CN107948180B - A kind of new generation network implementation method based on multipath - Google Patents

A kind of new generation network implementation method based on multipath Download PDF

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Publication number
CN107948180B
CN107948180B CN201711274391.6A CN201711274391A CN107948180B CN 107948180 B CN107948180 B CN 107948180B CN 201711274391 A CN201711274391 A CN 201711274391A CN 107948180 B CN107948180 B CN 107948180B
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interface
thresholding
title
data block
mobile node
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CN107948180A (en
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王晓喃
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Changshu Institute of Technology
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Changshu Institute of Technology
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/14—Multichannel or multilink protocols

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The new generation network implementation method based on multipath that the present invention provides a kind of, the network includes infrastructure equipment and mobile node；Each mobile node has N number of interface, each interface is communicated using different agreements, one mobile node can be communicated by N kind agreement, a kind of infrastructure equipment link at least 2N interface, it can be communicated by N kind agreement, and at least two or more interfaces are communicated using same agreement；In the present invention, node obtains data simultaneously by mulitpath, to reduce data communication delays, improves data service quality.Present invention can apply to the numerous areas such as traffic prosecution and agricultural engineerization, are with a wide range of applications.

Description

A kind of new generation network implementation method based on multipath
Technical field
The present invention relates to a kind of implementation method more particularly to a kind of new generation network realization sides based on multipath Method.
Background technique
Forwarding and routing by intermediate node are communicated between node in new generation network to realize, therefore, under realization It is exactly to reduce data transfer delay that generation network, which needs one of the key technology solved, to allow users to quick obtaining network Service.With the development of new generation network technology, new generation network can become future network and provide the one mode of service.
Currently, the implementation pattern of new generation network is to be realized by broadcasting, therefore delay and cost are all bigger, reduce Network service performance.Therefore, how to reduce new generation network and the heat of the delay and cost of service as Recent study is provided Point problem.
Summary of the invention
Goal of the invention: a kind of based on more the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide The new generation network implementation method in path.
Technical solution: the new generation network implementation method based on multipath that the invention discloses a kind of, the network include Infrastructure equipment and mobile node；Each mobile node has N number of interface, and each interface is led to using different agreements Letter, such as wifi, bluetooth etc., a mobile node can be communicated by N kind agreement, a kind of infrastructure equipment Link at least 2N interface can be communicated by N kind agreement, and at least two or more interfaces use together A kind of agreement is communicated；Each infrastructure equipment safeguards an interface table, and each interface entry includes protocol domain and interface Gather domain, agreement thresholding defines the type of agreement, and set of interfaces thresholding saves all interfaces communicated using this kind of agreement； The interface table (can be by producer) of each infrastructure equipment is preset；
One mobile node is connected with an infrastructure equipment link, and passes through the infrastructure equipment and other movements Node is communicated；
A type of data are by a title unique identification, and a kind of data are made of more than two data blocks, each Data block is by a data block ID unique identification；
One message is made of message format domain, title-domain, data block ID set domain, message type field and load, if Message format domain is 0, then a message only includes message format domain, title-domain, message type field and load；If message format Domain is 1, then a message includes message format domain, title-domain, data block ID set domain, message type field and load；
Type of message is as shown in the table
Type of message Value of message types
It gives out information 1
Request message 2
Response message 3
Handover request 4
Each infrastructure equipment or mobile node safeguard a forwarding table, and the forwarding-table item is by title thresholding and interface Gather thresholding to constitute；
There is N number of interface, interface x supported protocol p in mobile node R1xAnd the supported protocol p with infrastructure equipment I1x Interface link be connected under conditions of, 1≤x≤N, data C1 produce data C1 by title NA1 unique identification, mobile node R1 Afterwards, following publication operations are executed:
Step 101: starting；
Step 102: mobile node R1 constructs one and gives out information, which is 0, and title thresholding is NA1, type of message 1 load as sky, and mobile node R1 sends this from each interface and gives out information；
Step 103: infrastructure equipment I1 is received after this gives out information respectively from N number of interface, is received for each It gives out information, infrastructure equipment I1 executes operations described below: infrastructure equipment I1 receives the publication from the interface y of oneself and disappears Breath, infrastructure equipment I1 check forwarding table, and the forwarding-table item of the title thresholding to give out information is equal to if there is title thresholding, Then interface y is added in the set of interfaces thresholding of the forwarding-table item；It is equal to the name to give out information if there is no title thresholding Claim the forwarding-table item of thresholding, infrastructure equipment creates a forwarding-table item, and the title thresholding of the forwarding-table item is equal to publication and disappears The title thresholding of breath, set of interfaces thresholding are equal to { y }；Infrastructure equipment I1 checks interface table, selects set of interfaces thresholding packet The interface entry of the y containing interface, then each interface from the set of interfaces thresholding in addition to interface y forwards this to give out information；
Step 104: it gives out information if mobile node receives, thens follow the steps 106, it is no to then follow the steps 105；
Step 105: infrastructure equipment receives after this gives out information respectively from N number of interface, for each hair received Cloth message, infrastructure equipment execute operations described below: infrastructure equipment receives this from the interface y1 of oneself and gives out information, base Infrastructure equipment checks forwarding table, and the forwarding-table item of the title thresholding to give out information is equal to if there is title thresholding, then will be connect Mouth y1 is added in the set of interfaces thresholding of the forwarding-table item；It is equal to the title thresholding to give out information if there is no title thresholding Forwarding-table item, infrastructure equipment creates a forwarding-table item, and the title thresholding of the forwarding-table item is equal to the name to give out information Claim thresholding, set of interfaces thresholding is equal to { y1 }；Infrastructure equipment checks interface table, and selecting set of interfaces thresholding includes interface y1 Interface entry, then each interface from the set of interfaces thresholding in addition to interface y1 forwards this to give out information, execute step 104；
Step 106: mobile node receives after this gives out information respectively from N number of interface, disappears for each publication received Breath, mobile node execute operations described below: mobile node receives this from the interface y2 of oneself and gives out information, and mobile node, which is checked, to be turned It delivers, the forwarding-table item of the title thresholding to give out information is equal to if there is title thresholding, then interface y2 is added to the forwarding In the set of interfaces thresholding of list item；It is equal to the forwarding-table item of the title thresholding to give out information if there is no title thresholding, it is mobile Node then creates a forwarding-table item, and the title thresholding of the forwarding-table item is equal to the title thresholding to give out information, set of interfaces domain Value is equal to { y2 }；
Step 107: terminating.
Mobile node creates forwarding-table item by above-mentioned issuing process to obtain data.
