CN102387062A - Method for improving transmission rate of peer-to-peer (p2p) node in crossing network by dynamic bridging contact - Google Patents
Method for improving transmission rate of peer-to-peer (p2p) node in crossing network by dynamic bridging contact Download PDFInfo
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- CN102387062A CN102387062A CN2010102664367A CN201010266436A CN102387062A CN 102387062 A CN102387062 A CN 102387062A CN 2010102664367 A CN2010102664367 A CN 2010102664367A CN 201010266436 A CN201010266436 A CN 201010266436A CN 102387062 A CN102387062 A CN 102387062A
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Abstract
The invention relates to the field of peer-to-peer (p2p), mainly solves the problem of the data transmission of a node in crossing a network operator, and comprises the following steps: (1) logging in a server by a bridging contact; (2) enabling the bridging contact to serve as the father node of a p2p common node by the server; (3) receiving punching information to the p2p common node by the bridging contact; (4) receiving a data request to the p2p common node by the bridging contact; (5) replying p2p common node data by the bridging point; and (6) closing the bridging contact according to a strategy.
Description
Technical field
The present invention relates to the p2p field, mainly solve the data transmission problems of node when across a network operator.
Background technology
The great advantage of p2p (peerto peer) system is to make the user can effectively utilize the resource in the network, and these resources comprise data resource, bandwidth resources and computational resource.It has broken through the bottleneck of original C/S (server and client side) pattern, and good expandability is arranged.In the model of p2p, each node (peer) all has two kinds of roles: be client also be server, can be as client, and also can data and service be provided to other nodes as server to other node request msg and inquiry.But the effect of p2p also receives the restriction of several factors, and such as when the across a network operator, flow can receive very big restriction.This just makes the node under the different operators, the difficulty very alternately of data to each other, and have very big time-delay; This can not surpass tens of seconds internet video live broadcasting field at delay requirement, is to bring the customer experience that is difficult to tolerate.
Traditional settling mode is not treated the node of each operator with a certain discrimination; But coordinate each other to realize through node; This coarse scheduling can not (live node is fewer such as initially watching, and is distributed to various network grouping environment separately) produce good effect under specific environment.
Summary of the invention
The purpose of this invention is to provide the method that a kind of dynamic bridge contact improves the transmission speed of p2p node when across a network, may further comprise the steps: (1) bridge contact logon server; (2) server is with the father node of bridge contact as the p2p ordinary node; (3) bridge contact receives the information that burrows of p2p ordinary node; (4) bridge contact receives the request of data of p2p ordinary node; (5) bridge contact is replied p2p ordinary node data; (6) bridge contact is closed oneself according to strategy.
Further, in the above-mentioned steps: (1) bridge contact logon server; (1.1) bridge contact is with tcp mode logon server, and in the login bag, inserts self all address information; (1.2) then send heartbeat packet after bridge contact is logined successfully, and keep the whole login cycle to server; (2) server is with the father node of bridge contact as the p2p ordinary node; (2.1) server receives the information that a certain remote data source is watched in the request of p2p ordinary node; (2.2) server is judged the network packet i that this p2p ordinary node is affiliated; (2.3) if server can not find the father node of sufficient amount from network packet i; Then bridge contact is returned to the p2p ordinary node as father node; (3) bridge contact receives the information that burrows of p2p ordinary node; (3.1) bridge contact parses the request msg source address of p2p ordinary node; (3.2) bridge contact is to the server requests father node; (3.3) direct-connected between bridge contact and father node; (3.4) bridge contact obtains data from father node; (4) bridge contact receives the request of data of p2p ordinary node; (4.1) bridge contact receives the request of data of p2p ordinary node; (5) bridge contact is replied p2p ordinary node data; (5.1) bridge contact is replied p2p ordinary node data (6) bridge contact and is closed oneself according to strategy; (6.1) the bridge contact inspection is to the nearest request time of certain data source; (6.2) if this time and current time interval the time-out time of default, then stop to ask the data of this data source; (6.3) bridge contact deletion and the relevant resource of this data source of request, for example father node tabulation.
The creation environment of above-mentioned bridge contact is at multi-thread machine room and has a plurality of outer net IP.
