CN101558604B - Method and apparatus for peer-to-peer network traffic analysis - Google Patents

Method and apparatus for peer-to-peer network traffic analysis Download PDF

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Publication number
CN101558604B
CN101558604B CN200780044054.6A CN200780044054A CN101558604B CN 101558604 B CN101558604 B CN 101558604B CN 200780044054 A CN200780044054 A CN 200780044054A CN 101558604 B CN101558604 B CN 101558604B
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China
Prior art keywords
node
peer
super node
tabulation
identifies
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Expired - Fee Related
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CN200780044054.6A
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Chinese (zh)
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CN101558604A (en
Inventor
J·里萨南
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Nokia Technologies Oy
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Nokia Oyj
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Priority claimed from US11/907,780 external-priority patent/US20090106364A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/66Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/02Capturing of monitoring data
    • H04L43/026Capturing of monitoring data using flow identification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • H04L67/1061Peer-to-peer [P2P] networks using node-based peer discovery mechanisms

Abstract

A method and an apparatus can be provided for identifying and separately treating peer-to-peer traffic in a network. For example, the method can include identifying a supernode of a peer-to-peer network using intelligent heuristics. The method can also include identifying additional nodes of the peer-to-peer network using feedback. The method can further include marking the supernode and additional nodes as peer-to-peer nodes in a list. In certain embodiments, the method can additionally include updating the list using an intelligent update.

