WO2013117112A1 - 传感器网络解析互通平台、传感器网络互通方法及*** - Google Patents
传感器网络解析互通平台、传感器网络互通方法及*** Download PDFInfo
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- WO2013117112A1 WO2013117112A1 PCT/CN2012/087757 CN2012087757W WO2013117112A1 WO 2013117112 A1 WO2013117112 A1 WO 2013117112A1 CN 2012087757 W CN2012087757 W CN 2012087757W WO 2013117112 A1 WO2013117112 A1 WO 2013117112A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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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
- H04L61/45—Network directories; Name-to-address mapping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Definitions
- the present invention relates to a sensor network technology, and in particular, to a sensor network analysis interworking platform, a sensor network interworking method and system. Background technique
- Wireless Sensor Network is a self-organizing network system composed of a large number of micro sensor nodes deployed in the monitoring area and formed by wireless communication. With the development of WSN technology, users can obtain a large number of detailed and reliable information about the physical world through WSN.
- the WSN is a small-area local area network, and the user can obtain the information of the sensor nodes in the WSN local area network.
- the WSN mainly uses the non-network interconnection protocol (IP) network, different WSNs.
- IP non-network interconnection protocol
- different WSNs There is still a technical difficulty in realizing the interconnection of the sensor network across the large network. Therefore, the information collected by the sensor nodes in other WSNs cannot be effectively obtained by the user.
- IP non-network interconnection protocol
- users need to obtain a large amount of information processed by sensor nodes in other WSNs. Therefore, how to achieve interconnection between different WSNs becomes an urgent problem to be solved. Summary of the invention
- An object of the present invention is to provide a sensor network interworking platform and a sensor network intercommunication.
- the present invention provides a sensor network interworking method, including: acquiring an Internet node or sending a first node in a first sensor network Query request information, where the query request information includes an identifier of a second node in the second sensor network;
- the invention also provides a sensor network analysis interworking platform, comprising:
- a first obtaining module configured to acquire the query request information sent by the first node in the Internet node or the first sensor network, where the query request information includes the identifier of the second node in the second sensor network;
- the sending module is configured to send the address information of the second node to the first node or the Internet node, so that the first The node or the Internet node communicates with the second node according to address information of the second node.
- the present invention also provides a sensor network interworking system, including an Internet, at least two sensor networks, and the above-mentioned sensor network resolution interworking platform disposed on the Internet, where each sensor network is connected through a gateway where the sensor network is located Entering the Internet, the node on the Internet or a node in one of the sensor networks interacts with the sensor network interworking platform to obtain address information of a node in another sensor network, and according to the address information The nodes in the other sensor network establish interconnection.
- a sensor network interworking system including an Internet, at least two sensor networks, and the above-mentioned sensor network resolution interworking platform disposed on the Internet, where each sensor network is connected through a gateway where the sensor network is located Entering the Internet, the node on the Internet or a node in one of the sensor networks interacts with the sensor network interworking platform to obtain address information of a node in another sensor network, and according to the address information The nodes in the other sensor network establish interconnection.
- the present invention obtains the query request information sent by the first node in the first sensor network or the node on the Internet, and according to the second node in the second sensor network carried in the query request information.
- the identifier query obtains the address information corresponding to the identifier, so that the sensor network using the non-IP technology in the network can access the Internet based on the IP technology to realize interconnection between different sensor networks; by feeding back the address information to the query
- the first node or the Internet node so that the first node or the Internet node can communicate with the second node according to the address information, so that the sensor network implements different transmissions based on the identifier of the node in the sensor network and the IP technology of the Internet. Interconnection between the network and between the sensor network and the Internet.
- Embodiment 1 is a flowchart of Embodiment 1 of a sensor network interworking method according to the present invention
- FIG. 2 is a detailed flow chart of the query step in Figure 1;
- Embodiment 3 is a flowchart of Embodiment 2 of a sensor network interworking method according to the present invention.
- FIG. 4 is a schematic structural diagram of Embodiment 1 of a sensor network interworking platform according to the present invention
- FIG. 5 is a detailed structural diagram of the embodiment shown in FIG.
- FIG. 6 is a schematic structural diagram of Embodiment 2 of a sensor network interworking platform according to the present invention
- FIG. 7 is a schematic structural diagram of an embodiment of a sensor network interworking system according to the present invention
- FIG. 8 is a diagram showing an example of a sensor network interworking system according to the present invention.
