CN101582916B - Network application system based on P2P and application method thereof - Google Patents
Network application system based on P2P and application method thereof Download PDFInfo
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Abstract
The invention discloses a network application system based on P2P and an application method thereof, wherein, the application method based on P2P comprises the following steps: a physical network based on P2P is mapped to a virtual flat network based on P2P; nodes in the network based on P2P are interacted with each other according to the message protocol based on XML in serverless condition. Distributed cooperative computing, parallel transaction processing and cloud calculative rudiment are realized by the invention.
Description
Technical field
The present invention relates generally to network application, and more specifically, relating to the P2P technology serves as that the basis is to network application system and cut-in method.
Background technology
The P2P peer-to-peer network is a technology in vogue on the internet in recent years, is applied to video, music and other data file sharing download at first, is just becoming one of basic technology of frameworks such as distributed data processing, cloud computing at present.P2P has but brought puzzlement to telecom operators when user's high-speed data is uploaded downloading experience bringing, and but fails to bring operator enough incomes because it has taken a large amount of network bandwidths.In order to satisfy the requirement of user to network quality; Expand outlet bandwidth on the one hand, try every possible means on the one hand rate of discharge is controlled, both expended a large amount of costs; Produce little effect again, this is a great problem of all kinds of catenet O&M users of puzzlement and telecom operators always for a long time.Domestic and international at present needleless still is to the real effectively solution of operator.And,, also be a challenge that faces in the present world wide how for new network cloud calculates the carrying application platform that a best is provided.
Therefore, need a kind of network application solution, can solve the problem in the above-mentioned correlation technique based on P2P.
Summary of the invention
The objective of the invention is to above-mentioned at least one problem; Through realizing that the P2P peer-to-peer network technology be the application framework on basis, mass data resource-sharing, instant messaging, real-time video monitoring and high load capability streaming media service and the digital copyright management demand under solution Intranet and the Internet network environment, the application platform of distributed data computing environment is provided.
According to an aspect of the present invention, a kind of network application system based on P2P is provided, has comprised a plurality of nodes, each node includes: control unit is used for the physical network based on P2P is mapped as the network based on P2P of virtual flattening; And business unit, be used to utilize messaging protocol and other nodes to carry out the data interaction under the serverless backup state based on XML.
Wherein, control unit also is used for when node inserts the network based on P2P, utilizing TCP or udp protocol to detect and whether having adjacent node; When detecting adjacent node; Control Node control generates and is used for the unique identification of node and unique identification is sent to adjacent node, and the unique identification that obtains adjacent node, node is registered in the network based on P2P; And do not detecting when having adjacent node, select transfer continuation of the journey node preset in the network as adjacent node and bridger.
Wherein, business unit provides also that main flow multimedia decoder on each operating platform drives, video data carries out to Java2D image buffer data in high speed format conversion, to the video card memory cell that direct read, high-speed video playback are played up, thread task decomposition data is calculated and data copyright management is examined.
Wherein, business unit checks through digital signature and watermark whether data have the application information of downloading permissions and checking user submission and carry out the data copyright management examination.
Wherein, control unit becomes a plurality of data segments with the data decomposition to be calculated of business unit, and each data segment is distributed to the business unit in one or more other nodes, to carry out Distributed Calculation.
According to another aspect of the present invention, a kind of network application method based on P2P is provided, has may further comprise the steps: the network based on P2P that will be mapped as virtual flattening based on the physical network of P2P; And based on utilize between each node in the network of P2P messaging protocol based on XML carry out the serverless backup state under alternately.
Wherein, each node provides all that main flow multimedia decoder on each operating platform drives, video data carries out to Java2D image buffer data in high speed format conversion, to the video card memory cell that direct read, high-speed video playback are played up, thread task decomposition data is calculated and data copyright management is examined.
Wherein, this method is further comprising the steps of: check through digital signature and watermark whether data have the application information of downloading permissions and checking user submission and carry out the data copyright management examination.
Wherein, this method is further comprising the steps of: each node becomes a plurality of data segments with data decomposition to be calculated, and each data segment is distributed in one or more other nodes, to carry out Distributed Calculation.
