CN102624884A - Method, device and facility for receiving peer-to-peer (P2P) resources - Google Patents
Method, device and facility for receiving peer-to-peer (P2P) resources Download PDFInfo
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Abstract
The invention relates to a method, a device and a facility for receiving peer-to-peer (P2P) resources. The method for receiving the P2P resources includes obtaining resource transmission information corresponding to the P2P resources which are being received, selecting at least one super node to be linked from one or more scheduled super nodes corresponding to the P2P resources when the resource transmission information meets scheduled transmission conditions, requesting the P2P resources from the at least one super node to be linked which is selected, and receiving resource information from the P2P resources of the at least one super node to be linked. The method, the device and the facility for receiving the P2P resources has the advantages that the resources can be successfully obtained by means of obtaining the P2P resources from the super nodes when unsmooth transmission caused by problems of network, transmission nodes and the like in the transmission process of the P2P resources is found, the efficiency of obtaining the resources is improved, and accordingly, the user experience can be improved.
Description
Technical field
The present invention relates to computer realm, relate in particular to a kind of method, device and equipment that is used to receive the P2P resource.
Background technology
Current, when the P2P node receives the P2P resource, can be because stablize and the generation various problems inadequately to other P2P nodes of P2P node transfer resource; For example, get congestion to other P2P nodes network of living in of P2P node transfer resource, perhaps; These other P2P nodes roll off the production line, and perhaps, the P2P resource itself of being stored on these other P2P nodes is imperfect or the like; Thereby cause to obtain the P2P resource smoothly, and then influence user experience.
Summary of the invention
The purpose of this invention is to provide a kind of method, device and equipment that is used to receive the P2P resource.
According to an aspect of the present invention, a kind of computer implemented method that is used to receive the P2P resource is provided, wherein, said method comprising the steps of:
A obtains the resource transmission information corresponding with the P2P resource that is receiving;
When b satisfies the scheduled transmission condition when said resource transmission information, by selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource;
C is to the said P2P resource of selected at least one super node request to be connected, and the resource information of reception P2P resource of at least one super node to be connected from this.
According to an aspect of the present invention, a kind of resource receiving system that is used to receive the P2P resource is provided also, wherein, said resource receiving system comprises:
First deriving means is used to obtain the resource transmission information corresponding with the P2P resource that is receiving;
First choice device is used for when said resource transmission information satisfies the scheduled transmission condition, by selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource;
Request unit is used for to the said P2P resource of selected at least one super node request to be connected, and receives the resource information of P2P resource of at least one super node to be connected from this.
According to an aspect of the present invention, a kind of computer equipment is provided also, wherein, this computer equipment comprises described resource receiving system.
Compared with prior art; The present invention has the following advantages: 1) when finding in transmission P2P resource process, possibly cause transmission to have some setbacks owing to problems such as network, transmission nodes; Can be through selecting to obtain the P2P resource with smooth acquisition resource by the super node place; As when the user when downloading through P2P and watching video, maybe be when detecting because the transmission speed of ordinary node is crossed slow and possibly cause in progress video card to take place immediately, can be through to this video resource of super node request; To guarantee the normal play of video, improve user experience; 2) and, when selecting to new super node request resource to be connected, computer equipment also can stop to the relatively poor super node of the connection request resource of old status transmission, thereby alleviates the burden of the super node in this machine and the network.
Description of drawings
Through reading the detailed description of doing with reference to following accompanying drawing that non-limiting example is done, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the computer implemented method flow diagram that is used to receive the P2P resource according to an aspect of the present invention;
Fig. 2 is the method flow diagram that is used to receive the P2P resource according to a preferred embodiment of the present invention;
Fig. 3 is the structural representation of resource receiving system that is used to receive the P2P resource according to one aspect of the present invention;
Fig. 4 receives the structural representation of the resource receiving system of P2P resource for being used to according to a preferred embodiment of the present invention.
Same or analogous Reference numeral is represented same or analogous parts in the accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 has illustrated the computer implemented method flow diagram that is used to receive the P2P resource according to an aspect of the present invention.Comprise step S11, step S12 and step S13 according to the method for the invention.
Wherein, combine network to realize through computer equipment according to the method for the invention.Said computer equipment comprises the subscriber equipment and the network equipment.
The said subscriber equipment and the said network equipment include a kind of can be according to prior setting or instructions stored; Automatically carry out the electronic equipment of numerical computations and/or information processing, its hardware includes but not limited to microprocessor, application-specific integrated circuit (ASIC) (ASIC), programmable gate array (FPGA), digital processing unit (DSP), embedded device etc.Said subscriber equipment includes but not limited to any electronic product that can carry out man-machine interaction through modes such as keyboard, mouse, remote controller, touch pad or voice-operated devices with the user, for example personal computer, smart mobile phone, PDA, game machine or IPTV etc.; The said network equipment includes but not limited to server group that single network server, a plurality of webserver are formed or based on the cloud that is made up of a large amount of main frames or the webserver of cloud computing (Cloud Computing); Wherein, Cloud computing is a kind of of Distributed Calculation, a super virtual machine of being made up of the loosely-coupled computer collection of a group.Wherein, said subscriber equipment or the residing network of the said network equipment include but not limited to the Internet, wide area network, metropolitan area network, local area network (LAN), VPN network etc.
