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CN105162881B - A kind of P2P optimized transmission methods based on multimode terminal - Google Patents

A kind of P2P optimized transmission methods based on multimode terminal Download PDF

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Publication number
CN105162881B
CN105162881B CN201510619665.5A CN201510619665A CN105162881B CN 105162881 B CN105162881 B CN 105162881B CN 201510619665 A CN201510619665 A CN 201510619665A CN 105162881 B CN105162881 B CN 105162881B
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node
interface
resource
routing
multimode terminal
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CN201510619665.5A
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CN105162881A (en
Inventor
张杨杨
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China Railway Engineering Equipment Group Co Ltd CREG
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China Railway Engineering Equipment Group Co Ltd CREG
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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
    • H04L67/1074Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
    • H04L67/1078Resource delivery mechanisms
    • H04L67/1085Resource delivery mechanisms involving dynamic management of active down- or uploading connections

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of P2P optimized transmission methods based on multimode terminal, its step are as follows:Node is added in P2P networks, and nodal information module and routing policy maintenance module are arranged in the system where P2P networks;The resource situation that nodal information module is periodically safeguarded the Interface status of each node and contained;Routing policy maintenance module according to node currently each interface the case where, Dynamic Maintenance is carried out to routing table and policybased routing;Node makes requests on resource based on P2P agreements;Requesting node retrieves the informational table of nodes of associated nodes, locating resource node by nodal information module;Requesting node initiates the connection request to resource node, and nodal information module judges the Interface status of resource node;Routing policy maintenance module is that the interface establishment strategy of selection is route, and the interface of requesting node and resource node, which is established, to be connected, and data transmission is started.The characteristics of present invention is according to multimode terminal multiplex roles, optimize P2P agreements, improve the efficiency of download and upload.

Description

A kind of P2P optimized transmission methods based on multimode terminal
Technical field
The present invention relates to the technical fields of P2P transmission, and in particular to a kind of P2P optimizations transmission side based on multimode terminal Method.
Background technology
In the P2P agreements of standard, each node is not only used as server, but also as Client.Therefore, when a node is under It, also can be as the ends server of resource while carrying resource.The P2P protocol frames of standard are merely provided to single interface termination It supports, i.e., while a node downloads resource by its some interface, if necessary to upload resource, then still uses and download money The interface in source.Currently, multi-interface terminal becomes increasingly popular, a usual communication terminal is configured with the interfaces such as WIFI, 3G, LTE, if The advantage of multiplex roles is can make full use of, then can greatly improve the quality and efficiency of terminal communication.
Existing P2P agreements can support data transmission and the download of access terminals well, but current multimode terminal It has been become increasingly popular that, make full use of multiplex roles advantage that the online usage experience of user will be substantially improved.However, the P2P of standard Protocol frame only proposes the implementation carried out data transmission for single interface so that multimode terminal does not play its multiplex roles Technical advantage.
Invention content
In order to solve the above technical problem, the present invention provides a kind of P2P optimized transmission methods based on multimode terminal, knot The development trend of current multimode terminal and the transmission mode of P2P are closed, makes full use of the feature of multiplex roles in P2P resource sharing mistakes Its advantage is played in journey, realizes single interface single task.
In order to achieve the above object, the technical scheme is that:A kind of P2P optimizations transmission side based on multimode terminal Method, its step are as follows:
Step 1:Node is added in P2P networks, and nodal information module and routing are arranged in the system where P2P networks Tactful maintenance module;
Step 2:The resource situation that nodal information module is periodically safeguarded the Interface status of each node and contained;Road By tactful maintenance module according to node currently each interface the case where, Dynamic Maintenance is carried out to routing table and policybased routing;
Step 3:Node makes requests on resource based on P2P agreements;
Step 4:Requesting node retrieves the informational table of nodes of associated nodes, locating resource section by nodal information module Point;
Step 5:Requesting node initiates the connection request to resource node, and nodal information module judges the interface of resource node State, decision are uploaded or are downloaded by which interface of multimode terminal;
Step 6:Routing policy maintenance module is that the interface establishment strategy of selection is route, requesting node and resource node Interface establishes connection, starts data transmission.
