CN101079783A - A method for establishing P2P channel in P2P network - Google Patents
A method for establishing P2P channel in P2P network Download PDFInfo
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- CN101079783A CN101079783A CN 200610060839 CN200610060839A CN101079783A CN 101079783 A CN101079783 A CN 101079783A CN 200610060839 CN200610060839 CN 200610060839 CN 200610060839 A CN200610060839 A CN 200610060839A CN 101079783 A CN101079783 A CN 101079783A
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Abstract
The invention discloses a P2P channel building method in the P2P network in the network communicating domain, which comprises the following steps: A. transmitting broadcast information within the network information of the joint for the joint in the same net segment; B. receiving the broadcast respond information returned by the joint in the same net segment; selecting the connected joint according to the joint network information carried in the broadcast respond information; reserving the network information of the connected joint; C. negotiating the P2P communicating transmitting protocol with the connected joint; establishing P2P channel. The invention saves broad band to reduce the server load, which improves the P2P service quality of LAN obviously.
Description
Technical field
The invention belongs to network communication field, relate in particular in the P2P network, set up the method for P2P passage between the node.
Background technology
Peer-to-peer network (Peer to Peer, P2P) system generally adopts lumped model, decentralized model, stratification model and 4 kinds of models of mixed model, and its network signal is respectively shown in a, b, c and d among Fig. 1.Wherein, centralized model adopts a server as Centroid, and simple in structure being convenient to managed.Generally, owing to manage in the resource set, it is very fast therefore to retrieve response ratio, and the network bandwidth of the whole network consumption of management maintenance is lower.Do not have central index server in the decentralized model, all nodes all are equality.In the stratification model, participate in the process of service at node, the node of choosing better performances wherein is as super node, super node management ordinary node, super node by the super node or the server admin of more senior one-level, constitutes into hierarchical setting again.Mixed model builds up a two-layer structure with whole P2P network, is made up of ordinary node and super node, and a super node is managed a plurality of ordinary nodes, and super node is a decentralized model.
In the network of above-mentioned lumped model, stratification model or mixed model, server is preserved the network information of node.When the node logging in network, report the place subnet information to server, server is by retrieval, will return to this node with other nodal informations of existence in this node is in same network segment mutually.Because the limited storage space of server, and the quantity of node magnanimity often, therefore server does not have enough spaces to preserve the network information of all nodes in certain network segment, can only preserve the network information of part of nodes, thereby cause node can't obtain the network information of all nodes in the needed phase same network segment.
Summary of the invention
The object of the present invention is to provide the method for setting up the P2P passage in a kind of P2P network, be intended to solve the restriction that exists in the prior art, cause node can't obtain the problem of the network information of all nodes in the needed phase same network segment owing to the server stores space.
The present invention is achieved in that the method for setting up the P2P passage in a kind of P2P network, and described method comprises the steps:
A. the node in the phase same network segment sends broadcast, the network information of carrying this node in the described broadcast;
B. receive the broadcasting response message that the node in the phase same network segment returns, select connected node, preserve the network information of connected node according to the network information of the node that carries in the broadcasting response message;
C and connected node are consulted P2P channel transfer agreement, set up the P2P passage.
The described network information comprises the P2P business information.
Described broadcast and broadcasting response message transmit by udp port.
Described method further comprises the steps:
D. according to the network information of the node of preserving, send probe data packet to the node of setting up the P2P passage.
Set up the method for P2P passage in a kind of P2P network, described method comprises the steps:
A. receive the broadcast that the node in the phase same network segment sends;
B. extract and preserve the network information of the node that carries in the described broadcast, return the broadcasting response message, carry the network information of this node in the message;
C. consult P2P channel transfer agreement with connected node, set up the P2P passage.
The described network information comprises the P2P business information.
Described broadcast and broadcasting response message transmit by udp port.
Described method further comprises the steps:
D. according to the network information of the node of preserving, send probe data packet to the node of setting up the P2P passage.
In the present invention, set up the P2P passage by broadcasting between the P2P node in the phase same network segment, saved the network bandwidth, reduced server load, and can significantly improve the P2P service quality of local area network (LAN).