Through embodiment of the present invention, can realize following technique effect:
(1) the complete self-defined P2P application framework of scalability; Integrated instant communication function; Realize that by P2P Internet resources in the Intranet scope compile and share, and possess practical digital copyright management technology and the high-quality legal resource downloading service of charging is provided for the user;
(2) realize that multimedia form compatibility and high-speed playback on each big mainstream operation system platform play up, the real time flow medium transmission (like Network Video Surveillance) of serverless backup pattern is provided; And
(3) network distributed cooperation based on P2P calculates, and realizes parallel transaction and cloud computing blank.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is further specified.
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the block diagram that illustrates according to an embodiment of the invention based on node in the network application system of P2P;
Fig. 2 is the flow chart that illustrates according to an embodiment of the invention based on the P2P method for network access;
Fig. 3 illustrates the annexation sketch map between each network node in accordance with another embodiment of the present invention;
Fig. 4 is the networking sketch map of another embodiment according to the present invention.And
Fig. 5 illustrates the flow chart based on the P2P method for network access of another embodiment according to the present invention.
Embodiment
To combine accompanying drawing to specify embodiments of the invention below.
Fig. 1 is the block diagram that illustrates according to an embodiment of the invention based on node in the network application system of P2P.
With reference to Fig. 1, the network application system based on P2P among this embodiment comprises a plurality of nodes 100, and each node 100 includes: control unit 106 is used for the physical network based on P2P is mapped as the network based on P2P of virtual flattening; And business unit 104, be used to utilize messaging protocol and other nodes to carry out the data interaction under the serverless backup state based on XML.
Wherein, Control unit 106 also is used for when node inserts the network based on P2P; Utilize TCP or udp protocol to detect whether there is adjacent node, when detecting adjacent node, Control Node control generates and is used for the unique identification of node and unique identification is sent to adjacent node; And the unique identification that obtains adjacent node; Node being registered in the network based on P2P, and, select transfer continuation of the journey node preset in the network as adjacent node and bridger not detecting when having adjacent node.
Wherein, business unit 104 provides also that main flow multimedia decoder on each operating platform drives, video data carries out to Java2D image buffer data in high speed format conversion, to the video card memory cell that direct read, high-speed video playback are played up, thread task decomposition data is calculated and data copyright management is examined.
Wherein, business unit 104 checks through digital signature and watermark whether data have the application information of downloading permissions and checking user submission and carry out the data copyright management examination.
Wherein, control unit 106 becomes a plurality of data segments with the data decomposition to be calculated of business unit, and each data segment is distributed to the business unit in one or more other nodes, to carry out Distributed Calculation.
Fig. 2 is the flow chart that illustrates according to an embodiment of the invention based on the P2P network application method.
With reference to Fig. 2, the network application method based on P2P among this embodiment may further comprise the steps: step S202 will be mapped as the network based on P2P of virtual flattening based on the physical network of P2P; And step S204, based on utilize between each node in the network of P2P messaging protocol based on XML carry out the serverless backup state under alternately.
Method among this embodiment also comprises step S206, during with the new node access network, detects whether there is its adjacent node, detecting when having adjacent node, carries out the mutual registration of node and adjacent node.
Wherein, Step S206 comprises: detecting when having adjacent node; Generation is used for the unique identification of new node and unique identification is sent to adjacent node, and adjacent node sends to node with its unique identification, to accomplish the mutual registration between node and the adjacent node.
Wherein, utilize TCP or udp protocol to detect and whether have adjacent node.
Wherein, step S206 also comprises: do not detecting when having adjacent node, just selecting transfer continuation of the journey node preset in the network as adjacent node and bridger, and registering each other with it.
Wherein, each node in the network carry out also that main flow multimedia decoder on each operating platform drives, video data to the format conversion of Java2D data, to the video card memory cell carry out direct read, the high-speed video playback is played up and data copyright management is examined.
Wherein, check through digital signature and watermark whether data have the application information of downloading permissions and checking user submission and carry out the data copyright management examination.
Wherein, each node also is used to carry out thread task decomposition data and calculates, wherein; Data to be calculated are broken down into a plurality of data segments, and each data segment is distributed in one or more other nodes, to carry out Distributed Calculation; And utilize the Hash table each data segment to be identified with label; And define the position of each data segment in data to be calculated, and after accomplishing the calculating of corresponding data segment at each node, result of calculation is sent to client; Client is carried out the reorganization reduction of data according to label and position, and said position is the bytes store skew.
Come to describe in further detail an alternative embodiment of the invention with reference to Fig. 3 below.