Particularly, with reference to Fig. 1, in step S1, computer equipment obtains the resource transmission information corresponding with the P2P resource that is receiving.Wherein, The P2P resource means the resource that can transmit based on P2P technology (also being end-to-end reciprocity transmission technology); This resource includes but not limited to file, Streaming Media etc., and is called the P2P node based on the node of P2P technology, can carry out message transmission through various communication networks between each P2P node.At this; Alleged P2P technology comprises pure P2P technology and type P2P technology; P2P node in the pure P2P technology is peer node; Also be each P2P node for other P2P nodes be client be again server, it is in the burst information of downloading a P2P resource as client from other P2P nodes, also in the burst information of coming to provide this P2P resource to other P2P nodes as server.Except that the P2P node that comprises as peer node, also can comprise central server in the class P2P technology, preserve the information of P2P node and response is made in the request of asking these nodal informations in order to storage.
Wherein, said resource transmission information include but not limited to following at least each:
1) transmission rate information of each the P2P node corresponding with said P2P resource.
Wherein, said P2P node comprises and can receive or send the network node of data based on the P2P agreement.
Wherein, each corresponding with said P2P resource P2P node comprises one or more P2P nodes that send the resource information of said P2P resource to this computer equipment.
2) the integrity degree information of the said P2P resource in each P2P node corresponding with said P2P resource.Wherein, said integrity degree information include but not limited to following at least each:
The identification information of the resource information of this P2P resource that a) lacks in the P2P node.Sequence number like a resource burst of P2P resource.
The resource information of the said P2P resource that b) lacks in the P2P node accounts for the ratio of this P2P resource.
The shared memory space of resource information of this P2P resource that c) lacks in the P2P node.
Particularly, computer equipment obtains the one or more transmission rate information and/or integrity degree information of P2P node of sending the resource information of this P2P resource to this machine respectively, to obtain the resource transmission information corresponding with the P2P resource that is receiving.
According to first example of the present invention; Computer equipment is current just by P2P node Node1, Node2 and the receiver, video file video1 of Node3 place, and then to send the transmission rate information and the integrity degree information of P2P node of resource information of video1 to this machine as shown in table 1 below for 3 of computer equipments:
Table 1
| The P2P node | Transmission rate | Integrity degree information |
| Node1 | 64Kbps | The burst of disappearance: v1_frag1, v1_frag2; |
| Node2 | 96Kbps | The burst of disappearance: v1_frag2; |
| Node3 | 128Kbps | The burst of disappearance: v1_frag3; |
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better, but not limitation of the present invention those skilled in the art should understand that; The implementation of the resource transmission information that any P2P resource of obtaining and receiving is corresponding all should be within the scope of the present invention.
Wherein, Those skilled in the art should confirm to obtain the transmission rate information of each P2P node and/or the mode of integrity degree information according to actual conditions and demand, for example, and according to the data volume of the same P2P node that receives in the predetermined amount of time corresponding to this P2P resource; Obtain the mode of the transmission rate information of this P2P node; Again for example, send request with the mode of the integrity degree information of this P2P resource that it was comprised of obtaining this P2P node feedback etc., repeat no more here to this P2P node.
Then, in step S2, when said resource transmission information satisfied the scheduled transmission condition, computer equipment was by selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource.
Wherein, Said super node is to have higher disposal ability and message transmission capability in the P2P node; Thereby can guarantee more stably to provide to other P2P nodes the node of resource transmission service, preferably, said super node can also operating part node administration function.
Wherein, the mode of obtaining said one or more super nodes includes but not limited to:
1) obtains the network address information of one or more super nodes by other node places in the network.
For example, obtain the network address information of all super nodes in the network by the network equipment place of concrete management super node; Again for example, during first access network, obtain the network address information tabulation of all super nodes in the network etc. by the neighbor node place of computer equipment.
2) directly obtain by the network address information that is stored in local one or more super nodes.
Preferably, when obtaining the network address information of said one or more super nodes, also obtain other relevant informations of these one or more super nodes, the identification information of node for example, history information of the resource transmission of node etc. for example again.Wherein, said scheduled transmission condition include but not limited to following at least any:
1) the transmission rate information sum of said each P2P node is less than the scheduled transmission rate-valve value.
Wherein, said scheduled transmission rate-valve value includes but not limited to following any threshold value:
A) predefined constant transmissions rate value;
B) when this P2P resource is in progress P2P resource, the transmission rate value of confirming according to the code check of this P2P resource.
For example, the code check of current in progress P2P resource is 512Kbps, then confirms formula according to preset threshold value, confirms transmission rate threshold=code check * 1.2=614.4Kbps.
2) indication of the integrity degree information of the said P2P resource in said each P2P node can not be by the whole resource informations that obtain said P2P resource in said each P2P node.
Particularly, computer equipment by the mode of at least one super node to be connected of selection in predetermined one or more super nodes corresponding with this P2P resource include but not limited to following any:
1) computer equipment is by selecting at least one super node to be connected at random in predetermined one or more super nodes corresponding with this P2P resource.
2) computer equipment is according to the precedence information of the one or more super nodes corresponding with this P2P resource that obtain in advance, by selecting at least one super node to be connected in said predetermined one or more super nodes corresponding with this P2P resource.
Wherein, said precedence information is confirmed according to following each factor at least:
A) region related information of super node; Wherein, said region related information comprises the information that can indicate the super node affiliated area, and preferably, said region related information includes but not limited to following each information at least:
I) network address information of super node;
The ii) actual residing geographical location information of super node.
