CN105721622A - Method and device for achieving 6LoWPAN and IPv4 network interconnection - Google Patents
Method and device for achieving 6LoWPAN and IPv4 network interconnection Download PDFInfo
- Publication number
- CN105721622A CN105721622A CN201610042295.8A CN201610042295A CN105721622A CN 105721622 A CN105721622 A CN 105721622A CN 201610042295 A CN201610042295 A CN 201610042295A CN 105721622 A CN105721622 A CN 105721622A
- Authority
- CN
- China
- Prior art keywords
- ipv4
- address
- 6lowpan
- message
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/251—Translation of Internet protocol [IP] addresses between different IP versions
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention relates to a method and device for achieving 6LoWPAN and IPv4 network interconnection, and belongs to the fields of IPv6 transition techniques and wireless sensor network techniques.The device comprises a DNS proxy server unit, a 6LoWPAN network DNS server, a conversion address managing unit, a protocol conversion unit, a 6LoWPAN accessing unit and an IPv4 network accessing unit.The method comprises the steps that an IPv4 host acquires an IPv4 conversion address of a network node through the proxy server unit and actively accesses the 6LoWPAN network node through the protocol conversion unit, and the 6LoWPAN network node uploads sensing information data to the IPv4 host through the protocol conversion unit.According to the method and device, the problems that in the prior art, the IPv4 host cannot actively access an IPv6 node through a stateful protocol conversion technique, and a state-free protocol conversion technique consumes a large amount of IPv4 address space can be solved.
Description
Technical field
The invention belongs to IPv6 transitional technology and wireless sensor network technology field, relate to a kind of method and apparatus realizing 6LoWPAN and the IPv4 network interconnection.
Background technology
WSN (WirelessSensorNetwork) has become as one of international hot research field that currently receive much concern in the world, that knowledge is highly integrated, its objective is the information of perceptive object in collaborative sensing, collection and process network's coverage area, and be sent to observer.For its purpose, WSN must access external network, makes observer can remotely monitor perceptive object by external network and just has more real meaning.Covering the network the widest, popularity is the highest as Present Global, the best becoming WSN is accessed object by Internet undoubtedly.But WSN node is by the restriction of own hardware performance and working environment thereof, and it is unpractical that WSN is directly accessed Internet.
Given this, Internet Engineering Task group (InternetEngineeringTaskForce, IETF) the Low rate wireless personal area network agreement (IPv6overLowPowerWirelessPersonalAreaNetwork based on IPv6 has been researched and developed for WSN, 6LoWPAN), its purpose is incorporated into IPv6 agreement in WSN exactly, it is achieved the seamless fusion of Internet (IPv6) and WSN.Therefore, 6LoWPAN accesses in (IPv4) Internet, it is achieved Internet of Things has just become research emphasis with the interconnection of the Internet.But, in current Internet the Internet, to compare with the scale of IPv4 network, IPv6 network is still considered " isolated island ", and therefore 6LoWPAN is accessed Internet (IPv4) and has more realistic meaning by the current generation.But, it is necessary first to solution is the access problem of Internet, to realize the seamless fusion of two kinds of networks.
In the numerous transitional technologies occurred, it is not designed exclusively for 6LoWPAN network insertion IPv4 network, simultaneously taking account of the diversity of 6LoWPAN network and IPv6 network, it is unpractical for this type of transitional technology being applied directly in 6LoWPAN access IPv4 network.Existing transitional technology is broadly divided into two classes: have status protocol switch technology and stateless protocol switch technology.The problem that there are following two aspects: (1) has status protocol switch technology except taking the lead in initiating the access to IPv6 node by cannot complete upper computer end except static configuration mapping table；(2) stateless protocol switch technology then can consume a large amount of originally with regard to limited IPv4 address.Therefore can solve the problems referred to above, become 6LoWPAN network can " seamless " access IPv4 network key.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of method and apparatus realizing 6LoWPAN and the IPv4 network interconnection, it is possible to realize the active to 6LoWPAN network node of the IPv4 main frame and access；Use port numbers to map simultaneously, save this with regard to limited IPv4 address space；Thus realizing 6LoWPAN network " seamless " to access IPv4 network.