Description of drawings
Fig. 1 is P2P network structure model figure in the prior art;
Fig. 2 is the P2P network structure model figure that the present invention is suitable for;
Fig. 3 is that node other nodes in the phase same network segment send broadcast among the present invention, sets up the realization flow figure of P2P passage;
Fig. 4 is that node receives the broadcast that other nodes send in the phase same network segment among the present invention, sets up the realization flow figure of P2P passage.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In the present invention, node other nodes in the phase same network segment send broadcast, and other nodes return the broadcasting response message after receiving broadcast, set up the P2P passage between the node.
Fig. 2 shows the P2P network structure model that the present invention is suitable for, and wherein server/super node can exist also and can not exist, and is example with 4 nodes, and node 1, node 2, node 3 and node 4 are in the same network segment.
In the present invention, when any one node in the network segment is started working, send broadcast, can carry the P2P business information such as programme information, data slice information of this node storage in the broadcast by industry ethernet other node in the network segment.After other active node is received broadcast in the network segment, return the broadcasting response message, preserve the other side's the network information between the node mutually, set up the P2P passage each other to the node that sends broadcast.
Fig. 3 shows node other nodes transmission broadcasts in the phase same network segment among the present invention, sets up the realization flow of P2P passage, and details are as follows:
In step S301, node starts, open acquiescence User Datagram Protoco (UDP) (User DatagramProtocol, UDP) listening port 48923, receive other nodes send in the phase same network segment broadcast or broadcasting response message;
In step S302, node udp port 48923 in the network segment sends broadcast, the network information of carrying this node in the message, for example P2P business information;
In step S303, judge whether the broadcasting response message of receiving that other nodes return, be execution in step S304 then, otherwise finish.Specifically can a timer be set,, then finish if do not receive the broadcasting response message that other nodes return regularly at node;
In step S304, receive the broadcasting response message of other nodes, extract the network information of the node that carries in the broadcasting response message, to select connected node, but for example have the node of shared network resource, the network information of preserving connected node is as the P2P business information;
In step S305, consult between node and the connected node to use P2P channel transfer agreement, as UDP/TCP, set up transmission control protocol (Transmission Control Protocol, TCP) direct channel.
Fig. 4 shows the broadcast that other nodes send in the node reception phase same network segment among the present invention, sets up the realization flow of P2P passage, and details are as follows:
In step S401, node starts, open acquiescence User Datagram Protoco (UDP) (User DatagramProtocol, UDP) listening port 48923, receive other nodes send in the phase same network segment broadcast or broadcasting response message;
In step S402, judge whether to receive the broadcast of other nodes, be execution in step S403 then, otherwise finish;
In step S403, receive the broadcast of other nodes, extract the network information of preserving the node that carries in the broadcast, return the broadcasting response message, carry the network information of this node in the message, as the P2P business information;
In step S404, consult between the node to use P2P channel transfer agreement, as UDP/TCP, set up the TCP direct channel.
After the P2P passage between the node is set up, each node can be preserved the network information of once setting up the node of P2P passage in the network segment, when initiating when professional, can be preferentially to the node transmission probe data packet of setting up the P2P passage, whether survey these nodes online.
In the present invention, the P2P node only sends udp broadcast message one time after starting, and can not produce big communication load to network.After other active node in the phase same network segment is collected broadcast, just set up the P2P passage between the node, each node all can be preserved the network information of connected node, has saved the network bandwidth, reduce server load, and can significantly improve the P2P service quality in the local area network (LAN).
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1, sets up the method for P2P passage in a kind of P2P network, it is characterized in that described method comprises the steps:
A. the node in the phase same network segment sends broadcast, the network information of carrying this node in the described broadcast;
B. receive the broadcasting response message that the node in the phase same network segment returns, select connected node, preserve the network information of connected node according to the network information of the node that carries in the broadcasting response message;
C. consult P2P channel transfer agreement with connected node, set up the P2P passage.
2, the method for claim 1 is characterized in that, the described network information comprises the P2P business information.
3, the method for claim 1 is characterized in that, described broadcast and broadcasting response message transmit by udp port.