B) the historical transmission log information of super node; Wherein, said historical transmission log information comprises the recorded information of the transmission rate that interior super node of order history time period is performed.Preferably, said historical transmission log information include but not limited to following at least each:
I) super node transmits one or more transmission rate information of said P2P resource at order history in the time period;
Ii) super node transmits one or more transmission rate information of self-contained all P2P resources at order history in the time period;
C) the corresponding operator's relevant information of super node.Said operator relevant information is used for confirming the pairing operator of super node belonging network, preferably, said operator relevant information include but not limited to following at least each:
I) operator's identification information is like operator name etc.;
Ii) other can be used for confirming the relevant information of the pairing operator of super node, for example, and operator's affiliated ground domain information etc.
Wherein, the computer equipment mode of obtaining the precedence information of the one or more super nodes corresponding with this P2P resource includes but not limited to:
A) directly obtain the precedence information of these one or more super nodes;
Particularly, computer equipment is by other P2P node places, as the network equipment place that is used for managing the P2P node etc. obtains the precedence information of one or more super nodes of network; Perhaps, computer equipment is respectively by one or more P2P node places that connected, obtains this one or more precedence informations that connected one or more super nodes that the P2P node uses separately.
B) obtain aforementioned at least one the factor that is used for the precedence information of definite these one or more super nodes, and confirm the precedence information of these one or more super nodes according at least one the factor that is obtained.
For example; Historical transmission rate information when IP address information and this each super node that obtains each super node by the network equipment that is used for managing the P2P node in the network transmits self all P2P resource separately; Then; Computer equipment is judged earlier the distance of each super node and self node based on the IP address information, with according to the Network Transmission distance of each super node and this machine initial priority of definite each super node recently, when having the identical super node of initial priority; According to the descending order of the historical transmission rate information of super node, confirm the final precedence information of each super node again.
Continuation describes with aforementioned first example; The resource transmission information that computer equipment is obtained in step S1 is shown in aforementioned table 1; The scheduled transmission condition comprises " the transmission rate information sum of each P2P node is less than the scheduled transmission rate-valve value "; And " in each P2P node the integrity degree information of video1 indication can not by the whole resource informations that obtain video1 in this each P2P node ", wherein, the scheduled transmission rate-valve value be 256Kbps.Then the transmission rate sum of computer equipment each P2P node of confirming in step S1, to be obtained is 96Kbps+64Kbps+128Kbps=288Kbps＞256Kbps; But computer equipment is according to the integrity degree information of each node; Definite resource information that does not exist each node all to lack is so the computer equipment judgement can be by the whole resource informations that obtain video1 in these three nodes of Node1 to Node3.Then computer equipment judges that the resource transmission information of video1 does not satisfy the scheduled transmission condition, and by selecting Node5 as super node Node5 to be connected at random among predetermined super node Node4, Node5 and the Node6 corresponding with video1.
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better; But not limitation of the present invention it should be appreciated by those skilled in the art that any when said resource transmission information satisfies the scheduled transmission condition; By the implementation of selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource, all should be within the scope of the present invention.
Then, in step S3, computer equipment is to the said P2P resource of selected at least one super node request to be connected, and the resource information of reception P2P resource of at least one super node to be connected from this.
Wherein, the unit of the data that said resource information includes but not limited to transmit based on the P2P agreement, for example burst etc.
Continuation describes with aforementioned first example, and computer equipment is to selected super node Node5 request P2P resource video1 to be connected, and reception is from the resource burst of the video1 of Node5.
As one of the preferred embodiments of the present invention, when just receiving from one or more this P2P resource that has connected super node, said step S2 further comprises step S201 (figure does not show).
In step S201; When said resource transmission information satisfied the scheduled transmission condition, computer equipment was by selection and said one or more at least one different super node to be connected of super node that have been connected in predetermined and the corresponding one or more super nodes of this resource.
As another preferred embodiment of the present invention, before step S2, also comprise step S4 (figure does not show) and step S5 (scheming not show) according to the method for present embodiment.
In step S4, computer equipment obtains the node resource relevant information of the one or more super nodes in network.Wherein, said node resource relevant information is used to the resource information of indicating its pairing node to comprise.Said node resource relevant information includes but not limited to resource identification information, like resource name etc.; Preferably, said node resource relevant information also comprises other information relevant with resource, like resource size, resource description information etc.
Particularly, the said mode of obtaining the node resource relevant information of the one or more super nodes in network include but not limited to following any:
1) obtains the node resource relevant information of the one or more super nodes in the network by P2P node place.
For example; Computer equipment obtains the resource index information of the node resource relevant information that comprises each P2P node in the network by the network equipment place that is specifically designed to each P2P node of management in the network, and by the node resource relevant information of obtaining each super node in this resource index information; Again for example, computer equipment is obtained the super node index information of the node resource relevant information that comprises each super node in the network by one or more other P2P node places.
2), obtain the node resource relevant information of one or more super nodes that these one or more P2P nodes use separately respectively by the one or more P2P nodes place that has connected.
For example, the P2P node that computer equipment has connected comprises node Node7, and the super node that Node7 is using comprises Node8 and Node9, and then computer equipment is obtained the node resource relevant information of Node8 and Node9 respectively by the Node7 place.
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better; But not limitation of the present invention; It should be appreciated by those skilled in the art that any implementation of obtaining the node resource relevant information of the one or more super nodes in network, all should be within the scope of the present invention.
Then, in step S5, computer equipment is confirmed the one or more super nodes corresponding with said P2P resource according to the node resource relevant information of said one or more super nodes.