For reaching above-mentioned purpose, the present invention provides following technical scheme:
A kind of device realizing 6LoWPAN and the IPv4 network interconnection, this device includes: this device is by IPv4 network insertion unit, 6LoWPAN access unit, dns-proxy server unit, 6LoWPAN network DNS server, conversion unit of protocol, conversion address administration unit；
Described IPv4 network insertion unit: for serving as the border router of IPv4 network, it is achieved the intercommunication of IPv4 main frame and conversion unit of protocol and proxy server unit；
Described 6LoWPAN access unit: for serving as the border router of 6LoWPAN network, it is achieved the intercommunication of 6LoWPAN node and conversion unit of protocol and 6LoWPAN network DNS server；
Described dns-proxy server unit: use DNS46 technology to realize A and record the mutual conversion of request/response message and AAAA record request/response message；
Described 6LoWPAN network DNS server: the facility information of storage 6LoWPAN network node is for the inquiry of proxy server unit；
Described conversion unit of protocol: realize the mutual conversion of IPv6 message and IPv4 message；
Described conversion address administration unit: storage IPv4 and IPv6 changes address, safeguards that an IPv4 changes the mapping table of address and IPv6 conversion address injection, provides IP address for proxy server unit, provide IP to change address for conversion unit of protocol；Including address pool, address mapping table module.
Present invention also offers a kind of method realizing 6LoWPAN and the IPv4 network interconnection, in the method, IPv4 main frame obtains the IPv4 address of 6LoWPAN network node by dns-proxy server unit, specifically include: IPv4 main frame sends A and records DNS query message, this A record queries message is converted to AAAA record queries message and mails to 6LoWPAN network DNS server by dns-proxy server unit, dns server sends the AAAA recording responses message carrying 6LoWPAN node IP address, AAAA recording responses message is converted to A recording responses message and mails to IPv4 main frame by dns-proxy server unit.
Further, in the method, realize the network message mutual conversion between IPv4 form and IPv6 form by conversion unit of protocol, specifically include: the IPv6 message that 6LoWPAN node is sent by conversion unit of protocol is converted to IPv4 message and mails to IPv4 network host；The IPv4 message that IPv4 main frame is sent by conversion unit of protocol is converted to IPv6 message bag and mails to 6LoWPAN network node.
Further, in the method, by dns-proxy server unit, AAAA recording responses message is converted to A recording responses message, specifically include: dns-proxy server unit extracts the IPv6 address in AAAA recording responses message, and sends request to conversion address administration unit: acquisition request IPv4 address is as the mapping address of this IPv6 address；If the address mapping table of conversion address administration unit exists the mapping item of this IPv6 address, the IPv4 then returning its mapping changes address, otherwise, from address pool, take out still untapped IPv4 address map with this IPv6 address, and return to this IPv4 address to dns-proxy server unit；Dns-proxy server unit utilizes the IPv4 address obtained that AAAA recording responses message is converted to A recording responses message, and its A recording responses message is mail to IPv4 main frame.
Further, in the method, the IPv6 message sent by 6LoWPAN node by conversion unit of protocol is converted to IPv4 message and mails to IPv4 network host, specifically include: conversion unit of protocol receives the IPv6 message that 6LoWPAN network sends, it is resolved, and obtain IPv4 conversion address to conversion address administration unit requests, if there is this mapping item to IPv6 address in the address mapping table of conversion address administration unit, then the IPv4 taking out its mapping changes address；Otherwise, from address, take out one group of still untapped IPv4 change address addition address mapping table and the mapping of described IPv6 address；Conversion unit of protocol is changed address according to the IPv4 obtained and is completed IPv6 message and mail to the destination host in IPv4 network to the conversion of IPv4 message and by this IPv4 message.
