test result.
With file Distribution Control Center in prior art compared with cannot obtaining the method for the network condition between fringe node and each memory node in distribution of document, pass through this method, file distributing control centre can receive the network test result that fringe node sends, and network test result is analyzed, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
Embodiment 5
The embodiment of the present invention provides a kind of fringe node, is applied to content delivering system, and as shown in Figure 8, described fringe node comprises:
The first acquisition module 20, for obtaining at least one memory node that file distributing control centre is described fringe node configuration.
The first receiver module 21, is described at least one of described fringe node configuration after memory node for get described file distributing control centre at described the first acquisition module 20, receives the network test instruction that described file distributing control centre sends.
Sending module 23, for testing described fringe node and the network between memory node described at least one.
The second receiver module 24, for sending network test result at described sending module 23 to described file distributing control centre, receives the file acquisition instruction that described file distributing control centre sends.
The second acquisition module 25, for obtaining file from the described indicated described memory node of instruction that obtains.
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the described memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
A kind of fringe node that the embodiment of the present invention provides, this fringe node comprises: the first acquisition module, for obtaining at least one memory node that file distributing control centre is fringe node configuration; The first receiver module, for getting at the first acquisition module after at least one memory node that file distributing control centre is fringe node configuration, receives the network test instruction that file distributing control centre sends; Test module, for the network between testing edge node and at least one memory node; Sending module, for the network between testing edge node and at least one memory node; The second receiver module, for sending network test result to file distributing control centre at sending module, receives the file acquisition instruction that file distributing control centre sends; The second acquisition module, for obtaining file from obtaining the indicated memory node of instruction; Wherein, obtain the memory node that the indicated memory node of instruction is the coefficient of stabilization maximum of transfer of data between fringe node and at least one memory node.
With file Distribution Control Center in prior art compared with cannot obtaining the method for the network condition between fringe node and each memory node in distribution of document, pass through this method, file distributing control centre can receive the network test result that fringe node sends, and network test result is analyzed, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, promoted the performance of CDN system.
Embodiment 6
The embodiment of the present invention provides a kind of content delivering system, comprise the described file distributing control centre in above-described embodiment 4 with arbitrary feature of describing, there is the described fringe node of arbitrary feature of describing in above-described embodiment 5, and described at least one, file distributing control centre configures the memory node to described fringe node.
With file Distribution Control Center in prior art compared with cannot obtaining the method for the network condition between fringe node and each memory node in distribution of document, pass through this method, file distributing control centre can receive the network test result that fringe node sends, and network test result is analyzed, and then for obtaining file, fringe node provides reference, strengthen the stability that fringe node obtains file, 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 with the division of above-mentioned each functional module, be 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 multiple 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 multiple 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, the 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 described integrated unit is realized and during as production marketing independently or use, can be stored in a computer read/write memory medium using the form of SFU software functional unit.Based on such understanding, 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 (can be personal computers in order to make a computer equipment, 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, any be familiar with those skilled in the art the present invention disclose technical scope in; 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. an analytical method for CDN distributing network, is characterized in that, is applied to content delivering system, and described method comprises:
File distributing control centre is that fringe node configures at least one memory node;
In described file distributing control centre, be that described fringe node configures after at least one memory node, extremely described fringe node of described file distributing control centre's transmission network test instruction, to make described fringe node test described fringe node and the network between memory node described at least one;
Described file distributing control centre receives the network test result that described fringe node sends;
In described file distributing control centre, receive after the network test result that described fringe node sends, described file distributing control centre analyzes described network test result.
2. the analytical method of CDN distributing network according to claim 1, is characterized in that, described network test result at least comprises: described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one;
Described file distributing control centre analyzes described network test result, specifically comprises:
Described file distributing control centre obtains described fringe node and the distance between memory node described at least one;
Described file distributing control centre is according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, obtain described fringe node and the stability of transfer of data between memory node described at least one.
