CN106162809B - A kind of mobile wireless network data communications method - Google Patents
A kind of mobile wireless network data communications method Download PDFInfo
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- CN106162809B CN106162809B CN201610403594.XA CN201610403594A CN106162809B CN 106162809 B CN106162809 B CN 106162809B CN 201610403594 A CN201610403594 A CN 201610403594A CN 106162809 B CN106162809 B CN 106162809B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/20—Hop count for routing purposes, e.g. TTL
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/741—Routing in networks with a plurality of addressing schemes, e.g. with both IPv4 and IPv6
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
- H04L2101/659—Internet protocol version 6 [IPv6] addresses
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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 invention discloses a kind of mobile wireless network data communications method, the mobile wireless network is linked into internet by a couple in router, mobile wireless network by the couple in router global network prefix unique identification；Each couple in router has the geographical position coordinates of global uniqueness；By a data ID unique identification, mobile wireless network of the global network prefix by authorization just has permission creation and provides the type data a type of data；Mobile wireless network has the right to create and provide the data of two or more types, the data ID of these data establishes data ID set, the mobile wireless network data communications method provided through the invention, mobile node can obtain service data from apart from nearest mobile node with mode of unicast, shorten the delay and cost for obtaining service data, service quality is improved, present invention can apply to the fields such as road conditions monitoring, vehicle management, are with a wide range of applications.
Description
Technical field
The present invention relates to a kind of data communications method more particularly to a kind of mobile wireless network data communications methods.
Background technique
In recent years, many research work are dedicated to mobile wireless network data communications method, to enable mobile node
Quick obtaining network service.With the development of mobile wireless network technology, mobile wireless network data communications method can become not
To provide the one mode of service.
Currently, the implementation pattern of mobile wireless network data communication is to be realized by broadcasting, therefore delay and cost are all
It is bigger, reduce network service performance.Therefore, how to reduce mobile wireless network and provide the delay serviced and cost as close
The hot issue studied over year.
Summary of the invention
Goal of the invention: the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of mobile nothing
Line network data communication method.The present invention realizes the data communication side of mobile wireless network in such a way that unicast replaces broadcast
Method, so that reducing mobile wireless network provides the delay and cost of service, to effectively improve network service performance.
Technical solution: the invention discloses a kind of mobile wireless network data communications method, the mobile wireless network is logical
It crosses a couple in router and is linked into internet, mobile wireless network is uniquely marked by the global network prefix of the couple in router
Know；Each couple in router has the geographical position coordinates of global uniqueness；
A type of data are authorized or are recognized by authoritative institution by a data ID unique identification, global network prefix
The mobile wireless network of card just has permission creation and provides the type data, for example EI database will be awarded by elsevier company
Power, the accessible EI database of global network prefix of the colleges and universities by the authorization of elsevier company；Mobile wireless network is had the right
The data of two or more types are created and provide, the data ID of these data establishes data ID set；
Creation will be had permission and provide a kind of mobile node of categorical data as data set provider；If having global net
The mobile wireless network of network prefix G has permission creation and provides a type of data C, then obtaining in the mobile wireless network
It takes the mobile node of home address to obtain creation automatically and the permission of data C is provided, become the data set provider of data C；?
In the mobile wireless network of global network prefix G obtain home address all mobile nodes can cooperative cooperating generate number jointly
According to C；In any one mobile wireless network, there are a data server, the server is for saving the mobile wireless network
The data of generation and offer are provided；
Mobile node obtains a type of data by the address global I Pv6 and data address；The overall situation of mobile node
The address IPv6 is made of five parts: first part is the global network prefix of i bit, is used for one mobile wireless of unique identification
Network, value are equal to the global network prefix of couple in router in mobile wireless network；Second part is to retain region, and length is
K bit；Part III and Part IV are the geographical abscissa and ordinate of couple in router in mobile wireless network, respectively
J bit, value have global uniqueness；Part V is internal ID, and length is 128-i-2j-k bit, and i, j, k is less than 32
Positive integer, a mobile node in unique identification mobile wireless network has uniqueness in mobile wireless network；Third
Partially, Part IV and Part V constitute the node ID of mobile node；The inside of data server in mobile wireless network
ID is constant 1；The inside ID of couple in router is 0；
Data address includes three parts, and first part is the global network prefix of i bit, and second part is k bit
Data ID, for identifying a type of data, Part III is the node ID of 128-i-k bit；If data address conduct
The destination address and node ID of one message are equal to 2128-i-k- 1, then broadcasting the message in mobile wireless network；
Couple in router and mobile node periodic broadcasting beacon message, Message Payload are the overall situation of place mobile wireless network
The geographical coordinate of network prefix and couple in router；Each interface of one couple in router can connect a mobile radio network
Network, the global network prefix of each mobile wireless network have uniqueness, and value is to preset, and value range is [1,2i-
2]；Couple in router safeguards the space internal ID, in the range of [2,2128-i-2j-k-2]；If couple in router connection is N number of
Mobile wireless network, then the internal space ID is divided into N section by it, a mobile wireless network is distributed in each part, and n-th
The inside space ID of a mobile wireless network is [L (n), U (n)], 1≤n≤N, as shown in formula (1) and (2)；.
In the method for the invention, after mobile node N starting, by listening to neighbor access router or neighbours' movable joint
The beacon message of point passes through come the global network prefix of mobile wireless network where obtaining and the geographical coordinate of couple in router
Following processes obtain home address:
Step 101: starting；
Step 102: the ground of mobile node N0 building one temporary address and place mobile wireless network couple in router AR1
Location, the global network prefix of temporary address are the global network prefix of place mobile wireless network, and node ID is random number, access
The global network prefix of the address of router AR1 is the global network prefix of place mobile wireless network, and reserved field 0 is geographical
Abscissa and ordinate are respectively the geographical abscissa and ordinate of couple in router AR1, and internal ID is 0；Mobile node N0 hair
Internal ID request message is sent, source address is the temporary address of building, and destination address is the address of couple in router；
Step 103: couple in router AR1 receives internal ID request message, according to purpose and source in internal ID request message
The global mobile wireless network prefix of address, couple in router AR1 distribution one internal ID from the corresponding space internal ID, together
When to mobile node N0 return to an internal ID response message, which be the inside ID and place mobile wireless distributed
Network has the right to create and the data ID of the data of offer gathers；
Step 104: after mobile node N0 receives internal ID response message, save where mobile wireless network have the right creation and
The data ID of offer gathers, while by the geographical coordinate of the inside ID distributed in internal ID response message and couple in router AR1
It combines and is built into the node ID with global uniqueness, node ID is combined into structure with the geographical coordinate of couple in router AR1
The address with global uniqueness is built up, wherein reserved field is 0；
Step 105: terminating；
Mobile node is had global uniqueness, is remained unchanged in whole life cycle by node ID unique identification；
After mobile node obtains home address in mobile wireless network, which is known as the family of mobile node
Township's network, home network where mobile node obtains are had the right after the data ID set for creating and providing, it also has permission wound simultaneously
Build and provide any of the data ID set data that data ID is identified；Mobile node is in home network, Care-of Address
Equal to its home address.