In the method for the invention, infrastructure equipment safeguards a convergence table, and a convergence list item is by title-domain, interface Domain and data block ID set domain are constituted；
Mobile node safeguards a required list, and a request list item includes that title-domain, interface domain and data block ID gather domain；
There are N number of interface, interface j supported protocol p in mobile node U1jAnd the supported protocol p with infrastructure equipment I2j's Interface link is connected, and 1≤j≤N, data C1 have title NA1 unique identification, and are made of M1 data block, each data block Data block ID is m, under conditions of 1≤m≤M1, if mobile node U1 needs to obtain data C1, checks forwarding table, selects name Thresholding is referred to as the forwarding-table item E1 of NA1 and the number n1 for obtaining the element in the set of interfaces thresholding of forwarding-table item E1；If M1 Greater than n1, mobile node U1 then obtains data C1 by following processes:
Step 201: starting；
Step 202: M1 data block ID is divided into n1 data block ID and gathered by mobile node U1, sets parameter z to 1, which shows z-th of element in forwarding-table item E1 set of interfaces domain, 1≤z≤n1；
Step 203: judge whether parameter z is greater than n1, if so, 205 are thened follow the steps, it is no to then follow the steps 204；
Step 204: for z-th of element in forwarding-table item E1 set of interfaces domain, mobile node U1 executes operations described below, The data block ID set F for distributing to z-th of element in forwarding-table item E1 set of interfaces domain is calculated according to formula (1)z, creation one A request list item, the title thresholding of the request list item are NA1, and interface thresholding is z-th in forwarding-table item E1 set of interfaces domain Element, it is F that data block ID, which gathers thresholding,z, mobile node U1 one request message of building, the message format of the request message is 1, Title thresholding is NA1, and data block ID collection is combined into Fz, type of message 2 loads as sky；The set of interfaces domain from forwarding-table item E1 Z-th of element send the request message, by z value be incremented by 1, execute step 203；
Step 205: if mobile node receives the request message from interface z1, thening follow the steps 210；Otherwise step is executed Rapid 206；
Step 206: after infrastructure equipment receives request message from interface z2, checking that the convergence table of oneself judges whether There are interface thresholdings to be equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather the convergence list item of thresholding with data block ID, if it is present step 211 is executed, it is no to then follow the steps 207；
Step 207: the infrastructure equipment for receiving request message from interface z2 checks the convergence table of oneself, judges whether There are title thresholdings to be equal to the title thresholding in request message, and data block ID set thresholding is the data block ID collection of request message The convergence list item of the superset of conjunction, if it is present step 208 is executed, it is no to then follow the steps 209；
Step 208: the infrastructure equipment for receiving request message from interface z2 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID, executes step 211；
Step 209: the infrastructure equipment for receiving request message from interface z2 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID；The infrastructure equipment checks interface table, selects interface entry E2, wherein interface z2 is interface table An element in the set of interfaces domain of E2, infrastructure equipment check forwarding table, selects title thresholding to be equal to and receives The forwarding-table item E3 of the title of request message selects eligible 1 interface z3, and the request received from interface z3 forwarding disappears Breath executes step 205；
Condition 1: the interface is both the set of interfaces of the element and forwarding-table item E3 in the set of interfaces of interface entry E2 In element；
Step 210: if cannot provide data C1 from the mobile node that interface z1 receives the request message, abandoning should Request message, otherwise, the mobile node create a response message, and the message format of the response message is 1, title thresholding sum number It is respectively the title thresholding of request message received and data block ID set thresholding according to block ID set thresholding, type of message 3, Load is the data block set that each data block ID in data block ID set is defined；Then the response is sent from interface z1 to disappear Breath；
Step 211: if mobile node U1 receives response message from interface z3, thening follow the steps 213, otherwise execute step Rapid 212；
Step 212: infrastructure equipment is known as interface z4 from the interface of oneself to response message, by the interface, looks into It sees convergence table, selects all title thresholdings to be equal to the convergence list item of the title thresholding of the response message, for the remittance of each selection Poly- list item, infrastructure equipment execute operations described below: if the data block ID set of the convergence list item disappears with the response received The data block ID intersection of sets collection S1 of breath is not sky, then infrastructure equipment constructs a response message, which disappears Ceasing format is 1, and title thresholding is the title thresholding of the convergence list item, and data block ID collection is combined into the data block ID collection of the convergence list item The data block ID intersection of sets collection S1 for the response message for closing and receiving, type of message 3 load as each of intersection S1 The data block set that data block ID is defined sends the response message of building, infrastructure equipment from the interface domain of the convergence list item Intersection S1 is deleted from the data block ID of convergence list item set simultaneously, if the data block ID collection of the convergence list item is combined into sky, The convergence list item is then deleted, step 211 is executed；
Step 213: after mobile node U1 receives response message from interface z3, check required list and delete title thresholding etc. It is equal to the request list item that the data block ID of the response message gathers in title thresholding and data block the ID set of the response message, such as It is equal to the request list item of the title thresholding of the response message in the required list of fruit mobile node U1 there is no title thresholding, then executes Step 214, no to then follow the steps 211；
Step 214: all data blocks received are built into data C1 by mobile node U1；
Step 215: terminating；
In step 210, if being capable of providing data C1, and the shifting from the mobile node that interface z1 receives the request message Interface z1's dynamic node fails before sending the response message, which then selects the interface for being in effective working condition X2 constructs a response message, sends the response message from interface x2, executes step 211-215 and completes to obtain data procedures.
Mobile node by the above process can be with quick obtaining data.