Further, in the method, the IPv4 message sent by IPv4 main frame by conversion unit of protocol is converted to IPv6 message and mails to 6LoWPAN node, specifically include: it is resolved after receiving the IPv4 message that IPv4 network host sends by conversion unit of protocol, and obtain IPv4 conversion address to conversion address administration unit requests, if there is this mapping item to IPv4 address in the address mapping table of conversion address administration unit, then the IPv6 taking out its mapping changes address；Otherwise, from address, take out one group of still untapped IPv6 change address addition address mapping table and the mapping of described IPv6 address；Conversion unit of protocol is changed address according to the IPv6 obtained and is completed IPv4 message and mail to 6loWPAN network node to the conversion of IPv6 message and by this IPv6 message.
Further, in the method, described conversion address is made up of IP address and port numbers.
The beneficial effects of the present invention is: the NAT64 technology transplant designed for the Internet is successfully accessed in IPv4 network by technical scheme provided by the invention to wireless sensor network；Provided by the invention a kind of based on the NAT64-DNS46 method realizing 6LoWPAN and the IPv4 network interconnection, achieve IPv4 main frame to take the lead in initiating the access to 6LoWPAN network node based on DNS, use port numbers to map simultaneously, save this with regard to limited IPv4 address space；Provided by the invention a kind of realize the device of 6LoWPAN and the IPv4 network interconnection by 6LoWPAN network boundary router based on NAT64-DNS46, IP packet transducer, IPv4 network boundary router, dns-proxy server is classified as one, improves the globality of system；Thus, 6LoWPAN network " seamless " is accessed IPv4 network.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and beneficial effect clearly, the present invention provides drawings described below to illustrate:
Fig. 1 is the system block diagram of device of the present invention；
Fig. 2 is the protocol converter designed for embodiments of the invention；
Fig. 3 is the sequential chart of the method for the invention.
Detailed description of the invention
1, a kind of method realizing 6LoWPAN and the IPv4 network interconnection of the present invention, including:
11) 6LoWPAN network DNS collects node device information, and IPv4 main frame changes address by the IPv4 of DNS query 6LoWPAN node, and initiates the access to this node, mainly comprises the steps that
(1) 6LoWPAN network DNS collects the facility information of all 6LoWPAN nodes, is deposited into data base, inquires about for DNS46 module；
(2) IPv4 main frame initiates the A record queries of certain 6LoWPAN node is asked, DNS46 module serves as proxy server, the A record queries message received is converted to AAAA record queries message, and mails to the dns server (herein referring to the dns server of 6LoWPAN network) of its configuration；
(3) dns server returns one with the AAAA authoritative DNS query response message recorded to DNS46 module；
(4) DNS46 module resolves this response message, extracts the IPv6 address in query response message, and sends the list item inquiry of this IPv6 address to address pool and address mapping table unit；
(5) if address mapping table exists the map record item of this IPv6 address, then corresponding IPv4 is changed address and mail to DNS46 module；Otherwise, from address pool, take out a still untapped IPv4 change address, map with it, and DNS46 module is mail in this IPv4 conversion address；
(6) DNS46 module is according to this IPv4 address, AAAA recording responses message is converted to A record queries message, and A record queries message mails to IPv4 network insertion unit, and IPv4 network insertion unit transfers it to purpose IPv4 main frame；
(7) active to 6LoWPAN network node can be initiated behind the IPv4 address of IPv4 main frame acquisition 6LoWPAN network node to access.
12) 6LoWPAN network node uploads IPv6 heat transfer agent message, mainly comprises the steps that
(1) 6LoWPAN access unit transfers it to conversion unit of protocol after receiving the heat transfer agent packet that node is uploaded；
(2) conversion unit of protocol extracts the source and destination IPv6 address of this packet, and sends the list item to this group IPv6 address to address pool and address mapping table unit and inquire about；
(3) if address mapping table exists the map record item of this IPv6 address, then corresponding IPv4 is changed address and mail to conversion unit of protocol；Otherwise, from address pool, take out one group of still untapped IPv4 change address, map with it, and conversion unit of protocol is mail in this IPv4 conversion address；
(4) this packet is carried out protocol conversion, network address translation by conversion unit of protocol, completes this packet by the conversion to IPv4 form of the IPv6 form；
(5) the IPv4 packet that conversion generates is mail to IPv4 network insertion unit by conversion unit of protocol, and IPv4 network transfers it to purpose IPv4 main frame.
