CN103037018A - P2P node selecting method - Google Patents
P2P node selecting method Download PDFInfo
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- CN103037018A CN103037018A CN2012105882979A CN201210588297A CN103037018A CN 103037018 A CN103037018 A CN 103037018A CN 2012105882979 A CN2012105882979 A CN 2012105882979A CN 201210588297 A CN201210588297 A CN 201210588297A CN 103037018 A CN103037018 A CN 103037018A
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Abstract
The invention provides a P2P (Peer-to-Peer) node selecting method. The P2P comprises a source server, a central tracking server and a normal node, wherein the source server is used for storing resource information; the central tracking server is used for collecting the information of the normal node, including a request resource ID (Identity), an ISPID (Internet Service Provider Identity) in which the normal node is located and the ID of the normal node; and the information of other nodes under the same ISP is searched by the normal node through the central tracking server. The P2P node selecting method has the benefits that P2P nodes can be classified into clusters according to the ISP property, the nodes under the same ISP are in the same cluster, and the nodes are selected by the central tracking server only in the same ISP cluster. The communication efficiency among the P2P nodes is effectively increased by the method.
Description
Technical field
The invention belongs to the stream media technology field, more specifically, relate to a kind of P2P node selective system.
Background technology
ISP ISP namely comprehensively provides the telecom operators of Internet access business, information service and value-added service to users.At present, domestic ISP mainly contains telecommunications, UNICOM, movement etc., and communication speed is very fast between the network node in the same ISP, and the communication speed of striding between the ISP network node is relatively slow.
Conventional P 2P system is comprised of server and client side two large systems, and wherein server comprises node selection server and source server.The client that the Data Source that P2P client is downloading is identical is called the source with the attribute node, and node server record source is with the attribute nodal information.When new node need to join the P2P system, at first search the source with the attribute node from node server, then select some sources to form new P2P system with the attribute node.This node selecting method is not considered the characteristics such as the connectedness, transmission rate between the node, causes P2P efficient to be affected.
Summary of the invention
For addressing the above problem, the present invention preferentially selects source under the same ISP with the attribute node, and the purpose of optimizing to reach the P2P system effectiveness has proposed following technical scheme:
A kind of P2P node selective system, described P2P comprises source server, center tracking server and ordinary node, it is characterized in that:
Described source server is used for storage resources information;
Described center tracking server is used for collecting described ordinary node information;
Described ordinary node is to described source server request resource information;
Described ordinary node is to described center tracking server report and the relevant information of described ordinary node self, and these information comprise the ID of ISP at the described ordinary node of resource ID, this node place of request and the id information of the described ordinary node of this node;
Described center tracking server is kept at described ordinary node relevant information in the resource information tabulation.
Described resource information tabulation comprises resource ID, ISPID and node ID.Described resource ID is unique coded message of each resource in the source server; Described ISPID is unique coded message of ISP; Described node ID is unique coded message of each node.
When new described ordinary node joins in the P2P system, described new described ordinary node sends resource request information to described source server, send query requests to described center tracking server simultaneously, and self information is reported to described center tracking server.
Described center tracking server receives new described ordinary node query requests, ISPID according to described new described ordinary node request resource Information ID and described new described ordinary node place, inquire about the tracking server end resource information tabulation of described center, find some other described ordinary node ID, and Query Result is returned to described new described ordinary node.
Described center tracking server receives new described ordinary node information, comprises resource ID, ISPID and node ID, writes in the tracking server resource information tabulation of described center.
After described new described ordinary node obtains described some other described ordinary node ID, form new P2P system with these nodes.
Description of drawings
In order to make the present invention be convenient to understand, specific embodiments of the invention are described by reference to the accompanying drawings now.
Fig. 1 shows the P2P system and forms schematic diagram;
Fig. 2 shows resource information tabulation schematic diagram;
Fig. 3 shows How to choose P2P node schematic diagram.
Embodiment
Below in conjunction with accompanying drawing with preferred embodiment the present invention is described in further detail.The corresponding relation between the instantiation can following illustration among constitutive requirements and the embodiment in the claim.The intention of the description here is to confirm to have described in an embodiment the instantiation that is used for supporting the theme of stating in the claims, owing to described example in an embodiment, does not mean that this instantiation does not represent constitutive requirements.On the contrary, even comprised the element characteristic of instantiation as corresponding constitutive requirements at this, do not mean that this instantiation does not represent any other constitutive requirements yet.