In the method for the invention, there are N number of interface, interface j supported protocol p in mobile node U1jAnd it is set with infrastructure The supported protocol p of standby I2jInterface link be connected, 1≤j≤N, data C2 have title NA2 unique identification, and by M2 data block It constituting, the data block ID of each data block is q, under conditions of 1≤q≤M2, if mobile node U1 needs to obtain data C2, It checks forwarding table, selects title thresholding to run after fame and claim the forwarding-table item E5 of NA2 and obtain in the set of interfaces thresholding of forwarding-table item E5 Element number n5；If M2 is less than or equal to n5, mobile node U1 obtains data C2 by following processes:
Step 301: starting；
Step 302: mobile node U1 sets 1 for parameter b, and parameter b shows the data of b-th of data block of data C2 Block ID；
Step 303: judge whether parameter b is greater than M2, if so, 305 are thened follow the steps, it is no to then follow the steps 304；
Step 304: mobile node U1 checks required list, selects eligible 2 interface z5, creates a request list item, The title thresholding of the request list item is NA2, and interface thresholding is z5, and it is { b }, mobile node U1 building one that data block ID, which gathers thresholding, A request message, the message format of the request message are 1, and title thresholding is NA2, and data block ID collection is combined into { b }, and type of message is 2, it loads as sky, then sends the request message from interface z5；B value is incremented by 1, executes step 303；
Condition 2: in the total interface of mobile node U1, the request list item number of the set of interfaces thresholding comprising interface z5 It is minimum；
Step 305: if mobile node is known as interface z6 from the interface of oneself to the request message, by the interface, Then follow the steps 310；It is no to then follow the steps 306；
Step 306: infrastructure equipment is known as interface z7 after the interface to request message of oneself, by the interface, Check that the convergence table of oneself judges whether there is interface thresholding equal to interface z7, title thresholding and data block ID set thresholding difference Equal to the convergence list item of title thresholding and data block ID set thresholding in request message, if it is present step 311 is executed, It is no to then follow the steps 307；
Step 307: the infrastructure equipment for receiving request message from interface z7 checks the convergence table of oneself, judges whether There are title thresholdings to be equal to the title thresholding in request message, and data block ID set thresholding is the data block ID collection of request message The convergence list item of the superset of conjunction, if it is present step 308 is executed, it is no to then follow the steps 309；
Step 308: the infrastructure equipment for receiving request message from interface z7 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z7, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID, executes step 311；
Step 309: the infrastructure equipment for receiving request message from interface z7 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z7, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID, then the infrastructure equipment checks interface table, selects interface entry E6, wherein interface z6 is to connect Then an element in the set of interfaces domain of oral thermometer item E6 checks forwarding table, title thresholding is selected to be equal to the request received Then the forwarding-table item E7 of the title of message selects eligible 3 interface z8, the request received from interface z8 forwarding disappears Breath executes step 305；
Condition 3: the interface is both the set of interfaces of the element and forwarding-table item E7 in the set of interfaces of interface entry E6 In element；
Step 310: if cannot provide data C2 from the mobile node that interface z6 receives the request message, abandoning should Request message, otherwise, the mobile node create a response message, and the message format of the response message is 1, title thresholding sum number It is respectively the title thresholding of request message received and data block ID set thresholding according to block ID set thresholding, type of message 3, Load is the data block set that each data block ID in data block ID set is defined；Then the response is sent from interface z6 to disappear Breath；
Step 311: if mobile node U1 is known as interface z8 from the interface of oneself to response message, by the interface, Then follow the steps 313, it is no to then follow the steps 312；
Step 312: infrastructure equipment is known as interface z9 from the interface of oneself to response message, by the interface, so After check convergence table, select all title thresholdings be equal to the response message title thresholding convergence list item, for each selection Convergence list item, infrastructure equipment executes operations described below: if the data block ID set of the convergence list item and the sound that receives Answering the data block ID intersection of sets collection S2 of message is not sky, then infrastructure equipment constructs a response message, the response message Message format be 1, title thresholding is the title thresholding of the convergence list item, and data block ID collection is combined into the data block of the convergence list item ID gathers the data block ID intersection of sets collection S2 with the response message received, and type of message 3 loads as in intersection S2 Then the data block set that each data block ID is defined sends the response message of building, basis from the interface domain of the convergence list item Facilities and equipment deletes intersection S2 from the data block ID of convergence list item set simultaneously, if the data block ID collection of the convergence list item It is combined into sky, then deletes the convergence list item, executes step 311；
Step 313: the mobile node U1 for receiving response message from interface z8 checks required list and deletes title thresholding etc. It is equal to the request list item that the data block ID of the response message gathers in title thresholding and data block the ID set of the response message, such as It is equal to the request list item of the title thresholding of the response message in the required list of fruit mobile node U1 there is no title thresholding, then executes Step 314, no to then follow the steps 311；
Step 314: all data blocks received are built into data C2 by mobile node U1；
Step 315: terminating；
In step 310, if being capable of providing data C2, and the shifting from the mobile node that interface z6 receives the request message Interface z6's dynamic node fails before sending the response message, which then selects the interface for being in effective working condition X3 constructs a response message, sends the response message from interface x3, executes step 311-315 and completes to obtain data procedures.
Mobile node by the above process can be with quick obtaining data.
In the method for the invention, there are N number of interface, interface f supported protocol p in mobile node U1fAnd it is set with infrastructure The supported protocol p of standby I2fInterface link be connected, under conditions of 1≤f≤N, if mobile node U1 detect interface f1 lose Effect, 1≤f1≤N then execute following handoff procedures:
Step 401: starting；
Step 402: mobile node U1 checks required list, and interface thresholding is selected to be equal to all request list items of interface f1, needle To each request list item, mobile node U1 executes operations described below: mobile node U1 selects eligible 3 interface f2, this is asked It asks the interface thresholding of list item to be updated to interface f2, constructs a handover request, the message format of the handover request is 0, entitled Sky, type of message 4 load as the request list item, then send the request message from interface f2；
Condition 3: in the total interface of mobile node U1, the request list item number of the set of interfaces thresholding comprising interface f2 It is minimum；
Step 403: after infrastructure equipment I2 receives handover request from interface f3, checking convergence table, select title-domain Value and data block ID set thresholding are equal to the title thresholding and data block ID of the request list item in the handover request load received Then the interface thresholding of the convergence list item is updated to interface f3 by the convergence list item of set；
Step 404: terminating.
Above-mentioned handoff procedure may insure that node correctly rapidly obtains data.
The utility model has the advantages that the present invention provides a kind of, the new generation network implementation method based on multipath saves in the present invention Point obtains data simultaneously by mulitpath, to reduce data communication delays, improves data service quality.The present invention can Applied to numerous areas such as traffic prosecution and agricultural engineerizations, it is with a wide range of applications.
Detailed description of the invention
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, of the invention is above-mentioned And/or otherwise advantage will become apparent.
Fig. 1 is publication flow diagram of the present invention.
Fig. 2 is acquisition data flow diagram of the present invention.
Fig. 3 is data communication process schematic diagram of the present invention.
Fig. 4 is switching flow schematic diagram of the present invention.
Specific embodiment:
The new generation network implementation method based on multipath that the present invention provides a kind of, in the present invention, node pass through more Paths obtain data simultaneously, to reduce data communication delays, improve data service quality.Present invention can apply to hand over The numerous areas such as the prosecution of access condition and agricultural engineerization, are with a wide range of applications.