In the above-mentioned methods, first, 6LoWPAN network node is uploaded packet and IPv4 main frame and is initiated the logical relation that the initiative to 6LoWPAN network node accesses between the two and be: when a certain 6LoWPAN node successfully uploads packet to IPv4 main frame, the IPv4 so certainly existing this node in address mapping table changes address, if now the access to this node in 6LoWPAN network initiated by IPv4 main frame, then can directly access and change address without the IPv4 through this node of DNS request；Secondly, IPv4, the IPv6 used in this method changes address and refers both to the combination of " IP address+port numbers ", uses port numbers to map and has saved this with regard to limited IPv4 address space.
2, a kind of device realizing 6LoWPAN and the IPv4 network interconnection, including:
6LoWPAN network insertion unit: serve as the border router of 6LoWPAN network, the IPv6 sensing data bag from 6LoWPAN network is sent to conversion unit of protocol, receiving, from conversion unit of protocol, the IPv6 packet that conversion generates, simultaneously the facility information of forward node is to 6LoWPAN network DNS server unit；
Conversion unit of protocol: realize the mutual conversion of IPv6 packet and IPv4 packet, send, to 6LoWPAN network insertion unit, the IPv6 packet that conversion generates, send, to IPv4 network insertion unit, the IPv4 packet that conversion generates；
IPv4 network insertion unit: serve as the border router of IPv4 network, the IPv4 packet from IPv4 main frame is sent to conversion unit of protocol, receive, from conversion unit of protocol, the IPv4 packet that conversion generates, forward the DNS query that IPv4 main frame sends to ask proxy server unit；
Address pool and address mapping table unit: provide IPv4, IPv6 to change address for conversion unit of protocol；IPv4 is provided to change address for dns-proxy server unit；
Dns-proxy server unit: serve as the dns-proxy server of IPv4 network and 6LoWPAN network boundary place, it is achieved A records request/response packet and records mutually changing of request/response packet with AAAA；
6LoWPAN network DNS server unit: the facility information that storage 6LoWPAN node is uploaded, function dns-proxy server unit is inquired about.
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
According to the message interaction sequential chart that Fig. 1 system block diagram provided and Fig. 3 provide, devising a kind of protocol converter in an embodiment of the present invention, referring to Fig. 2, it is provided that a kind of device realizing 6LoWPAN and the IPv4 network interconnection, this device includes:
6LoWPAN network boundary router: complete the structure of 6LoWPAN network, to the heat transfer agent packet that conversion unit of protocol forwarding 6LoWPAN network node is uploaded, to 6LoWPAN target node from the IPv6 packet generated through conversion unit of protocol conversion of IPv4 main frame；
NAT64 module: carry out IPv6 data-bag interacting with 6LoWPAN network insertion unit, carries out IPv4 data-bag interacting with IPv4 network insertion unit, performs the mutual conversion of IPv6 packet and IPv4 packet；
DNS46 module: serve as dns-proxy server, provides the IPv4 of 6LoWPAN network node to change address for the IPv4 main frame in IPv4 network；
Dns server: as the equipment information management server of 6LoWPAN network, the facility information of all nodes in storage 6LoWPAN network；
Address pool: public network IP v4 address and global unicast IPv6 prefix that storage is available are extracted for binding information storehouse；
Binding information storehouse: record IPv4 address and the IPv6 record mapped one by one；IPv4 and IPv6 is provided to change address for NAT64 module level DNS46 module；
Session information table: preserve the message conversated based on the IPv4 main frame connected and 6LoWPAN node；It is easy to NAT64 and quickly searches IPv4 and IPv6 conversion address；
IPv4 network boundary router: to NAT64 module forwards from the IPv4 packet of IPv4 network, to dns-proxy server unit forwards from the A of IPv4 network record request, send from 6LoWPAN network to IPv4 main frame and change the IPv4 packet generated and the A recording responses generated through DNS46 conversion through NAT64.