By the above process, the available node ID with global uniqueness of mobile node, and communicated, due to this
Node ID remains unchanged in whole life cycle, therefore considerably reduces address configuration cost and delay.
In the method for the invention, a mobile wireless network is by global network prefix G unique identification, the mobile radio network
Network, which has, creates and provides the data ID S data C identified, and in the mobile wireless network, data server V is used to save
Data C, data C have certain life cycle, and when life cycle is 0, data server V deletes data C；
Data server V divides data C for M data portion cm, 1≤m≤M, as shown in formula (3), data portion cmBy
Data portion ID dmMark, the data portion ID are built into data portion ID set D, as shown in formula (4), data service
Device V executes following processes to create data C:
Step 201: starting；
Step 202: data server V creates a data address, and the global network prefix of data address is G, data ID
For S, node ID is equal to 2128-i-k- 1, while initialization value is set by distance parameter h, and broadcast data creates message, message
Destination address be data address, source address be data server V global address, load as distance parameter h and data portion
ID set D, wherein every jump by one of the value of distance parameter h successively decreases 1, and distance parameter h is the range that broadcast data creates message,
Such as distance parameter initialization value h be 1 when, i.e., one jump range in broadcast data create message；
Step 203: after mobile node receives data creation message, being to judge oneself by the data ID in destination address
It is no to have permission creation data C, if so, carrying out step 204, otherwise carry out step 205；
Step 204: mobile node is gathered to create data portion according to data portion ID, and is returned to data server V
Data creation response message, Message Payload are the data portion of creation；
Step 205: mobile node judges whether distance parameter h is greater than 0, if so, carrying out step 206, is otherwise walked
Rapid 207；
Step 206: mobile node successively decreases distance parameter h 1 while the data creation message that receives of forwarding, executes step
203；
Step 207: data server V is carried out and is operated to data portion in the data creation response message received, such as
The result of fruit and operation is not equal to data C, then step 208 is executed, it is no to then follow the steps 209；
Step 208: the initialization value of distance parameter h is incremented by 1 by data server V, executes step 202；
Step 209: data server V saves data C, while the mobile node of response message is created to each returned data
A data creation confirmation message is sent, Message Payload is data C；
Step 210: after mobile node receives data creation confirmation message, saving data C；
Step 211: terminating.
By the above process, data server can create and save data, while can provide mobile nodes with data.
In the method for the invention, couple in router connects N number of mobile wireless network, for the mobile wireless of each connection
Network, couple in router save a data retrieval table, do not have permission to create and provide for saving the mobile wireless network
The data set provider information of data, that is to say, that other data set providers may reach this mobile radio network, so access
Router needs to record the information of these data set providers；Each list item includes three domains, the domain data ID, the domain supplier ID
And distance domain, wherein for specifying a type of data, the domain supplier ID is capable of providing this kind for saving in the domain data ID
The node ID of the supplier of categorical data, distance domain are used to save the hop count between couple in router and supplier；
If mobile node N1 enters a new mobile wireless network, the global network prefix of the mobile wireless network is
G3, couple in router AR3 are built into then mobile node N1 combines global network prefix G3 with the node ID of oneself
The Care-of Address of new mobile wireless network, wherein reserved field is 0；
If mobile node N1, which has permission, provides the data ID S1 data C1 defined, new mobile wireless network does not have permission
Creation and offer data C1, then mobile node N1 carries out following registrations operations:
Step 301: starting；
Step 302: the address of mobile wireless network couple in router AR3 where mobile node N1 building, wherein global net
Network prefix is the global network prefix G3 of place mobile wireless network, and reserved field 0, geographical abscissa and ordinate are respectively to connect
Entering the geographical abscissa and ordinate of router AR3, internal ID is 0, and sends data register message to couple in router AR3,
Message destination address is the address of couple in router AR3, and source address is the Care-of Address of mobile node N1 oneself, is loaded as data
ID S1 and distance parameter h1, distance parameter h1 initial value is 0, every to jump by one, and value is incremented by 1；
Step 303: after couple in router AR3 receives data register message, increase a list item in data directory,
In, the domain data ID is data ID S1, and the domain supplier ID is the node ID of mobile node N1, and distance domain is the value of parameter h1；
Step 304: terminating.
By aforesaid operations, mobile node can quick obtaining data to improving data service quality.
In the method for the invention, if the global network prefix of mobile wireless network where mobile node N1 is G1, connect
Entering router is AR1, and it is the data C1 that S1 is defined which, which has permission generation and provide data ID, then movable joint
Point N1 obtains data C1 according to following processes:
Step 401: starting；
Step 402: the node ID of the data server V of mobile wireless network where mobile node N1 building, wherein access
The geographical abscissa and geographical ordinate that router geography abscissa and ordinate domain are couple in router AR3, internal ID is 1；
Mobile node N1 constructs data address, wherein global network prefix is G1, and data ID is S1, and node ID is data server V's
Node ID, finally, mobile node N1 sends data request information, message destination address is the data address of building, and source address is
Mobile node N1 is in the Care-of Address of place mobile wireless network, and data request information is according under the arrival of the node ID of data address
One hop node；
Step 403: judging whether next-hop node is data server V, if so, carrying out step 407, otherwise execute step
Rapid 404；
Step 404: after next-hop mobile node receives the data request information, according to the section in the destination address of the message
Point ID judges whether oneself can provide data C1, if it can, carrying out step 405, otherwise carries out step 406；
Step 405: next-hop mobile node stops forwarding the data request information received, while returning to mobile node N1
One data response message, Message Payload are data C1, execute step 410；
Step 406: next-hop mobile node continues the data request information received to be forwarded to next-hop node, executes step
Rapid 403；
Step 407: data server V judges whether otherwise saving data C1 executes step if it is thening follow the steps 409
Rapid 408；
Step 408: data server V executes step 201 and creates data C1 to step 211；
Step 409: data server V returns to a data response message to mobile node N1, and Message Payload is data C1；
Step 410: if the intermediate mobile nodes of forwarding data response message are also required to data C1, saving data response
Data C1 in message；
Step 411: after mobile node N1 receives data response message, saving data C1；
Step 412: terminating.
