CN101459614A - Method, system and equipment for network data transmission - Google Patents
Method, system and equipment for network data transmission Download PDFInfo
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- CN101459614A CN101459614A CNA200810240907XA CN200810240907A CN101459614A CN 101459614 A CN101459614 A CN 101459614A CN A200810240907X A CNA200810240907X A CN A200810240907XA CN 200810240907 A CN200810240907 A CN 200810240907A CN 101459614 A CN101459614 A CN 101459614A
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Abstract
The invention discloses a method, a system and a device of network data transmission, which belong to the communication field, wherein the method comprises establishing operation business network interval topology according to geographical position information of nodes and operation business information providing node service, receiving resource obtaining request transmitted by nodes of resources which need to be obtained by a server in an operation business network region, wherein marks of resources which need to be obtained are carried in the resource obtaining request, presetting parameters according to resource marks and transmission speeds of nodes, searching for optimum nodes in the operation business network region where the server is arranged, and returning the marks of optimum nodes to the nodes of resources which need to be obtained. The invention improves network linking speed, accelerates service quality of network application, lowers service pressure of each operation business, assures basic service quality, and lowers operation cost.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method of network data transmission, system and equipment.
Background technology
P2P (Peer-to-Peer, point-to-point) technology claims reciprocity internet technique again, is a kind of network new technology, participant's computing capability and bandwidth in the dependency network.The P2P network connects each Peer node by point-to-point Ad Hoc connection mode usually.Various file-sharing softwares have obtained using widely under the P2P network, because numerous advantages of P2P technology, the P2P technology also is used in the data communication of similar VoIP real-time media business such as (Voice overInternet Protocol, the networking telephones).
At present, along with deepening constantly that P2P uses, online audio frequency and video, file are downloaded, IM (InstantMessaging, the instant messaging technology) all in various degree employing the P2P technology, Peer node in the P2P network, needs according to self are asked by sending to server, can provide this Peer node desired other Peer nodal informations that obtain resource in the Network Search.
The inventor finds that there is following shortcoming and defect at least in above-mentioned prior art in realizing process of the present invention:
Because P2P technology itself has randomness to the selection of Peer node, if therefore initiating the Peer node of P2P request is positioned under the carrier network zone, and stochastic searching to the Peer node that resource can be provided be positioned under the different carrier network zones, then can cause a large amount of cross operators, trans-regional network traffics to produce, cause telecom operators' bandwidth, routing pressure, and then influence service quality, even had influence on the user experience that network foundations such as web page browsing are used.
Summary of the invention
In order to improve the pressure of network linking speed, reduction server, the embodiment of the invention provides a kind of method, system and equipment of network data transmission.Described technical scheme is as follows:
On the one hand, provide a kind of method of network data transmission, described method comprises:
According to the geographical location information of node, the operator's informaiton that provides described node to serve, set up the carrier network region topology;
Server in the carrier network zone receives the acquisition request conforms that the node of waiting to obtain resource sends, and carries resource identification to be obtained in the described acquisition request conforms;
According to transmission speed, the parameter preset of described resource identification, node, in carrier network zone, described server place, search preferred node;
Return the sign of described preferred node to the described node of waiting to obtain resource.
Wherein, above-mentioned parameter preset comprises at least:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
When parameter preset comprises the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, described transmission speed, parameter preset according to described resource identification, node, in carrier network zone, described server place, search preferred node, comprising:
According to described resource identification, described server judges whether to find in described server service scope can provide resource and energy speed to satisfy the node of transmission requirement, if, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, satisfy the node of transmission requirement from described resource and the energy speed of can providing, find preferred node;
Otherwise described server is the described acquisition request conforms of another server forwards in described carrier network zone, in finding described carrier network zone till the preferred node.
Wherein, further,, in carrier network zone, described server place, search, or after speed satisfied the node of transmission requirement, described method also comprised less than the node that resource can be provided when according to described resource identification:
The server forwards described acquisition request conforms of server in the described carrier network zone in another carrier network zone;
Server in described another carrier network zone according to described resource identification, is searched preferred node in described another carrier network zone;
The described preferred node that finds is returned to server in the described carrier network zone;
Server in the described carrier network zone returns the sign of the preferred node in described another carrier network zone to the described node of waiting to obtain resource.
Wherein, described geographical location information according to node, the operator's informaiton that provides described node to serve are set up the carrier network region topology, comprising:
Node when carrying out P2P resource issue and self statement, provide self geographical location information, self operator's informaiton of service is provided;
According to geographical location information, provide self the service operator's informaiton, set up the carrier network region topology, wherein, comprise at least one carrier network zone in the described carrier network region topology, described arbitrary carrier network comprises at least one server in the zone; Described arbitrary server is at least one node service.