- Embodiment 1 is a flowchart of Embodiment 1 of a sensor network interworking method according to the present invention. As shown in FIG. 1, the method in this embodiment includes:
- Step 101 Obtain query request information sent by the first node in the Internet node or the first sensor network, where the query request information includes an identifier of the second node in the second sensor network.
- the nodes in the sensor network can send query request information to the sensor network resolution interworking platform through the gateway of the sensor network. If the node itself has an IP address directly communicating with the Internet, the node can directly send the query request information to the sensor network resolution interworking platform, and the node on the Internet can directly send the query request information to the sensor network resolution interworking platform, whether it is a transmission
- the node in the network or the Internet node carries the identifier of the node in the other sensor network in the query request information sent by the sensor network, so that the sensor network resolution interworking platform can perform the corresponding query operation according to the received query request information.
- the gateway of the sensor network is the gateway of the sensor network to the Internet. If the node in the sensor network cannot communicate directly with the Internet, it can access the Internet through the gateway of the sensor network where it is located, through the sensor network.
- the gateway can enable the non-IP technology sensor network to access the IP-based Internet, and each sensor network accessing the Internet has a specific gateway address, that is, the IP address of the sensor network, based on The IP address can determine the corresponding sensor network, and the nodes in each sensor network have different identifiers or addresses within the sensor network, and the corresponding sensor nodes can be determined based on the identifier or the address in the sensor network.
- Step 102 Acquire, according to the identifier query, address information of the second node.
- the address information library or other address directory service may be queried according to the identifier of the corresponding node, thereby obtaining address information required by the node on the Internet or the node in the sensor network, and the address information may be
- the method includes: an address in a sensing network corresponding to a node in a second sensing network that needs to communicate, a gateway address of the second sensing network, a port number thereof, and the like, wherein the node in the second sensing network corresponds to the sensing network
- the address refers to address information that the node can recognize in the second sensor network. If the second node can directly perform IP communication with the Internet, the address information may also be an IP address corresponding to the second node that needs to communicate.
- the sensor network analysis interworking platform can obtain corresponding corresponding manners by using different query methods. Address information.
- the sensor network resolution interworking platform can use a centralized directory service, such as the Simple Network Management Protocol (SNMP) information management library.
- SNMP Simple Network Management Protocol
- the sensor network analysis interworking platform can obtain the address information of the request query by querying the corresponding information management library; or the sensor network analysis interworking platform embeds the corresponding node information base into the form of the gateway, The gateway performs active or passive synchronization of the address information of the nodes in the sensing network in real time, and the sensor network analysis interworking platform can update the address information of each node in real time, so that the address information synchronized by each gateway can be queried.
- a distributed sensor network resolution interworking platform may also be used, such as a domain name system (DNS).
- DNS domain name system
- the identifier of the node and the corresponding gateway address and port number and the mapping of the address in the sensing network or the identifier of the node and its IP address are The mapping of addresses can be registered in the DNS and stored in the form of resource records, such as the Naming Authority Pointer (NAPTR) record.
- NAPTR Naming Authority Pointer
- FIG. 2 is a detailed flowchart of the querying process in FIG. 1. As shown in FIG. 2, in the specific application, the foregoing step 102 may include:
- Step 1021 Perform domain name processing on the identifier to obtain a domain name corresponding to the identifier.
- the identification domain name processing can be performed according to the processing method provided by the sensor network resolution interworking platform. For example, if all the sensor networks use one type of identification, the identification to the domain name can be directly converted, such as different sensor networks. For different identifier types, the corresponding domain nameization rule can be obtained according to the identifier query, and the identifier is converted into a domain name according to the obtained domain nameization rule.
- Step 1022 Perform a domain name system query according to the domain name, and obtain address information of the second node.
- the identifier of the sensor node A is abc, and the corresponding DNS record records the sensor network address of the sensor node A, such as a MAC address, and the sensor node A is transmitted.
- the gateway address and port number of the network When a node or an Internet node in another sensor network queries the sensor node A through the sensor network resolution interworking platform, the identifier abc of the sensor node A can be carried in its solution to the sensor network.