Protocol converter designed in the present embodiment provides a kind of method realizing 6LoWPAN and the IPv4 network interconnection, and Fig. 3 gives the concrete grammar realizing 6LoWPAN network with IPv4 network interworking, and the method includes:
1, protocol converter performs the step shown in Fig. 2: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. (the message interaction both sides of each step all intuitively show at Fig. 3), realizing the active to 6LoWPAN network node of the IPv4 main frame to access, key step describes in detail as follows:
(1) the IPv4 main frame in forwarding unit information inquiring request (A): IPv4 network initiates the A record queries of certain 6LoWPAN node is asked, and IPv4 border router transfers it to DNS46 module after receiving this request；
(2) proxy information inquiry (AAAA): the DNS46 module in protocol converter serves as proxy server, the A record queries message received is converted to AAAA record queries message, and mails to the dns server (here for the DNSServer of 6LoWPAN network) of its configuration；
(3) inquiry response (AAAA): 6LoWPAN network DNS Server returns request results, possible request results is as follows: a. does not find request record, 6LoWPAN network DNS Server returns an authoritative DNS query response message, it is indicated that NameNotFound (information does not find) mistake.DNS46 module can use this message to send a DNS query corresponding message, communication failure to IPv4 main frame；B. AAAA record is found: 6LoWPAN network DNS Server returns an authoritative DNS query response message with AAAA record, and this message is corresponding with a certain node in 6LoWPAN network, now forwards step 4 to；
(4) request IPv4 changes address: after DNS46 module receives this response message, extracts the IPv6 address in query response message, and sends the list item inquiry of this IPv6 address to address binding information storehouse；
(5) distribution IPv4 changes address: if there is the map record item of this IPv6 address, then corresponding IPv4 is changed address and mail to DNS46 module；Otherwise, from address pool, take out a still untapped IPv4 change address, map with it, and DNS46 module is mail in this IPv4 conversion address；
(6) inquiry response is set up: AAAA recording responses message, according to this IPv4 address, is converted to A recording responses message, and mails to IPv4 main frame by DNS46, and IPv4 network boundary router forwards it to corresponding IPv4 main frame after receiving this message；
(7) IPv4 packet is forwarded: pass through above step, IPv4 main frame successfully obtains the IPv4 address of certain 6LoWPAN network node, now IPv4 main frame sends IPv4 packet to 6LoWPAN network node, and IPv4 border router receives this packet and transfers it to NAT64 module；
(8) conversion Address requests: after NAT64 module receives the IPv4 packet that IPv4 main frame sends, resolves and changes packet, and changes address to address administration unit requests IPv6；
(9) conversion address response: after address administration unit receives the request that IPv6 changes address from NAT64 module, distribution IPv6 changes address and also responds；
(10) protocol conversion: after NAT64 module obtains the conversion address of this IPv6 packet, completes packet by the conversion to IPv6 form of the IPv4 form, and through 6LoWPAN network insertion unit, the IPv6 packet after conversion is sent to destination node.
2, protocol converter performs the step shown in Fig. 2:,, (the message interaction both sides of each step all intuitively show at Fig. 3), completing the acquisition of 6LoWPAN sensing data bag, the conversion to IPv4 packet and the transmission to IPv4 main frame, key step describes in detail as follows:
(1) 6LoWPAN border router receives after the heat transfer agent packet of wireless sensor network, transfers it to conversion unit of protocol；
(2) conversion Address requests: after NAT64 module receives the IPv6 packet that 6LoWPAN border router forwards, resolves this packet, and changes address to address administration unit requests IPv4；
(3) conversion address response: after address administration unit receives the request that IPv4 changes address from NAT64 module, distribution IPv4 changes address and also responds；
(4) protocol conversion: after NAT64 module obtains the conversion address of this IPv6 packet, completes packet by the conversion to IPv4 form of the IPv6 form, and through IPv4 network boundary router, the IPv4 packet that conversion generates is sent to purpose IPv4 main frame；
In embodiment, the NAT64 technology transplant in the Internet to wireless sensor network is successfully accessed in IPv4 network by the protocol converter of design, by the proxy server unit designed, the IPv4 main frame being successfully realized in IPv4 network takes the lead in initiating the active of 6LoWPAN node is accessed；The mutual conversion of IPv6 packet and IPv4 packet is realized by conversion unit of protocol；Embodiment is by 6LoWPAN network boundary router, IP packet transducer, IPv4 network boundary router simultaneously, and dns-proxy server is integrated in one, and improves the globality of system；Thus, 6LoWPAN network " seamless " is accessed IPv4 network.