The nodal information module includes nodal information maintenance unit and local information maintenance unit;Each node is in local Informational table of nodes will be stored, records the use of the corresponding node of associated each resource and each interface of node in the middle State;Local information maintenance unit is used to carry out local node the maintenance of informational table of nodes, that is, detects each of own node The use state of interface and each resource contained at this time;Nodal information maintenance unit is used for the nodal information to associated nodes Table is safeguarded.
The routing policy maintenance module can detect the state that multimode terminal has several interfaces, judges each interface, needle Routing table, policybased routing are established to each interface;Routing policy maintenance module includes routing policy maintenance unit, routing policy dimension The dynamic generation for protecting foundation and policybased routing of the unit for routing table, to realize the maintenance of information of routing.
The routing policy maintenance unit judges that how many current interface of multimode terminal is active, and is each interface Routing table is established, a default route is added in the routing table, dynamically establishes a policybased routing for interface;Routing policy is tieed up Shield module makes each interface that respective routing table be gone to be inquired by policybased routing, and it is logical to realize that multiplex roles are carried out at the same time data Letter.
The resource node for possessing request resource notifies requesting node, requesting node to believe by node by interacting message Breath maintenance module records the nodal information of resource node, including node ID, node IP address, port numbers, resource node pass through Field information is added in the message that interacting message is notified to requesting node.
The field information is all available IP address, i.e., the multimode terminal of Current resource node is configured with severally Several addresses are just added in location.
It is described addition field information implementation method be:Each node ID establishes an IP chained list, and node ID has several IP An IP chained list node is just finally added in address in chained list.
For the present invention since multimode terminal is configured with multiple network standard interface, each interface can configure IP address, according to The characteristics of multimode terminal multiplex roles, optimizes P2P agreements so that multimode terminal user when carrying out P2P communications, use by an interface In download, other interface is for uploading, i.e., per next interface while downloading resource, if there is other usable interfaces, It is then allowed to do the interface for uploading resource, vice versa;It can ensure that each interface does not need the thing that cross processing is downloaded and uploaded Business, it is only necessary to it is responsible to download or upload single task, unlike the two is responsible for simultaneously, then can be very good to improve the effect downloaded and uploaded Rate.
Description of the drawings
Fig. 1 is the flow chart of the present invention.
Fig. 2 is the exemplary plot of the transmission method of the present invention.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in detail.It should be noted that specific embodiment described herein is only used To explain the present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of P2P optimized transmission methods based on multimode terminal, its step are as follows:
Step 1:Node is added in P2P networks, and nodal information module and routing are arranged in the system where P2P networks Tactful maintenance module.
Nodal information module is loaded in the system where P2P networks, the information for safeguarding each node automatically automatically.Section Point information module on the basis of existing P2P agreements based on expanding.Nodal information module include nodal information maintenance unit and Local information maintenance unit.Each node locally can store informational table of nodes, record associated each resource in the middle The use state of corresponding node and each interface of node.Local information maintenance unit is used to carry out node letter to local node Cease the maintenance of table, that is, each resource for detecting the use state of each interface of own node and containing at this time.Nodal information is tieed up Unit is protected to be used to safeguard the informational table of nodes of associated nodes.The first node for possessing some resource is notified that and should preserve this The second node of resource, nodal information mould second node in the block read the informational table of nodes of first node, can record first The information of the total interface of node.Nodal information maintenance unit can judge the service condition of each interface of first node, which In interface is idle, which interface is used, suitable interface is selected to establish data connection, to the master as analysis decision It will foundation.Since record has the Interface status of first node, nodal information maintenance unit first in the informational table of nodes of second node Node ID is first navigated to, in the interface chained list corresponding to node ID, so that it may to judge each Interface status, i.e., in use also It is idle.Each resource can have multiple nodes to be stored, so nodal information maintenance unit preferentially finds available free interface Node into row data communication, if the interface of all nodes is all the state in use, nodal information maintenance unit selection appoint The interface of a node is communicated one by one.