According to the method for the invention; When finding in transmission P2P resource process, possibly cause transmission to have some setbacks owing to problems such as network, transmission nodes; Can be through selecting to obtain the P2P resource with smooth acquisition resource by the super node place; As when the user when downloading through P2P and watching video, maybe be when detecting because the transmission speed of ordinary node is crossed slow and possibly cause in progress video card to take place immediately, can be through to this video resource of super node request; To guarantee the normal play of video, improve user experience.
Fig. 2 has illustrated the method flow diagram that is used to receive the P2P resource according to a preferred embodiment of the present invention.Method according to present embodiment comprises step S1, step S2, step S3, step S6 and step S7.
Wherein, step S1 to S3 is detailing with reference among the embodiment shown in Figure 1, and is contained in this by reference, repeats no more.
Then, in step S6, computer equipment is selected at least one super node to be stopped from said one or more the connection the super node.
Particularly, from said one or more the connection the super node, the mode of selecting at least one to wait to stop super node include but not limited to following any:
1) from said one or more the connection selecting at least one super node to be stopped the super node at random.
2) select said at least one super node to be stopped according to the said node related transmitting information of obtaining in advance that each has connected super node.
Wherein, Computer equipment obtains computer equipment among mode and the aforementioned reference of node related transmitting information of the super node step S1 embodiment illustrated in fig. 1 and obtains with the mode of the corresponding resource transmission information of the P2P resource that is receiving same or similarly, repeats no more at this.
Wherein, said node related transmitting information comprise following at least each:
A) transmission rate information of node;
B) the node integrity degree information corresponding comprise with said resource.
Particularly, according to the said node related transmitting information of obtaining in advance that each has connected super node select said at least one mode of waiting to stop super node include but not limited to following at least each:
A) each has been connected super node and has sorted according to transmission rate or integrity degree information,
To select at least one super node to be stopped according to ranking results.
For example, select the minimum super node of connection of transmission rate to be super node to be stopped; Again for example, select after the descending rank of transmission rate 3 of three to connect super node for waiting to stop super node etc.
B) each has been connected super node, when this node related transmitting information that has connected super node satisfies predetermined end condition, selected this to connect super node as super node to be stopped.Wherein, said predetermined end condition include but not limited to following at least each:
I) transmission rate information of node is transmitted threshold value less than destined node;
Ii) the said P2P resource in this node of the integrity degree information of node indication is imperfect; Perhaps, the integrity degree information of node is less than predetermined integrity degree threshold value.
According to second example of the present invention, the P2P resource that is receiving is media1, and each node related transmitting information of having connected super node corresponding with media1 that computer equipment obtains in advance is as shown in table 2 below:
Table 2
| The P2P node | The node transmission rate |
| Node10 | 350Kbps |
| Node11 | 128Kbps |
| Node12 | 96Kbps |
| Node13 | 286Kbps |
Then computer equipment is a rule of waiting to stop super node according to the minimum super node that connects of preset selection node transmission rate, and selection Node12 is super node to be stopped.
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better; But not limitation of the present invention it should be appreciated by those skilled in the art that anyly one or morely to have connected the super node from said; The implementation of selecting at least one to wait to stop super node all should be within the scope of the present invention.
Then, in step S7, computer equipment stops to obtain said P2P resource by selected at least one super node to be stopped.
Continuation describes aforementioned second example, and computer equipment stops to be waited to stop super node Node12 and being obtained P2P resource media1 by selected in step S6.
Need to prove that said step S6 to S7 and abovementioned steps S1 to S3 directly do not have precedence relationship, computer equipment can first execution in step S6 to S7, execution in step S1 to S3 again; Perhaps, execution in step S6 to S7 again after the first execution in step S1 to S3; Perhaps, while execution in step S1 to S3 and step S6 to S7.
As one of preferred version of present embodiment; Scheme according to present embodiment; Computer equipment has connected the node related transmitting information of super node according to said each that obtains in advance; And the node related transmitting information of obtaining in advance of selected each super node to be connected in step S2, select said at least one super node to be stopped.
Particularly; Each has been connected super node; Computer equipment compares the node related transmitting information of its node related transmitting information and each super node to be connected, and when this node related transmitting information that has connected super node is inferior to the node related transmitting information of one or more super nodes to be connected, for example; When the transmission rate that connects super node during, select this to connect super node as super node to be stopped less than the transmission rate of one of them super node to be connected.
According to the method for the invention, when selecting to new super node request resource to be connected, computer equipment also can stop to the relatively poor super node of the connection request resource of old status transmission, thereby alleviates the burden of the super node in this machine and the network.
Fig. 3 has illustrated the structural representation of resource receiving system that is used to receive the P2P resource according to an aspect of the present invention.Resource receiving system according to the present invention comprises first deriving means 1, first choice device 2 and request unit 3.
Particularly, with reference to Fig. 3, the resource transmission information that first deriving means 1 is corresponding with the P2P resource that is receiving.Wherein, said resource transmission information include but not limited to following at least each:
1) transmission rate information of each the P2P node corresponding with said P2P resource.
Wherein, said P2P node comprises and can receive or send the network node of data based on the P2P agreement.
Wherein, each corresponding with said P2P resource P2P node comprises one or more P2P nodes that send the resource information of said P2P resource to this computer equipment.