4, the method for claim 1 is characterized in that, described method further comprises the steps:
D. according to the network information of the node of preserving, send probe data packet to the node of setting up the P2P passage.
5, set up the method for P2P passage in a kind of P2P network, it is characterized in that described method comprises the steps:
A. receive the broadcast that the node in the phase same network segment sends;
B. extract and preserve the network information of the node that carries in the described broadcast, return the broadcasting response message, carry the network information of this node in the message;
C. consult P2P channel transfer agreement with connected node, set up the P2P passage.
6, method as claimed in claim 5 is characterized in that, the described network information comprises the P2P business information.
7, method as claimed in claim 5 is characterized in that, described broadcast and broadcasting response message transmit by udp port.
8, method as claimed in claim 5 is characterized in that, described method further comprises the steps:
D. according to the network information of the node of preserving, send probe data packet to the node of setting up the P2P passage.
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| CN 200610060839 CN101079783A (en) | 2006-05-27 | 2006-05-27 | A method for establishing P2P channel in P2P network |
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| CN 200610060839 CN101079783A (en) | 2006-05-27 | 2006-05-27 | A method for establishing P2P channel in P2P network |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505263B (en) * | 2008-02-05 | 2011-10-26 | 华为技术有限公司 | Method and device for maintaining routing information |
| CN101582916B (en) * | 2009-06-19 | 2012-07-25 | 武汉钢铁(集团)公司 | Network application system based on P2P and application method thereof |
| CN105471983A (en) * | 2015-11-19 | 2016-04-06 | 广州云湾信息技术有限公司 | Method and system for establishing internet-of-things communication |
| CN105636175A (en) * | 2016-03-16 | 2016-06-01 | 中国联合网络通信集团有限公司 | Network access method and network equipment |
| CN109561124A (en) * | 2017-09-27 | 2019-04-02 | 深圳市创易联合科技有限公司 | A kind of method, system and the terminal device of file transmission |
| CN109936603A (en) * | 2017-12-18 | 2019-06-25 | 厦门本能管家科技有限公司 | One kind being based on the non-associated network network communication means of HTTP |
| CN112492053A (en) * | 2019-08-20 | 2021-03-12 | 厦门本能管家科技有限公司 | Cross-network penetration method and system for P2P network |
-
2006
- 2006-05-27 CN CN 200610060839 patent/CN101079783A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505263B (en) * | 2008-02-05 | 2011-10-26 | 华为技术有限公司 | Method and device for maintaining routing information |
| US8732298B2 (en) | 2008-02-05 | 2014-05-20 | Huawei Technologies Co., Ltd. | Method and apparatus for maintaining routing information |
| CN101582916B (en) * | 2009-06-19 | 2012-07-25 | 武汉钢铁(集团)公司 | Network application system based on P2P and application method thereof |
| CN105471983A (en) * | 2015-11-19 | 2016-04-06 | 广州云湾信息技术有限公司 | Method and system for establishing internet-of-things communication |
| CN105471983B (en) * | 2015-11-19 | 2019-05-28 | 广州云智易物联网有限公司 | A kind of method and system for establishing Internet of Things communication |
| CN105636175A (en) * | 2016-03-16 | 2016-06-01 | 中国联合网络通信集团有限公司 | Network access method and network equipment |
| CN109561124A (en) * | 2017-09-27 | 2019-04-02 | 深圳市创易联合科技有限公司 | A kind of method, system and the terminal device of file transmission |
| CN109936603A (en) * | 2017-12-18 | 2019-06-25 | 厦门本能管家科技有限公司 | One kind being based on the non-associated network network communication means of HTTP |
| CN109936603B (en) * | 2017-12-18 | 2022-07-01 | 本无链科技(深圳)有限公司 | Non-direct connection network communication method based on HTTP |
| CN112492053A (en) * | 2019-08-20 | 2021-03-12 | 厦门本能管家科技有限公司 | Cross-network penetration method and system for P2P network |
| CN112492053B (en) * | 2019-08-20 | 2023-04-07 | 本无链科技(深圳)有限公司 | Cross-network penetration method and system for P2P network |
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