CN101938524A - Method and system for handling P2P (Peer-to-Peer) services - Google Patents
Method and system for handling P2P (Peer-to-Peer) services Download PDFInfo
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- CN101938524A CN101938524A CN2010102890902A CN201010289090A CN101938524A CN 101938524 A CN101938524 A CN 101938524A CN 2010102890902 A CN2010102890902 A CN 2010102890902A CN 201010289090 A CN201010289090 A CN 201010289090A CN 101938524 A CN101938524 A CN 101938524A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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Abstract
The invention provides a method and a system for handling P2P (Peer-to-Peer) services. The method comprises the following steps of: if a deep packet inspection device detects a P2P service request sent by user equipment, redirecting the P2P service request to a control center; and if the control center searches a resource requested by the P2P service request in a buffer memory, transmitting the address of the buffer memory, that the resource is in, to the user equipment. The invention not only can guarantee the downloading speed, but also reduce the load of downloading and uploading of other Peer points.
Description
Technical field
The present invention relates to the computer network communication technology field, particularly a kind of professional method and system of equity interconnected (P2P) of handling.
Background technology
Nowadays, the P2P that increases (Peer to Peer, equity is interconnected) network traffics form very large impact to network fast, and the P2P download technology has changed traditional network function mode of modestly declining type, and each download point as much as possible takies the network bandwidth.In P2P uses, what take most of network bandwidth is download service, because P2P software is CP (content supplier) exploitation, CP not will consider yet can't know network condition, this directly causes P2P software not will consider network topology situation, bandwidth, congestion situation when downloading and arbitrarily chooses download point, set up a large amount of invalid links, increased the weight of network burden greatly, cause network congestion.
According to up-to-date statistics, the P2P flow has accounted for the over half of whole internet (internet) network traffics at present, and also have the trend that continues growth, for operator, the speed of the network capacity extension can not satisfy the growth of the P2P network traffics of explosion type far away.Common situation is, when the firm dilatation of network is finished, bandwidth moment of dilatation is just taken by the P2P flow, and for the client of operator, the P2P flow also seriously influences normal network service, and user's sensenet service speed reduces, and experiences to descend, then phenomenons such as net will occur changeing in a large number, cause the loss of operator.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and system of the P2P of processing business, with the download that reduces to order for Peer, upload load, reduces network congestion.
In order to solve the problems of the technologies described above, the invention provides a kind of professional method of equity interconnected (P2P) of handling, comprising:
Deep packet detection device is initiated the P2P service request if detect subscriber equipment, then this P2P service request is redirected to control centre;
Described control centre is if search described P2P service request institute requested resource in buffer memory equipment, then the address with this resource place buffer memory equipment sends to described subscriber equipment.
Further, said method also has following characteristics: described control centre then is transmitted to the P2P server with described P2P service request if do not search the requested resource with described P2P service request institute in buffer memory equipment.
Further, said method also has following characteristics: described control centre is transmitted to described P2P service request after the step of P2P server, also comprises:
The service of described P2P server at described P2P service request monitored by described control centre, indicates described buffer memory equipment to download the resource of the described P2P of stating service request according to the destination address of the described resource of described P2P server indication.
Further, said method also has following characteristics:
Before the step of the resource of the described P2P service request of described buffer memory equipment buffer memory, also comprise: described buffer memory equipment according at the fixed time the section in download time from how cached resources to be sorted to few order;
The step of the resource of the described P2P service request of described buffer memory equipment buffer memory is specially: described buffer memory equipment is then replaced the last resource of ordering with the resource of described P2P service request if judge free memory less than predetermined value.
Further, said method also has following characteristics: described control centre comprises the step that the address of this resource place buffer memory equipment sends to described subscriber equipment:
Described control centre determines the P2P agreement that described P2P service request is used;
Reply message according to described P2P agreement structure, the download address of described file resource is put into described answer message;
Described answer message is sent to described user.