Fig. 1 is publication flow diagram of the present invention.The network includes infrastructure equipment and mobile node；Often A mobile node has N number of interface, and each interface is communicated using different agreements, such as wifi, bluetooth etc., and one A mobile node can be communicated by N kind agreement, and a kind of infrastructure equipment link at least 2N interface can pass through N kind agreement is communicated, and at least two or more interfaces are communicated using same agreement；Each basis is set One interface table of plant maintenance is applied, each interface entry includes protocol domain and set of interfaces domain, and agreement thresholding defines the class of agreement Type, set of interfaces thresholding save all interfaces communicated using this kind of agreement；The interface table of each infrastructure equipment can To be preset by producer；
One mobile node is connected with an infrastructure equipment link, and passes through the infrastructure equipment and other movements Node is communicated；
A type of data are by a title unique identification, and a kind of data are made of more than two data blocks, each Data block is by a data block ID unique identification；
One message is made of message format domain, title-domain, data block ID set domain, message type field and load, if Message format domain is 0, then a message only includes message format domain, title-domain, message type field and load；If message format Domain is 1, then a message includes message format domain, title-domain, data block ID set domain, message type field and load；
Type of message is as shown in the table:
Type of message Value of message types
It gives out information 1
Request message 2
Response message 3
Handover request 4
Each infrastructure equipment or mobile node safeguard a forwarding table, and the forwarding-table item is by title thresholding and interface Gather thresholding to constitute；
There is N number of interface, interface x supported protocol p in mobile node R1xAnd the supported protocol p with infrastructure equipment I1x Interface link be connected under conditions of, 1≤x≤N, data C1 produce data C1 by title NA1 unique identification, mobile node R1 Afterwards, following publication operations are executed:
Step 101: starting；
Step 102: mobile node R1 constructs one and gives out information, which is 0, and title thresholding is NA1, type of message 1 load as sky, and mobile node R1 sends this from each interface and gives out information；
Step 103: infrastructure equipment I1 is received after this gives out information respectively from N number of interface, is received for each It gives out information, infrastructure equipment I1 executes operations described below: infrastructure equipment I1 receives the publication from the interface y of oneself and disappears Breath, infrastructure equipment I1 check forwarding table, and the forwarding-table item of the title thresholding to give out information is equal to if there is title thresholding, Then interface y is added in the set of interfaces thresholding of the forwarding-table item；It is equal to the name to give out information if there is no title thresholding Claim the forwarding-table item of thresholding, infrastructure equipment creates a forwarding-table item, and the title thresholding of the forwarding-table item is equal to publication and disappears The title thresholding of breath, set of interfaces thresholding are equal to { y }；Infrastructure equipment I1 checks interface table, selects set of interfaces thresholding packet The interface entry of the y containing interface, then each interface from the set of interfaces thresholding in addition to interface y forwards this to give out information；
Step 104: it gives out information if mobile node receives, thens follow the steps 106, it is no to then follow the steps 105；
Step 105: infrastructure equipment receives after this gives out information respectively from N number of interface, for each hair received Cloth message, infrastructure equipment execute operations described below: infrastructure equipment receives this from the interface y1 of oneself and gives out information, base Infrastructure equipment checks forwarding table, and the forwarding-table item of the title thresholding to give out information is equal to if there is title thresholding, then will be connect Mouth y1 is added in the set of interfaces thresholding of the forwarding-table item；It is equal to the title thresholding to give out information if there is no title thresholding Forwarding-table item, infrastructure equipment creates a forwarding-table item, and the title thresholding of the forwarding-table item is equal to the name to give out information Claim thresholding, set of interfaces thresholding is equal to { y1 }；Infrastructure equipment checks interface table, and selecting set of interfaces thresholding includes interface y1 Interface entry, then each interface from the set of interfaces thresholding in addition to interface y1 forwards this to give out information, execute step 104；
Step 106: mobile node receives after this gives out information respectively from N number of interface, disappears for each publication received Breath, mobile node execute operations described below: mobile node receives this from the interface y2 of oneself and gives out information, and mobile node, which is checked, to be turned It delivers, the forwarding-table item of the title thresholding to give out information is equal to if there is title thresholding, then interface y2 is added to the forwarding In the set of interfaces thresholding of list item；It is equal to the forwarding-table item of the title thresholding to give out information if there is no title thresholding, it is mobile Node then creates a forwarding-table item, and the title thresholding of the forwarding-table item is equal to the title thresholding to give out information, set of interfaces domain Value is equal to { y2 }；
Step 107: terminating.
Fig. 2 is acquisition data flow diagram of the present invention.Infrastructure equipment safeguards a convergence table, a remittance Poly- list item is made of title-domain, interface domain and data block ID set domain；
Mobile node safeguards a required list, and a request list item includes that title-domain, interface domain and data block ID gather domain；
There are N number of interface, interface j supported protocol p in mobile node U1jAnd the supported protocol p with infrastructure equipment I2j's Interface link is connected, and 1≤j≤N, data C1 have title NA1 unique identification, and are made of M1 data block, each data block Data block ID is m, under conditions of 1≤m≤M1, if mobile node U1 needs to obtain data C1, checks forwarding table, selects name Thresholding is referred to as the forwarding-table item E1 of NA1 and the number n1 for obtaining the element in the set of interfaces thresholding of forwarding-table item E1；If M1 Greater than n1, mobile node U1 then obtains data C1 by following processes:
Step 201: starting；
Step 202: M1 data block ID is divided into n1 data block ID and gathered by mobile node U1, sets parameter z to 1, which shows z-th of element in forwarding-table item E1 set of interfaces domain, 1≤z≤n1；
Step 203: judge whether parameter z is greater than n1, if so, 205 are thened follow the steps, it is no to then follow the steps 204；
Step 204: for z-th of element in forwarding-table item E1 set of interfaces domain, mobile node U1 executes operations described below, The data block ID set F for distributing to z-th of element in forwarding-table item E1 set of interfaces domain is calculated according to formula (1)z, creation one A request list item, the title thresholding of the request list item are NA1, and interface thresholding is z-th in forwarding-table item E1 set of interfaces domain Element, it is F that data block ID, which gathers thresholding,z, mobile node U1 one request message of building, the message format of the request message is 1, Title thresholding is NA1, and data block ID collection is combined into Fz, type of message 2 loads as sky；The set of interfaces domain from forwarding-table item E1 Z-th of element send the request message, by z value be incremented by 1, execute step 203；
Step 205: if mobile node receives the request message from interface z1, thening follow the steps 210；Otherwise step is executed Rapid 206；
Step 206: after infrastructure equipment receives request message from interface z2, checking that the convergence table of oneself judges whether There are interface thresholdings to be equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather the convergence list item of thresholding with data block ID, if it is present step 211 is executed, it is no to then follow the steps 207；
Step 207: the infrastructure equipment for receiving request message from interface z2 checks the convergence table of oneself, judges whether There are title thresholdings to be equal to the title thresholding in request message, and data block ID set thresholding is the data block ID collection of request message The convergence list item of the superset of conjunction, if it is present step 208 is executed, it is no to then follow the steps 209；
Step 208: the infrastructure equipment for receiving request message from interface z2 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID, executes step 211；
Step 209: the infrastructure equipment for receiving request message from interface z2 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID；The infrastructure equipment checks interface table, selects interface entry E2, wherein interface z2 is interface table An element in the set of interfaces domain of E2, infrastructure equipment check forwarding table, selects title thresholding to be equal to and receives The forwarding-table item E3 of the title of request message selects eligible 1 interface z3, and the request received from interface z3 forwarding disappears Breath executes step 205；
Condition 1: the interface is both the set of interfaces of the element and forwarding-table item E3 in the set of interfaces of interface entry E2 In element；