In this embodiment, form by a plurality of peer-to-peer network node modules and peer-to-peer network transfer continuation of the journey functional module.Node module is realized as the function of peer-to-peer network entity, is accomplished formation and the operation of peer-to-peer network P2P.Transfer continuation of the journey functional module is optional part, in order to ensure under extreme case (in the time of only having access to transfer continuation of the journey module like the peer-to-peer network interior nodes) can guarantee that complete rupture does not appear in the interconnected topology of peer-to-peer network, but guarantee the runnability of peer-to-peer network.The use of transfer continuation of the journey module whether by node software according to network environment automatic decision whether use.
What this embodiment adopted is virtual point-to-point peer-to-peer network model, does not therefore have this structure of server/customer end (C/S).In this embodiment, each node on the peer-to-peer network be server also be client, possess the function of the two simultaneously, become a P2P peer-to-peer network node, thereby with the network configuration of complicacy oversimplify, flattening.Each node in this network can push file and data to other nodes, and the file or the data that also can receive from other nodes push deployment.As shown in Figure 3; Each node module 100 all comprises NE 102, control unit 106, input-output unit 308 and business unit 104, the responsible node networking respectively of these unit, nodal function control, data input and output and user oriented Business Processing.Each node 100 all within it portion keep a daemon thread and a node topology table, be used to write down this peer-to-peer network interior nodes topological structure, and open TCP SM service monitoring port, wait for the task requests that other nodes send, and be ready.
When a new node is prepared access network; The control unit 106 of this new node will start the network detecting through its NE 102; And utilize TCP or UDP (automaticallying switch) the nearest node of agreement detection range oneself whether to exist according to network environment; That is, survey whether there is the node module that is in same subnet with this new node, then do not attempt to seek transfer continuation of the journey module if do not exist.After detecting adjacent node; To carry out internodal communication between the node of this new access and its adjacent node based on the customized signaling agreement of TCP or UDP; Should generate its unique identification data by the new node that inserts; And this unique identification data is sent to its adjacent node, and the unique identification data of obtaining this adjacent node from its adjacent node to be accomplishing these two internodal mutual registrations, thus accomplish the operation that node gets into peer-to-peer network.
After NE 102 returns the networking message of successful; The user interactions demand that control unit 106 just will be issued by business unit 104 (like resource searching, share, data propelling movement etc.) converts data IO Command primitive into, and carries out the IO operation through input-output unit.
Business unit 104 will be responsible for representing the upper layer application logic to the user, realize the instant messaging between the peer-to-peer network node through the messaging protocol based on XML (extending mark language).Business unit 104 will provide the main flow multimedia decoder that is suitable on each operating system platform to drive simultaneously and accomplish the video initial data to the format conversion of Java2D image buffer, again the high-speed video playback is write direct, accomplished to the video card memory cell and play up.For all interactive information, whether business unit 104 will possess the download permissions through digital signature and watermark check business datum, and the application information of checking user submission, thereby accomplish the data copyright management examination under the peer-to-peer network environment.
In addition; The capable of using node resource situation of network feedback data in the user provides current peer-to-peer network environment that business unit 104 also provides according to input-output unit; And to the user Various types of data computing function is provided through application programming interfaces; Through control unit the calculation task step is decomposed, is dispersed into other nodes that possess equal conditions and holds consultation with each node with messaging protocol, to accomplish Distributed Calculation.
In this embodiment, preferably, adopt the Java platform that the opening interface form is provided, realize that with reference to Java NIO and XML technology non-blocking network connects and calculating unit language package design;
Preferably; Adopt Java Swing technology to realize flexibly, can plug sense organ (Look andFeel) user interface; Irrelevant with operating system platform, applicable to the main flow OS of any Java support, and remain the interface consistency; Its performance is local binary code operation through instant compile optimization of Java VM later stage, and speed is excellent;
Preferably, this embodiment also realizes standard with reference to Java platform P2P fundamental norms and XML, and it is carried out protocol extension; Realize 128 unique ID in the whole world through the GUID algorithm; P2P cloud form attitude information data is carried out Compression and Transmission through standard ZIP stream, reduce the network bandwidth and take raising speed.With XML is basis definition agreement unit language, and in client-side program, realizes explaining and carry out.Utilize Socket API to realize that with the TCP mode node connects.The realization of peer-to-peer network is the packing of on the TCP basis, carrying out, and at bottom, is based on the connection that TCP carries out node; Node possibly be in various network, and set up the TCP connection and pass through the router route possibly, but at the peer-to-peer network application; Through unique ID, hidden profound network and connected essence, but in generation, connect with corresponding each node sign of ID sign; Realize the peer network architecture of application, be indifferent to the network concrete form;
Consider that in this embodiment peer-to-peer network will be crossed over networks of different type, great majority are hidden in the NAT fire compartment wall behind; And owing to have address transition, thereby set up the two-way direct-connected relatively difficulty of TCP, therefore; Preferably, adopted UDP to wrap transmission, and with WAN address and port and P2P ID binding; Realize internodal two-way direct-connected, thereby guarantee P2P inter-network firewall-penetrating.