In order to address the above problem, the present invention also provides a kind of professional system of equity interconnected (P2P) that handles, and comprising: deep packet detection device, control centre and buffer memory equipment,
Described deep packet detection device after being used to detect subscriber equipment and initiating the P2P service request, is redirected to described control centre with this P2P service request;
Described control centre is used for if search described P2P service request institute requested resource at described buffer memory equipment, and then the address with this resource place buffer memory equipment sends to described subscriber equipment;
Described buffer memory equipment is used for storage resources.
Further, described system also has following characteristics: described control centre also is used for then described P2P service request being transmitted to the P2P server if do not search described P2P service request institute requested resource at buffer memory equipment.
Further, described system also has following characteristics:
Described control centre, described P2P service request is transmitted to the P2P server also to be used for afterwards, monitor of the service of described P2P server, and, carry the destination address of the described resource of described P2P server indication to described buffer memory device transmits and downloads instruction at described P2P service request;
Described buffer memory equipment after also being used to receive described download instruction, is downloaded the resource of described P2P service request according to the destination address of the described resource of described P2P server indication.
Further, described system also has following characteristics:
Described buffer memory equipment also is used for before the resource of the described P2P service request of buffer memory, according to download time in the section at the fixed time from how cached resources to be sorted to few order; Specifically be used for during the resource of the described P2P service request of buffer memory,, then the resource of described P2P service request replaced the last resource of ordering if judge free memory less than predetermined value.
Further, described system also has following characteristics:
Described control centre, just the download address of this document resource sends to described user and is specially: determine the P2P agreement that described P2P service request is used, reply message according to described P2P agreement structure, the download address of described file resource is put into described answer message, described answer message is sent to described user.
To sum up, a kind of method and system of handling the P2P business provided by the invention, not only speed of download is secure, and the download that reduces to order for other Peer, uploads load.
Description of drawings
Fig. 1 is the schematic diagram of system of the processing P2P business of the embodiment of the invention;
Fig. 2 is the application scenarios schematic diagram of the system of processing P2P business of the present invention;
Fig. 3 is the flow chart of the method for processing P2P business of the present invention;
Fig. 4 is the flow chart of method of the processing P2P business of the embodiment of the invention.
Embodiment
Situation based on prior art, operator presses for the problem that flow blocks up that solves, and use at P2P, a kind of emerging detection technique appears in the recent period---and deep message detects (Deep Packet Inspection is called for short DPI), and it is different from traditional IP message flow recognition technology, IP message flow recognition technology is only discerned the five-tuple of IP message, the DPI technology has increased the analysis to application layer message on the basis of analyzing packet header, be a kind of technology based on application layer.Realize the optimization of P2P flow in the network in the present invention by the DPI technology, to avoid network congestion.
In order to understand the present invention better, the present invention is done to describe further below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram of system of the processing P2P business of the embodiment of the invention, and as shown in Figure 1, the system of present embodiment comprises: DPI equipment, control centre and buffer memory equipment, wherein,
DPI equipment is used for initiating the P2P service request if detect subscriber equipment, then this P2P service request is redirected to described control centre;
Control centre is used for if search described P2P service request institute requested resource at described buffer memory equipment, and then the address (that is download address) with this resource place buffer memory equipment sends to described user.Particularly, control centre determines the P2P agreement that described P2P service request is used, and replys message according to described P2P agreement structure, and the download address of described file resource is put into the download list of described answer message, and described answer message is sent to described user;
Described buffer memory equipment is used for storage resources.
Further, described control centre is not if search the file resource that described P2P service request is asked in buffer memory equipment, then described P2P service request is transmitted to the P2P server, and monitor of the service of described P2P server at described P2P service request, and, carry described P2P server purpose of indicating address and download to described buffer memory device transmits and downloads instruction;
Buffer memory equipment after also being used to receive described download instruction, is downloaded the resource of described P2P service request, the resource of the described P2P service request of buffer memory according to the destination address of the described resource of described P2P server indication.