In addition, the description does not here mean that corresponding to all themes of the instantiation of stating among the embodiment and has all quoted in the claims.In other words, this entity is not denied in the description here, i.e. the instantiation that comprises of corresponding embodiment, but be not included in its any one claim, that is and, correction that can be afterwards is by division and application or the entity that may invent that increases.
Should be noted that " system " means the processing that is made of two or more equipment at this.
Apparently, user terminal can be made of personal computer.In addition, described user terminal can also be by such as cell phone, any other PDA(personal digital assistant) instrument, AV(audio frequency and video) device, such as the CE(consumer-elcetronics devices of home electric (household electricity gasification) equipment) etc. formation.
" network " means the mechanism that has connected at least two equipment, and therein, an information can send to another equipment from an equipment.The equipment of setting up communication via network can be separated from one another, also can be the internal module that consists of a machine.
" communication " can represent radio communication and wire communication.Yet, can also be communicating by letter of hybrid wireless and wire communication, more specifically, take radio communication at certain section and take the communication of wire communication at another section.Equally, it also can be such communication: the communication from an equipment to another equipment is wired, and rightabout communication is wireless.
As shown in Figure 1, in the P2P system, the present invention relates to relevant therewith member and be: described source server, described center tracking server and described ordinary node.
Described source server is used for storage resources information; Described center tracking server is used for collecting described ordinary node information, the ID that comprises request resource ID, described ordinary node place ISPID and described ordinary node, the described ordinary node information that described center tracking server will be collected is kept in the resource information tabulation.
As shown in Figure 2, the content of the described resource information tabulation of preserving in the tracking server of described center, recording every kind of resource has the different described ordinary node that is under some ISP to process.
The P2P node selective system that the present invention adopts is carried out the method that the P2P node is selected, as follows: referring to Fig. 3, at first, new described ordinary node is to a certain specific resources of source server request, send query requests to described center tracking server simultaneously, and self information is reported to described center tracking server.
Described center tracking server receives new described ordinary node query requests, ISPID according to described new described ordinary node request resource Information ID and described new described ordinary node place, inquire about the tracking server end resource information tabulation of described center, find some other described ordinary node ID, and Query Result is returned to described new described ordinary node.
Described center tracking server receives new described ordinary node information, comprises resource ID, ISPID and node ID, writes in the tracking server resource information tabulation of described center.
After described new described ordinary node obtains described some other described ordinary node ID, form new P2P system with these nodes.
Therefore, a kind of P2P node selective system can be carried out sets classification according to the ISP attribute of P2P node, and same ISP node is in identity set, described center tracking server is only selected node in same ISP set, the method improves the internodal communication efficiency problem of P2P effectively.
Foregoing detailed description has been illustrated the various embodiment of system and/or process by embodiment and/or schematic diagram.With regard to these schematic diagrames and/or comprise with regard to one or more functions and/or the operation, it will be understood by those skilled in the art that each function among these schematic diagrames or the embodiment and/or operation can by various hardware, software, firmware or in fact its combination in any come individually and/or jointly realize.
Should be appreciated that method described herein can combined with hardware or software, or realize in conjunction with both combination in due course.Therefore, method of the present invention, can adopt the program code that is included in the tangible mediums such as floppy disk, CD-ROM, hard disk drive or any other machinable medium (namely, instruction) form, wherein, when program code in the situation that programmable calculator is carried out, computing equipment generally includes processor, readable storage medium (comprising volatile memory and/or memory element), at least one input equipment and at least one output equipment of this processor.One or more programs can be for example, and by using API, the process of describing in conjunction with the present invention is realized or utilized to reusable control etc.Such program preferably realizes with high level procedural or Object-Oriented Programming Language, to communicate by letter with computer system.Yet if necessary, this program can realize with assembler language or machine language.In any case, language can be compiler language or interpretative code, and realizes combining with hardware.
