CN113179337A - Heterogeneous network fusion method based on NAT service - Google Patents
Heterogeneous network fusion method based on NAT service Download PDFInfo
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- CN113179337A CN113179337A CN202110456169.8A CN202110456169A CN113179337A CN 113179337 A CN113179337 A CN 113179337A CN 202110456169 A CN202110456169 A CN 202110456169A CN 113179337 A CN113179337 A CN 113179337A
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- 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
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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Abstract
The invention relates to the field of communication of the Internet of things, in particular to a heterogeneous network fusion method based on NAT service, which solves the problems of low data interaction and control flexibility among different types of equipment networking in the prior art. The invention includes the equipment ad hoc network layer with wireless local area network, also include the routing layer used for address translation; a network layer for address translation and real-time monitoring; a communication module; the wireless local area network of the equipment ad hoc network layer comprises a sink node connected with equipment nodes; the sink node is connected with the routing layer through a communication module; the routing layer is connected with the network layer through a communication module. According to the invention, by arranging the routing layers, the respective networking layers carry out unified address conversion and forwarding through the routing layers, and data interaction among different types of ad hoc networks is convenient and fast; the devices are mutually addressable; the data interaction, access and download of the whole network are realized by arranging the network layer, and the availability and measurement and control flexibility of the system are greatly improved.
Description
Technical Field
The invention relates to the field of communication of the Internet of things, in particular to a heterogeneous network fusion method based on NAT service.
Background
The internet of things is widely applied and extends to multiple application fields such as intelligent transportation, environmental protection, government work, water system monitoring, public safety, intelligent home, intelligent fire fighting, industrial monitoring, old people nursing, personal health, food source tracing, enemy investigation and information collection.
However, in some specific application fields, the convergence of a data communication network and an information network has a problem. At present, a common mode in the communication application of the internet of things is to adopt a single communication protocol, communicate among devices in the same wireless local area network, and then communicate with the internet through mobile networking devices of a sink node. Such a solution requires that all device nodes must employ a common communication protocol. As is known, different wireless communication protocols have great advantages in terms of data transmission rate, maximum communication distance, minimum power consumption, and the like, so that there is no way to adopt an optimal communication protocol for different application requirements of the same scene.
In order to solve the problems, some existing IPV6 and 6LOWPAN boundary router designs are started, but they mainly focus on a small part of protocols and do not fully cover the mainstream wireless communication protocols, so that there is a great limitation on selecting a suitable communication protocol in some application scenarios. For example, in the field of water conservancy informatization, the problems of isolated measurement and control network, difficult cross-module networking of ad hoc networks, single equipment access mode, difficult flexible and accurate control and management of upper layers and the like exist in the automatic control system of irrigation district water delivery gates, water resource monitoring systems and the like which are built successively at present. The heterogeneous network fusion problem in the application system of the Internet of things is solved, and the interconnection and intercommunication among ad hoc networks of massive measurement and control nodes, the ad hoc networks and an upper-layer information center are smooth.
A new heterogeneous network fusion method that can solve the above problems is urgently needed.
Disclosure of Invention
The invention provides a heterogeneous network fusion method based on NAT service, which solves the problems of low data interaction and control flexibility among different types of equipment networks in the prior art.
The technical scheme of the invention is realized as follows: a heterogeneous network fusion method based on NAT service comprises a device ad hoc network layer with a wireless local area network and a routing layer for address translation; a network layer for address translation and real-time monitoring; a communication module; the wireless local area network of the equipment ad hoc network layer comprises a sink node connected with equipment nodes; the sink node is connected with the routing layer through a communication module; the routing layer is connected with the network layer through a communication module.
Further, the routing layer comprises a storage module for storing a protocol stack, a protocol correspondence table and an address file; the processing module is used for judging the address of the sink node; the processing module is in communication connection with the sink node and the storage module.
Further, the processing module also comprises an entry unit for entering and allocating an IPV6 address; the entry unit is connected with the storage module and stores the entered IPV6 address into an address file.
Preferably, the IPV6 address of the sink node also includes a specific field for identifying its communication protocol.
Further, the network layer comprises a communication module and a remote server which can send instructions for remote monitoring and address conversion.
Preferably, the routing layer is a microprocessor.
According to the heterogeneous network fusion method based on the NAT service, the routing layers are arranged, and the respective networking layers perform unified address conversion and forwarding through the routing layers, so that data interaction among different types of ad hoc networks is convenient and fast; the devices are mutually addressable; the data interaction, access and download of the whole network are realized by arranging the network layer, and the availability and measurement and control flexibility of the system are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: and (5) a topological graph of the system structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a heterogeneous network fusion method based on NAT service, which comprises an equipment ad hoc network layer with a wireless local area network and a routing layer for address translation; a network layer for address translation and real-time monitoring; a communication module; the wireless local area network of the equipment ad hoc network layer comprises a sink node connected with equipment nodes; the sink node is connected with the routing layer through a communication module; the routing layer is connected with the network layer through a communication module.