2) the integrity degree information of the said P2P resource in each P2P node corresponding with said P2P resource.Wherein, said integrity degree information include but not limited to following at least each:
The identification information of the resource information of this P2P resource that a) lacks in the P2P node.Sequence number like a resource burst of P2P resource.
The resource information of the said P2P resource that b) lacks in the P2P node accounts for the ratio of this P2P resource.
The shared memory space of resource information of this P2P resource that c) lacks in the P2P node.
Particularly, first deriving means 1 obtains the one or more transmission rate information and/or integrity degree information of P2P node of sending the resource information of this P2P resource to this machine respectively, to obtain the resource transmission information corresponding with the P2P resource that is receiving.
According to first example of the present invention; First deriving means 1 is current just by P2P node Node1, Node2 and the receiver, video file video1 of Node3 place, and then to send the transmission rate information and the integrity degree information of P2P node of resource information of video1 to this machine as shown in table 3 below for 3 of computer equipments:
Table 3
| The P2P node | Transmission rate | Integrity degree information |
| Node1 | 64Kbps | The burst of disappearance: v1_frag1, v1_frag2; |
| Node2 | 96Kbps | The burst of disappearance: v1_frag2; |
| Node3 | 128Kbps | The burst of disappearance: v1_frag3; |
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better, but not limitation of the present invention those skilled in the art should understand that; The implementation of the resource transmission information that any P2P resource of obtaining and receiving is corresponding all should be within the scope of the present invention.
Wherein, Those skilled in the art should confirm to obtain the transmission rate information of each P2P node and/or the mode of integrity degree information according to actual conditions and demand, for example, and according to the data volume of the same P2P node that receives in the predetermined amount of time corresponding to this P2P resource; Obtain the mode of the transmission rate information of this P2P node; Again for example, send request with the mode of the integrity degree information of this P2P resource that it was comprised of obtaining this P2P node feedback etc., repeat no more here to this P2P node.
Then, when said resource transmission information satisfied the scheduled transmission condition, first choice device 2 was by selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource.
Wherein, Said super node is to have higher disposal ability and message transmission capability in the P2P node; Thereby can guarantee more stably to provide to other P2P nodes the node of resource transmission service, preferably, said super node can also operating part node administration function.
Wherein, the mode of obtaining said one or more super nodes includes but not limited to:
1) obtains the network address information of one or more super nodes by other node places in the network.
For example, obtain the network address information of all super nodes in the network by the network equipment place of concrete management super node; Again for example, during first access network, obtain the network address information tabulation of all super nodes in the network etc. by the neighbor node place of computer equipment.
2) directly obtain by the network address information that is stored in local one or more super nodes.
Preferably, when obtaining the network address information of said one or more super nodes, also obtain other relevant informations of these one or more super nodes, the identification information of node for example, history information of the resource transmission of node etc. for example again.
Wherein, said scheduled transmission condition include but not limited to following at least any:
1) the transmission rate information sum of said each P2P node is less than the scheduled transmission rate-valve value.Wherein, said scheduled transmission rate-valve value includes but not limited to following any threshold value:
A) predefined constant transmissions rate value;
B) when this P2P resource is in progress P2P resource, the transmission rate value of confirming according to the code check of this P2P resource.
For example, the code check of current in progress P2P resource is 512Kbps, then confirms formula according to preset threshold value, confirms transmission rate threshold=code check * 1.2=614.4Kbps.
2) indication of the integrity degree information of the said P2P resource in said each P2P node can not be by the whole resource informations that obtain said P2P resource in said each P2P node.
Particularly, first choice device 2 by the mode of at least one super node to be connected of selection in predetermined one or more super nodes corresponding with this P2P resource include but not limited to following any:
1) first choice device 2 is by selecting at least one super node to be connected at random in predetermined one or more super nodes corresponding with this P2P resource.
2) be contained in the precedence information of the one or more super nodes corresponding that the basis of the 4th sub-choice device in first choice device 2 (figure do not show) obtains in advance, by at least one super node to be connected of selection in said predetermined one or more super nodes corresponding with this P2P resource with this P2P resource.
Wherein, said precedence information is confirmed according to following each factor at least:
A) region related information of super node; Wherein, said region related information comprises the information that can indicate the super node affiliated area, and preferably, said region related information includes but not limited to following each information at least:
I) network address information of super node;
The ii) actual residing geographical location information of super node.
B) the historical transmission log information of super node; Wherein, said historical transmission log information comprises the recorded information of the transmission rate that interior super node of order history time period is performed.Preferably, said historical transmission log information include but not limited to following at least each:
I) super node transmits one or more transmission rate information of said P2P resource at order history in the time period;
Ii) super node transmits one or more transmission rate information of self-contained all P2P resources at order history in the time period;
C) the corresponding operator's relevant information of super node.Said operator relevant information is used for confirming the pairing operator of super node belonging network, preferably, said operator relevant information include but not limited to following at least each:
I) operator's identification information is like operator name etc.;
Ii) other can be used for confirming the relevant information of the pairing operator of super node, for example, and operator's affiliated ground domain information etc.
Wherein, the computer equipment mode of obtaining the precedence information of the one or more super nodes corresponding with this P2P resource includes but not limited to:
A) directly obtain the precedence information of these one or more super nodes;
Particularly, computer equipment is by other P2P node places, as the network equipment place that is used for managing the P2P node etc. obtains the precedence information of one or more super nodes of network; Perhaps, computer equipment is respectively by one or more P2P node places that connected, obtains this one or more precedence informations that connected one or more super nodes that the P2P node uses separately.