Step 210: if cannot provide data C1 from the mobile node that interface z1 receives the request message, abandoning should Request message, otherwise, the mobile node create a response message, and the message format of the response message is 1, title thresholding sum number It is respectively the title thresholding of request message received and data block ID set thresholding according to block ID set thresholding, type of message 3, Load is the data block set that each data block ID in data block ID set is defined；Then the response is sent from interface z1 to disappear Breath；
Step 211: if mobile node U1 receives response message from interface z3, thening follow the steps 213, otherwise execute step Rapid 212；
Step 212: infrastructure equipment is known as interface z4 from the interface of oneself to response message, by the interface, looks into It sees convergence table, selects all title thresholdings to be equal to the convergence list item of the title thresholding of the response message, for the remittance of each selection Poly- list item, infrastructure equipment execute operations described below: if the data block ID set of the convergence list item disappears with the response received The data block ID intersection of sets collection S1 of breath is not sky, then infrastructure equipment constructs a response message, which disappears Ceasing format is 1, and title thresholding is the title thresholding of the convergence list item, and data block ID collection is combined into the data block ID collection of the convergence list item The data block ID intersection of sets collection S1 for the response message for closing and receiving, type of message 3 load as each of intersection S1 The data block set that data block ID is defined sends the response message of building, infrastructure equipment from the interface domain of the convergence list item Intersection S1 is deleted from the data block ID of convergence list item set simultaneously, if the data block ID collection of the convergence list item is combined into sky, The convergence list item is then deleted, step 211 is executed；
Step 213: after mobile node U1 receives response message from interface z3, check required list and delete title thresholding etc. It is equal to the request list item that the data block ID of the response message gathers in title thresholding and data block the ID set of the response message, such as It is equal to the request list item of the title thresholding of the response message in the required list of fruit mobile node U1 there is no title thresholding, then executes Step 214, no to then follow the steps 211；
Step 214: all data blocks received are built into data C1 by mobile node U1；
Step 215: terminating；
In step 210, if being capable of providing data C1, and the shifting from the mobile node that interface z1 receives the request message Interface z1's dynamic node fails before sending the response message, which then selects the interface for being in effective working condition X2 constructs a response message, sends the response message from interface x2, executes step 211-215 and completes to obtain data procedures.
Fig. 3 is data communication process schematic diagram of the present invention.There is N number of interface in mobile node U1, interface j supports association Discuss pjAnd the supported protocol p with infrastructure equipment I2jInterface link be connected, 1≤j≤N, data C2 has title NA2 uniquely to mark Know, and be made of M2 data block, the data block ID of each data block is q, under conditions of 1≤q≤M2, if mobile node U1 It needs to obtain data C2, then checks forwarding table, select title thresholding to run after fame and claim the forwarding-table item E5 of NA2 and obtain forwarding-table item E5 Set of interfaces thresholding in element number n5；If M2 is less than or equal to n5, mobile node U1 is obtained by following processes Data C2:
Step 301: starting；
Step 302: mobile node U1 sets 1 for parameter b, and parameter b shows the data of b-th of data block of data C2 Block ID；
Step 303: judge whether parameter b is greater than M2, if so, 305 are thened follow the steps, it is no to then follow the steps 304；
Step 304: mobile node U1 checks required list, selects eligible 2 interface z5, creates a request list item, The title thresholding of the request list item is NA2, and interface thresholding is z5, and it is { b }, mobile node U1 building one that data block ID, which gathers thresholding, A request message, the message format of the request message are 1, and title thresholding is NA2, and data block ID collection is combined into { b }, and type of message is 2, it loads as sky, then sends the request message from interface z5；B value is incremented by 1, executes step 303；
Condition 2: in the total interface of mobile node U1, the request list item number of the set of interfaces thresholding comprising interface z5 It is minimum；
Step 305: if mobile node is known as interface z6 from the interface of oneself to the request message, by the interface, Then follow the steps 310；It is no to then follow the steps 306；
Step 306: infrastructure equipment is known as interface z7 after the interface to request message of oneself, by the interface, Check that the convergence table of oneself judges whether there is interface thresholding equal to interface z7, title thresholding and data block ID set thresholding difference Equal to the convergence list item of title thresholding and data block ID set thresholding in request message, if it is present step 311 is executed, It is no to then follow the steps 307；
Step 307: the infrastructure equipment for receiving request message from interface z7 checks the convergence table of oneself, judges whether There are title thresholdings to be equal to the title thresholding in request message, and data block ID set thresholding is the data block ID collection of request message The convergence list item of the superset of conjunction, if it is present step 308 is executed, it is no to then follow the steps 309；
Step 308: the infrastructure equipment for receiving request message from interface z7 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z7, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID, executes step 311；
Step 309: the infrastructure equipment for receiving request message from interface z7 creates a convergence list item, the convergence table The interface thresholding of item is equal to interface z7, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding in request message Gather thresholding with data block ID, then the infrastructure equipment checks interface table, selects interface entry E6, wherein interface z6 is to connect Then an element in the set of interfaces domain of oral thermometer item E6 checks forwarding table, title thresholding is selected to be equal to the request received Then the forwarding-table item E7 of the title of message selects eligible 3 interface z8, the request received from interface z8 forwarding disappears Breath executes step 305；
Condition 3: the interface is both the set of interfaces of the element and forwarding-table item E7 in the set of interfaces of interface entry E6 In element；
Step 310: if cannot provide data C2 from the mobile node that interface z6 receives the request message, abandoning should Request message, otherwise, the mobile node create a response message, and the message format of the response message is 1, title thresholding sum number It is respectively the title thresholding of request message received and data block ID set thresholding according to block ID set thresholding, type of message 3, Load is the data block set that each data block ID in data block ID set is defined；Then the response is sent from interface z6 to disappear Breath；
Step 311: if mobile node U1 is known as interface z8 from the interface of oneself to response message, by the interface, Then follow the steps 313, it is no to then follow the steps 312；
Step 312: infrastructure equipment is known as interface z9 from the interface of oneself to response message, by the interface, so After check convergence table, select all title thresholdings be equal to the response message title thresholding convergence list item, for each selection Convergence list item, infrastructure equipment executes operations described below: if the data block ID set of the convergence list item and the sound that receives Answering the data block ID intersection of sets collection S2 of message is not sky, then infrastructure equipment constructs a response message, the response message Message format be 1, title thresholding is the title thresholding of the convergence list item, and data block ID collection is combined into the data block of the convergence list item ID gathers the data block ID intersection of sets collection S2 with the response message received, and type of message 3 loads as in intersection S2 Then the data block set that each data block ID is defined sends the response message of building, basis from the interface domain of the convergence list item Facilities and equipment deletes intersection S2 from the data block ID of convergence list item set simultaneously, if the data block ID collection of the convergence list item It is combined into sky, then deletes the convergence list item, executes step 311；
Step 313: the mobile node U1 for receiving response message from interface z8 checks required list and deletes title thresholding etc. It is equal to the request list item that the data block ID of the response message gathers in title thresholding and data block the ID set of the response message, such as It is equal to the request list item of the title thresholding of the response message in the required list of fruit mobile node U1 there is no title thresholding, then executes Step 314, no to then follow the steps 311；
Step 314: all data blocks received are built into data C2 by mobile node U1；
Step 315: terminating；
In step 310, if being capable of providing data C2, and the shifting from the mobile node that interface z6 receives the request message Interface z6's dynamic node fails before sending the response message, which then selects the interface for being in effective working condition X3 constructs a response message, sends the response message from interface x3, executes step 311-315 and completes to obtain data procedures.