Load is in the system where P2P networks automatically for routing policy maintenance module, for being route to each interface It safeguards, multiplex roles is supported to be carried out at the same time data communication.Routing policy maintenance module, which can detect multimode terminal, to be had several interfaces, sentences Whether the state of disconnected each interface, i.e., be in networking state, is then directed to each interface establishment strategy and route.Routing policy is safeguarded Module includes routing policy maintenance unit, the dynamic generation of foundation and policybased routing for routing table, to realize routing Maintenance of information.
Step 2:The resource situation that nodal information module is periodically safeguarded the Interface status of each node and contained;Road By tactful maintenance module according to node currently each interface the case where, Dynamic Maintenance is carried out to routing table and policybased routing.
In P2P transmission, it can be interconnected between node, local information maintenance unit periodically detects The use state of each interface of own node and each resource contained at this time, nodal information maintenance unit periodically detect The informational table of nodes of associated nodes carries out interface message maintenance to associated node.It is each in the P2P agreements of standard Periodic interacting message can be carried out between node, this programme can be by the message in extension standards P2P agreements, by connecing for node Mouth state is filled into the interaction message of P2P standards, because scaling option has been provided in the P2P protocol messages of standard.
Routing policy maintenance module is that each interface establishes routing table, by policybased routing so that each interface go it is respective Routing table is inquired, and then adds a default route in the routing table, i.e. data packet is received and dispatched by the interface, with reality Existing multiplex roles are carried out at the same time data communication.Routing policy maintenance unit first determines whether that how many current interface of multimode terminal is in and swashs State living, then establishes routing table for each interface.Routing policy maintenance unit safeguarded according to the Interface status of terminal, when When judging that some interface is active, dynamically a policybased routing is established for it.
Step 3:Node makes requests on resource based on P2P agreements.
The P2P agreements of standard are each node meeting configuration node ID, and can be that resource ID, and meeting root is arranged in each resource Its corresponding node ID is calculated according to resource ID, but the node ID may not just store corresponding resource, but its own is deposited The node ID for actually storing the resource is put, when having node to ask the resource, just goes to store resource in above-mentioned theory first Node ID ask resource, which can return to resource requestor by the node ID for actually storing the resource.
Since multimode terminal is configured with multiple network standard interface, each interface can configure IP address, according to multimode end The characteristics of holding multiplex roles, optimizes P2P agreements.Specifically:The resource node for possessing request resource is asked by interacting message notice Node, requesting node is asked to record the nodal information of resource node, including node ID, node IP by nodal information maintenance module Address, port numbers.It should be noted that in the P2P agreements of standard, even if resource node is multimode terminal, requesting node is protected The information for the only individual interface of resource node deposited.It, need to be in order to make full use of the advantage of the multiple network interfaces of multimode terminal Some field informations are additionally added in the message that resource node is notified by interacting message to requesting node.Field information is all Available IP address, the i.e. multimode terminal of Current resource node are configured with several addresses, just add several addresses.Due to a section The corresponding node ID of point, resource node can safeguard an informational table of nodes, is extended to the table, add field, indicate this Node ID has several interfaces, what the IP address of each interface is, to the informational table of nodes safeguarded in extended requests node, makes Obtaining its supporting node ID being capable of the multiple IP address of correspondence.Can be that each node ID establishes an IP chain when specific implementation Table, the i.e. node ID have several IP address, just finally add an IP chained list node in chained list.
Step 4:Requesting node retrieves the informational table of nodes of associated nodes, locating resource section by nodal information module Point.
Communication interaction between node is both referred to standard P2P protocol specifications, when requestor asks resource to resource node, It is stored due to resource node itself and actually possesses the node ID of the resource, and usually there are multiple nodes all to store to have the resource, So judging the interface use state of each node successively, if there is interface is in idle condition, just directly the node ID is returned Back to resource requestor, can be traversed herein according to the sequencing that informational table of nodes interior joint is stored.