Wherein, described transmission speed according to described resource identification, node, network interconnection current bandwidth parameter, network linking average retardation parameter and the average packet loss parameter of network linking are searched preferred node in carrier network zone, described server place, comprising:
Described network interconnection current bandwidth parameter, network linking average retardation parameter and the average packet loss parameter of network linking are weighted value, satisfy the node of transmission requirement from described resource and the energy speed of can providing, according to the numerical value after the weighting value, find out preferred node.
Further, described method also comprises:
The described node of waiting to obtain resource is set up and the linking of described preferred node.
Wherein, when described preferred node when being a plurality of,
The described node of waiting to obtain resource is set up and the linking of described preferred node, and comprising:
The described node of waiting to obtain resource is set up and the linking of at least one preferred node.
On the other hand, provide a kind of system of network data transmission, described system comprises: wait to obtain the node of resource, the server in the carrier network zone, wherein,
Described server is used to receive the acquisition request conforms that the described node of waiting to obtain resource sends, and carries resource identification to be obtained in the described acquisition request conforms; According to transmission speed, the parameter preset of described resource identification, node, in carrier network zone, described server place, search preferred node; Return the sign of described preferred node to the described node of waiting to obtain resource;
The described node of waiting to obtain resource is used for sending acquisition request conforms to described server, also is used to receive the sign of the preferred node that described server returns.
Wherein, above-mentioned parameter preset comprises at least:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
Further, described system also comprises: another server in the described carrier network zone,
Correspondingly, described server specifically is used for according to described resource identification, judging whether to find in described server service scope to provide resource and energy speed to satisfy the node of transmission requirement, if, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, satisfy the node of transmission requirement from described resource and the energy speed of can providing, select preferred node, return the sign of described preferred node to the described node of waiting to obtain resource; Otherwise another server forwards described acquisition request conforms of described server in described carrier network zone is in finding described carrier network zone till the preferred node;
Described another server is used to receive the acquisition request conforms of described server forwards, searches preferred node according to described resource identification, and the described preferred node that finds is returned to described server.
Further, described system also comprises the server in another carrier network zone,
Correspondingly, server in the described carrier network zone, also be used for working as according to described resource identification, in carrier network zone, described server place, search less than resource can be provided, or after speed satisfies the node of transmission requirement, the described acquisition request conforms of server forwards in described another carrier network zone; Also be used for returning the sign of the preferred node in described another carrier network zone to the described node of waiting to obtain resource;
Correspondingly, the server in described another carrier network zone is used to receive described acquisition request conforms, according to described resource identification, searches preferred node in described another carrier network zone; The described preferred node that finds is returned to server in the described carrier network zone.
Further, the described node of waiting to obtain resource also is used to set up and the linking of described preferred node.
On the one hand, provide a kind of server again, described server comprises:
Receiver module is used to receive the acquisition request conforms that the node of waiting to obtain resource sends, and carries resource identification to be obtained in the described acquisition request conforms;
Search module, be used for transmission speed, parameter preset, in carrier network zone, described server place, search preferred node according to described resource identification, node;
Return module, be used for returning described sign of searching module searches to preferred node to the described node that obtains resource of waiting.
Wherein, described parameter preset comprises at least:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
Wherein, the described module of searching comprises:
Judging unit is used for according to described resource identification, and judging whether to find in described server service scope to provide resource and energy speed to satisfy the node of transmission requirement;
First processing unit, be used for working as the result of described judgment unit judges for being, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, satisfy the node of transmission requirement from described resource and the energy speed of can providing, select preferred node;
Second processing unit, be used for when the result of described judgment unit judges for not, then to self be in the described acquisition request conforms of another server forwards in the same carrier network zone, in finding described carrier network zone till the preferred node.
Wherein, further, described server also comprises;
Forwarding module, being used for describedly searching module searches in the carrier network zone less than resource can be provided, or after speed satisfies the node of transmission requirement, to being in the described acquisition request conforms of server forwards in the different operators network area, up to finding and self being in the different operators network area till the preferred node with self server.
On the one hand, provide a kind of node again, described node comprises:
Reporting module, be used to report self geographical location information, provide self the service operator's informaiton; Wherein, described geographical location information, described operator's informaiton are used to set up the carrier network region topology;
Sending module, the server that is used in self carrier network zone, place sends acquisition request conforms, carries resource identification to be obtained in the described acquisition request conforms;
Receiver module is used to receive the sign of the preferred node that described server returns;
Set up module, be used for sign, set up linking of the node corresponding with the sign of described preferred node according to the preferred node of described receiver module reception.
Wherein, the described module of setting up is specially:
Set up the unit, be used for, set up and the linking of at least one preferred node when described preferred node when being a plurality of.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
By setting up the carrier network region topology, when the user initiated P2P, preferential selection and this user were under the jurisdiction of the node under the same carrier network region topology, just no longer continued the more node of link if speed satisfies the demands; Go to attempt the more and resource of link again if speed can not satisfy, select the node outside this carrier network zone at last.Thereby improve the pressure of network linking speed, reduction server, quickened service rate, the service stability of P2P network application; And reduced the service pressure of each operator, guaranteed the infrastructure service quality, reduced operation cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow schematic diagram of the network data transmission that provides of the embodiment of the invention.