By aforesaid operations, mobile node can quick obtaining data to improving data service quality, it is ensured that data obtain
Take success rate.
In the method for the invention, if the global network prefix of mobile wireless network where mobile node N1 is G1, connect
Entering router is AR1, which haves no right to generate and provide data ID to be the data C2 that S2 is defined, global network prefix
It has the right to generate and provide data C2 for the mobile wireless network of G2, the couple in router of the mobile wireless network is AR2, then moving
Dynamic node N1 obtains data C2 according to following processes:
Step 501: starting；
Step 502: the node ID of mobile node N1 building couple in router AR1, wherein couple in router geography abscissa
With geographical abscissa and geographical ordinate that ordinate domain is couple in router AR1, internal ID is 0；Mobile node N1 building one
A data address, wherein global network prefix is G2, and data ID is S2, and node ID is the node ID of couple in router AR1；It moves
Dynamic node N1 sends data request information, and message destination address is the data address of building, and source address is turning for mobile node N1
Address is handed over, data request information reaches next-hop node according to the global network prefix of data address；
Step 503: judging whether next-hop node is couple in router AR1, if so, carrying out step 507, otherwise execute
Step 504；
Step 504: after next-hop mobile node receives the data request information, according to the node in the message destination address
ID judges whether oneself can provide data C2, if it can, carrying out step 505, otherwise carries out step 506；
Step 505: next-hop mobile node stops forwarding the data request information received, while returning to mobile node N1
One data response message, Message Payload are data C2, execute step 518；
Step 506: next-hop mobile node continues the data request information received to be forwarded to next-hop node, executes step
Rapid 503；
Step 507: couple in router AR1 judges whether have data ID for the list item of S2 in data directory, if there is into
Row step 508, it is no to then follow the steps 509；
Step 508: the node ID in the destination address in data request information is updated in list item by couple in router AR1
Supplier ID, and send data request information；Finally, which achieves the goal address interior joint ID specified shifting
Dynamic node, the specified mobile node return to a data response message to mobile node N1, and Message Payload is data C2, execute
Step 518；
Step 509: data request information is sent internet by couple in router AR1, according to the mesh of data request information
Address in network prefix, the data request information reach next hop router；
Step 510: judging whether next hop router is couple in router AR2, if so, carrying out step 514, otherwise hold
Row step 511；
Step 511: after next hop router receives the data request information, judging whether there is data ID in data directory
It is no to then follow the steps 513 if there is carrying out step 512 for the list item of S2；
Step 512: next hop router stops forwarding the data request information received, while will be in data request information
Node ID in destination address is updated to the supplier ID in list item, and sends data request information；Finally, which disappears
The address interior joint ID specified mobile node that achieves the goal is ceased, which returns to a data to mobile node N1
Response message, Message Payload are data C2, execute step 518；
Step 513: next hop router continues the data request information received to be forwarded to next hop router, executes step
Rapid 510；
Step 514: couple in router AR2 is moved where being updated to the node ID in the destination address in data request information
The node ID of the data server V2 of dynamic wireless network, wherein the geographical abscissa and ordinate of node ID are equal to access routing
The geographical abscissa and ordinate of device AR2, internal ID is 1, and sends data request information；Finally, which reaches
To data server V2；
Step 515: judging whether data server V2 saves data C2, if it is thening follow the steps 517, otherwise execute step
Rapid 516；
Step 516: data server V2 executes step 201 and creates data C2 to step 211；
Step 517: data server V2 returns to a data response message to mobile node N1, and Message Payload is data
C2；
Step 518: if the intermediate mobile nodes of forwarding data response message are also required to data C2, saving data response
Data C2 in message；
Step 519: after mobile node N1 receives data response message, saving data C2；
Step 520: judge whether mobile node N1 has the right to create and provide data C2, if so, 521 are thened follow the steps,
It is no to then follow the steps 523；
Step 521: the address of mobile node N1 building couple in router AR1, wherein global network prefix is mobile for place
The global network prefix G1 of wireless network, reserved field 0, geographical abscissa and ordinate are respectively the ground of couple in router AR1
Abscissa and ordinate are managed, internal ID is 0；Mobile node N1 sends data register message, message purpose to couple in router AR1
Address is the address of couple in router AR1, and source address is the Care-of Address of oneself, and loading as data ID S2 and initial value is 0
Distance parameter h2, every to jump by one, distance parameter h2 value is incremented by 1；
Step 522: after couple in router AR1 receives data register message, increase a list item in data directory,
In, data ID is data ID S2, and supplier ID is the node ID of mobile node N1, and distance value is the value of distance parameter h2；
Step 523: terminating.
By aforesaid operations, mobile node can quick obtaining data to improving data service quality, it is ensured that data obtain
Take success rate.
The utility model has the advantages that mobile node is through the invention the present invention provides a kind of mobile wireless network data communications method
Provided mobile wireless network data communications method can obtain service number from apart from nearest mobile node with mode of unicast
According to, the delay and cost for obtaining service data are shortened, service quality is improved, present invention can apply to road conditions to monitor,
The fields such as vehicle management, are 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 mobile wireless network architectural schematic of the present invention.
Fig. 2 is global I Pv6 address structure schematic diagram of the present invention.
Fig. 3 is data address structural schematic diagram of the present invention.
Fig. 4 is acquisition home address flow diagram of the present invention.
Fig. 5 is creation data flow diagram of the present invention.
Fig. 6 is register flow path schematic diagram of the present invention.
Fig. 7 is data acquisition flow diagram in network of the present invention.
Fig. 8 is that inter-network data of the present invention obtains flow diagram.
Specific embodiment:
The present invention provides a kind of mobile wireless network data communications method, mobile node is provided through the invention to be moved
Dynamic radio network data communication method can obtain service data from apart from nearest mobile node with mode of unicast, shorten and obtain
The delay and cost for taking service data, improve service quality, and present invention can apply to the necks such as road conditions monitoring, vehicle management
Domain is with a wide range of applications.