Because the limited storage space of buffer memory equipment, can not store the resource of all downloads, need accept or reject stored resource, the principle that buffer memory is replaced in the present embodiment can be to carry out the ordering of downloaded resources according to the number of times of downloading, when resource is downloaded then rank increase of increased frequency, in one section setting-up time, there is not downloading flow (promptly ordering is last), free memory is less than predetermined value, then delete this and download content, replace new downloaded resources.
Fig. 2 is the application scenarios schematic diagram of the system of processing P2P business of the present invention.In actual applications, Virtual network operator need be disposed DPI equipment in outlet in the own network and key position; Dispose buffer memory equipment (cache equipment) simultaneously to store file to be downloaded; Set up the control and management center simultaneously and finish searching, replacing of cache contents, structure download list etc., as shown in Figure 2.
Wherein, DPI equipment major function in native system is an identification P2P business information, uses when the user starts P2P, and when P2P server requests download list, DPI equipment must be redirected to control centre with the request that originally sends to the P2P server.
Control centre is according to the content of request service, the file resource of storing in the search buffer memory equipment, if preserved this downloaded resources in the buffer memory, then control centre uses response message of (such as BT, a sudden peal of thunder etc.) structure according to concrete P2P and gives requesting users, particularly, according to the message of a response of corresponding message format structure, in message load (the following table that lists), add download address.
The user directly downloads from cache equipment according to this download list.Because when disposing in operator, the network bandwidth of cache equipment and time delay are guaranteed, so can guarantee best speed of download, meanwhile reduce the download of ordering for other Peer or upload load.If control centre does not search the downloaded resources of this request in cache, then this request is transmitted to the P2P server, meanwhile monitor its service, indicate described buffer memory equipment to download the resource of described P2P service request according to described P2P server purpose of indicating address, and this requested resource of buffer memory, so that provide same asset request service for other user.When other users ask this resource, then can download by this data in buffer.
Because the memory space of cache is limited, therefore can not store all downloaded resources, this just needs the replacement technology of buffer memory, the principle that buffer memory is replaced can be the rank of carrying out downloaded resources according to the number of times of downloading, when file is downloaded then rank increase of increased frequency, in one section setting-up time, do not have downloading flow then to delete this and download content, replace new downloaded resources.
By said method, operator can reduce the network congestion that the unordered flow of P2P is alleviated then so brought.
Fig. 3 is the flow chart of the method for processing P2P business of the present invention, as shown in Figure 3, comprises following step:
Like this, the user promptly can be postponed and be deposited in the equipment directly downloaded resources, and not only speed of download is secure, and the download that reduces to order for other Peer, uploads load.
Fig. 4 is the flow chart of method of the processing P2P business of the embodiment of the invention, as shown in Figure 4, can comprise following step:
Step 1: operator disposes DPI equipment at key position, and DPI equipment real-time monitoring P 2 P is used.
Step 2:DPI equipment is redirected to control centre with this P2P service request when finding the P2P client to P2P service request that the P2P server is initiated.
Step 3: control centre analyzes P2P user's solicited message, determines the P2P agreement (for example agreements such as BT, electric donkey, a sudden peal of thunder) of use, obtains the fileinfo of request, and the download time of this document is added up.
Step 4: the resource of control centre's search request in the cache that disposes if find corresponding resource, then turns to step 5; If do not find corresponding resource, then turn to step 7.
Step 5: if control centre finds corresponding resource, then construct the answer message of corresponding P2P agreement, the download address of this resource in the buffer memory is put into download list, the user just can download this requested resource from buffer memory like this.
Step 6: buffer memory equipment also carries out rank according to the download time of resource in the buffer memory, the last resource in renewal and the replacement buffer memory, the best service efficiency of assurance buffer memory.
When resource be downloaded increased frequency then rank increase, in one section setting-up time, do not have downloading flow, and the free memory in the buffer memory equipment then deletes the last resource less than predetermined value, replace new downloaded resources.
Step 7: if control centre does not search requested resource in buffer memory equipment, then this solicited message is sent to the P2P server, and monitor its service.