Need to prove that the category of a kind of P2P node selective system scheme of the present invention includes but not limited to the combination in any between the each part mentioned above.
Although illustrate and described the present invention with reference to its preferred embodiment particularly, those skilled in the art will appreciate that and to make the various changes on form and the details and do not break away from the scope of the present invention described in the appended claims.Abovely describe in detail in conjunction with specific embodiments of the invention, but be not to be limitation of the present invention.Any simple modification that every foundation technical spirit of the present invention is done above embodiment all still belongs to the scope of technical solution of the present invention.
Claims (6)
1. P2P node selective system, described P2P system comprises source server, center tracking server and ordinary node, it is characterized in that:
Described source server is used for storage resources information;
Described center tracking server is for the information of collecting described ordinary node;
Described ordinary node is to the described resource information of described source server request;
Described ordinary node is to described center tracking server report and the relevant information of described ordinary node self, and described relevant information comprises the ID of ISP at the resource ID of request, described ordinary node place and the id information of described ordinary node;
The information that described center tracking server is relevant with described ordinary node self is kept in the resource information tabulation.
2. P2P node selective system as claimed in claim 1 is characterized in that, described resource information tabulation comprises resource ID, ISPID and node ID; Described resource ID is unique coded message of each resource in the described source server; Described ISPID is unique coded message of ISP; Described node ID is unique coded message of each ordinary node.
3. P2P node selective system as claimed in claim 1, it is characterized in that, when new ordinary node joins in the P2P system, described new ordinary node sends resource request information to described source server, send query requests to described center tracking server simultaneously, and self information is reported to described center tracking server.
4. P2P node selective system as claimed in claim 3, it is characterized in that, described center tracking server receives the query requests of described new ordinary node, ISPID according to the described new described resource ID of ordinary node request and described new ordinary node place, inquire about the resource information tabulation of described center tracking server end, find some other ordinary nodes ID, and Query Result is returned to described new ordinary node.
5. P2P node selective system as claimed in claim 3 is characterized in that, described center tracking server receives described new ordinary node information, comprises resource ID, ISPID and node ID, writes in the resource information tabulation of described center tracking server.
6. P2P node selective system as claimed in claim 3 is characterized in that, after described new ordinary node obtains described some other ordinary nodes ID, forms new P2P system with these nodes.
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| CN2012105882979A CN103037018A (en) | 2012-12-31 | 2012-12-31 | P2P node selecting method |
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| CN2012105882979A CN103037018A (en) | 2012-12-31 | 2012-12-31 | P2P node selecting method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475719A (en) * | 2013-09-12 | 2013-12-25 | 北京科技大学 | Content distribution method for minimizing cross-domain flows in CDN-P2P fusion network |
| CN104657385A (en) * | 2013-11-22 | 2015-05-27 | 乐视网信息技术（北京）股份有限公司 | Search method and device of node |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101459614A (en) * | 2008-12-24 | 2009-06-17 | 腾讯科技（深圳）有限公司 | Method, system and equipment for network data transmission |
| CN101959054A (en) * | 2009-07-14 | 2011-01-26 | 中国电信股份有限公司 | Integrated P2P (Peer-To-Peer) VOD (Video-On-Demand) system and partner node selecting method |
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2012
- 2012-12-31 CN CN2012105882979A patent/CN103037018A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459614A (en) * | 2008-12-24 | 2009-06-17 | 腾讯科技（深圳）有限公司 | Method, system and equipment for network data transmission |
| CN101959054A (en) * | 2009-07-14 | 2011-01-26 | 中国电信股份有限公司 | Integrated P2P (Peer-To-Peer) VOD (Video-On-Demand) system and partner node selecting method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475719A (en) * | 2013-09-12 | 2013-12-25 | 北京科技大学 | Content distribution method for minimizing cross-domain flows in CDN-P2P fusion network |
| CN103475719B (en) * | 2013-09-12 | 2016-08-31 | 北京科技大学 | The content distribution method that in a kind of CDN-P2P UNE, cross-domain flow rate minimizes |
| CN104657385A (en) * | 2013-11-22 | 2015-05-27 | 乐视网信息技术（北京）股份有限公司 | Search method and device of node |
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