Fig. 2 is the method flow schematic diagram of the point-to-point P2P network data transmission that provides of the embodiment of the invention 1.
Fig. 3 is the network area topology schematic diagram that the embodiment of the invention 1 provides.
Fig. 4 is the system schematic of the network data transmission that provides of the embodiment of the invention 2.
Fig. 5 is the server schematic diagram that the embodiment of the invention 3 provides.
Fig. 6 is the node schematic diagram that the embodiment of the invention 4 provides.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
In order to improve the pressure of network linking speed, reduction carrier server, the embodiment of the invention provides a kind of method of network data transmission, and referring to Fig. 1, this method comprises;
S1:, set up the carrier network region topology according to the geographical location information of node, the operator's informaiton that provides node to serve;
S2: server in the carrier network zone receives the acquisition request conforms that the node of waiting to obtain resource sends, and carries resource identification to be obtained in the acquisition request conforms;
S3:, in carrier network zone, server place, search preferred node according to transmission speed, the parameter preset of resource identification, node;
S4: sign from preferred node to the node of waiting to obtain resource that return.
Wherein, parameter preset comprises at least among the above-mentioned steps S3:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
Correspondingly, when above-mentioned parameter preset comprises the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, above-mentioned steps S3: according to transmission speed, network interconnection current bandwidth parameter, network linking average retardation parameter and the average packet loss parameter of network linking of resource identification, node, in carrier network zone, server place, search preferred node, comprise;
According to resource identification, server judges whether to find in the server service scope can provide resource and energy speed to satisfy the node of transmission requirement, if, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, from resource being provided and can speed satisfying the node of transmission requirement, search preferred node;
Otherwise server is another server forwards acquisition request conforms in the carrier network zone, in finding the carrier network zone till the preferred node.
Further, the method that the embodiment of the invention provides when according to resource identification, is searched less than the node that resource can be provided in carrier network zone, server place, or after speed satisfied the node of transmission requirement, method also comprised:
The server forwards acquisition request conforms of server in the carrier network zone in another carrier network zone;
Server in another carrier network zone according to resource identification, is searched preferred node in another carrier network zone;
The preferred node that finds is returned to server in the carrier network zone;
Server in the carrier network zone returns the sign of the preferred node in another carrier network zone to the node of waiting to obtain resource.
Wherein, above-mentioned steps S1: according to the geographical location information of node, the operator's informaiton that provides node to serve, set up the carrier network region topology, comprising:
Node when carrying out P2P resource issue and self statement, provide self geographical location information, self operator's informaiton of service is provided;
According to geographical location information, provide self the service operator's informaiton, set up the carrier network region topology, wherein, comprise at least one carrier network zone in the carrier network region topology, arbitrary carrier network comprises at least one server in the zone; Arbitrary server is at least one node service.
Wherein, above-mentioned steps S3: according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking,, search preferred node, comprising from resource being provided and can speed satisfying the node of transmission requirement:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking is weighted value,,, searches preferred node according to the numerical value after the weighting value from resource being provided and can speed satisfying the node of transmission requirement.
Further, after above-mentioned steps S4, method also comprises:
Wait to obtain the node foundation of resource and linking of preferred node.
Wherein, when preferred node when being a plurality of,
Wait to obtain the node foundation of resource and linking of preferred node, comprising:
Wait to obtain the node foundation of resource and linking of at least one preferred node.
Above-mentioned by setting up the carrier network region topology, when the user initiated P2P, preferential selection and this user were under the jurisdiction of the node under the same carrier network region topology, just no longer continued the more node of link if speed satisfies the demands; Go to attempt the more and resource of link again if speed can not satisfy, select the node outside this carrier network zone at last.Thereby improve the pressure of network linking speed, reduction server, quickened service rate, the service stability of P2P network application; And reduced the service pressure of each operator, guaranteed the infrastructure service quality, reduced operation cost.
For the method that the invention described above embodiment is provided is elaborated, be specially point-to-point P2P network with above-mentioned network, it is example that above-mentioned node is specially the Peer node, sees also following embodiment:
Embodiment 1
In order to improve the pressure of network linking speed, reduction carrier server, the embodiment of the invention provides
A kind of method of network data transmission, referring to Fig. 2, this method thes contents are as follows:
101:, set up the carrier network region topology according to topology information and default foundation rule.
Wherein, for the method that the embodiment of the invention is provided is elaborated, referring to Fig. 3, the embodiment of the invention provides a kind of network area topology schematic diagram of foundation.Wherein, the foundation of this network area topology can be in the following way:
Each user adds the geographical location information of self, the description of operator's informaiton when carrying out issue of P2P resource and Peer self statement, correspondingly, then can be according to operator's informaiton and user's geographical location information, determine the user and belong to which carrier network zone, and then set up the carrier network region topology.