What finally illustrate is, preferred embodiment above is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from claims of the present invention limited range.
Claims (7)
1. the device realizing 6LoWPAN and the IPv4 network interconnection, it is characterised in that: this device includes: this device is by IPv4 network insertion unit, 6LoWPAN access unit, dns-proxy server unit, 6LoWPAN network DNS server, conversion unit of protocol, conversion address administration unit；
Described IPv4 network insertion unit: for serving as the border router of IPv4 network, it is achieved the intercommunication of IPv4 main frame and conversion unit of protocol and proxy server unit；
Described 6LoWPAN access unit: for serving as the border router of 6LoWPAN network, it is achieved the intercommunication of 6LoWPAN node and conversion unit of protocol and 6LoWPAN network DNS server；
Described dns-proxy server unit: use DNS46 technology to realize A and record the mutual conversion of request/response message and AAAA record request/response message；
Described 6LoWPAN network DNS server: the facility information of storage 6LoWPAN network node is for the inquiry of proxy server unit；
Described conversion unit of protocol: realize the mutual conversion of IPv6 message and IPv4 message；
Described conversion address administration unit: storage IPv4 and IPv6 changes address, safeguards that an IPv4 changes the mapping table of address and IPv6 conversion address injection, provides IP address for proxy server unit, provide IP to change address for conversion unit of protocol；Including address pool, address mapping table module.
2. the method realizing 6LoWPAN and the IPv4 network interconnection, it is characterized in that: in the method, IPv4 main frame obtains the IPv4 address of 6LoWPAN network node by dns-proxy server unit, specifically include: IPv4 main frame sends A and records DNS query message, this A record queries message is converted to AAAA record queries message and mails to 6LoWPAN network DNS server by dns-proxy server unit, dns server sends the AAAA recording responses message carrying 6LoWPAN node IP address, AAAA recording responses message is converted to A recording responses message and mails to IPv4 main frame by dns-proxy server unit.
3. a kind of method realizing 6LoWPAN and the IPv4 network interconnection according to claim 2, it is characterized in that: in the method, realize the network message mutual conversion between IPv4 form and IPv6 form by conversion unit of protocol, specifically include: the IPv6 message that 6LoWPAN node is sent by conversion unit of protocol is converted to IPv4 message and mails to IPv4 network host；The IPv4 message that IPv4 main frame is sent by conversion unit of protocol is converted to IPv6 message bag and mails to 6LoWPAN network node.
4. a kind of method realizing 6LoWPAN and the IPv4 network interconnection according to claim 3, it is characterized in that: in the method, by dns-proxy server unit, AAAA recording responses message is converted to A recording responses message, specifically include: dns-proxy server unit extracts the IPv6 address in AAAA recording responses message, and sends request to conversion address administration unit: acquisition request IPv4 address is as the mapping address of this IPv6 address；If the address mapping table of conversion address administration unit exists the mapping item of this IPv6 address, the IPv4 then returning its mapping changes address, otherwise, from address pool, take out still untapped IPv4 address map with this IPv6 address, and return to this IPv4 address to dns-proxy server unit；Dns-proxy server unit utilizes the IPv4 address obtained that AAAA recording responses message is converted to A recording responses message, and its A recording responses message is mail to IPv4 main frame.