Fig. 4 is switching flow schematic diagram of the present invention.There are N number of interface, interface f supported protocol p in mobile node U1f And the supported protocol p with infrastructure equipment I2fInterface link be connected, under conditions of 1≤f≤N, if mobile node U1 examine Interface f1 failure is measured, 1≤f1≤N then executes following handoff procedures:
Step 401: starting；
Step 402: mobile node U1 checks required list, and interface thresholding is selected to be equal to all request list items of interface f1, needle To each request list item, mobile node U1 executes operations described below: mobile node U1 selects eligible 3 interface f2, this is asked It asks the interface thresholding of list item to be updated to interface f2, constructs a handover request, the message format of the handover request is 0, entitled Sky, type of message 4 load as the request list item, then send the request message from interface f2；
Condition 3: in the total interface of mobile node U1, the request list item number of the set of interfaces thresholding comprising interface f2 It is minimum；
Step 403: after infrastructure equipment I2 receives handover request from interface f3, checking convergence table, select title-domain Value and data block ID set thresholding are equal to the title thresholding and data block ID of the request list item in the handover request load received Then the interface thresholding of the convergence list item is updated to interface f3 by the convergence list item of set；
Step 404: terminating.
Embodiment 1
Based on the simulation parameter of table 1, the present embodiment simulates new generation network of one of the present invention based on multipath Implementation method, performance evaluation are as follows: when interface quantity increases, the delay that mobile node obtains data is reduced, and works as interface quantity When reduction, the delay that mobile node obtains data increases.The average retardation that mobile node obtains data is 600ms.
1 simulation parameter of table
The thinking for the new generation network implementation method based on multipath that the present invention provides a kind of, implements the technical side There are many method and approach of case, the above is only a preferred embodiment of the present invention, it is noted that for the art For those of ordinary skill, various improvements and modifications may be made without departing from the principle of the present invention, these improvement It also should be regarded as protection scope of the present invention with retouching.The available prior art of each component part being not known in the present embodiment is subject to It realizes.

Claims (4)

1. a kind of new generation network implementation method based on multipath, which is characterized in that the network includes infrastructure equipment And mobile node；Each mobile node has N number of interface, and each interface is communicated using different agreements, a movable joint Point can be communicated by N kind agreement, and a kind of infrastructure equipment link at least 2N interface can pass through N kind agreement It is communicated, and is at least communicated there are two interface using same agreement；Each infrastructure equipment safeguards an interface Table, each interface entry include protocol domain and set of interfaces domain, and agreement thresholding defines the type of agreement, and set of interfaces thresholding saves All interfaces communicated using this kind of agreement；The interface table of each infrastructure equipment is preset；
One mobile node is connected with an infrastructure equipment link, and passes through the infrastructure equipment and other mobile nodes It is communicated；
A type of data are by a title unique identification, and a kind of data are made of more than two data blocks, each data Block is by a data block ID unique identification；
One message is made of message format domain, title-domain, data block ID set domain, message type field and load, if message Format field is 0, then a message only includes message format domain, title-domain, message type field and load；If message format domain is 1, then a message includes message format domain, title-domain, data block ID set domain, message type field and load；
Type of message include: give out information, request message, response message and handover request, give out information, request message, sound Answering the value of message types of message and handover request is respectively 1,2,3 and 4；
Each infrastructure equipment or mobile node safeguard a forwarding table, and the forwarding-table item is by title thresholding and set of interfaces Thresholding is constituted；
There is N number of interface, interface x supported protocol p in mobile node U1xAnd the supported protocol p with infrastructure equipment I1xConnect Under conditions of mouth link is connected, 1≤x≤N, data C1 are by title NA1 unique identification, after mobile node U1 produces data C1, Execute following publication operations:
Step 101: starting；
Step 102: mobile node U1 constructs one and gives out information, which is 0, and title thresholding is NA1, Type of message is 1, is loaded as sky, and mobile node U1 sends this from each interface and gives out information；
Step 103: infrastructure equipment I1 is received after this gives out information respectively from N number of interface, for each publication received Message, infrastructure equipment I1 execute operations described below: infrastructure equipment I1 receives this from the interface y of oneself and gives out information, Infrastructure equipment I1 checks forwarding table, the forwarding-table item of the title thresholding to give out information is equal to if there is title thresholding, then Interface y is added in the set of interfaces thresholding of the forwarding-table item；It is equal to the title to give out information if there is no title thresholding The forwarding-table item of thresholding, infrastructure equipment I1 create a forwarding-table item, and the title thresholding of the forwarding-table item is equal to publication and disappears The title thresholding of breath, set of interfaces thresholding are equal to { y }；Infrastructure equipment I1 checks interface table, selects set of interfaces thresholding packet The interface entry of the y containing interface, then each interface from the set of interfaces thresholding in addition to interface y forwards this to give out information；
Step 104: disappearing if receiving publication with the mobile node for forwarding the infrastructure equipment link to give out information to be connected Breath, thens follow the steps 106, no to then follow the steps 105；
Step 105: distinguishing with the infrastructure equipment for forwarding the infrastructure equipment link to give out information to be connected from N number of interface Receive after this gives out information, for it is each receive give out information, infrastructure equipment executes operations described below: infrastructure is set It gives out information for this is received from the interface y1 of oneself, infrastructure equipment checks forwarding table, is equal to if there is title thresholding Interface y1 is then added in the set of interfaces thresholding of the forwarding-table item by the forwarding-table item of the title thresholding to give out information；If There is no the forwarding-table item that title thresholding is equal to the title thresholding to give out information, infrastructure equipment creates a forwarding-table item, The title thresholding of the forwarding-table item is equal to the title thresholding to give out information, and set of interfaces thresholding is equal to { y1 }；Infrastructure equipment Check interface table, selecting set of interfaces thresholding includes the interface entry of interface y1, then in addition to connecing from the set of interfaces thresholding Each interface of mouth y1 forwards this to give out information, and executes step 104；
Step 106: mobile node receives after this gives out information respectively from N number of interface, for it is each receive give out information, move Dynamic node executes operations described below: mobile node receives this from the interface y2 of oneself and gives out information, and mobile node checks forwarding table, It is equal to the forwarding-table item of the title thresholding to give out information if there is title thresholding, then interface y2 is added to the forwarding-table item In set of interfaces thresholding；It is equal to the forwarding-table item of the title thresholding to give out information if there is no title thresholding, mobile node is then A forwarding-table item is created, the title thresholding of the forwarding-table item is equal to the title thresholding to give out information, and set of interfaces thresholding is equal to {y2}；
Step 107: terminating.