For example, as shown in Figure 3, each Peer node is when carrying out P2P, respectively self geographical position and self operator's informaiton are stated, correspondingly, set up network topology relation as shown in Figure 3, wherein, Peer nodes X, Peer node Y, Peer node Z are that the A of operator is served, and then will be divided into A carrier network zone with Peer node family X, Peer node Y, Peer node Z; In like manner, Peer node W, Peer node V are under the jurisdiction of B carrier network zone; Peer node Q, Peer node P, Peer node U are under the jurisdiction of C carrier network zone, wherein, link by communication link between each carrier network zone.
102: the user Peer nodes X of waiting to obtain resource sends acquisition request conforms to the server A in self network area, carries the mark of Peer nodes X, resource identification to be obtained in this acquisition request conforms.
Wherein, this step 102 takes place to mean and the P2P demand occurred.It is that example describes that present embodiment need carry out P2P with the user Peer nodes X in the A carrier network zone, the user who supposes this Peer nodes X correspondence wishes to obtain resource 5, and (this resource 5 is specifically as follows video resource, types such as file resource, present embodiment does not limit this), then self the corresponding server A of this Peer nodes X in A carrier network zone initiates acquisition request conforms, the sign of carrying the Peer nodes X in this request (for example can be IP (Internet Protocol, the agreement that interconnects between the network) address, the sign of resource 5 (for example can be key assignments key value).
103: server A receives acquisition request conforms, according to the resource identification that carries in the acquisition request conforms, searches the node resource mapping table of self.
Wherein, the server A self maintained the mapping relations of node resource, specifically can embody by the form of node resource mapping table, and referring to table 1, a kind of node resource that provides for the embodiment of the invention shines upon the signal table.
Table 1
| The sign of node | Institute has resource identification |
| X | Resource 1, resource 2 |
| Y | Resource 2, resource 3 |
| Z | Resource 7 |
| …… | …… |
Wherein, in A carrier network zone, can be by the geographical location information of each Peer node, further, determine each the Peer node that is under the jurisdiction of in this carrier network and which server to provide service function by respectively, for example, the present embodiment supposition, this server A provides service for Peer nodes X, Peer node Y and Peer node Z, the server A in this A carrier network zone ' then for Peer nodes X ', Peer node Y ' and Peer node Z ' (not shown) etc. provide service.Each server in the A carrier network zone all can be safeguarded local node resource mapping relation, and present embodiment does not limit this.
In like manner, all can maintenance class in pairing each server in each network area like the mapping relations of node resource, method is similar, repeats no more.
104: server A judges whether and can find the Peer node of the resource that this resource identification correspondence can be provided according to the node resource mapping table of self, if then execution in step 105; Otherwise, execution in step 109.
105: server A judge the Peer node find the resource transmission speed that can provide whether satisfy preset requirement, if then execution in step 106; Otherwise, execution in step 109.
106: server A is according to the current available bandwidth of the network interconnection, network linking average retardation, network linking average packet loss ratio, sorts to searching the Peer node that the resource transmission speed that obtains satisfies preset requirement, obtains preferred Peer node.
Wherein, when server A find resource that this resource identification correspondence can be provided and the resource transmission speed that can the provide Peer node that satisfies preset requirement when being a plurality of, then according to the current available bandwidth of the network interconnection, network linking average retardation, network linking average packet loss ratio, sort to searching the Peer node that the resource transmission speed that obtains satisfies preset requirement, obtain preferred Peer node, and then offer the user by the preferred Peer node that will select, improve user's experience, and improve network transmission efficiency.
For example, when server A find resource that this resource identification correspondence can be provided and the resource transmission speed that can the provide Peer node that satisfies preset requirement when being respectively Peer node R, Peer node T, the Peer node K (not shown) of server A among the A of this carrier network zone, then carry out following test to Peer node R, Peer node T, Peer node K respectively, with user R is that example describes, as follows:
1), to the Peer node R by test network flow, the network bandwidth, obtain the current available bandwidth interconnected with this Peer node R;
2), the Peer node R is passed through to send test packet, know the network linking average retardation interconnected with this Peer node R, wherein, can pass through UDP (User Datagram Protocol, User Datagram Protoco (UDP)) test realizes, also can pass through ICMP (Internet Control Message Protocol, internet control message protocol) test and realize that present embodiment does not limit this;
3), to the Peer node R by sending test packet, know the network linking average report lost rate interconnected with this Peer node R, wherein, can realize by the UDP test, also can realize that present embodiment does not limit this by the ICMP test;
As input, be weighted value with above-mentioned three parameters that obtain, thereby obtain according to the optimum Peer node that obtains of ordering after the weighting value.Wherein, being weighted when calculating, can be provided with by the network actual needs according to every shared weight, for example, when higher, can make first can account for 50% to network bandwidth requirement, all the other two respectively account for 25%; For another example, when network packet loss rate is had relatively high expectations, can make preceding two respectively to account for 30%, the three and account for 40%, present embodiment does not limit this.