Step 8: control centre's this requested resource of indication buffer memory device downloads, so that be other user's same asset request service.
When buffer memory equipment did not have the downloaded resources of request, the user can directly download from original P2P server purpose of indicating address, and cache also can download portion from P2P server purpose of indicating address simultaneously, and later user can download from cache.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, described program can be stored in the computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Below only be the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. handle the professional method of equity interconnected (P2P) for one kind, comprising:
Deep packet detection device is initiated the P2P service request if detect subscriber equipment, then this P2P service request is redirected to control centre;
Described control centre is if search described P2P service request institute requested resource in buffer memory equipment, then the address with this resource place buffer memory equipment sends to described subscriber equipment.
2. the method for claim 1 is characterized in that:
Described control centre then is transmitted to the P2P server with described P2P service request if do not search the requested resource with described P2P service request institute in buffer memory equipment.
3. method as claimed in claim 2 is characterized in that: described control centre is transmitted to described P2P service request after the step of P2P server, also comprises:
The service of described P2P server at described P2P service request monitored by described control centre, indicates described buffer memory equipment to download the resource of the described P2P of stating service request according to the destination address of the described resource of described P2P server indication.
4. method as claimed in claim 3 is characterized in that:
Before the step of the resource of the described P2P service request of described buffer memory equipment buffer memory, also comprise: described buffer memory equipment according at the fixed time the section in download time from how cached resources to be sorted to few order;
The step of the resource of the described P2P service request of described buffer memory equipment buffer memory is specially: described buffer memory equipment is then replaced the last resource of ordering with the resource of described P2P service request if judge free memory less than predetermined value.
5. as each described method of claim 1-4, it is characterized in that: described control centre comprises the step that the address of this resource place buffer memory equipment sends to described subscriber equipment:
Described control centre determines the P2P agreement that described P2P service request is used;
Reply message according to described P2P agreement structure, the download address of described file resource is put into described answer message;
Described answer message is sent to described user.
6. handle the professional system of equity interconnected (P2P) for one kind, comprising: deep packet detection device, control centre and buffer memory equipment, wherein,
Described deep packet detection device after being used to detect subscriber equipment and initiating the P2P service request, is redirected to described control centre with this P2P service request;
Described control centre is used for if search described P2P service request institute requested resource at described buffer memory equipment, and then the address with this resource place buffer memory equipment sends to described subscriber equipment;
Described buffer memory equipment is used for storage resources.
7. system as claimed in claim 6 is characterized in that:
Described control centre also is used for then described P2P service request being transmitted to the P2P server if do not search described P2P service request institute requested resource at buffer memory equipment.
8. system as claimed in claim 7 is characterized in that:
Described control centre, described P2P service request is transmitted to the P2P server also to be used for afterwards, monitor of the service of described P2P server, and, carry the destination address of the described resource of described P2P server indication to described buffer memory device transmits and downloads instruction at described P2P service request;
Described buffer memory equipment after also being used to receive described download instruction, is downloaded the resource of described P2P service request according to the destination address of the described resource of described P2P server indication.
9. system as claimed in claim 8 is characterized in that:
Described buffer memory equipment also is used for before the resource of the described P2P service request of buffer memory, according to download time in the section at the fixed time from how cached resources to be sorted to few order; Specifically be used for during the resource of the described P2P service request of buffer memory,, then the resource of described P2P service request replaced the last resource of ordering if judge free memory less than predetermined value.