2. a kind of new generation network implementation method based on multipath according to claim 1, which is characterized in that basis is set One convergence table of plant maintenance is applied, a convergence list item is made of title-domain, interface domain and data block ID set domain；
Mobile node safeguards a required list, and a request list item includes that title-domain, interface domain and data block ID gather domain；
There are N number of interface, interface j supported protocol p in mobile node U1jAnd the supported protocol p with infrastructure equipment I2jInterface Link is connected, and 1≤j≤N, data C1 are constituted by title NA1 unique identification, and by M1 data block, the data of each data block Block ID is m, under conditions of 1≤m≤M1, if mobile node U1 needs to obtain data C1, checks forwarding table, selects title-domain Value is the forwarding-table item E1 of NA1 and obtains the number n1 of the element in the set of interfaces thresholding of forwarding-table item E1；If M1 is greater than N1, mobile node U1 then obtain data C1 by following processes:
Step 201: starting；
Step 202: M1 data block ID is divided into n1 data block ID and gathered by mobile node U1, sets 1 for parameter z, should Parameter shows z-th of element in forwarding-table item E1 set of interfaces domain, 1≤z≤n1；
Step 203: judge whether parameter z is greater than n1, if so, 205 are thened follow the steps, it is no to then follow the steps 204；
Step 204: for z-th of element in forwarding-table item E1 set of interfaces domain, mobile node U1 executes operations described below, according to Formula (1) calculates the data block ID set F for distributing to z-th of element in forwarding-table item E1 set of interfaces domainz, create one and ask List item is sought, the title thresholding of the request list item is NA1, and interface thresholding is z-th of element in forwarding-table item E1 set of interfaces domain, It is F that data block ID, which gathers thresholding,z, mobile node U1 one request message of building, the message format of the request message is 1, title Thresholding is NA1, and data block ID collection is combined into Fz, type of message 2 loads as sky；The z in set of interfaces domain from forwarding-table item E1 A element sends the request message, and z value is incremented by 1, executes step 203；
Indicate that the value of M1/n1 rounds up, U indicates union operation；
Step 205: if the mobile node being connected with the mobile node or infrastructure equipment link for forwarding the request message The request message is received from interface z1, thens follow the steps 210；It is no to then follow the steps 206；
Step 206: the infrastructure equipment being connected with the mobile node or infrastructure equipment link for forwarding the request message After request message is received from interface z2, check that the convergence table of oneself judges whether there is interface thresholding equal to interface z2, title Thresholding and data block ID set thresholding are respectively equal to the convergence table of title thresholding and data block ID set thresholding in request message , if it is present step 211 is executed, it is no to then follow the steps 207；
Step 207: the infrastructure equipment for receiving request message from interface z2 checks the convergence table of oneself, judges whether there is Title thresholding is equal to the title thresholding in request message, and data block ID set thresholding is the data block ID set of request message The convergence list item of superset, if it is present step 208 is executed, it is no to then follow the steps 209；
Step 208: the infrastructure equipment for receiving request message from interface z2 creates a convergence list item, the convergence list item Interface thresholding is equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding sum number in request message Gather thresholding according to block ID, executes step 211；
Step 209: the infrastructure equipment for receiving request message from interface z2 creates a convergence list item, the convergence list item Interface thresholding is equal to interface z2, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding sum number in request message Gather thresholding according to block ID；The infrastructure equipment checks interface table, selects interface entry E2, wherein interface z2 is interface entry E2 Set of interfaces domain in an element, infrastructure equipment checks forwarding table, title thresholding selected to be equal to the request received The forwarding-table item E3 of the title of message selects eligible 1 interface z3, and the request message received is forwarded from interface z3, is held Row step 205；
Condition 1: the interface is both in the set of interfaces of the element and forwarding-table item E3 in the set of interfaces of interface entry E2 Element；
Step 210: if data C1 cannot be provided from the mobile node that interface z1 receives the request message, abandoning the request Message, otherwise, the mobile node create a response message, and the message format of the response message is 1, title thresholding and data block ID set thresholding is respectively the title thresholding and data block ID set thresholding of the request message received, type of message 3, load The data block set defined for each data block ID in data block ID set；Then the response message is sent from interface z1；
Step 211: if mobile node U1 receives response message from interface z3, then follow the steps 213, it is no to then follow the steps 212；
Step 212: the infrastructure equipment being connected with the mobile node or infrastructure equipment link for forwarding the response message From the interface of oneself to response message, which is known as interface z4, checks convergence table, all title thresholdings is selected to be equal to The convergence list item of the title thresholding of the response message, for the convergence list item of each selection, infrastructure equipment executes following behaviour Make: if the data block ID set of the convergence list item and the data block ID intersection of sets collection S1 of the response message received are not Sky, then infrastructure equipment constructs a response message, and the message format of the response message is 1, and title thresholding is the convergence table The title thresholding of item, data block ID collection are combined into the data block of data block the ID set and the response message received of the convergence list item ID intersection of sets collection S1, type of message 3 load the data block set defined for each data block ID in intersection S1, from The interface domain of the convergence list item sends the response message of building, and infrastructure equipment is simultaneously from the data block ID collection of the convergence list item Intersection S1 is deleted in conjunction, if the data block ID collection of the convergence list item is combined into sky, is deleted the convergence list item, is executed step 211；
Step 213: after mobile node U1 receives response message from interface z3, checking required list and delete that title thresholding is equal to should Title thresholding and data block the ID set of response message are equal to the request list item that the data block ID of the response message gathers, if moved It is equal to the request list item of the title thresholding of the response message in the required list of dynamic node U1 there is no title thresholding, thens follow the steps 214, it is no to then follow the steps 211；
Step 214: all data blocks received are built into data C1 by mobile node U1；
Step 215: terminating；
In step 210, if being capable of providing data C1, and the movable joint from the mobile node that interface z1 receives the request message Interface z1's point fails before sending the response message, which then selects the interface x2 for being in effective working condition, A response message is constructed, sends the response message from interface x2, step 211-215 is executed and completes to obtain data procedures.