Fig. 1 is mobile wireless network architectural schematic of the present invention.The mobile wireless network passes through one
Couple in router 1 is linked into internet 2, mobile wireless network 3 by the couple in router 1 global network prefix unique identification；
Each couple in router 1 has the geographical position coordinates of global uniqueness；A type of data are uniquely marked by a data ID
Know, mobile wireless network 3 of the global network prefix by authorization just has permission creation and provide the type data；Mobile radio network
Network 3 has the right to create and provide the data of two or more types, and the data ID of these data establishes data ID set；Wound will be had permission
A kind of mobile node 4 of categorical data is built and provided as data set provider；If the mobile wireless with global network prefix G
Network 3 has permission creation and provides a type of data C, then obtaining the shifting of home address in the mobile wireless network 3
Dynamic node 4 obtains creation automatically and provides the permission of data C, becomes the data set provider of data C；In global network prefix G
Mobile wireless network 3 in obtain home address all mobile nodes 4 can cooperative cooperating generate data C jointly；Any
In a mobile wireless network 3, there are a data server 5, which has the right to limit the production for saving the mobile wireless network 3
Data that are raw and providing.
Fig. 2 is global I Pv6 address structure schematic diagram of the present invention.Mobile node passes through the address global I Pv6 sum number
A type of data are obtained according to address；The address global I Pv6 of mobile node is made of five parts: first part is i ratio
Special global network prefix, is used for one mobile wireless network of unique identification, and value is equal to mobile wireless network and is inscribed into routing
The global network prefix of device；Second part is to retain region, and length is k bit；Part III and Part IV are mobile wireless
The geographical abscissa and ordinate of couple in router, respectively j bit in network, value have global uniqueness；Part V
For internal ID, length is 128-i-2j-k bit, i, j, and k is the positive integer less than 32, in unique identification mobile wireless network
One mobile node has uniqueness in mobile wireless network；Part III, Part IV and Part V constitute movable joint
The node ID of point；The inside ID of data server in mobile wireless network is constant 1；The inside ID of couple in router is 0.
Fig. 3 is data address structural schematic diagram of the present invention.Data address includes three parts, first part i
The global network prefix of bit, second part are the data ID of k bit, and for identifying a type of data, Part III is
The node ID of 128-i-k bit；If data address is equal to 2 as the destination address and node ID of a message128-i-k- 1, that
The message is broadcasted in mobile wireless network；
Couple in router and mobile node periodic broadcasting beacon message, Message Payload are the overall situation of place mobile wireless network
The geographical coordinate of network prefix and couple in router；Each interface of one couple in router can connect a mobile radio network
Network, the global network prefix of each mobile wireless network have uniqueness, and value is to preset, and value range is [1,2i-
2]；Couple in router safeguards the space internal ID, in the range of [2,2128-i-2j-k-2]；If couple in router connection is N number of
Mobile wireless network, then the internal space ID is divided into N section by it, a mobile wireless network is distributed in each part, and n-th
The inside space ID of a mobile wireless network is [L (n), U (n)], 1≤n≤N, as shown in formula (1) and (2)；.
Fig. 4 is acquisition home address flow diagram of the present invention.After mobile node N starting, by listening to neighbours
The beacon message of couple in router or neighboring mobile node is come the global network prefix of mobile wireless network where obtaining and connects
Enter the geographical coordinate of router, and obtain home address by following processes:
Step 101: starting；
Step 102: the ground of mobile node N0 building one temporary address and place mobile wireless network couple in router AR1
Location, the global network prefix of temporary address are the global network prefix of place mobile wireless network, and node ID is random number, access
The global network prefix of the address of router AR1 is the global network prefix of place mobile wireless network, and reserved field 0 is geographical
Abscissa and ordinate are respectively the geographical abscissa and ordinate of couple in router AR1, and internal ID is 0；Mobile node N0 hair
Internal ID request message is sent, source address is the temporary address of building, and destination address is the address of couple in router；
Step 103: couple in router AR1 receives internal ID request message, according to purpose and source in internal ID request message
The global mobile wireless network prefix of address, couple in router AR1 distribution one internal ID from the corresponding space internal ID, together
When to mobile node N0 return to an internal ID response message, which be the inside ID and place mobile wireless distributed
Network has the right to create and the data ID of the data of offer gathers；
Step 104: after mobile node N0 receives internal ID response message, save where mobile wireless network have the right creation and
The data ID of offer gathers, while by the geographical coordinate of the inside ID distributed in internal ID response message and couple in router AR1
It combines and is built into the node ID with global uniqueness, node ID is combined into structure with the geographical coordinate of couple in router AR1
The address with global uniqueness is built up, wherein reserved field is 0；
Step 105: terminating；
Mobile node is had global uniqueness, is remained unchanged in whole life cycle by node ID unique identification；
After mobile node obtains home address in mobile wireless network, which is known as the family of mobile node
Township's network, home network where mobile node obtains are had the right after the data ID set for creating and providing, it also has permission wound simultaneously
Build and provide any of the data ID set data that data ID is identified；Mobile node is in home network, Care-of Address
Equal to its home address.
Fig. 5 is creation data flow diagram of the present invention.One mobile wireless network by global network prefix G only
One mark, which, which has, creates and provides the data ID S data C identified, in the mobile wireless network,
Data server V is used to save data C, and data C has certain life cycle, when life cycle is 0, data server V
Delete data C；
Data server V divides data C for M data portion cm, 1≤m≤M, as shown in formula (3), data portion cmBy
Data portion ID dmMark, the data portion ID are built into data portion ID set D, as shown in formula (4), data service
Device V executes following processes to create data C:
Step 201: starting；
Step 202: data server V creates a data address, and the global network prefix of data address is G, data ID
For S, node ID is equal to 2128-i-k- 1, while initialization value is set by distance parameter h, and broadcast data creates message, message
Destination address be data address, source address be data server V global address, load as distance parameter h and data portion
ID set D, wherein every jump by one of the value of distance parameter h successively decreases 1, and distance parameter h is the range that broadcast data creates message；
Step 203: after mobile node receives data creation message, being to judge oneself by the data ID in destination address
It is no to have permission creation data C, if so, carrying out step 204, otherwise carry out step 205；
Step 204: mobile node is gathered to create data portion according to data portion ID, and is returned to data server V
Data creation response message, Message Payload are the data portion of creation；
Step 205: mobile node judges whether distance parameter h is greater than 0, if so, carrying out step 206, is otherwise walked
Rapid 207；
Step 206: mobile node successively decreases distance parameter h 1 while the data creation message that receives of forwarding, executes step
203；
Step 207: data server V is carried out and is operated to data portion in the data creation response message received, such as
The result of fruit and operation is not equal to data C, then step 208 is executed, it is no to then follow the steps 209；
Step 208: the initialization value of distance parameter h is incremented by 1 by data server V, executes step 202；
Step 209: data server V saves data C, while the mobile node of response message is created to each returned data
A data creation confirmation message is sent, Message Payload is data C；
Step 210: after mobile node receives data creation confirmation message, saving data C；
Step 211: terminating.