Further, bridge contact obtains the outer net IP that all can normal communication from configuration file when initialization.
Above-mentioned bridge contact has the structure consistent with ordinary node.
Further, bridge contact has the network communication module consistent with ordinary node, father node administration module and local data cache module.
Above-mentioned dynamic bridge contact improves the method for the transmission speed of p2p node when across a network, also comprises: when it burrows, need return the outer net address that the network type with node is complementary as node according to the network type of this node.
Beneficial effect such as Fig. 6 adopt the method for above network data transmission, and when 100 nodes were arranged on network, average delay was in 30 milliseconds, and packet loss can be controlled in 5/1000ths.
Like Fig. 7, when 500 nodes were arranged on network, average delay was in 170 milliseconds, and packet loss can be controlled in 8/1000ths.
Description of drawings
Fig. 1 is the flow chart of bridge contact logon server; Fig. 2 is the flow chart that the server process node data is watched request; Fig. 3 is the sequential chart that ordinary node is communicated by letter with bridge node; Fig. 4 is the flow chart that bridge contact is rejected data source; Fig. 5 is the network diagram of bridge contact; Fig. 6 is packet loss surveillance map A; Fig. 7 is packet loss surveillance map B.
Embodiment
The flow chart of bridge contact logon server: step s100 is described below in conjunction with Fig. 1: bridge contact is read the corresponding outer net address of this node (generally meeting is more than) from configuration file; Step s110: bridge contact sends to logon server to the part of address information as log-on message; If login is unsuccessful, the N (3) that then makes repeated attempts is inferior, still unsuccessful then output journal, and the prompting keeper logins fault; Step s120: bridge contact is in the whole cycle that is connected with server, and what need timing sends heartbeat packet to server, keeps connection.
Prescribed server processing node data are watched the flow chart of request: step s200 in conjunction with Fig. 2: server listens to request of data information on serve port, and this information comprises the unique sign of data source that request is watched, the unique sign of requesting node; Step s210: server is found the corresponding network packet type NetX of this node according to unique sign of requesting node from land tabulation; Step s220: server filters out the node of watching same data source from the network packet type is the node listing of NetX, the foundation of screening is: watch same data source, from identical network packet; Step s230:, then choose the bridge contact that is in the consolidated network packet type with requesting node if the node sum that server is selected is less than N; Step s240: server sends to requesting node with the father node information of screening.
In conjunction with Fig. 3 the sequential chart that ordinary node is communicated by letter with bridge node: step s300 is described: ordinary node sends direct-connected request package to server, and this information comprises: unique indications of unique indications of destination node, the unique indications of data source, requesting node; Server receives after this information, and this bag is transmitted to destination node; Step s310: bridge contact judges that current whether can the permission connects, and criterion is its self networks situation, if good just permission is sent direct-connected response packet to it, otherwise do not allowed; For the node that allows to connect, bridge contact also will take out the unique indications of data source in the direct-connected request package, then to the server applying for watching; The father node tabulation (server should avoid the ordinary node in the s300 is regarded as the father node of bridge contact as far as possible) that server returns is preserved, attempt to it direct-connected and request for data then successively; Step s320: after bridge contact and ordinary node are direct-connected, the request of data of response ordinary node.
Explain that in conjunction with Fig. 4 bridge contact rejects the flow chart of data source: step s400: each data source of bridge contact traversal by request time Ti, this request time is in certain node request msg, to write down; This time gap current time is far away more, explains the request probability once more of this data source more low; Step s410: judge the size of Ti and the definite value Ts of system, if greater than would explain that all nodes all finish the request of data of this data source; Step s420: send the information that stops to watch this data source to server; Delete the corresponding father node tabulation of this data source.
Fig. 5 is the network diagram of bridge contact.
Claims (7)
1. a dynamic bridge contact improves the method for the transmission speed of p2p node when across a network, may further comprise the steps:
(1) bridge contact logon server;
(2) server is with the father node of bridge contact as the p2p ordinary node;
(3) bridge contact receives the information that burrows of p2p ordinary node;
(4) bridge contact receives the request of data of p2p ordinary node;
(5) bridge contact is replied p2p ordinary node data;
(6) bridge contact is closed oneself according to strategy.