B) obtain aforementioned at least one the factor that is used for the precedence information of definite these one or more super nodes, and confirm the precedence information of these one or more super nodes according at least one the factor that is obtained.
For example; Historical transmission rate information when IP address information and this each super node that obtains each super node by the network equipment that is used for managing the P2P node in the network transmits self all P2P resource separately; Then; Computer equipment is judged earlier the distance of each super node and self node based on the IP address information, with according to the Network Transmission distance of each super node and this machine initial priority of definite each super node recently, when having the identical super node of initial priority; According to the descending order of the historical transmission rate information of super node, confirm the final precedence information of each super node again.
Continuation describes with aforementioned first example; The resource transmission information that first deriving means 1 obtains is shown in aforementioned table 3; The scheduled transmission condition comprises " the transmission rate information sum of each P2P node is less than the scheduled transmission rate-valve value "; And " in each P2P node the integrity degree information of video1 indication can not by the whole resource informations that obtain video1 in this each P2P node ", wherein, the scheduled transmission rate-valve value be 256Kbps.Then computer equipment confirms that the transmission rate sum of each P2P node that first deriving means 1 is obtained is 96Kbps+64Kbps+128Kbps=288Kbps＞256Kbps; And computer equipment is according to the integrity degree information of each node, and so definite resource information that does not exist each node all to lack is can be by the whole resource informations that obtain video1 in these three nodes of Node1 to Node3.Therefore first choice device 2 judges that the resource transmission information of video1 does not satisfy the scheduled transmission condition, and by selecting Node5 as super node Node5 to be connected at random among predetermined super node Node4, Node5 and the Node6 corresponding with video1.
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better; But not limitation of the present invention it should be appreciated by those skilled in the art that any when said resource transmission information satisfies the scheduled transmission condition; By the implementation of selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource, all should be within the scope of the present invention.
Then, request unit is to the said P2P resource of selected at least one super node request to be connected, and the resource information of reception P2P resource of at least one super node to be connected from this.
Wherein, the unit of the data that said resource information includes but not limited to transmit based on the P2P agreement, for example burst etc.
Continuation describes with aforementioned first example, and request unit is to selected super node Node5 request P2P resource video1 to be connected, and reception is from the resource burst of the video1 of Node5.
As one of the preferred embodiments of the present invention, when just receiving from one or more this P2P resource that has connected super node, said first choice device further comprises the first sub-choice device (figure does not show).
When said resource transmission information satisfied the scheduled transmission condition, the first sub-choice device was by selection and said one or more at least one different super node to be connected of super node that have been connected in predetermined and the corresponding one or more super nodes of this resource.
As another preferred embodiment of the present invention, also comprise second deriving means (figure does not show) and definite device (scheming not show) according to the resource receiving system of present embodiment.
Second deriving means obtains the node resource relevant information of the one or more super nodes in network.Wherein, said node resource relevant information is used to the resource information of indicating its pairing node to comprise.Said node resource relevant information includes but not limited to resource identification information, like resource name etc.; Preferably, said node resource relevant information also comprises other information relevant with resource, like resource size, resource description information etc.
Particularly, the said mode of obtaining the node resource relevant information of the one or more super nodes in network include but not limited to following any:
1) obtains the node resource relevant information of the one or more super nodes in the network by P2P node place.
For example; Second deriving means obtains the resource index information of the node resource relevant information that comprises each P2P node in the network by the network equipment place that is specifically designed to each P2P node of management in the network, and by the node resource relevant information of obtaining each super node in this resource index information; Again for example, second deriving means is obtained the super node index information of the node resource relevant information that comprises each super node in the network by one or more other P2P node places.
2), obtain the node resource relevant information of one or more super nodes that these one or more P2P nodes use separately respectively by the one or more P2P nodes place that has connected.
For example, the P2P node that second deriving means has connected comprises node Node7, and the super node that Node7 is using comprises Node8 and Node9, and then second deriving means is obtained the node resource relevant information of Node8 and Node9 respectively by the Node7 place.
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better; But not limitation of the present invention; It should be appreciated by those skilled in the art that any implementation of obtaining the node resource relevant information of the one or more super nodes in network, all should be within the scope of the present invention.
Then, confirm the node resource relevant information of device, confirm the one or more super nodes corresponding with said P2P resource according to said one or more super nodes.
According to the method for the invention; When finding in transmission P2P resource process, possibly cause transmission to have some setbacks owing to problems such as network, transmission nodes; Can be through selecting to obtain the P2P resource with smooth acquisition resource by the super node place; As when the user when downloading through P2P and watching video, maybe be when detecting because the transmission speed of ordinary node is crossed slow and possibly cause in progress video card to take place immediately, can be through to this video resource of super node request; To guarantee the normal play of video, improve user experience.
Fig. 4 has illustrated the structural representation of resource receiving system that is used to receive the P2P resource according to a preferred embodiment of the present invention.Comprise first deriving means 1, first choice device 2, request unit 3, second choice device 6 and stop device 7 according to the resource receiving system of present embodiment.
Wherein, first deriving means 1, first choice device 2 and request unit 3 are detailing with reference among the embodiment shown in Figure 3, and are contained in this by reference, repeat no more.
Then, second choice device 6 is selected at least one super node to be stopped from said one or more the connection the super node.
Particularly, from said one or more the connection the super node, the mode of selecting at least one to wait to stop super node include but not limited to following any:
1) second choice device 6 is from select at least one super node to be stopped said one or more the connection at random the super node.