Description

The method and apparatus that is used for the peer-to-peer network business diagnosis
The cross reference of related application
The application relate to and require to submit on November 29th, 2006, U.S. Provisional Patent Application No.60/661,447 priority is by with reference to it is all incorporated at this.
Technical field
Present invention relates in general to for the network traffic analysis of finding equity (P2P) network connection from a plurality of existing network connections.Be known that P2P Network meeting causes congested in some computer network.In sign in such as the mobile network of general packet radio service (GPRS) and process this business for for the maximizing efficiency of Internet resources, being helpful.
Background technology
Usually identified by five-tuple (tuple) such as the network connection in the computer network of transmission control protocol/Internet protocol (TCP/IP) network, such as, the procotol of use, source address, source port, destination address and destination port.These five features or five-tuple are enough to uniquely, and marked network connects.When carrying out network traffic analysis, can identify in every way and process this five settings.For example, with HTML (Hypertext Markup Language) (HTTP) service identification be: agreement=TCP/IP, destination port 80, and in the five-tuple other arrange and can change.Like this, as seen, if known two setting in the five-tuple, then could mark business-type and it is classified.In stream the byte of data aspect, professional content can also be used for identifying applicable agreement, but sometimes may be encrypted business.This encryption may be so that be difficult to know the data type of transmitting, and make thus network analysis complicated.
Summary of the invention
An embodiment of the invention can be a kind of methods.The method can comprise the reciprocity connection mode of sign.The method can also comprise: will be professional for equity by the service marker of pattern identification.The method can also comprise that the destination address with described business is designated peer host.The method can also additionally comprise: described peer host is labeled as super node (supernode).The method can also comprise that the network connection that will go to described super node is considered as peer-to-peer network and connects.In some embodiments, the method can also comprise that sign no longer receives the professional peer node of equity; In a single day and identified the node that does not receive the equity business, then stop described node is considered as peer client.
Another execution mode of the application can be a kind of equipment.This equipment can comprise the first identify unit, and it is professional that configuration is used for identifying equity based on connection mode.This equipment can also comprise indexing unit, and it is that equity is professional that configuration is used for described service marker.This equipment can also comprise main control unit, configuration is used for the destination host of described business is defined as peer host, and described main frame is labeled as super node, wherein said main control unit is arranged to all that will go to described super node all-networks professional and that be connected described super node and connects and be considered as the peer-to-peer network connection.Should be noted that as used in this application " main control unit " uses term " master control " not because of this unit master control (participating in the action of master control something or other), but because this unit can be main frame with node-classification for example.In some embodiments, this equipment may further include: the second identify unit, configuration are used for sign and no longer receive the professional reciprocity specified node of equity, and remove the appointment of node as peer client.
Another embodiment of the present invention is other method.The method can comprise: use intelligence to inspire (heuristics) to identify the super node of peer-to-peer network.The method can also comprise: the additional node that identifies described peer-to-peer network with feedback.The method can also comprise described super node and additional node are labeled as peer node in the tabulation.In some embodiments, the method can additionally comprise: upgrade described tabulation with intelligent updating.
Additional execution mode of the present invention is another equipment.This equipment can comprise: the first identify unit, configuration are used for inspiring the super node that identifies peer-to-peer network with intelligence.This equipment can also comprise the second identify unit, and configuration is used for identifying with feedback the additional node of described peer-to-peer network.This equipment can also comprise indexing unit, and configuration is used for described super node and additional node are labeled as the peer node of tabulation.In some embodiments, this equipment can additionally comprise: upgrade described tabulation with intelligent updating.
Another embodiment of the invention can be the computer program that visibly is included on the computer-readable medium of coded command, and this instruction is used for carrying out various functions.This computer program can comprise for the instruction that inspires the super node that identifies peer-to-peer network with intelligence.This computer program can also comprise the instruction that identifies the additional node of described peer-to-peer network with feedback.This computer program can also comprise the instruction that described super node and additional node is labeled as the peer node in the tabulation.In some embodiments, this computer program can additionally comprise the instruction of upgrading described tabulation with intelligent updating.