Fig. 6 is register flow path schematic diagram of the present invention.Couple in router connects N number of mobile wireless network, for every
The mobile wireless network of a connection, couple in router save a data retrieval table, do not have for saving the mobile wireless network
Permission generate and provide data data set provider information, each list item include three domains, the domain data ID, the domain supplier ID with
And distance domain, wherein for specifying a type of data, the domain supplier ID is capable of providing the type for saving in the domain data ID
The node ID of the supplier of type data, distance domain are used to save the hop count between couple in router and supplier；
If mobile node N1 enters a new mobile wireless network, the global network prefix of the mobile wireless network is
G3, couple in router AR3 are built into then mobile node N1 combines global network prefix G3 with the node ID of oneself
The Care-of Address of new mobile wireless network, wherein reserved field is 0；
If mobile node N1, which has permission, provides the data ID S1 data C1 defined, new mobile wireless network does not have permission
Creation and offer data C1, then mobile node N1 carries out following registrations operations:
Step 301: starting；
Step 302: the address of mobile wireless network couple in router AR3 where mobile node N1 building, wherein global net
Network prefix is the global network prefix G3 of place mobile wireless network, and reserved field 0, geographical abscissa and ordinate are respectively to connect
Entering the geographical abscissa and ordinate of router AR3, internal ID is 0, and sends data register message to couple in router AR3,
Message destination address is the address of couple in router AR3, and source address is the Care-of Address of mobile node N1 oneself, is loaded as data
ID S1 and distance parameter h1, distance parameter h1 initial value is 0, every to jump by one, and value is incremented by 1；
Step 303: after couple in router AR3 receives data register message, increase a list item in data directory,
In, the domain data ID is data ID S1, and the domain supplier ID is the node ID of mobile node N1, and distance domain is the value of parameter h1；
Step 304: terminating.
Fig. 7 is data acquisition flow diagram in network of the present invention.If mobile wireless where mobile node N1
The global network prefix of network is G1, couple in router AR1, which, which has permission generation and provide data ID, is
The data C1 that S1 is defined, then mobile node N1 obtains data C1 according to following processes:
Step 401: starting；
Step 402: the node ID of the data server V of mobile wireless network where mobile node N1 building, wherein access
The geographical abscissa and geographical ordinate that router geography abscissa and ordinate domain are couple in router AR3, internal ID is 1；
Mobile node N1 constructs data address, wherein global network prefix is G1, and data ID is S1, and node ID is data server V's
Node ID, finally, mobile node N1 sends data request information, message destination address is the data address of building, and source address is
Mobile node N1 is in the Care-of Address of place mobile wireless network, and data request information is according under the arrival of the node ID of data address
One hop node；
Step 403: judging whether next-hop node is data server V, if so, carrying out step 407, otherwise execute step
Rapid 404；
Step 404: after next-hop mobile node receives the data request information, according to the section in the destination address of the message
Point ID judges whether oneself can provide data C1, if it can, carrying out step 405, otherwise carries out step 406；
Step 405: next-hop mobile node stops forwarding the data request information received, while returning to mobile node N1
One data response message, Message Payload are data C1, execute step 410；
Step 406: next-hop mobile node continues the data request information received to be forwarded to next-hop node, executes step
Rapid 403；
Step 407: data server V judges whether otherwise saving data C1 executes step if it is thening follow the steps 409
Rapid 408；
Step 408: data server V executes step 201 and creates data C1 to step 211；
Step 409: data server V returns to a data response message to mobile node N1, and Message Payload is data C1；
Step 410: if the intermediate mobile nodes of forwarding data response message are also required to data C1, saving data response
Data C1 in message；
Step 411: after mobile node N1 receives data response message, saving data C1；
Step 412: terminating.
In step 410, if intermediate mobile nodes do not need data C1, step 411 is directly executed,
Fig. 8 is that inter-network data of the present invention obtains flow diagram.If mobile wireless where mobile node N1
The global network prefix of network is G1, and couple in router AR1, it is S2 which, which haves no right to generate and provide data ID,
The data C2 of definition, global network prefix are that the mobile wireless network of G2 has the right to generate and provide data C2, the mobile radio network
The couple in router of network is AR2, then mobile node N1 obtains data C2 according to following processes:
Step 501: starting；
Step 502: the node ID of mobile node N1 building couple in router AR1, wherein couple in router geography abscissa
With geographical abscissa and geographical ordinate that ordinate domain is couple in router AR1, internal ID is 0；Mobile node N1 building one
A data address, wherein global network prefix is G2, and data ID is S2, and node ID is the node ID of couple in router AR1；It moves
Dynamic node N1 sends data request information, and message destination address is the data address of building, and source address is turning for mobile node N1
Address is handed over, data request information reaches next-hop node according to the global network prefix of data address；
Step 503: judging whether next-hop node is couple in router AR1, if so, carrying out step 507, otherwise execute
Step 504；
Step 504: after next-hop mobile node receives the data request information, according to the node in the message destination address
ID judges whether oneself can provide data C2, if it can, carrying out step 505, otherwise carries out step 506；
Step 505: next-hop mobile node stops forwarding the data request information received, while returning to mobile node N1
One data response message, Message Payload are data C2, execute step 518；
Step 506: next-hop mobile node continues the data request information received to be forwarded to next-hop node, executes step
Rapid 503；
Step 507: couple in router AR1 judges whether have data ID for the list item of S2 in data directory, if there is into
Row step 508, it is no to then follow the steps 509；
Step 508: the node ID in the destination address in data request information is updated in list item by couple in router AR1
Supplier ID, and send data request information；Finally, which achieves the goal address interior joint ID specified shifting
Dynamic node, the specified mobile node return to a data response message to mobile node N1, and Message Payload is data C2, execute
Step 518；
Step 509: data request information is sent internet by couple in router AR1, according to the mesh of data request information
Address in network prefix, the data request information reach next hop router；
Step 510: judging whether next hop router is couple in router AR2, if so, carrying out step 514, otherwise hold
Row step 511；