3. a kind of new generation network implementation method based on multipath according to claim 2, which is characterized in that
There are N number of interface, interface j supported protocol p in mobile node U1jAnd the supported protocol p with infrastructure equipment I2jInterface Link is connected, and 1≤j≤N, data C2 are constituted by title NA2 unique identification, and by M2 data block, the data of each data block Block ID is q, under conditions of 1≤q≤M2, if mobile node U1 needs to obtain data C2, checks forwarding table, selects title-domain Value is the forwarding-table item E5 of title NA2 and obtains the number n5 of the element in the set of interfaces thresholding of forwarding-table item E5；If M2 Less than or equal to n5, then mobile node U1 obtains data C2 by following processes:
Step 301: starting；
Step 302: mobile node U1 sets 1 for parameter b, and parameter b shows the data block of b-th of data block of data C2 ID；
Step 303: judge whether parameter b is greater than M2, if so, 305 are thened follow the steps, it is no to then follow the steps 304；
Step 304: mobile node U1 checks required list, selects eligible 2 interface z5, creates a request list item, this is asked The title thresholding for seeking list item is NA2, and interface thresholding is z5, and it is { b } that data block ID, which gathers thresholding, and mobile node U1 constructs one and asks Message is sought, the message format of the request message is 1, and title thresholding is NA2, and data block ID collection is combined into { b }, type of message 2, is born It is empty for carrying, and then sends the request message from interface z5；B value is incremented by 1, executes step 303；
Condition 2: in the total interface of mobile node U1, the request list item number of the set of interfaces thresholding comprising interface z5 is most It is small；
Step 305: if the mobile node being connected with the mobile node or infrastructure equipment link for forwarding the request message From the interface of oneself to the request message, which is known as interface z6, thens follow the steps 310；It is no to then follow the steps 306；
Step 306: the infrastructure equipment being connected with the mobile node or infrastructure equipment link for forwarding the request message After the interface to request message of oneself, which is known as interface z7, checks that the convergence table of oneself judges whether there is Interface thresholding is equal to interface z7, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding sum number in request message According to the convergence list item of block ID set thresholding, if it is present step 311 is executed, it is no to then follow the steps 307；
Step 307: the infrastructure equipment for receiving request message from interface z7 checks the convergence table of oneself, judges whether there is Title thresholding is equal to the title thresholding in request message, and data block ID set thresholding is the data block ID set of request message The convergence list item of superset, if it is present step 308 is executed, it is no to then follow the steps 309；
Step 308: the infrastructure equipment for receiving request message from interface z7 creates a convergence list item, the convergence list item Interface thresholding is equal to interface z7, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding sum number in request message Gather thresholding according to block ID, executes step 311；
Step 309: the infrastructure equipment for receiving request message from interface z7 creates a convergence list item, the convergence list item Interface thresholding is equal to interface z7, and title thresholding and data block ID set thresholding are respectively equal to the title thresholding sum number in request message Gather thresholding according to block ID, then the infrastructure equipment checks interface table, selects interface entry E6, wherein interface z6 is interface table An element in the set of interfaces domain of item E6, then checks forwarding table, and title thresholding is selected to be equal to the request message received Title forwarding-table item E7, then select eligible 3 interface z8, forward the request message that receives from interface z8, hold Row step 305；
Condition 3: the interface is both in the set of interfaces of the element and forwarding-table item E7 in the set of interfaces of interface entry E6 Element；
Step 310: if data C2 cannot be provided from the mobile node that interface z6 receives the request message, abandoning the request Message, otherwise, the mobile node create a response message, and the message format of the response message is 1, title thresholding and data block ID set thresholding is respectively the title thresholding and data block ID set thresholding of the request message received, type of message 3, load The data block set defined for each data block ID in data block ID set；Then the response message is sent from interface z6；
Step 311: if mobile node U1 is known as interface z8 from the interface of oneself to response message, by the interface, then holding Row step 313, it is no to then follow the steps 312；
Step 312: the infrastructure equipment being connected with the mobile node or infrastructure equipment link for forwarding the response message From the interface of oneself to response message, which is known as interface z9, then checks convergence table, selects all title thresholdings Equal to the convergence list item of the title thresholding of the response message, for the convergence list item of each selection, under infrastructure equipment executes State operation: if the data block ID intersection of sets collection S2 of the data block ID set of the convergence list item and the response message received is not For sky, then infrastructure equipment constructs a response message, and the message format of the response message is 1, and title thresholding is the convergence The title thresholding of list item, data block ID collection are combined into the data of data block the ID set and the response message received of the convergence list item Block ID intersection of sets collection S2, type of message 3 load the data block set defined for each data block ID in intersection S2, Then the response message of building is sent from the interface domain of the convergence list item, infrastructure equipment is simultaneously from the data of the convergence list item Intersection S2 is deleted in block ID set to delete the convergence list item if the data block ID collection of the convergence list item is combined into sky, execute step Rapid 311；
Step 313: the mobile node U1 for receiving response message from interface z8, which checks required list and deletes title thresholding, is equal to this Title thresholding and data block the ID set of response message are equal to the request list item that the data block ID of the response message gathers, if moved It is equal to the request list item of the title thresholding of the response message in the required list of dynamic node U1 there is no title thresholding, thens follow the steps 314, it is no to then follow the steps 311；
Step 314: all data blocks received are built into data C2 by mobile node U1；
Step 315: terminating；
In step 310, if being capable of providing data C2, and the movable joint from the mobile node that interface z6 receives the request message Interface z6's point fails before sending the response message, which then selects the interface x3 for being in effective working condition, A response message is constructed, sends the response message from interface x3, step 311-315 is executed and completes to obtain data procedures.
4. a kind of new generation network implementation method based on multipath according to claim 3, which is characterized in that in movement Node U1 has N number of interface, interface f supported protocol pfAnd the supported protocol p with infrastructure equipment I2fInterface link be connected, 1 Under conditions of≤f≤N, if mobile node U1 detects that interface f1 fails, 1≤f1≤N then executes following handoff procedures:
Step 401: starting；
Step 402: mobile node U1 checks required list, selects interface thresholding to be equal to all request list items of interface f1, for every A request list item, mobile node U1 execute operations described below: mobile node U1 selects eligible 4 interface f2, by the required list The interface thresholding of item is updated to interface f2, constructs a handover request, and the message format of the handover request is 0, and entitled sky disappears Ceasing type is 4, loads as the request list item, then sends the request message from interface f2；
Condition 4: in the total interface of mobile node U1, the request list item number of the set of interfaces thresholding comprising interface f2 is most It is small；
Step 403: after infrastructure equipment I2 receives handover request from interface f3, check convergence table, select title thresholding and Data block ID set thresholding is equal to the title thresholding and data block ID set of the request list item in the handover request load received Convergence list item, the interface thresholding of the convergence list item is then updated to interface f3；
Step 404: terminating.
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