Additional execution mode of the present invention can be another equipment.This equipment can comprise identity device, is used for inspiring the super node that identifies peer-to-peer network and the additional node that identifies described peer-to-peer network with feedback with intelligence.This equipment can also comprise labelling apparatus, is used for described super node and additional node are labeled as the peer node of tabulation.In some embodiments of the present invention, this equipment can also comprise updating device, is used for upgrading described tabulation with intelligent updating.
Description of drawings
For correct understanding the present invention, accompanying drawing is carried out reference, in the accompanying drawings:
Fig. 1 shows the flow chart according to embodiment of the present invention;
Fig. 2 is the generality diagram of P2P network, and wherein a plurality of nodes can be virtual direct-connected each other by hub or switch;
Fig. 3 shows to be arranged to and realizes equipment block diagram of the present invention; And
Fig. 4 shows the flow chart of another execution mode of the present invention.
Embodiment
Can be such method according to illustrative methods of the present invention, it is professional with sign P2P that it carries out network analysis, and stop P2P professional, the P2P business is charged or to the professional particular procedure of carrying out of this P2P, so that maximization is to effective use of the Internet resources of preciousness.
Such as for example Skype TMThe P2P network in, business is encrypted, and the central server that does not exist the P2P client continue to connect.This configuration so that be difficult to identifies the five-tuple that the utilization to the P2P agreement identifies.Some P2P network can some P2P node of special treatment; For example, if node has enough network capacitys, then in some cases, the P2P business can be routed by this node.Because it is used for carrying mass data and/or professional delivery power or capacity, this node is commonly called super node.
In network traffic analysis methods and system, can help to simplify processing to business to the sign of super node.Usually, be that P2P is professional to and from a large number of services of super node (perhaps sometimes all business).Like this, usually, be that P2P connects to and from all connections of super node.
Some execution mode of the present invention can inspire sign P2P five-tuple in network traffic analysis with the intelligence with feedback.The P2P client that for example, can be called node A can be identified by such fact: it creates a large amount of connections of going to other peer-to-peers in short time window (under many circumstances, can be shorter than 1 second).
Some method and system according to the present invention can identify this connection mode, and is that P2P is professional with this service marker.Some execution mode of the present invention for example can identify two features in the five-tuple, that is, and and agreement and source address.Therefore, network connection can be classified as the P2P business.The analysis of this one-phase can be called intelligent heuristics phase.
When finding five-tuple, destination host or other peer-to-peers that then can be called (for convenient) Node B in the P2P network can be considered as potential P2P hosts/clients.If a lot of connections of the Node B gone to are arranged, then Node B also can be marked as super node, and the network connection of going to it can be regarded as the P2P network connection.This analysis phase can be called feedback stage.
Some execution mode of the present invention can also identify the P2P node that no longer receives the P2P business.Under many circumstances, computer network can use dynamic internet protocol (IP) address assignment.In other words, the IP address of main frame or client can change along with the time.Some execution mode of the present invention can identify: within certain period, existing P2P client/main frame (for example, node A) is not received any P2P data or business.Therefore, this execution mode of the present invention will no longer be considered as the P2P client to node A.This can be called the intelligent updating stage of analysis.
Like this, some execution mode of the present invention can use intelligent inspiration, feedback and intelligent updating from Network sign P2P five-tuple information.This sign can be supported P2P Network classification, and supports to treat the P2P business in the mode that is different from other Networks.
This execution mode can help to enlarge markedly effective use of Internet resources, and avoids potentially exhausting valuable Internet resources.Existing network analytical method and system can not be to identify and to analyze the P2P Network in the mode that matches in excellence or beauty with embodiments of the present invention aspect the advantage.
Therefore, can detect the connection that node initiates to go to the predetermined quantity of other nodes in the given time at least according to some method and apparatus of embodiment of the present invention; And be the P2P node with this initiation node-classification and/or obtain the P2P five-tuple.Whether the node that some execution mode of the present invention can also detect such connection has the connection more than predetermined quantity of going to other nodes.
Some execution mode of the present invention can be the P2P node with this node-classification subsequently.Being used for identifying the scheduled time window of whether making the predetermined quantity connection for example can be 1 second, and the connection of predetermined quantity for example can be five connections within 1 second time period.Some execution mode of the present invention can make this parameter configurable.
Various execution mode of the present invention can be realized with polytype network and system, comprise the computer network that wherein is deployed with many P2P nodes, and honeycomb/IP Multimedia System (IMS) network, in this IMS network, honeycomb or mobile subscriber equipment be by base station communication or direct communication, and wherein user terminal can be or comprise that node and/or base station can be or comprise node.