2. dynamic bridge contact according to claim 1 improves the method for the transmission speed of p2p node when across a network, it is characterized in that, in the said step:
(1) bridge contact logon server;
(1.1) bridge contact is with tcp mode logon server, and in the login bag, inserts self all address information;
(1.2) send heartbeat packet to server after bridge contact is logined successfully, and keep the whole login cycle;
(2) server is with the father node of bridge contact as the p2p ordinary node;
(2.1) server receives the information that a certain remote data source is watched in the request of p2p ordinary node;
(2.2) server is judged the network packet i that this p2p ordinary node is affiliated;
(2.3) if server can not find the father node of sufficient amount from network packet i; Then with bridge contact as the father
Node returns to the p2p ordinary node;
(3) bridge contact receives the information that burrows of p2p ordinary node;
(3.1) bridge contact parses the request msg source address of p2p ordinary node;
(3.2) bridge contact is to the server requests father node;
(3.3) direct-connected between bridge contact and father node;
(3.4) bridge contact obtains data from father node;
(4) bridge contact receives the request of data of p2p ordinary node;
(4.1) bridge contact receives the request of data of p2p ordinary node;
(5) bridge contact is replied p2p ordinary node data;
(5.1) bridge contact is replied p2p ordinary node data
(6) bridge contact is closed oneself according to strategy;
(6.1) the bridge contact inspection is to the nearest request time of certain data source;
(6.2) if this time and current time interval the time-out time of default, then stop to ask this data source
Data;
(6.3) bridge contact deletion and the relevant resource of this data source of request.
3. dynamic bridge contact according to claim 1 and 2 improves the method for the transmission speed of p2p node when across a network, it is characterized in that, the creation environment of said bridge contact is at multi-thread machine room and has a plurality of outer net IP.
4. dynamic bridge contact according to claim 3 improves the method for the transmission speed of p2p node when across a network, it is characterized in that, said bridge contact obtains the outer net IP that all can normal communication from configuration file when initialization.
5. dynamic bridge contact according to claim 1 and 2 improves the method for the transmission speed of p2p node when across a network, it is characterized in that, said bridge contact has the structure consistent with ordinary node.
6. dynamic bridge contact according to claim 5 improves the method for the transmission speed of p2p node when across a network, it is characterized in that, said bridge contact has the network communication module consistent with ordinary node, father node administration module and local data cache module.
7. dynamic bridge contact according to claim 1 and 2 improves the method for the transmission speed of p2p node when across a network; It is characterized in that; When it burrows, need return the outer net address that the network type with node is complementary as node according to the network type of this node.
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| CN104871496A (en) * | 2012-12-20 | 2015-08-26 | 谷歌技术控股有限责任公司 | Methods and apparatus for transmitting data between different peer-to-peer communication groups |
| CN108063921A (en) * | 2017-12-26 | 2018-05-22 | 天津天地人和企业管理咨询有限公司 | A kind of optimization application process of embedded network monitoring equipment in P2P |
| CN110891082A (en) * | 2019-10-24 | 2020-03-17 | 南京可信区块链与算法经济研究院有限公司 | Method, system and storage medium for connecting P2P port address in alliance chain |
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| CN108063921A (en) * | 2017-12-26 | 2018-05-22 | 天津天地人和企业管理咨询有限公司 | A kind of optimization application process of embedded network monitoring equipment in P2P |
| CN110891082A (en) * | 2019-10-24 | 2020-03-17 | 南京可信区块链与算法经济研究院有限公司 | Method, system and storage medium for connecting P2P port address in alliance chain |
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Address after: 201799 building 6, No. 888, Huaxu highway, Xujing Town, Qingpu District, Shanghai Patentee after: SHANGHAI ULUCU ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 201700 building 6, No. 888, Huaxu Road, Xujing Town, Qingpu District, Shanghai Patentee before: SHANGHAI ULUCU ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A method of improving the transmission speed of P2P nodes across networks by dynamic Bridge Effective date of registration: 20220225 Granted publication date: 20140423 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Qingpu sub branch Pledgor: SHANGHAI ULUCU ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2022310000038 |
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