5. a kind of method realizing 6LoWPAN and the IPv4 network interconnection according to claim 4, it is characterized in that: in the method, the IPv6 message sent by 6LoWPAN node by conversion unit of protocol is converted to IPv4 message and mails to IPv4 network host, specifically include: conversion unit of protocol receives the IPv6 message that 6LoWPAN network sends, it is resolved, and obtain IPv4 conversion address to conversion address administration unit requests, if there is this mapping item to IPv6 address in the address mapping table of conversion address administration unit, the IPv4 then taking out its mapping changes address；Otherwise, from address, take out one group of still untapped IPv4 change address addition address mapping table and the mapping of described IPv6 address；Conversion unit of protocol is changed address according to the IPv4 obtained and is completed IPv6 message and mail to the destination host in IPv4 network to the conversion of IPv4 message and by this IPv4 message.
6. a kind of method realizing 6LoWPAN and the IPv4 network interconnection according to claim 5, it is characterized in that: in the method, the IPv4 message sent by IPv4 main frame by conversion unit of protocol is converted to IPv6 message and mails to 6LoWPAN node, specifically include: it is resolved after receiving the IPv4 message that IPv4 network host sends by conversion unit of protocol, and obtain IPv4 conversion address to conversion address administration unit requests, if there is this mapping item to IPv4 address in the address mapping table of conversion address administration unit, the IPv6 then taking out its mapping changes address；Otherwise, from address, take out one group of still untapped IPv6 change address addition address mapping table and the mapping of described IPv6 address；Conversion unit of protocol is changed address according to the IPv6 obtained and is completed IPv4 message and mail to 6loWPAN network node to the conversion of IPv6 message and by this IPv6 message.
7. a kind of method realizing 6LoWPAN and the IPv4 network interconnection according to claim 6, it is characterised in that: in the method, described conversion address is made up of IP address and port numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610042295.8A CN105721622A (en) | 2016-01-21 | 2016-01-21 | Method and device for achieving 6LoWPAN and IPv4 network interconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610042295.8A CN105721622A (en) | 2016-01-21 | 2016-01-21 | Method and device for achieving 6LoWPAN and IPv4 network interconnection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105721622A true CN105721622A (en) | 2016-06-29 |
Family
ID=56154973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610042295.8A Pending CN105721622A (en) | 2016-01-21 | 2016-01-21 | Method and device for achieving 6LoWPAN and IPv4 network interconnection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105721622A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197480A (en) * | 2017-05-11 | 2017-09-22 | 重庆邮电大学 | A kind of tree-shaped method for routing of low-consumption wireless Personal Area Network network based on IPv6 |
| CN107249008A (en) * | 2017-07-28 | 2017-10-13 | 郑州云海信息技术有限公司 | Passage interconnect device and method that a kind of remote data is directly accessed |
| CN110225150A (en) * | 2019-06-27 | 2019-09-10 | 中星科源(北京)信息技术有限公司 | Communication means, system and storage medium between different network protocol |
| CN111314499A (en) * | 2020-02-17 | 2020-06-19 | 深信服科技股份有限公司 | Domain name proxy method, device, equipment and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148773A (en) * | 2010-02-08 | 2011-08-10 | 中国联合网络通信集团有限公司 | Method and system for converting IPv6 (Internet Protocol Version 6) protocol and IPv4 (Internet Protocol Version 4) protocol |
| CN102857968A (en) * | 2012-09-11 | 2013-01-02 | 南京邮电大学 | Method for communicating terminal of internet of things with host of internet on basis of IPv6 (internet protocol version 6) |
| CN103856408A (en) * | 2014-02-17 | 2014-06-11 | 中国科学院计算机网络信息中心 | IPv6 and IPv4 intercommunication method based on DNS |
| CN104348929A (en) * | 2014-09-26 | 2015-02-11 | 重庆邮电大学 | Edge router for 6LoWPAN IPv4 Internet access and access method |
-
2016