Particular implementation of the present invention can also be embodied as the computer software that comprises at computer-readable medium, and wherein software can move at processor, and control processor is carried out for example step of said method.This software is also so that processor is configured to various hardware elements discussed herein.
More specifically, some execution mode of the present invention can for example be embodied as traffic analyser and/or firewall computer hardware, computer software or its mixing.Like this, some execution mode of the present invention for example can be implemented on all-purpose computer or the application-specific integrated circuit (ASIC) (ASIC).
Fig. 1 shows the flow chart according to embodiment of the present invention.According to Fig. 1, check 110, whether within the given period, initiated the connection of predetermined quantity in order to check the P2P client.If answer is "Yes", then will initiates node identification 120 and be the P2P node.Subsequently, check 130 to determine whether be connected to other nodes of initiating node has enough connection capacitys within the given period.If (for example, if they have the capacity that enough triggerings are inferred like this, that is, they are super nodes), then these other nodes are classified 140 and are the P2P node.
Whether execution mode shown in Fig. 1 and various other execution modes of the present invention can be monitored subsequently 150 and go to the business of P2P node, still transmitting for the P2P business of this node in order to determine.If in scheduled time slot, do not receive the P2P business, then no longer node is considered as the 160P2P node.
Fig. 2 is the generality diagram of P2P network, and wherein a plurality of nodes can pass through each other virtual direct connection of hub or switch (hub or switch is not shown).This network can be different from the client-server network, and in the client-server network, the all-network node all is connected to the public documents server for file service in logic.
For example, in a kind of popular P2P network implementation mode, node directly and another nodes sharing file, and need not with File Upload to file server for subsequent retrieval.As previously mentioned, the node of Fig. 2 can comprise various types of subscriber equipmenies, comprises cell phone, base station, computer, laptop computer, desktop computer etc.
Like this, for example node A, Node B, node C, node D and node E for example can be such mobile communication equipments: it can for example communicate with one another by mobile switching centre (MSC), base station (BS) or similar techniques.Alternatively, node can be the node by the LAN of the individual router in the physics Star topology or switch connection.Not needing all nodes all is the part of Same Physical network.
Fig. 3 shows and is arranged to the block diagram of realizing equipment of the present invention.This equipment can comprise initiates unit 310, the connection that these unit 310 monitor client nodes are initiated.Identify unit 320 can be the P2P node with initiating node identification, and indexing unit 330 can be that P2P is professional with service marker.
Identify unit 320 can depend on the various indexs of P2P business, such as, the quantity of the connection that in the special time frame, generates.Be used for P2P form of service and the other technologies that for example traditional web-browsing HTTP business is distinguished mutually also can be used.These unit can execution analysis intelligent heuristics phase.
One other identification unit 340 subsequently can based on meet specific criteria, go to the number of connection of other P2P nodes and identify this other P2P nodes, and return label unit 330 is with other P2P nodes of mark.These unit can execution analysis feedback stage.The P2P that goes taxon 350 to monitor to go to those nodes that are identified as the P2P node is professional, and can remove the P2P destination from the P2P node that no longer receives the P2P business.
Go taxon 350 to cooperate with identify unit 320, indexing unit 330 and one other identification unit 340, in order to carry out its operation.These unit can execution analysis the intelligent updating stage.
Fig. 4 shows the flow chart of another execution mode of the present invention.According to Fig. 4, at 401 places, the P2P client creates the connection of predetermined quantity in measuring preset time.At 402 places, the service marker that will come from this P2P client is that P2P is professional.At 403 places, use agreement and source address (its be in the five-tuple two), be that P2P connects with link sort.
At 404 places, as shown in Figure 4, destination host can be identified based on five-tuple.If connection capacity meets within a period of time for the preassigned of connection capacity, then at 405 places this destination host is categorized as P2P main frame or super node.
At 406 places, when the P2P business was lower than predetermined threshold or drops to 0, the P2P node was removed to be categorized as non-P2P node.Process shown in Fig. 4 can repeat, and described step must be only because it not just sequentially be illustrated with this and carries out according to the order shown in this.
It is readily appreciated by a person skilled in the art that the invention described above can utilize the step of different order to carry out, and/or utilize the hardware element that is different from the configuration disclosed herein to realize.Therefore, although described the present invention based on these preferred implementations, to those skilled in the art, some modification, variant and alternative construction are obvious, and fall in the spirit and scope of the present invention simultaneously.Therefore, in order to determine border of the present invention and scope, should be with reference to appended claims.