Step 511: after next hop router receives the data request information, judging whether there is data ID in data directory
It is no to then follow the steps 513 if there is carrying out step 512 for the list item of S2；
Step 512: next hop router stops forwarding the data request information received, while will be in data request information
Node ID in destination address is updated to the supplier ID in list item, and sends data request information；Finally, which disappears
The address interior joint ID specified mobile node that achieves the goal is ceased, which returns to a data to mobile node N1
Response message, Message Payload are data C2, execute step 518；
Step 513: next hop router continues the data request information received to be forwarded to next hop router, executes step
Rapid 510；
Step 514: couple in router AR2 is moved where being updated to the node ID in the destination address in data request information
The node ID of the data server V2 of dynamic wireless network, wherein the geographical abscissa and ordinate of node ID are equal to access routing
The geographical abscissa and ordinate of device AR2, internal ID is 1, and sends data request information；Finally, which reaches
To data server V2；
Step 515: judging whether data server V2 saves data C2, if it is thening follow the steps 517, otherwise execute step
Rapid 516；
Step 516: data server V2 executes step 201 and creates data C2 to step 211；
Step 517: data server V2 returns to a data response message to mobile node N1, and Message Payload is data
C2；
Step 518: if the intermediate mobile nodes of forwarding data response message are also required to data C2, saving data response
Data C2 in message；
Step 519: after mobile node N1 receives data response message, saving data C2；
Step 520: judge whether mobile node N1 has the right to create and provide data C2, if so, 521 are thened follow the steps,
It is no to then follow the steps 523；
Step 521: the address of mobile node N1 building couple in router AR1, wherein global network prefix is mobile for place
The global network prefix G1 of wireless network, reserved field 0, geographical abscissa and ordinate are respectively the ground of couple in router AR1
Abscissa and ordinate are managed, internal ID is 0；Mobile node N1 sends data register message, message purpose to couple in router AR1
Address is the address of couple in router AR1, and source address is the Care-of Address of oneself, and loading as data ID S2 and initial value is 0
Distance parameter h2, every to jump by one, distance parameter h2 value is incremented by 1；
Step 522: after couple in router AR1 receives data register message, increase a list item in data directory,
In, data ID is data ID S2, and supplier ID is the node ID of mobile node N1, and distance value is the value of distance parameter h2；
Step 523: terminating.
In step 518, if intermediate mobile nodes do not need data C2, step 519 is directly executed.
Embodiment 1
Based on the simulation parameter of table 1, the present embodiment simulates the mobile wireless network data communications method in the present invention, property
Can be analyzed as follows: as the speed of mobile node increases, mobile node obtains the delay of data and cost decreases, due to this
The data server being provided with is invented, therefore data acquisition success rate is 100%；It is mobile when data set provider quantity increases
Node obtains the delay of data and cost decreases, due to the data server that is provided with of the present invention, data acquisition at
Power is 100%；The average retardation that vehicle node obtains service data is 60ms, average cost 4.
1 simulation parameter of table
The present invention provides a kind of thinkings of mobile wireless network data communications method, implement the side of the technical solution
There are many method and approach, the above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.The available prior art of each component part being not known in the present embodiment is realized.
Claims (6)
1. a kind of mobile wireless network data communications method, which is characterized in that the mobile wireless network passes through an access road
Internet is linked by device, mobile wireless network by the couple in router global network prefix unique identification；Each access road
There are the geographical position coordinates of global uniqueness by device；
A type of data are just had by a data ID unique identification, mobile wireless network of the global network prefix by authorization
Permission creation and offer the type data；Mobile wireless network has the right to create and provide the data of two or more types, these numbers
According to data ID establish data ID set；
Creation will be had permission and provide a kind of mobile node of categorical data as data set provider；Before if there is global network
The mobile wireless network for sewing G has permission creation and provides a type of data C, then obtaining house in the mobile wireless network
The mobile node of township address obtains creation automatically and provides the permission of data C, becomes the data set provider of data C；In the overall situation
In the mobile wireless network of network prefix G obtain home address all mobile nodes can cooperative cooperating generate data C jointly；
In any one mobile wireless network, there are a data server, which has the right for saving the mobile wireless network
Data limited production life and provided；
Mobile node obtains a type of data by the address global I Pv6 and data address；The global I Pv6 of mobile node
Address is made of five parts: first part is the global network prefix of i bit, is used for one mobile radio network of unique identification
Network, value are equal to the global network prefix of couple in router in mobile wireless network；Second part is to retain region, length k
Bit；Part III and Part IV are the geographical abscissa and ordinate of couple in router in mobile wireless network, respectively j
Bit, value have global uniqueness；Part V is internal ID, and length is 128-i-2j-k bit, and i, j, k is less than 32
Positive integer, a mobile node in unique identification mobile wireless network have uniqueness in mobile wireless network；Third portion
Divide, the node ID of Part IV and Part V composition mobile node；The inside ID of data server in mobile wireless network
For constant 1；The inside ID of couple in router is 0；
Data address includes three parts, and first part is the global network prefix of i bit, and second part is the data of k bit
ID, for identifying a type of data, Part III is the node ID of 128-i-k bit；If data address is as one
The destination address and node ID of message are equal to 2128-i-k- 1, then broadcasting the message in mobile wireless network；
Couple in router and mobile node periodic broadcasting beacon message, Message Payload are the global network of place mobile wireless network
The geographical coordinate of prefix and couple in router；Each interface of one couple in router can connect a mobile wireless network,
The global network prefix of each mobile wireless network has uniqueness, and value is to preset, and value range is [1,2i-2]；It connects
Enter router and safeguard the space internal ID, in the range of [2,2128-i-2j-k-2]；If the N number of mobile nothing of couple in router connection
Gauze network, then the internal space ID is divided into N section by it, a mobile wireless network, n-th of movement are distributed in each part
The inside space ID of wireless network is [L (n), U (n)], 1≤n≤N, as shown in formula (1) and (2)；.