107: server A is returned the sign of the preferred Peer node that ordering obtains to the user Peer nodes X of waiting to obtain resource.
Be example with above-mentioned Peer node R, Peer node T, Peer node K still, suppose that it is preferred Peer node that present embodiment is selected R, T, then server A is to waiting that the Peer nodes X of obtaining resource returns Peer node R, Peer node T corresponding identification.
108: wait to obtain the sign of the preferred Peer node that the user Peer nodes X reception server A of resource returns, set up and preferred linking of Peer node.
Wherein, wait to obtain the sign of the user Peer node of resource according to preferred Peer node, when setting up with the linking of preferred Peer node, when the number of preferred Peer node when being a plurality of, can set up respectively and the linking of each preferred Peer node, thereby improve the speed that the user obtains resource data further; Can be as required only set up and the linking of a preferred Peer node, present embodiment is not done any restriction to this yet.
So far, the user Peer node of waiting to obtain resource has been set up and self has been positioned under the same carrier network zone and the link of the Peer node of serving for same server A.
Further, search less than the Peer node that resource can be provided or search when satisfying the Peer node of transmission requirement in self server service scope, then carry out following steps less than speed when server A:
109: server A will be carried the mark of Peer node, the acquisition request conforms of resource identification to be obtained is forwarded to server A under the A carrier network zone '.
110: server A ' receive acquisition request conforms,, search the node resource mapping table of self according to the resource identification that carries in the acquisition request conforms.
111: server A ' judge whether and to find the Peer node of the resource that this resource identification correspondence can be provided according to the node resource mapping table of self, if then execution in step 112; Otherwise, execution in step 116.
112: server A ' judge the Peer node find the resource transmission speed that can provide whether satisfy preset requirement, if then execution in step 113; Otherwise, execution in step 116.
113: server A ' according to the current available bandwidth of the network interconnection, network linking average retardation, network linking average packet loss ratio, sort to searching the Peer node that the resource transmission speed that obtains satisfies preset requirement, obtain preferred Peer node.
114: server A ' return the sign of the preferred Peer node that obtains of ordering to server A, server A is with server A ' sign of the preferred Peer node that provides returns to the user Peer node of waiting to obtain resource.
115: wait to obtain the server A that the user Peer nodes X reception server A of resource returns ' sign of the preferred Peer node that provides is set up and preferred linking of Peer node.
Wherein, wait to obtain the sign of the user Peer node of resource according to preferred Peer node, foundation links with preferred Peer node, when the number of preferred Peer node when being a plurality of, can set up respectively and the linking of each preferred Peer node, thereby improve the speed that the user obtains resource data further; Can be as required only set up and the linking of a preferred Peer node, present embodiment is not done any restriction to this yet.
So far, the user Peer node of waiting to obtain resource has been set up and self has been positioned under the same carrier network zone but is not the link of the same server Peer node of serving.
Further, under A carrier network zone, do not have to provide the Peer node of this resource, perhaps, having can provide the Peer of this resource node but speed can't meet the demands the time, then carries out following steps:
116: server A is according to the interface bandwidth in self network area, place and heterogeneous networks zone, selection is arranged in the server in other carrier network zones, the acquisition request conforms of carrying the mark of Peer node, resource identification to be obtained is forwarded to the server of selection.Suppose the server C that has selected under the C carrier network zone.
Wherein, when carrying out this step, mean the following situation that occurred:
Promptly under the A carrier network zone at user Peer node self place of waiting to obtain resource, do not have to provide this to wait to obtain the Peer node of resource, perhaps, having can provide this Peer node of waiting to obtain resource but transmission speed can't meet the demands.
Then correspondingly, the server A under the A carrier network zone need be obtained resource to the server in other network areas.
117: the acquisition request conforms that server C reception server A transmits, find preferred Peer node, the sign of this preferred Peer node that finds is returned to server A.
Wherein, the resource identification that this server C carries in according to acquisition request conforms, the process that finds the preferred Peer node under the self zone is similar in above-mentioned steps 103-107 method, repeats no more.
118: server A is returned the sign of the preferred Peer node that server C provides to the user Peer node of waiting to obtain resource.
At this moment, the pairing node of sign of preferred Peer node has been to be positioned under the C carrier network zone.
119: wait to obtain the sign of the preferred Peer node that the user Peer nodes X reception server A of resource returns, linking of the preferred Peer node that provides with server C is provided.
Wherein, wait to obtain the sign of the user Peer node of resource according to preferred Peer node, when setting up with the linking of preferred Peer node, when the number of preferred Peer node when being a plurality of, can set up respectively and the linking of each preferred Peer node, thereby improve the speed that the user obtains resource data further; Can be as required only set up and the linking of a preferred Peer node, present embodiment is not done any restriction to this yet.