Step 5:Requesting node initiates the connection request to resource node, and nodal information module judges the interface of resource node State, decision are uploaded or are downloaded by which interface of multimode terminal.
Nodal information maintenance unit periodically detects the state of each interface of resource node, i.e. which interface is being downloaded Resource, which interface are uploading resource, and the state of each interface to requesting node notice resource node;By theoretically storing The node of the resource navigates to the node for actually storing the resource according to informational table of nodes, then judges the interface shape of the node State, to select idle interface to be uploaded or downloaded.
Similarly, when third node actively asks resource to requesting node, requesting node can be according to resource node Each Interface status to return to corresponding information for third node.Requesting node can fill in each of resource node and connect in the message Message ceases, and specifically which interface is being currently used, which interface is currently at idle state, when third node receives request The message that node is sent confirmed the current Interface status of resource node, so that it may to select some interface of resource node Communication connection is established, to carry out resource transfer.
Step 6:Routing policy maintenance module is that the interface establishment strategy of selection is route, requesting node and resource node Interface establishes connection, starts data transmission.
Each node can carry out the foundation of policybased routing according to local interface quantity and state, such as there are two node A Interface, respectively interface 1 and interface 2, and be all connection status, it is respectively just that two interfaces establish a policybased routing simultaneously at this time Establish a routing table, regulation inquires the data packet of the policybased routing and all goes in specified routing table to inquire road in policybased routing By regulation is inquired the data packet of this routing table and is all transmitted from specified interface in corresponding routing table, passes through above machine System ensures that multiple interfaces are carried out at the same time communication.In addition, requesting node is directly carried out with some interface of resource node Connection, specific data communication just can be realized according to above-mentioned scheme description.
Embodiment 2
A kind of P2P optimized transmission methods based on multimode terminal, as shown in Fig. 2, several nodes, i.e. node in P2P networks A, node B, node C, node D, node E ..., each node locally can store informational table of nodes, record each money in the middle The use state of the corresponding node in source and each interface of node.For example, having node A, node in the informational table of nodes of node B The use state of the interface of D and node E and the resource name possessed.Nodal information mould local information maintenance unit in the block is to certainly The informational table of nodes of body is safeguarded that nodal information maintenance unit carries out informational table of nodes maintenance to associated node.Node A For multimode terminal, possess resource《Discriminate Huan to pass》, node A can be periodically to the preservation money by the P2P interacting messages of standard The node B notices in source.Interface Information field is added in the P2P interacting messages of standard, each interface for marking its node A is current State, than such as whether being active, the IP address of each interface.
P2P networks are added by the P2P agreements of standard in node C, it is desirable to download resource《Discriminate Huan to pass》, it then follows standard P2P associations The code requirement of view initiates resource request to node B, and node B is stored in local informational table of nodes by checking.The section of node B The use state of each interface of node A, node D, node E etc. is equipped in point information table.Have in the resource request that node C is initiated Resource ID, node B navigate to the ID values of all resources of node A and each money by resource ID in the informational table of nodes of node B The corresponding node in source.It was found that node A current interfaces 1 are downloading certain class resource, interface 2 is idle state, then by node A's Node ID, the IP address of interface 2 and node C is sent to slogan, node C is established with node A and communicated to connect, and node A is from interface 2 Resource is transmitted to node C, node C starts to download resource《Discriminate Huan to pass》.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in, It should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of P2P optimized transmission methods based on multimode terminal, which is characterized in that its step are as follows:
Step 1:Node is added in P2P networks, and nodal information module and routing plan are arranged in the system where P2P networks Slightly maintenance module;
Step 2:The resource situation that nodal information module is periodically safeguarded the Interface status of each node and contained;It route plan Slightly maintenance module according to node currently each interface the case where, Dynamic Maintenance is carried out to routing table and policybased routing;
Step 3:Node makes requests on resource based on P2P agreements;
Step 4:Requesting node retrieves the informational table of nodes of associated nodes, locating resource node by nodal information module;
Step 5:Requesting node initiates the connection request to resource node, and nodal information module judges the Interface status of resource node, Decision is uploaded or is downloaded by which interface of multimode terminal;
Step 6:Routing policy maintenance module is that the interface establishment strategy of selection is route, the interface of requesting node and resource node Connection is established, data transmission is started;
The nodal information module includes nodal information maintenance unit and local information maintenance unit;Each node can in local Informational table of nodes is stored, records the use shape of the corresponding node of associated each resource and each interface of node in the middle State;Local information maintenance unit is used to carry out local node the maintenance of informational table of nodes, that is, detects each of own node and connect The use state of mouth and each resource contained at this time;Nodal information maintenance unit is used for the informational table of nodes to associated nodes It safeguards.