Because needing a kind of agreement to be used for transmitting, the communication between the client controls instruction, data and feedback result etc.; Therefore preferably adopted the self-defined language mode-definition P2P of unit service in this embodiment based on XML; Definition P2P service each item attribute level control signaling; Realize on the client-side program analysis of XML agreement unit language is realized the understanding and the execution of ordering; And
In this embodiment; Preferably; When carrying out distributed arithmetic, utilize the Hash table to realize the tag recognition of hash data fragment, not only define the uniqueness of each data fragment; Define the bytes store skew in its place original document simultaneously, thereby can realize file reorganization reduction by client-side program apace.
With reference to Fig. 4 and Fig. 5 an alternative embodiment of the invention is described below.
Fig. 4 is the networking sketch map of another embodiment according to the present invention.Fig. 5 illustrates the flow chart based on the P2P method for network access of another embodiment according to the present invention.
With reference to Fig. 5, constitute complete distributed peer-to-peer network system by n P2P client.Each node is hash and distributes in peer-to-peer network, form the cloud form structure.Arbitrary node at first will carry out initial work (S502) before getting into the P2P cloud, comprise that TCP and udp port detect, and whether the inspection port is occupied, if unoccupiedly then should attempt using other available ports.After port detects and finishes; On the reading disk or the configuration file on other storage mediums and analyzing; Obtain policy information, application strategy connects local network through network adapter (network interface card) then; And survey the P2P network cloud through the P2P detection protocol and whether have (S504), then do not continue to detect if do not exist; If exist, then create one 128 global unique identification sign indicating number and set up network and is connected with the nearest node in the P2P cloud according to the P2P detection protocol, submit this node log-on data to, completion is to the registration work (S506) of P2P cloud.And the P2P cloud node that is attached thereto feeds back to this newly-increased node with the status information data of current P2P cloud; New node upgrades the cloud structure data that oneself is stored; Thereby can " understand " situation that self is in the P2P cloud; Grasp the quantity and the resource content of current effective node in the P2P cloud simultaneously, thereby convenient when resource is searched, foundation effectively connects.Obtain demand according to user resources; Newly-increased node and other P2P node switching attribute authentication informations (S508); If unsuccessful, represent that then institute's requested resource is not present on this node, the connection and the resource information that repeat other nodes are so differentiated; This action can be passed through the concurrent execution of multithread mode, improves resource searching efficient.In case after navigating to resource data, newly-increased node is just set up straight-forward network and is connected (can pass through UDP mode penetrating NAT fire compartment wall) with being locked node through TCP or udp protocol, begins to carry out transfer of data (S510).This operation can be carried out through multithread mode is concurrent, thereby can on macroscopic view, realize parallel.Node is when carrying out transfer of data; Be not to enlarge the occupied bandwidth resource simply, but carry out Flow Control, support the quick reorganization of data hash fragment simultaneously according to P2P cloud flow control strategy; On macroscopic view, possesses the characteristic that keeps the Streaming Media transmission; Especially disassemble to the bag of Windows Media real-time media stream and recombinate, thereby realize the real-time of P2P Network Video Surveillance, thereby can realize P2P distributed flow media function.Carry out the digital content of copyright management for needs; Client is carried out verification and activating and authenticating function through the digital signature label to each data slot of downloading after reorganization; Thereby can realize digital copyright management easily (DRM) to any Format Type file and data resource, but not be directed against specific format or rely on a certain operating system platform.After whole transmission of accomplishing the data fragment, client-side program is recombinated to fragment according to the fragment label fast, and the reduction original document is accomplished resource transmission.For distributed computing task, can carry out the upper strata through the P2P agreement and expand, with the form encapsulation calculation task unit language of similar Java bytecode; Transmit through the P2P cloud;, and explain and carry out by the client-side program reduction of recombinating at node, thereby realize that an in enormous quantities or macrooperation amount task is decomposed into a plurality of computing units and transfers to the P2P network node and walk abreast and disperse calculating; And gather at last, accomplish the cloud computing similar procedure.