So far, wait that the user Peer node that obtains resource set up and the link that self is positioned at the Peer node under the different operators network area.
Further, under C carrier network zone, there is not to provide the Peer node of this resource, perhaps, having can provide the Peer of this resource node but speed can't meet the demands the time, then continues to obtain to other carrier network zones, for example, continuation is obtained to B carrier network zone, and method is similar, repeats no more.
The method of the point-to-point P2P network data transmission that the embodiment of the invention provides, by setting up the carrier network region topology, when the user initiates P2P, preferential selection and this user are under the jurisdiction of the Peer node under the same carrier network region topology, just no longer continue the more Peer node of link if speed satisfies the demands; Go again to attempt more Peer of link and resource if speed can not satisfy, select the Peer node outside this carrier network zone at last.Thereby improve the pressure of network linking speed, reduction server, quickened service rate, the service stability of P2P network application; And reduced the service pressure of each operator, guaranteed the infrastructure service quality, reduced operation cost.
Embodiment 2
Referring to Fig. 4, the embodiment of the invention provides a kind of system of network data transmission, and this system comprises: wait to obtain the node 401 of resource, the server 402 in the carrier network zone, wherein,
Wait to obtain the node 401 of resource, the server 402 that is used in the carrier network zone sends acquisition request conforms, also is used to receive the sign of the preferred node that the server 402 in the carrier network zone returns.
Wherein, above-mentioned parameter preset comprises at least: the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
Further, the system that the embodiment of the invention provides also comprises: another server 403 in the carrier network zone,
Correspondingly, server 402 in the carrier network zone specifically is used for according to resource identification, judging whether to find in the server service scope to provide resource and energy speed to satisfy the node of transmission requirement, if, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, from resource being provided and can speed satisfying the node of transmission requirement, select preferred node, return the sign of preferred node to the node 401 of waiting to obtain resource; Otherwise another server 403 in the carrier network zone of the server 402 in the carrier network zone is transmitted acquisition request conforms, in finding the carrier network zone till the preferred node;
Another server 403 in the carrier network zone, be used to receive the acquisition request conforms that the server 402 in the carrier network zone is transmitted, search preferred node according to resource identification, and the preferred node that will find returns to the server 402 in the carrier network zone.
Further, the system that the embodiment of the invention provides also comprises the server 404 in another carrier network zone, correspondingly,
Correspondingly, the server 404 in another carrier network zone is used to receive acquisition request conforms, according to resource identification, searches preferred node in another carrier network zone; The preferred node that finds is returned to server 402 in the carrier network zone.
Wherein, treating in the system that the embodiment of the invention provides obtained the node 401 of resource, also is used to set up and the linking of preferred node.
Wherein, the network that the invention described above embodiment provides is specifically as follows point-to-point P2P network, and above-mentioned node is specifically as follows the Peer node.
The system of the network data transmission that the embodiment of the invention provides, by setting up the carrier network region topology, when the user initiated P2P, preferential selection and this user were under the jurisdiction of the node under the same carrier network region topology, just no longer continued the more node of link if speed satisfies the demands; Go to attempt the more and resource of link again if speed can not satisfy, select the node outside this carrier network zone at last.Thereby improve the pressure of network linking speed, reduction server, quickened service rate, the service stability of P2P network application; And reduced the service pressure of each operator, guaranteed the infrastructure service quality, reduced operation cost.
Embodiment 3
Referring to Fig. 5, the embodiment of the invention provides a kind of server, and this server comprises:
Wherein, above-mentioned parameter preset comprises at least: the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
Wherein, the module 502 of searching in the server that provides of the embodiment of the invention comprises:
Judging unit is used for according to resource identification, and judging whether to find in the server service scope to provide resource and energy speed to satisfy the node of transmission requirement;
First processing unit, be used for working as the result of judgment unit judges for being, then,, select preferred node from resource being provided and can speed satisfying the node of transmission requirement according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking;
Second processing unit, be used for when the result of judgment unit judges for not, then to self be in another server forwards acquisition request conforms in the same carrier network zone, in finding the carrier network zone till the preferred node.
Further, the server that provides of the embodiment of the invention also comprises;
Forwarding module, be used in the carrier network zone, searching less than resource can be provided when searching module, or after speed satisfies the node of transmission requirement, to being in server forwards acquisition request conforms in the different operators network area, up to finding and self being in the different operators network area till the preferred node with self server.
Wherein, the server that the invention described above embodiment provides can be positioned at and be point-to-point P2P network, and above-mentioned node is specifically as follows the Peer node.
The server that the embodiment of the invention provides, after setting up the carrier network region topology, when the user initiated P2P, preferential selection and this user were under the jurisdiction of the node under the same carrier network region topology, just no longer continued the more node of link if speed satisfies the demands; Go to attempt the more and resource of link again if speed can not satisfy, select the node outside this carrier network zone at last.Thereby improve the pressure of network linking speed, reduction server, quickened service rate, the service stability of P2P network application; And reduced the service pressure of each operator, guaranteed the infrastructure service quality, reduced operation cost.