- the sensor network resolution interworking platform obtains the corresponding domain name by performing domain name processing on the identifier abc, and then performs a DNS query according to the domain name, and obtains a corresponding gateway address, port number, and the corresponding number in the DNS record.
- the sensor network address corresponding to the sensor node In the above domain name processing, if each sensor network uses the same identification scheme, the domain name of the sensor node A can be directly processed during the query, if each sensor network uses a different identifier.
- each of the identifier schemes corresponds to a specific domain name-based rule
- the domain name-based rule corresponding to the identifier scheme of the identifier may be obtained according to the identifier, and then the domain name is processed according to the domain name-based rule to obtain the corresponding domain name.
- node A and node B belong to different sensor networks, and different identification schemes are used.
- domain name rules corresponding to node A and node B respectively need to be used.
- ⁇ Distributed interoperability platform based on DNS for distributed sensor network which avoids the problem that the centralized sensor network resolves the interoperability platform address information library capacity is not easy to expand and the server is prone to single point of failure, so each sensor network can be used.
- the node information is maintained efficiently and securely.
- Step 103 Send address information of the second node to the first node or the Internet node, so that the first node or the Internet node according to the address information of the second node and the first Two-node communication.
- the address information may be sent to the Internet node or the first node requesting the query, so that the node in the Internet node or the sensor network may be based on the second in the address information.
- the gateway address and port number of the sensor network find the corresponding sensor network, and the corresponding node is found according to the address in the sensor network corresponding to the node in the second sensor network, thereby realizing nodes or nodes in different sensor networks. Interconnection with nodes within the sensor network.
- the query request information sent by the first node in the first sensor network or the node on the Internet is obtained, and the identifier is obtained according to the identifier of the second node in the second sensor network carried in the query request information.
- the corresponding address information enables the sensor network using non-IP technology in the network to access the Internet based on IP technology to realize interconnection between different sensor networks; by feeding back the address information to the first node of the query or the Internet The node, so that the first node or the Internet node can communicate with the second node according to the address information, so that the sensor network is based on the identity of the node in the sensor network.
- FIG. 3 is a flowchart of Embodiment 2 of the sensor network interworking method of the present invention. As shown in FIG.
- the embodiment may further include pre-processing nodes in the sensor network before step 102 of the embodiment shown in FIG.
- the method of the embodiment includes: obtaining the query information directly from the pre-stored information base when the sensor network resolves the intercommunication platform query, and the method in this embodiment includes:
- Step 201 Obtain query request information sent by the first node in the Internet node or the first sensor network, where the query request information includes an identifier of the second node in the second sensor network.
- Step 202 Obtain an identifier of the second node and address information of the second node that are sent by the second node.
- Step 203 Store a mapping relationship between the identifier of the second node and the address information of the second node.
- the sensor network analysis interworking platform collects address information of nodes in each sensor network connected to the Internet in real time in daily operation, including the gateway address of the sensor network.
- the port number and the address of the sensor network corresponding to the sensor node, etc. may also include only the IP address of the node, and store the collected information as a mapping of the node identifier to the address information of the node, so that the mapping relationship and the identifier may be Quickly query the corresponding address information.
- it may be stored in an address information database set in the sensor network resolution interworking platform or in an address directory service.
- Step 204 Acquire address information of the second node according to the identifier of the second node and the mapping relationship.
- Step 205 Send address information of the second node to the first node or the Internet node, so that the first node or the Internet node according to the address information of the second node and the first Two-node communication.
- the present embodiment further acquires the address information of the node in the sensor network and the identification information of the node in real time, and stores the mapping relationship between the identifier information and the address information, thereby obtaining
- the corresponding address information can be quickly queried according to the identification information carried in the query request information and the pre-stored mapping relationship, thereby improving the query processing efficiency.
- the interworking platform of the embodiment includes: a first acquiring module 10, a processing module 30, and a sending module 20, and the processing module 30 respectively
- the first obtaining module 10 and the sending module 20 are connected.
- the first The module 10 is configured to obtain the query request information sent by the first node in the Internet node or the first sensor network, where the query request information includes the identifier of the second node in the second sensor network;
- the sending module 20 is configured to send the address information of the second node to the first node or the Internet node, so that the first A node or the Internet node communicates with the second node according to address information of the second node.