3. the analytical method of CDN distributing network according to claim 2, is characterized in that, described file distributing control centre obtains described fringe node and the stability of transfer of data between memory node described at least one, specifically comprises:
Described file distributing control centre is according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, calculate described fringe node and the coefficient of stabilization of transfer of data between memory node described at least one;
Described file distributing control centre according to order from big to small to described fringe node and described at least one between memory node the coefficient of stabilization of transfer of data sort.
4. the analytical method of CDN distributing network according to claim 3, it is characterized in that, after in described file distributing control centre, according to order from big to small, to described fringe node and described at least one, between memory node, the coefficient of stabilization of transfer of data sorts, described method also comprises:
Described file distributing control centre Transmit message obtains instruction to described fringe node, to make described fringe node obtain file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
5. an analytical method for CDN distributing network, is characterized in that, is applied to content delivering system, and described method comprises:
Fringe node obtains at least one memory node that file distributing control centre is described fringe node configuration;
At described fringe node, getting described file distributing control centre is described at least one of described fringe node configuration after memory node, and described fringe node receives the network test instruction that described file distributing control centre sends;
Described fringe node is tested described fringe node and the network between memory node described at least one;
Described fringe node sends the extremely described file distributing of network test result control centre;
At described fringe node, send network test result to described file distributing control centre, described fringe node receives the file acquisition instruction that described file distributing control centre sends;
Described fringe node obtains file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the described memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
6. a file distributing control centre, is characterized in that, is applied to content delivering system, and described file distributing control centre comprises:
Configuration module, is used to fringe node to configure at least one memory node;
The first sending module, being used for is that described fringe node configures after at least one memory node at described configuration module, send network test instruction to described fringe node, to make described fringe node test described fringe node and the network between memory node described at least one;
Receiver module, the network test result sending for receiving described fringe node;
Analysis module, for receiving at described receiver module after the network test result of described fringe node transmission, analyzes described network test result.
7. file distributing according to claim 6 control centre, is characterized in that, described network test result at least comprises: described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one;
Described analysis module, specifically comprises:
The first acquisition module, for obtaining described fringe node and the distance between memory node described at least one;
The second acquisition module, be used for according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, obtain described fringe node and the stability of transfer of data between memory node described at least one.
8. file distributing according to claim 7 control centre, is characterized in that, described the second acquisition module, specifically comprises:
Computing module, be used for according to described fringe node and the drop probabilities of transfer of data and time delay between memory node described at least one, in conjunction with described fringe node and the distance between memory node described at least one, calculate described fringe node and the coefficient of stabilization of transfer of data between memory node described at least one;
Order module, for the order according to from big to small to described fringe node and described at least one between memory node the coefficient of stabilization of transfer of data sort.
9. file distributing according to claim 8 control centre, is characterized in that, described file distributing control centre, also comprises:
The second sending module, after in described order module, according to order from big to small, to described fringe node and described at least one, between memory node, the coefficient of stabilization of transfer of data sorts, Transmit message obtains instruction to described fringe node, to make described fringe node obtain file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
10. a fringe node, is characterized in that, is applied to content delivering system, and described fringe node comprises:
The first acquisition module, for obtaining at least one memory node that file distributing control centre is described fringe node configuration;
The first receiver module, is described at least one of described fringe node configuration after memory node for get described file distributing control centre at described the first acquisition module, receives the network test instruction that described file distributing control centre sends;
Test module, for testing described fringe node and the network between memory node described at least one;
Sending module, for testing described fringe node and the network between memory node described at least one;
The second receiver module, for sending network test result at described sending module to described file distributing control centre, receives the file acquisition instruction that described file distributing control centre sends;
The second acquisition module, for obtaining file from the described indicated described memory node of instruction that obtains;
Wherein, described in, obtain the indicated described memory node of instruction and be described fringe node and the described memory node of the coefficient of stabilization maximum of transfer of data between memory node described at least one.
11. 1 kinds of content delivering systems, it is characterized in that, comprise the file distributing control centre having as described in any one in claim 6-9, there is fringe node as claimed in claim 10, and described at least one, file distributing control centre configures the memory node to described fringe node.
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