Embodiment 4
Referring to Fig. 6, the embodiment of the invention provides a kind of node, and node comprises:
Sending module 602, the server that is used in self carrier network zone, place sends acquisition request conforms, carries resource identification to be obtained in the acquisition request conforms;
Set up module 604, be used for sign, set up linking of the node corresponding with the sign of preferred node according to the preferred node of receiver module 603 receptions.
Wherein, the module 604 of setting up of the node that provides of the embodiment of the invention is specially:
Set up the unit, be used for, set up and the linking of at least one preferred node when preferred node when being a plurality of.
Wherein, the node that the invention described above embodiment provides can be positioned at and be point-to-point P2P network, and promptly this node is specifically as follows the Peer node.
The node that the embodiment of the invention provides, geographical location information by reporting self, provide self operator's informaiton of service, realized setting up the carrier network region topology, when the user initiates P2P, preferential selection and this user are under the jurisdiction of the node under the same carrier network region topology, just no longer continue the more node of link if speed satisfies the demands; Go to attempt the more and resource of link again if speed can not satisfy, select the node outside this carrier network zone at last.Thereby improve the pressure of network linking speed, reduction server, quickened service rate, the service stability of P2P network application; And reduced the service pressure of each operator, guaranteed the infrastructure service quality, reduced operation cost.
The technical scheme that the embodiment of the invention provides, add the geographical position of self, the description of operator's informaiton in issue of P2P resource and Peer statement by the user, thereby set up the carrier network region topology, when initiating P2P according to the IP range list of telecom operators, preferential Peer and the resource of selecting inside, one's respective area just no longer continues more Peer of link and resource if speed satisfies the demands; If can not satisfying, speed goes to attempt more Peer of link and resource again, select Peer and resource outside the present networks zone at last, thereby, quicken the service quality (speed, stability etc.) of P2P network application, reduce the service pressure of telecom operators, guarantee the infrastructure service quality, cut operating costs.Promptly, can make full use of the resource in the operator zone, reduce the pressure of operator when improving network linking speed by adding the relevant information of operator.Effectively avoided a large amount of cross operators, trans-regional network traffics to produce.
" reception " speech in the embodiment of the invention can be understood as and initiatively obtains from other modules also can be to receive the information that other modules are sent.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
Part steps in the embodiment of the invention can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, as CD or hard disk etc.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1, a kind of method of network data transmission is characterized in that, described method comprises:
According to the geographical location information of node, the operator's informaiton that provides described node to serve, set up the carrier network region topology;
Server in the carrier network zone receives the acquisition request conforms that the node of waiting to obtain resource sends, and carries resource identification to be obtained in the described acquisition request conforms;
According to transmission speed, the parameter preset of described resource identification, node, in carrier network zone, described server place, search preferred node;
Return the sign of described preferred node to the described node of waiting to obtain resource.
2, the method for claim 1 is characterized in that, described parameter preset comprises at least:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
3, method as claimed in claim 2 is characterized in that, described transmission speed according to described resource identification, node, parameter preset are searched preferred node in carrier network zone, described server place, comprising:
According to described resource identification, described server judges whether to find in described server service scope can provide resource and energy speed to satisfy the node of transmission requirement, if, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, satisfy the node of transmission requirement from described resource and the energy speed of can providing, find preferred node;
Otherwise described server is the described acquisition request conforms of another server forwards in described carrier network zone, in finding described carrier network zone till the preferred node.
4, the method for claim 1 is characterized in that, when according to described resource identification, search less than the node that resource can be provided in carrier network zone, described server place, or after speed satisfied the node of transmission requirement, described method also comprises:
The server forwards described acquisition request conforms of server in the described carrier network zone in another carrier network zone;
Server in described another carrier network zone according to described resource identification, is searched preferred node in described another carrier network zone;
The described preferred node that finds is returned to server in the described carrier network zone;
Server in the described carrier network zone returns the sign of the preferred node in described another carrier network zone to the described node of waiting to obtain resource.
5, the method for claim 1 is characterized in that, described geographical location information according to node, the operator's informaiton that provides described node to serve are set up the carrier network region topology, comprising:
Node when carrying out P2P resource issue and self statement, provide self geographical location information, self operator's informaiton of service is provided;
According to geographical location information, provide self the service operator's informaiton, set up the carrier network region topology, wherein, comprise at least one carrier network zone in the described carrier network region topology, described arbitrary carrier network comprises at least one server in the zone; Described arbitrary server is at least one node service.
6, method as claimed in claim 2, it is characterized in that, described transmission speed, network interconnection current bandwidth parameter, network linking average retardation parameter and the average packet loss parameter of network linking according to described resource identification, node, in carrier network zone, described server place, search preferred node, comprising:
Described network interconnection current bandwidth parameter, network linking average retardation parameter and the average packet loss parameter of network linking are weighted value, satisfy the node of transmission requirement from described resource and the energy speed of can providing, according to the numerical value after the weighting value, find out preferred node.