2) the second sub-choice device (figure does not show) that is contained in second choice device 6 is selected said at least one super node to be stopped according to the said node related transmitting information of obtaining in advance that each has connected super node.
Wherein, Mode and first deriving means 1 during aforementioned reference is embodiment illustrated in fig. 3 that second choice device 6 obtains the node related transmitting information of super node obtains with the mode of the corresponding resource transmission information of the P2P resource that is receiving same or similar, repeats no more at this.
Wherein, said node related transmitting information comprise following at least each:
A) transmission rate information of node;
B) the node integrity degree information corresponding comprise with said resource.
Particularly, according to the said node related transmitting information of obtaining in advance that each has connected super node select said at least one mode of waiting to stop super node include but not limited to following at least each:
A) second choice device 6 has connected super node with each and has sorted according to transmission rate or integrity degree information, to select at least one super node to be stopped according to ranking results.
For example, select the minimum super node of connection of transmission rate to be super node to be stopped; Again for example, select after the descending rank of transmission rate 3 of three to connect super node for waiting to stop super node etc.
B) the 3rd sub-choice device (figure does not show) that is contained in second choice device 6 has connected super node to each; When this node related transmitting information that has connected super node satisfies predetermined end condition, select this to connect super node as super node to be stopped.Wherein, said predetermined end condition include but not limited to following at least each:
I) transmission rate information of node is transmitted threshold value less than destined node;
Ii) the said P2P resource in this node of the integrity degree information of node indication is imperfect; Perhaps, the integrity degree information of node is less than predetermined integrity degree threshold value.
According to second example of the present invention, the P2P resource that is receiving is media1, and each node related transmitting information of having connected super node corresponding with media1 that computer equipment obtains in advance is as shown in table 4 below:
Table 4
| The P2P node | The node transmission rate |
| Node10 | 350Kbps |
| Node11 | 128Kbps |
| Node12 | 96Kbps |
| Node13 | 286Kbps |
Then the 3rd sub-choice device is a rule of waiting to stop super node according to the minimum super node that connects of preset selection node transmission rate, and selection Node12 is super node to be stopped.
Need to prove; Above-mentioned being merely for example explained technical scheme of the present invention better; But not limitation of the present invention it should be appreciated by those skilled in the art that anyly one or morely to have connected the super node from said; The implementation of selecting at least one to wait to stop super node all should be within the scope of the present invention.
Then, stopping device 7 stops to obtain said P2P resource by selected at least one super node to be stopped.
Continuation describes aforementioned second example, stops device 7 and stops to wait to stop super node Node12 and obtaining P2P resource media1 by second choice device 6 is selected.
As one of preferred version of present embodiment; Scheme according to present embodiment; Computer equipment has connected the node related transmitting information of super node according to said each that obtains in advance; And the node related transmitting information of first choice device, 2 selected each super nodes to be connected that obtain in advance, select said at least one super node to be stopped.
Particularly; Each has been connected super node; Computer equipment compares the node related transmitting information of its node related transmitting information and each super node to be connected, and when this node related transmitting information that has connected super node is inferior to the node related transmitting information of one or more super nodes to be connected, for example; When the transmission rate that connects super node during, select this to connect super node as super node to be stopped less than the transmission rate of one of them super node to be connected.
According to scheme of the present invention, when selecting to new super node request resource to be connected, computer equipment also can stop to the relatively poor super node of the connection request resource of old status transmission, thereby alleviates the burden of the super node in this machine and the network.
Software program of the present invention can be carried out to realize step mentioned above or function through processor.Likewise, software program of the present invention (comprising relevant data structure) can be stored in the computer readable recording medium storing program for performing, for example, and RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, steps more of the present invention or function can adopt hardware to realize, for example, thereby as cooperate the circuit of carrying out each function or step with processor.
In addition, a part of the present invention can be applied to computer program, and for example computer program instructions when it is carried out by computer, through the operation of this computer, can call or provide according to the method for the invention and/or technical scheme.And call the program command of method of the present invention; Possibly be stored in fixing or movably in the recording medium; And/or be transmitted, and/or be stored in the working storage according to the computer equipment of said program command operation through the data flow in broadcasting or other signal bearing medias.At this; Comprise a device according to one embodiment of present invention; This device comprises memory that is used for storage computation machine program command and the processor that is used for execution of program instructions; Wherein, when this computer program instructions is carried out by this processor, trigger this device operation based on aforementioned method and/or technical scheme according to a plurality of embodiment of the present invention.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and under the situation that does not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore; No matter from which point; All should regard embodiment as exemplary; And be nonrestrictive, scope of the present invention is limited accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the present invention.Should any Reference numeral in the claim be regarded as limit related claim.In addition, obviously other unit or step do not got rid of in " comprising " speech, and odd number is not got rid of plural number.A plurality of unit of stating in system's claim or device also can be realized through software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (23)
1. computer implemented method that is used to receive the P2P resource wherein, said method comprising the steps of:
A obtains the resource transmission information corresponding with the P2P resource that is receiving;
When b satisfies the scheduled transmission condition when said resource transmission information, by selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource;
C is to the said P2P resource of selected at least one super node request to be connected, and the resource information of reception P2P resource of at least one super node to be connected from this.
2. method according to claim 1, wherein, when just receiving from one or more this P2P resource that has connected super node, said step b may further comprise the steps:
-when said resource transmission information satisfies the scheduled transmission condition, by selection and said one or more at least one different super node to be connected of super node that have been connected in predetermined and the corresponding one or more super nodes of this resource.