Claims (28)

1. method that is used for the peer-to-peer network business diagnosis comprises:
Identify reciprocity connection mode, wherein identify reciprocity connection mode and comprise definite connection of predetermined number of having initiated in the given time;
To be that equity is professional by the service marker of described reciprocity connection mode sign;
The destination address of described business is designated peer host;
Described peer host is labeled as super node; And
The network connection of going to the super node of mark is considered as peer-to-peer network to be connected.
2. method according to claim 1 further comprises:
Sign no longer receives the professional peer node of equity; And
Do not receive the professional node of equity in case identified, then stop described node is considered as peer client.
3. equipment that is used for the peer-to-peer network business diagnosis comprises:
It is professional that the first identify unit, configuration are used for identifying equity based on connection mode, wherein identifies reciprocity business and comprise definite connection of predetermined number of having initiated in the given time;
It is that equity is professional that indexing unit, configuration are used for described service marker;
Main control unit, configuration is used for the destination host of described business is defined as peer host, and described main frame is labeled as super node, wherein said main control unit is arranged to all of the super node that will go to mark all-networks professional and that be connected described super node and connects and be considered as the peer-to-peer network connection.
4. equipment according to claim 3 further comprises:
The second identify unit, configuration are used for sign and no longer receive the professional reciprocity specified node of equity, and remove the appointment of node as peer client.
5. method that is used for the peer-to-peer network business diagnosis comprises:
Inspire to identify the super node of peer-to-peer network with intelligence, the super node that wherein identifies peer-to-peer network comprises determines to have initiated in the given time the connection of predetermined number;
Identify the additional node of described peer-to-peer network with feedback; And
Described super node and additional node are labeled as peer node in the tabulation.
6. method according to claim 5 further comprises:
Upgrade described tabulation with intelligent updating.
7. method according to claim 6 is wherein upgraded described tabulation and is comprised: when node no longer participates in the peer-to-peer network business, described node removed from described tabulation.
8. method according to claim 5 wherein identifies described super node and comprises: at least two features that identify the five-tuple of described super node.
9. method according to claim 8, wherein said at least two features comprise agreement and source address.
10. method according to claim 5 wherein identifies described super node and comprises: identify number of connection that described super node runs into greater than the predetermined threshold in the scheduled time amount.
11. method according to claim 10, wherein said scheduled time amount is 1 second, and wherein said predetermined threshold is 5.
12. method according to claim 5 wherein identifies additional node and comprises: the node that sign is communicated by letter with described super node.
13. method according to claim 5 further comprises:
Based on described tabulation, stop with described tabulation on the communicating by letter of node.
14. method according to claim 5 further comprises:
Based on described tabulation, to node charging or the charge in the described tabulation.
15. method according to claim 5, wherein the described super node of mark and additional node comprise: specifically distinguish ordinary node and super node.
16. an equipment that is used for the peer-to-peer network business diagnosis comprises:
The first identify unit, configuration are used for inspiring the super node that identifies peer-to-peer network with intelligence, and the super node that wherein identifies peer-to-peer network comprises determines to have initiated in the given time the connection of predetermined number;
The second identify unit, configuration is used for identifying with feedback the additional node of described peer-to-peer network; And
Indexing unit, configuration are used for described super node and additional node are labeled as the peer node of tabulation.
17. equipment according to claim 16 further comprises:
Upgrade described tabulation with intelligent updating.
18. equipment according to claim 17 wherein upgrades described tabulation and comprises: when node no longer participates in the peer-to-peer network business, described node is removed from described tabulation.
19. equipment according to claim 16, wherein the described super node of mark and additional node comprise: specifically distinguish ordinary node and super node.
20. equipment according to claim 16 wherein identifies described super node and comprises: at least two features that identify the five-tuple of described super node.
21. equipment according to claim 20, wherein said at least two features comprise agreement and source address.
22. equipment according to claim 16 wherein identifies described super node and comprises: identify number of connection that described super node runs into greater than the predetermined threshold in the scheduled time amount.
23. equipment according to claim 22, wherein said scheduled time amount is 1 second, and wherein said predetermined threshold is 5.
24. equipment according to claim 16 wherein identifies additional node and comprises: the node that sign is communicated by letter with described super node.
25. equipment according to claim 16 further comprises:
Based on described tabulation, stop with described tabulation on the communicating by letter of node.
26. equipment according to claim 16 further comprises:
Based on described tabulation, to node charging or the charge in the described tabulation.
27. an equipment that is used for the peer-to-peer network business diagnosis comprises:
Identity device is used for inspiring the super node that identifies peer-to-peer network and with feeding back the additional node that identifies described peer-to-peer network, the super node that wherein identifies peer-to-peer network comprises definite connection of predetermined number of having initiated in the given time with intelligence; And
Labelling apparatus is used for described super node and additional node are labeled as the peer node of tabulation.
28. equipment according to claim 27 further comprises:
Updating device is used for upgrading described tabulation with intelligent updating.
CN200780044054.6A 2006-11-29 2007-11-19 Method and apparatus for peer-to-peer network traffic analysis Expired - Fee Related CN101558604B (en)

Applications Claiming Priority (5)

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US86144706P 2006-11-29 2006-11-29
US60/861,447 2006-11-29
US11/907,780 US20090106364A1 (en) 2007-10-17 2007-10-17 Method and apparatus for peer-to-peer network traffic analysis
US11/907,780 2007-10-17
PCT/IB2007/003545 WO2008065496A2 (en) 2006-11-29 2007-11-19 Method and apparatus for peer-to-peer network traffic analysis

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US7457293B2 (en) * 2004-04-05 2008-11-25 Panasonic Corporation Communication apparatus, method and program for realizing P2P communication
US20090299937A1 (en) * 2005-04-22 2009-12-03 Alexander Lazovsky Method and system for detecting and managing peer-to-peer traffic over a data network

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