7, as the arbitrary described method of claim 1 to 6, it is characterized in that described method also comprises:
The described node of waiting to obtain resource is set up and the linking of described preferred node.
8, method as claimed in claim 7 is characterized in that, when described preferred node when being a plurality of,
The described node of waiting to obtain resource is set up and the linking of described preferred node, and comprising:
The described node of waiting to obtain resource is set up and the linking of at least one preferred node.
9, a kind of system of network data transmission is characterized in that, described system comprises: wait to obtain the node of resource, the server in the carrier network zone, wherein,
Described server is used to receive the acquisition request conforms that the described node of waiting to obtain resource sends, and carries resource identification to be obtained in the described acquisition request conforms; According to transmission speed, the parameter preset of described resource identification, node, in carrier network zone, described server place, search preferred node; Return the sign of described preferred node to the described node of waiting to obtain resource;
The described node of waiting to obtain resource is used for sending acquisition request conforms to described server, also is used to receive the sign of the preferred node that described server returns.
10, system as claimed in claim 9 is characterized in that, described parameter preset comprises at least:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
11, system as claimed in claim 10 is characterized in that, described system also comprises: another server in the described carrier network zone,
Correspondingly, described server specifically is used for according to described resource identification, judging whether to find in described server service scope to provide resource and energy speed to satisfy the node of transmission requirement, if, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, satisfy the node of transmission requirement from described resource and the energy speed of can providing, select preferred node, return the sign of described preferred node to the described node of waiting to obtain resource; Otherwise another server forwards described acquisition request conforms of described server in described carrier network zone is in finding described carrier network zone till the preferred node;
Described another server is used to receive the acquisition request conforms of described server forwards, searches preferred node according to described resource identification, and the described preferred node that finds is returned to described server.
12, system as claimed in claim 9 is characterized in that, described system also comprises the server in another carrier network zone,
Correspondingly, server in the described carrier network zone, also be used for working as according to described resource identification, in carrier network zone, described server place, search less than resource can be provided, or after speed satisfies the node of transmission requirement, the described acquisition request conforms of server forwards in described another carrier network zone; Also be used for returning the sign of the preferred node in described another carrier network zone to the described node of waiting to obtain resource;
Correspondingly, the server in described another carrier network zone is used to receive described acquisition request conforms, according to described resource identification, searches preferred node in described another carrier network zone; The described preferred node that finds is returned to server in the described carrier network zone.
As the arbitrary described system of claim 8 to 12, it is characterized in that 13, the described node of waiting to obtain resource also is used to set up and the linking of described preferred node.
14, a kind of server is characterized in that, described server comprises:
Receiver module is used to receive the acquisition request conforms that the node of waiting to obtain resource sends, and carries resource identification to be obtained in the described acquisition request conforms;
Search module, be used for transmission speed, parameter preset, in carrier network zone, described server place, search preferred node according to described resource identification, node;
Return module, be used for returning described sign of searching module searches to preferred node to the described node that obtains resource of waiting.
15, server as claimed in claim 14 is characterized in that, described parameter preset comprises at least:
The average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking.
16, server as claimed in claim 15 is characterized in that, the described module of searching comprises:
Judging unit is used for according to described resource identification, and judging whether to find in described server service scope to provide resource and energy speed to satisfy the node of transmission requirement;
First processing unit, be used for working as the result of described judgment unit judges for being, then according to the average packet loss parameter of network interconnection current bandwidth parameter, network linking average retardation parameter and network linking, satisfy the node of transmission requirement from described resource and the energy speed of can providing, select preferred node;
Second processing unit, be used for when the result of described judgment unit judges for not, then to self be in the described acquisition request conforms of another server forwards in the same carrier network zone, in finding described carrier network zone till the preferred node.
17, server as claimed in claim 14 is characterized in that, described server also comprises;
Forwarding module, being used for describedly searching module searches in the carrier network zone less than resource can be provided, or after speed satisfies the node of transmission requirement, to being in the described acquisition request conforms of server forwards in the different operators network area, up to finding and self being in the different operators network area till the preferred node with self server.
18, a kind of node is characterized in that, described node comprises:
Reporting module, be used to report self geographical location information, provide self the service operator's informaiton; Wherein, described geographical location information, described operator's informaiton are used to set up the carrier network region topology;
Sending module, the server that is used in self carrier network zone, place sends acquisition request conforms, carries resource identification to be obtained in the described acquisition request conforms;
Receiver module is used to receive the sign of the preferred node that described server returns;
Set up module, be used for sign, set up linking of the node corresponding with the sign of described preferred node according to the preferred node of described receiver module reception.
19, node as claimed in claim 18 is characterized in that, the described module of setting up is specially:
Set up the unit, be used for, set up and the linking of at least one preferred node when described preferred node when being a plurality of.
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