3. method according to claim 2, wherein, said method is further comprising the steps of:
M selects at least one super node to be stopped from said one or more the connection the super node;
N stops to obtain said P2P resource by selected at least one super node to be stopped.
4. method according to claim 3, wherein, said step m may further comprise the steps:
M1 selects said at least one super node to be stopped according to the said node related transmitting information of obtaining in advance that each has connected super node.
5. method according to claim 4 wherein, has connected super node to each, and said step m1 may further comprise the steps:
-when this node related transmitting information that has connected super node satisfies predetermined end condition, select this to connect super node as super node to be stopped.
6. according to claim 4 or 5 described methods, wherein, said node related transmitting information comprise following at least each:
The transmission rate information of-node;
-node integrity degree the information corresponding comprise with said resource.
7. according to each described method in the claim 1 to 6, wherein, said method is further comprising the steps of before step b:
-obtain the node resource relevant information of the one or more super nodes in network;
-according to the node resource relevant information of said one or more super nodes, confirm the one or more super nodes corresponding with said P2P resource.
8. according to each described method in the claim 1 to 7, wherein, said step b may further comprise the steps:
The precedence information of each super node that-basis is obtained in advance is by selecting at least one super node to be connected in said predetermined one or more super nodes corresponding with this P2P resource.
9. method according to claim 8, wherein, said precedence information is confirmed according to following each factor at least:
The region related information of-super node;
The historical transmission log information of-super node;
Operator's relevant information that-super node is corresponding.
10. according to each described method in the claim 1 to 9, wherein, said resource transmission information comprise following at least each:
The transmission rate information of-each the P2P node corresponding with said P2P resource;
The integrity degree information of the said P2P resource in-each P2P node corresponding with said P2P resource.
11. method according to claim 10, wherein, said scheduled transmission condition comprise following at least any:
The transmission rate information sum of-said each P2P node is less than the scheduled transmission rate-valve value;
The integrity degree information indication of the said P2P resource in-said each P2P node can not be by the whole resource informations that obtain said P2P resource in said each P2P node.
12. a resource receiving system that is used to receive the P2P resource, wherein, said resource receiving system comprises:
First deriving means is used to obtain the resource transmission information corresponding with the P2P resource that is receiving;
First choice device is used for when said resource transmission information satisfies the scheduled transmission condition, by selecting at least one super node to be connected in predetermined one or more super nodes corresponding with this P2P resource;
Request unit is used for to the said P2P resource of selected at least one super node request to be connected, and receives the resource information of P2P resource of at least one super node to be connected from this.
13. resource receiving system according to claim 12, wherein, when just receiving from one or more this P2P resource that has connected super node, said first choice device comprises:
The first sub-choice device; Be used for when said resource transmission information satisfies the scheduled transmission condition, by selection and said one or more at least one different super node to be connected of super node that have been connected in predetermined and the corresponding one or more super nodes of this resource.
14. resource receiving system according to claim 13, wherein, said resource receiving system also comprises:
Second choice device is used for selecting at least one super node to be stopped from said one or more super nodes that connected;
Stop device, be used to stop to obtain said P2P resource by selected at least one super node to be stopped.
15. resource receiving system according to claim 14, wherein, said second choice device comprises:
The second sub-choice device is used for selecting said at least one super node to be stopped according to the said node related transmitting information of obtaining in advance that each has connected super node.
16. resource receiving system according to claim 15 wherein, has connected super node to each, the said second sub-choice device comprises:
The 3rd sub-choice device is used for when this node related transmitting information that has connected super node satisfies predetermined end condition, selecting this to connect super node as super node to be stopped.
17. according to claim 15 or 16 described resource receiving systems, wherein, said node related transmitting information comprise following at least each:
The transmission rate information of-node;
-node integrity degree the information corresponding comprise with said resource.
18. according to each described resource receiving system in the claim 12 to 17, wherein, said resource receiving system also comprises:
Second deriving means is used for obtaining the node resource relevant information at one or more super nodes of network;
Confirm device, be used for node resource relevant information, confirm the one or more super nodes corresponding with said P2P resource according to said one or more super nodes.
19. according to each described resource receiving system in the claim 12 to 18, wherein, said first choice device comprises:
The 4th sub-choice device is used for the precedence information according to each super node that obtains in advance, by selecting at least one super node to be connected in said predetermined one or more super nodes corresponding with this P2P resource.
20. resource receiving system according to claim 19, wherein, said precedence information is confirmed according to following each factor at least:
The region related information of-super node;
The historical transmission log information of-super node;
Operator's relevant information that-super node is corresponding.
21. according to each described resource receiving system in the claim 12 to 20, wherein, said resource transmission information comprise following at least each:
The transmission rate information of-each the P2P node corresponding with said P2P resource;
The integrity degree information of the said P2P resource in-each P2P node corresponding with said P2P resource.
22. resource receiving system according to claim 21, wherein, said scheduled transmission condition comprise following at least any:
The transmission rate information sum of-said each P2P node is less than the scheduled transmission rate-valve value;
The integrity degree information indication of the said P2P resource in-said each P2P node can not be by the whole resource informations that obtain said P2P resource in said each P2P node.
23. a computer equipment, wherein, this computer equipment comprises like at least one described resource receiving system in the claim 12 to 22.
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| CN102624884B (en) | 2016-02-17 |
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