2. according to the P2P optimized transmission methods based on multimode terminal described in claim 1, which is characterized in that the routing Tactful maintenance module can detect the state that multimode terminal has several interfaces, judges each interface, and road is established for each interface By table, policybased routing;Routing policy maintenance module includes routing policy maintenance unit, and routing policy maintenance unit is used for routing table Foundation and policybased routing dynamic generation, to realize the maintenance of information of routing.
3. according to the P2P optimized transmission methods based on multimode terminal described in claim 2, which is characterized in that the routing Tactful maintenance unit judges that how many current interface of multimode terminal is active, and routing table is established for each interface, on road By adding a default route in table, dynamically a policybased routing is established for interface;Routing policy maintenance module passes through strategy So that each interface goes respective routing table to be inquired, realization multiplex roles are carried out at the same time data communication for routing.
4. according to the P2P optimized transmission methods based on multimode terminal described in claim 1, which is characterized in that contain request The resource node of resource notifies requesting node, requesting node to record resource by nodal information maintenance module by interacting message The nodal information of node, including node ID, node IP address, port numbers, resource node are logical to requesting node by interacting message Field information is added in the message known.
5. according to the P2P optimized transmission methods based on multimode terminal described in claim 4, which is characterized in that the field Information is all available addresses IP, i.e. the multimode terminal of Current resource node is configured with several addresses, just adds severally Location.
6. according to the P2P optimized transmission methods based on multimode terminal described in claim 4, which is characterized in that the addition The implementation method of field information is:Each node ID establishes an IP chained list, and node ID has several addresses IP, just in chained list Finally add an IP chained list node.
CN201510619665.5A 2015-09-25 2015-09-25 A kind of P2P optimized transmission methods based on multimode terminal Expired - Fee Related CN105162881B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1925444A (en) * 2006-09-14 2007-03-07 华为技术有限公司 Method for establishing point-to-point collection in P2P network and nodes in P2P network
CN1946026A (en) * 2006-10-20 2007-04-11 清华大学 Active obtaining method for internet data based on mobile storage device
CN201294533Y (en) * 2008-11-20 2009-08-19 武汉钢铁(集团)公司 Intelligent multifunctional safety gateway
CN101938508A (en) * 2009-07-01 2011-01-05 中国电信股份有限公司 Method and system for shortening time delay in peer-to-peer network streaming media live broadcast system
CN102088399A (en) * 2009-12-08 2011-06-08 华为技术有限公司 Flow control method of peer-to-peer (P2P) network, routing equipment and communication system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7969872B2 (en) * 2007-07-23 2011-06-28 Mitel Networks Corporation Distributed network management

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1925444A (en) * 2006-09-14 2007-03-07 华为技术有限公司 Method for establishing point-to-point collection in P2P network and nodes in P2P network
CN1946026A (en) * 2006-10-20 2007-04-11 清华大学 Active obtaining method for internet data based on mobile storage device
CN201294533Y (en) * 2008-11-20 2009-08-19 武汉钢铁(集团)公司 Intelligent multifunctional safety gateway
CN101938508A (en) * 2009-07-01 2011-01-05 中国电信股份有限公司 Method and system for shortening time delay in peer-to-peer network streaming media live broadcast system
CN102088399A (en) * 2009-12-08 2011-06-08 华为技术有限公司 Flow control method of peer-to-peer (P2P) network, routing equipment and communication system

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