2. a kind of mobile wireless network data communications method according to claim 1, which is characterized in that mobile node N0 is opened
After dynamic, mobile wireless network where being obtained by listening to the beacon message of neighbor access router or neighboring mobile node
The geographical coordinate of global network prefix and couple in router, and home address is obtained by following processes:
Step 101: starting；
Step 102: mobile node N0 constructs the address of a temporary address and place mobile wireless network couple in router AR1,
The global network prefix of temporary address is the global network prefix of place mobile wireless network, and node ID is random number, accesses road
Global network prefix by the address of device AR1 is the global network prefix of place mobile wireless network, and reserved field 0 is geographical horizontal
Coordinate and ordinate are respectively the geographical abscissa and ordinate of couple in router AR1, and internal ID is 0；Mobile node N0 is sent
Internal ID request message, source address are the temporary address of building, and destination address is the address of couple in router；
Step 103: couple in router AR1 receives internal ID request message, according to purpose and source address in internal ID request message
Global mobile wireless network prefix, couple in router AR1 distribution one internal ID from the corresponding internal space ID, at the same to
Mobile node N0 returns to an internal ID response message, which is the inside ID and place mobile wireless network of distribution
The data ID set for the data for creating and providing of having the right；
Step 104: after mobile node N0 receives internal ID response message, mobile wireless network where saving is had the right to create and be provided
Data ID set, while the geographical coordinate of the inside ID distributed in internal ID response message and couple in router AR1 mutually being tied
Conjunction is built into the node ID with global uniqueness, and node ID is combined with the geographical coordinate of couple in router AR1 and is built into
Address with global uniqueness, wherein reserved field is 0；
Step 105: terminating；
Mobile node is had global uniqueness, is remained unchanged in whole life cycle by node ID unique identification；
After mobile node obtains home address in mobile wireless network, which is known as the local net of mobile node
Network, mobile node obtain where home network have the right create and provide data ID set after, it also have permission simultaneously creation with
Any of the data ID set data that data ID is identified are provided；In home network, Care-of Address is equal to mobile node
Its home address.
3. a kind of mobile wireless network data communications method according to claim 2, which is characterized in that a mobile radio network
For network by global network prefix G unique identification, which, which has, creates and provides the data ID S data C identified,
In the mobile wireless network, data server V is used to save data C, and data C has certain life cycle, works as Life Cycle
When phase is 0, data server V deletes data C；
Data server V divides data C for M data portion cm, 1≤m≤M, as shown in formula (3), data portion cmBy data
Part ID dmMark, the data portion ID are built into data portion ID set D, and as shown in formula (4), data server V is held
Following processes go to create data C:
Step 201: starting；
Step 202: data server V creates a data address, and the global network prefix of data address is G, and data ID is S,
Node ID is equal to 2128-i-k- 1, while initialization value is set by distance parameter h, and broadcast data creates message, the mesh of message
Address be data address, source address be data server V global address, load as distance parameter h and data portion ID collection
Close D, wherein every jump by one of the value of distance parameter h successively decreases 1, and distance parameter h is the range that broadcast data creates message；
Step 203: after mobile node receives data creation message, judging whether oneself has by the data ID in destination address
Permission creates data C, if so, carrying out step 204, otherwise carries out step 205；
Step 204: mobile node is gathered to create data portion according to data portion ID, and to data server V returned data
Response message is created, Message Payload is the data portion of creation；
Step 205: mobile node judges whether distance parameter h is greater than 0, if so, carrying out step 206, otherwise carries out step
207；
Step 206: mobile node successively decreases distance parameter h 1 while the data creation message that receives of forwarding, executes step 203；
Step 207: data server V is carried out and is operated to data portion in the data creation response message received, if simultaneously
The result of operation is not equal to data C, then step 208 is executed, it is no to then follow the steps 209；
Step 208: the initialization value of distance parameter h is incremented by 1 by data server V, executes step 202；
Step 209: data server V saves data C, while sending to the mobile node of each returned data creation response message
One data creation confirmation message, Message Payload are data C；
Step 210: after mobile node receives data creation confirmation message, saving data C；
Step 211: terminating.
4. a kind of mobile wireless network data communications method according to claim 3, which is characterized in that couple in router connects
N number of mobile wireless network is connect, for the mobile wireless network of each connection, couple in router saves a data retrieval table, uses
In the data set provider information for saving the data that the mobile wireless network does not have permission to generate and provide, each list item includes three
Domain, the domain data ID, the domain supplier ID and distance domain, wherein the domain data ID is for specifying a type of data, supplier ID
Domain is used to save the node ID for the supplier for being capable of providing this type data, and distance domain is for saving couple in router and providing
Hop count between person；
If mobile node N1 enters a new mobile wireless network, the global network prefix of the mobile wireless network is G3,
Couple in router is AR3, is built into then mobile node N1 combines global network prefix G3 with the node ID of oneself new
The Care-of Address of mobile wireless network, wherein reserved field is 0；
If mobile node N1, which has permission, provides the data ID S1 data C1 defined, new mobile wireless network does not have permission creation
With offer data C1, operated then mobile node N1 carries out following registrations:
Step 301: starting；
Step 302: the address of mobile wireless network couple in router AR3 where mobile node N1 building, wherein before global network
Sew the global network prefix G3 for place mobile wireless network, reserved field 0, geographical abscissa and ordinate are respectively to access road
By the geographical abscissa and ordinate of device AR3, internal ID is 0, and sends data register message, message to couple in router AR3
Destination address is the address of couple in router AR3, and source address is the Care-of Address of mobile node N1 oneself, is loaded as data ID
S1 and distance parameter h1, distance parameter h1 initial value is 0, every to jump by one, and value is incremented by 1；
Step 303: after couple in router AR3 receives data register message, increasing a list item in data directory, wherein
The domain data ID is data ID S1, and the domain supplier ID is the node ID of mobile node N1, and distance domain is the value of parameter h1；
Step 304: terminating.