10. as the described system of claim 6-9, it is characterized in that:
Described control centre, just the download address of this document resource sends to described user and is specially: determine the P2P agreement that described P2P service request is used, reply message according to described P2P agreement structure, the download address of described file resource is put into described answer message, described answer message is sent to described user.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102890902A CN101938524A (en) | 2010-09-19 | 2010-09-19 | Method and system for handling P2P (Peer-to-Peer) services |
| PCT/CN2011/074707 WO2012034414A1 (en) | 2010-09-19 | 2011-05-26 | Method and system for processing peer to peer (p2p) services |
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| CN2010102890902A CN101938524A (en) | 2010-09-19 | 2010-09-19 | Method and system for handling P2P (Peer-to-Peer) services |
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| WO2012034414A1 (en) * | 2010-09-19 | 2012-03-22 | 中兴通讯股份有限公司 | Method and system for processing peer to peer (p2p) services |
| CN102651861A (en) * | 2011-02-24 | 2012-08-29 | 腾讯科技（深圳）有限公司 | Download method for mobile terminal, mobile terminal and proxy download server |
| CN102891807A (en) * | 2012-07-16 | 2013-01-23 | 北京东方网信科技股份有限公司 | Network flow cache method and system based on active guidance |
| CN103338115A (en) * | 2012-03-02 | 2013-10-02 | 株式会社Pfu | Information processing system, management terminal device, and information processing device |
| CN103581765A (en) * | 2012-08-02 | 2014-02-12 | 华为技术有限公司 | Method and equipment for message transmission |
| CN103685344A (en) * | 2012-09-03 | 2014-03-26 | 中国移动通信集团公司 | Synergetic method and system for multiple P2P (point-to-point) cache peers |
| CN103716343A (en) * | 2012-09-29 | 2014-04-09 | 重庆新媒农信科技有限公司 | Distributed service request processing method and system based on data cache synchronization |
| CN106790494A (en) * | 2016-12-14 | 2017-05-31 | 北京佰才邦技术有限公司 | The update method and buffer memory device of a kind of address information |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012034414A1 (en) * | 2010-09-19 | 2012-03-22 | 中兴通讯股份有限公司 | Method and system for processing peer to peer (p2p) services |
| CN102651861B (en) * | 2011-02-24 | 2014-08-20 | 腾讯科技（深圳）有限公司 | Download method for mobile terminal, mobile terminal and proxy download server |
| CN102651861A (en) * | 2011-02-24 | 2012-08-29 | 腾讯科技（深圳）有限公司 | Download method for mobile terminal, mobile terminal and proxy download server |
| WO2012113262A1 (en) * | 2011-02-24 | 2012-08-30 | 腾讯科技（深圳）有限公司 | Download method, system, and device for mobile terminal |
| CN103338115B (en) * | 2012-03-02 | 2016-12-28 | 株式会社Pfu | Information processing system, management termination, information processor |
| CN103338115A (en) * | 2012-03-02 | 2013-10-02 | 株式会社Pfu | Information processing system, management terminal device, and information processing device |
| US9219618B2 (en) | 2012-03-02 | 2015-12-22 | Pfu Limited | Information processing system, information processing device, management terminal device, and computer readable medium |
| CN102891807B (en) * | 2012-07-16 | 2015-10-28 | 北京东方网信科技股份有限公司 | A kind of network traffic cache method and system based on positive guide |
| CN102891807A (en) * | 2012-07-16 | 2013-01-23 | 北京东方网信科技股份有限公司 | Network flow cache method and system based on active guidance |
| CN103581765A (en) * | 2012-08-02 | 2014-02-12 | 华为技术有限公司 | Method and equipment for message transmission |
| CN103581765B (en) * | 2012-08-02 | 2016-12-21 | 华为技术有限公司 | The method and apparatus that a kind of message forwards |
| CN103685344A (en) * | 2012-09-03 | 2014-03-26 | 中国移动通信集团公司 | Synergetic method and system for multiple P2P (point-to-point) cache peers |
| CN103716343A (en) * | 2012-09-29 | 2014-04-09 | 重庆新媒农信科技有限公司 | Distributed service request processing method and system based on data cache synchronization |
| CN103716343B (en) * | 2012-09-29 | 2016-11-09 | 重庆新媒农信科技有限公司 | Distributed service request processing method and system based on data cache synchronization |
| CN106790494A (en) * | 2016-12-14 | 2017-05-31 | 北京佰才邦技术有限公司 | The update method and buffer memory device of a kind of address information |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012034414A1 (en) | 2012-03-22 |
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Application publication date: 20110105 |