Further, the routing layer comprises a storage module for storing a protocol stack, a protocol correspondence table and an address file; the processing module is used for judging the address of the sink node; the processing module is in communication connection with the sink node and the storage module.
Further, the processing module also comprises an entry unit for entering and allocating an IPV6 address; the entry unit is connected with the storage module and stores the entered IPV6 address into an address file.
Preferably, the IPV6 address of the sink node also includes a specific field for identifying its communication protocol.
Further, the network layer comprises a communication module and a remote server which can send instructions for remote monitoring and address conversion.
Preferably, the routing layer is a microprocessor.
The first embodiment is as follows:
when the device node sends data, the communication module, generally speaking, the rest nodes in the wireless communication local area network thereof, transfers the sent data to the sink node by using a single-hop or multi-hop mode. And a processing module in the routing layer judges the communication protocol corresponding to the receiving address according to the specific field of the IPV6 address of the receiving node, calls and converts the communication protocol into the corresponding communication protocol address in the protocol corresponding table, and then forwards the data to the receiving node through the communication module to finish the transmission of the data between different networks.
The second embodiment is as follows:
the equipment node sends the data to the sink node, the processing module in the routing layer judges the communication protocol corresponding to the receiving address according to the specific field of the IPV6 address of the receiving node, and the communication module uploads the data to the remote server in the network layer to complete network data uploading and realize remote data downloading.
The network layer carries out networking on the whole network, and each equipment node can use a communication module to send data to an upper computer or a remote server; and the data is transferred in the whole network.
The third concrete implementation mode:
when the remote server sends the relevant control command to the routing layer, the routing layer firstly converts the address into a target protocol address through specific fields in the protocol correspondence table and the IPV6 address according to the IPV6 address of the receiving node, simultaneously carries out protocol conversion, and then sends the control command to the corresponding equipment node. The flexibility of system access and control is greatly enhanced.
According to the heterogeneous network fusion method based on the NAT service, the routing layers are arranged, and the respective networking layers perform unified address conversion and forwarding through the routing layers, so that data interaction among different types of ad hoc networks is convenient and fast; the devices are mutually addressable; the data interaction, access and download of the whole network are realized by arranging the network layer, and the availability and measurement and control flexibility of the system are greatly improved.
It is understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention, and it is intended to cover in the appended claims all such changes and modifications.
Claims (6)
1. A heterogeneous network fusion method based on NAT service comprises a device ad hoc network layer with a wireless local area network, and is characterized in that: a routing layer for address translation; a network layer for address translation and real-time monitoring; a communication module;
the wireless local area network of the equipment ad hoc network layer comprises a sink node connected with equipment nodes;
the sink node is connected with the routing layer through a communication module; the routing layer is connected with the network layer through a communication module.
2. The method for fusing the heterogeneous networks based on the NAT service according to claim 1, wherein: the routing layer comprises a storage module for storing a protocol stack, a protocol corresponding table and an address file; the processing module is used for judging the address of the sink node; the processing module is in communication connection with the sink node and the storage module.
3. The method for fusing the heterogeneous networks based on the NAT service according to claim 2, wherein: the processing module also comprises an entry unit for entering and distributing an IPV6 address; the entry unit is connected with the storage module and stores the entered IPV6 address into an address file.
4. The method for fusing the heterogeneous networks based on the NAT service according to claim 3, wherein: the IPV6 address of the aggregation node also includes specific fields for identifying its communication protocol.
5. The method for fusing the heterogeneous networks based on the NAT service according to any one of claims 1-4, wherein: the network layer comprises a communication module and a remote server which can send instructions for remote monitoring and address conversion.
6. The method for fusing the heterogeneous networks based on the NAT service according to claim 5, wherein: the routing layer is a microprocessor.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023091A (en) * | 2013-02-28 | 2014-09-03 | 华为终端有限公司 | Multi-link fusion method and equipment |
| EP3382999A1 (en) * | 2017-03-29 | 2018-10-03 | Hewlett Packard Enterprise Development L.P. | Converged address translation |
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2021
- 2021-04-26 CN CN202110456169.8A patent/CN113179337A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023091A (en) * | 2013-02-28 | 2014-09-03 | 华为终端有限公司 | Multi-link fusion method and equipment |
| EP3382999A1 (en) * | 2017-03-29 | 2018-10-03 | Hewlett Packard Enterprise Development L.P. | Converged address translation |
Non-Patent Citations (3)
| Title |
|---|
| 孙知信 等: "基于IPv6的无线传感网异构通信技术研究", 《中兴通讯技术》 * |
| 肖晨亮等: "试谈IPv6环境下的校园网网络建立", 《电脑编程技巧与维护》 * |
| 胡婷婷: "基于异构无线传感器网络的混合路由设计与实现", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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Application publication date: 20210727 |