5. a kind of mobile wireless network data communications method according to claim 4, which is characterized in that if mobile node
The global network prefix of mobile wireless network where N1 is G1, couple in router AR1, which has permission generation
And providing data ID is the data C1 that S1 is defined, then mobile node N1 obtains data C1 according to following processes:
Step 401: starting；
Step 402: the node ID of the data server V of mobile wireless network where mobile node N1 building, wherein access routing
The geographical abscissa and geographical ordinate that device geography abscissa and ordinate domain are couple in router AR3, internal ID is 1；It is mobile
Node N1 constructs data address, wherein global network prefix is G1, and data ID is S1, and node ID is the node of data server V
ID, finally, mobile node N1 sends data request information, message destination address is the data address of building, and source address is movement
Node N1 is in the Care-of Address of place mobile wireless network, and data request information is according to the node ID of data address arrival next-hop
Node；
Step 403: judge whether next-hop node is data server V, if so, step 407 is carried out, it is no to then follow the steps
404；
Step 404: after next-hop mobile node receives the data request information, according to the node ID in the destination address of the message
Judge whether oneself can provide data C1, if it can, carrying out step 405, otherwise carries out step 406；
Step 405: next-hop mobile node stops forwarding the data request information received, while returning to one to mobile node N1
Data response message, Message Payload are data C1, execute step 410；
Step 406: next-hop mobile node continues the data request information received to be forwarded to next-hop node, executes step
403；
Step 407: data server V judges whether to save data C1, no to then follow the steps if it is thening follow the steps 409
408；
Step 408: data server V executes step 201 and creates data C1 to step 211；
Step 409: data server V returns to a data response message to mobile node N1, and Message Payload is data C1；
Step 410: if the intermediate mobile nodes of forwarding data response message are also required to data C1, saving data response message
In data C1；
Step 411: after mobile node N1 receives data response message, saving data C1；
Step 412: terminating.
6. a kind of mobile wireless network data communications method according to claim 5, which is characterized in that if mobile node
The global network prefix of mobile wireless network where N1 is G1, couple in router AR1, which haves no right to generate simultaneously
There is provided data ID is the data C2 that S2 is defined, and global network prefix is that the mobile wireless network of G2 has the right to generate and provides data
C2, the couple in router of the mobile wireless network is AR2, then mobile node N1 obtains data C2 according to following processes:
Step 501: starting；
Step 502: the node ID of mobile node N1 building couple in router AR1, wherein couple in router geography abscissa and vertical
The geographical abscissa and geographical ordinate that coordinate domain is couple in router AR1, internal ID is 0；Mobile node N1 constructs a number
According to address, wherein global network prefix is G2, and data ID is S2, and node ID is the node ID of couple in router AR1；Movable joint
Point N1 sends data request information, and message destination address is the data address of building, and source address delivers ground for mobile node N1's
Location, data request information reach next-hop node according to the global network prefix of data address；
Step 503: judge whether next-hop node is couple in router AR1, if so, step 507 is carried out, it is no to then follow the steps
504；
Step 504: after next-hop mobile node receives the data request information, being sentenced according to the node ID in the message destination address
Whether oneself can provide data C2, if it can, carrying out step 505, otherwise carry out step 506 if breaking；
Step 505: next-hop mobile node stops forwarding the data request information received, while returning to one to mobile node N1
Data response message, Message Payload are data C2, execute step 518；
Step 506: next-hop mobile node continues the data request information received to be forwarded to next-hop node, executes step
503；
Step 507: couple in router AR1 judges whether have data ID for the list item of S2 in data directory, if there is being walked
Rapid 508, it is no to then follow the steps 509；
Step 508: the node ID in the destination address in data request information is updated to mentioning in list item by couple in router AR1
Donor ID, and send data request information；Finally, which achieves the goal address interior joint ID specified movable joint
Point, the specified mobile node return to a data response message to mobile node N1, and Message Payload is data C2, execute step
518；
Step 509: data request information is sent internet by couple in router AR1, according to the destination of data request information
Network prefix in location, the data request information reach next hop router；
Step 510: judging whether next hop router is couple in router AR2, if so, carrying out step 514, otherwise execute step
Rapid 511；
Step 511: after next hop router receives the data request information, judging whether have data ID for S2 in data directory
List item, if there is carry out step 512, it is no to then follow the steps 513；
Step 512: next hop router stops forwarding the data request information received, while by the purpose in data request information
Node ID in address is updated to the supplier ID in list item, and sends data request information；Finally, which reaches
The mobile node specified to destination address interior joint ID, the specified mobile node return to a data response to mobile node N1
Message, Message Payload are data C2, execute step 518；
Step 513: next hop router continues the data request information received to be forwarded to next hop router, executes step
510；
Step 514: couple in router AR2 mobile nothing where being updated to the node ID in the destination address in data request information
The node ID of the data server V2 of gauze network, wherein the geographical abscissa and ordinate of node ID are equal to couple in router AR2
Geographical abscissa and ordinate, internal ID is 1, and sends data request information；Finally, which reaches data
Server V2；
Step 515: judge whether data server V2 saves data C2, it is no to then follow the steps if it is thening follow the steps 517
516；
Step 516: data server V2 executes step 201 and creates data C2 to step 211；
Step 517: data server V2 returns to a data response message to mobile node N1, and Message Payload is data C2；
Step 518: if the intermediate mobile nodes of forwarding data response message are also required to data C2, saving data response message
In data C2；
Step 519: after mobile node N1 receives data response message, saving data C2；
Step 520: judging whether mobile node N1 has the right to create and provide data C2, if so, thening follow the steps 521, otherwise
Execute step 523；
Step 521: the address of mobile node N1 building couple in router AR1, wherein global network prefix is place mobile wireless
The global network prefix G1 of network, reserved field 0, geographical abscissa and ordinate are respectively that the geography of couple in router AR1 is horizontal
Coordinate and ordinate, internal ID are 0；Mobile node N1 sends data register message, message destination address to couple in router AR1
For the address of couple in router AR1, source address is the Care-of Address of oneself, load for data ID S2 and initial value be 0 away from
Every to jump by one from parameter h2, distance parameter h2 value is incremented by 1；
Step 522: after couple in router AR1 receives data register message, increasing a list item in data directory, wherein
Data ID is data ID S2, and supplier ID is the node ID of mobile node N1, and distance value is the value of distance parameter h2；
Step 523: terminating.
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| CN106507429B (en) * | 2016-11-25 | 2019-11-15 | 常熟理工学院 | A kind of data communications method of car networking |
| CN106686019B (en) * | 2017-03-29 | 2019-05-21 | 常熟理工学院 | A kind of safe car networking data communication implementation method |
| CN106878991B (en) * | 2017-03-29 | 2019-08-30 | 常熟理工学院 | A kind of safe wireless network communication method |
| CN107820326B (en) * | 2017-12-06 | 2020-02-21 | 常熟理工学院 | Method for realizing low-delay new-generation wireless network |
| CN108462623B (en) * | 2018-03-21 | 2020-07-07 | 常熟理工学院 | High-efficiency data center network implementation method |
| CN117278592B (en) * | 2023-11-20 | 2024-02-02 | 常熟理工学院 | Implementation method of intelligent Internet of things system |
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