- 2016-01-21 CN CN201610042295.8A patent/CN105721622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148773A (en) * | 2010-02-08 | 2011-08-10 | 中国联合网络通信集团有限公司 | Method and system for converting IPv6 (Internet Protocol Version 6) protocol and IPv4 (Internet Protocol Version 4) protocol |
| CN102857968A (en) * | 2012-09-11 | 2013-01-02 | 南京邮电大学 | Method for communicating terminal of internet of things with host of internet on basis of IPv6 (internet protocol version 6) |
| CN103856408A (en) * | 2014-02-17 | 2014-06-11 | 中国科学院计算机网络信息中心 | IPv6 and IPv4 intercommunication method based on DNS |
| CN104348929A (en) * | 2014-09-26 | 2015-02-11 | 重庆邮电大学 | Edge router for 6LoWPAN IPv4 Internet access and access method |
Non-Patent Citations (1)
| Title |
|---|
| 王巍: "《IPv4/IPv6过渡阶段应用代理系统研究与实现》", 《中国优秀硕士学位论文全文数据库-信息科技辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197480A (en) * | 2017-05-11 | 2017-09-22 | 重庆邮电大学 | A kind of tree-shaped method for routing of low-consumption wireless Personal Area Network network based on IPv6 |
| CN107249008A (en) * | 2017-07-28 | 2017-10-13 | 郑州云海信息技术有限公司 | Passage interconnect device and method that a kind of remote data is directly accessed |
| CN107249008B (en) * | 2017-07-28 | 2020-09-22 | 苏州浪潮智能科技有限公司 | Channel interconnection device and method for remote data direct access |
| CN110225150A (en) * | 2019-06-27 | 2019-09-10 | 中星科源(北京)信息技术有限公司 | Communication means, system and storage medium between different network protocol |
| CN110225150B (en) * | 2019-06-27 | 2020-09-15 | 中星科源(北京)信息技术有限公司 | Method, system and storage medium for communication between different network protocols |
| CN111314499A (en) * | 2020-02-17 | 2020-06-19 | 深信服科技股份有限公司 | Domain name proxy method, device, equipment and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102457583B (en) | Realization method of mobility of virtual machine and system thereof | |
| EP2465244B1 (en) | A method and host node for multiple NAT64 environments | |
| CN101465889B (en) | Network address translation equipment and request method of response address analysis protocol | |
| US8837511B2 (en) | Seamless mobility schemes in names-data networking using multi-path routing and content caching | |
| US9300622B2 (en) | Method for obtaining DNS and tunnel gateway device | |
| CN102457586B (en) | Expanding method for realizing double-layer network and expanded double-layer network | |
| CN102739809B (en) | DNS64 database, server, system and IPv4/IPv6 communication method | |
| EP2705694A2 (en) | Seamless mobility schemes in named-data networking using multi-path routing and content caching | |
| CN103618801B (en) | Method, equipment and the system of a kind of P2P resource-sharing | |
| CN105721622A (en) | Method and device for achieving 6LoWPAN and IPv4 network interconnection | |
| CN103118145B (en) | Based on the IPv4-over-IPv6 Multiple tunnel auto-creating method of DNS | |
| GB2415325A (en) | Spontaneous discovery of remote service profiles | |
| WO2011131088A1 (en) | Data message processing method, ingress tunnel router and system | |
| JP2013526107A (en) | Data message processing method, system, and access service node | |
| CN110225144A (en) | Obtain and provide method, user equipment and the management server of service | |
| CN103312749A (en) | Discovery method, equipment and system for application layer flow optimization (ALTO) server | |
| CN102970387A (en) | Domain name resolution method, device and system | |
| CN105681249B (en) | A kind of Network Access Method and link switch equipment | |
| CN103581258A (en) | Network data caching method and system | |
| CN104253878A (en) | VLAN (Virtual Local Area Network) information management system and method of DHCP (Dynamic Host Configuration Protocol) RELAY termination sub-interface | |
| CN104717640B (en) | A kind of implementation method of the wireless communication based on positioning | |
| CN104320373A (en) | Protocol interworking device between application server and terminal and method for implementing the same | |
| CN102546847B (en) | Information processing method, name server and couple in router | |
| CN105306607A (en) | Domain name inquiry method and system | |
| JP7042352B2 (en) | How to manage mobile signaling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
|
| RJ01 | Rejection of invention patent application after publication |