Through embodiment of the present invention, can realize following technique effect:
(1) the complete self-defined P2P application framework of scalability; Integrated instant communication function; Realize that by P2P Internet resources in the Intranet scope compile and share, and possess practical digital copyright management technology and the high-quality legal resource downloading service of charging is provided for the user;
(2) realize that multimedia form compatibility and high-speed playback on each big mainstream operation system platform play up, the real time flow medium transmission (like Network Video Surveillance) of serverless backup pattern is provided; And
(3) network distributed cooperation based on P2P calculates, and realizes parallel transaction and cloud computing blank.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the network application system based on P2P comprises a plurality of nodes, it is characterized in that, each said node includes:
Control unit is used for the physical network based on P2P is mapped as the network based on P2P of virtual flattening; And
Business unit is used to utilize messaging protocol and other nodes based on XML to carry out the data interaction under the serverless backup state; Said control unit also is used for when said node inserts said network based on P2P; Utilize Transmission Control Protocol to detect and whether have adjacent node; When detecting said adjacent node; Said control unit control generates and is used for the unique identification of said node and said unique identification is sent to said adjacent node, and the unique identification that obtains said adjacent node, said node is registered in the said network based on P2P; And do not detecting when having said adjacent node, select transfer continuation of the journey node preset in the said network as adjacent node and bridger.
2. system according to claim 1; It is characterized in that said business unit provides also that the main flow multimedia decoder on each operating platform drives, video data carries out to Java2D image buffer data in high speed format conversion, to the video card memory cell that direct read, high-speed video playback are played up, thread task decomposition data is calculated and data copyright management is examined.
3. system according to claim 2 is characterized in that, said business unit checks through digital signature and watermark whether data have the application information of downloading permissions and checking user submission and carry out said data copyright management examination.
4. system according to claim 3; It is characterized in that; Said control unit becomes a plurality of data segments with the data decomposition to be calculated of said business unit, and each said data segment is distributed to the business unit in one or more other said nodes, to carry out Distributed Calculation.
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101841451B (en) * | 2009-12-30 | 2013-01-02 | 北京世纪互联宽带数据中心有限公司 | Virtual local area network-based speed limiting method and system for cloud hosts |
| CN102193527B (en) * | 2010-03-05 | 2013-04-10 | 朗德华信（北京）自控技术有限公司 | System and method for managing and controlling energy sources of electronic information system machine room based on cloud computing |
| CN102193525B (en) * | 2010-03-05 | 2014-07-02 | 朗德华信（北京）自控技术有限公司 | System and method for monitoring device based on cloud computing |
| CN102236344B (en) * | 2010-04-27 | 2013-08-14 | 姜永东 | Cloud computing-based motor vehicle energy management system and method |
| CN101902497B (en) * | 2010-05-14 | 2013-01-23 | 翁时锋 | Cloud computing based internet information monitoring system and method |
| CN101938375A (en) * | 2010-08-26 | 2011-01-05 | 涂云勐 | Method and system for exchanging data between energy consumption data repeater and data center |
| CN102306114B (en) * | 2010-09-25 | 2013-04-10 | 广东电子工业研究院有限公司 | Regular data backup and recovery method based on cloud storage |
| CN102045385B (en) * | 2010-10-21 | 2013-09-04 | 李斌 | System and equipment for realizing personal cloud computing |
| CN102752325A (en) * | 2011-04-18 | 2012-10-24 | 贾金原 | Peer-to-peer (P2P) network-based high-efficiency downloading method for large-scale virtual scene |
| CN110162413B (en) * | 2018-02-12 | 2021-06-04 | 华为技术有限公司 | Event-driven method and device |
| CN110247960B (en) * | 2019-05-27 | 2021-12-07 | 矩阵元技术（深圳）有限公司 | Method and device for realizing secure multi-party computation, computer equipment and storage medium |
| CN112272196A (en) * | 2020-03-09 | 2021-01-26 | 上海曼恒数字技术股份有限公司 | Method and system for removing server by system |
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