- the processing module 30 performs the query processing according to the identifier of the node carried in the query request information to obtain the address information of the corresponding node, and the sending module 20 feeds back the address information to the sending.
- the node requesting the information is queried to communicate with the corresponding node based on the address information.
- This embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 1 above, and the technical principle and the technical effects achieved are similar, and are not described again.
- FIG. 5 is a schematic structural diagram of the embodiment shown in FIG. 4.
- the processing module 30 shown in FIG. 4 may include: a first query unit 301, a processing unit 302, and an obtaining unit 303.
- a query unit 301 is connected to the obtaining unit 303
- the first query unit 301 is connected to the sending module 20, and the obtaining unit 303 is connected to the first obtaining module 10.
- the obtaining unit 303 is configured to obtain a domain name-based rule corresponding to the identifier
- the processing unit 302 is configured to perform domain name processing on the identifier according to the domain name-based rule to obtain a domain name corresponding to the identifier.
- the first query unit 301 And performing a domain name system query according to the domain name, and acquiring address information of the second node.
- the obtaining unit 303 of the processing module 30 obtains the domain name-based rule corresponding to the identifier according to the identifier carried in the query request information, and the processing unit 302 processes the domain name according to the domain name
- the identifier performs the domain name processing to obtain the corresponding domain name
- the first query unit 301 queries the domain name system according to the domain name to obtain the corresponding address information, so that the sending module 20 sends the address information to the corresponding node, so that the address information is based on the address information. Nodes in other sensor networks communicate.
- FIG. 6 is a schematic structural diagram of a second embodiment of a sensor network interworking platform according to the present invention.
- the interworking platform of the embodiment is based on the embodiment shown in FIG. 4, and further includes: a storage module. 50 and the second obtaining module 40, the storage module 50 is connected to the processing module 30.
- the second obtaining module 40 is configured to acquire the identifier of the second node sent by the second node.
- the address information of the second node; the storage module 50 is configured to store a mapping relationship between the identifier of the second node and the address information of the second node.
- the second obtaining module 40 can obtain the node address information and the identifier information sent by the node in the sensor network in real time, and the storage module 50 stores the mapping relationship between the identifier of the node and the address information, so that the first acquiring module 10 Upon receiving the query request information, the processing module 30 can quickly query and obtain the corresponding address information according to the identifier information carried in the query request information and the pre-stored mapping relationship, thereby improving the query processing efficiency of the sensor network analysis interworking platform.
- This embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 3, and the technical principle and the technical effects achieved are similar, and details are not described herein again.
- the processing module 30 may include: a second query unit or a third query unit (not shown) connected to the first obtaining module 10 and the sending module 20, respectively.
- a query unit configured to acquire address information of the second node according to the centralized address information database of the identifier query
- a third query unit configured to query, according to the identifier, an address of a gateway embedded in the first sensor network
- the information base acquires address information of the second node.
- the processing module may use the second query unit to centrally manage the node information in each sensor network in the manner of a directory service, or use the third query unit to
- the information base is embedded in the gateway of each sensor network, and each node performs active or passive synchronization update node information in real time.
- Figure ⁇ is a schematic structural diagram of an embodiment of a sensor network interworking system of the present invention.
- the system of this embodiment includes: an Internet 200, a first sensing network 300, a second sensing network 400, and a setting on the Internet 200.
- the sensor network analysis interworking platform 100, the sensor network analysis interworking platform 100 may be the sensor network analysis interworking platform in any of the above embodiments of FIG. 4 to FIG. 6, the first sensor network 300 and the second sensor network 400 may pass The gateway where it is located is connected to the Internet 200.
- the node on the Internet 200 or the node in the first sensor network 300 can obtain the address information of the node in the second sensor network 400 by interacting with the sensor network resolution interworking platform 100, thereby obtaining the address information according to the address information.
- the nodes of the second sensor network 400 are interconnected to realize interconnection and intercommunication between nodes in different sensor networks or between nodes in the Internet node and the sensor network.
- the sensor network interworking system of the present embodiment can be used to implement the technical solution of any of the foregoing embodiments in FIG. 4 to FIG. 6.
- the technical principle and the technical effects achieved are similar, and details are not described herein again.
- FIG. 8 is a schematic diagram of an example of a sensor network interworking system according to the present invention.
- the sensor network interworking system includes: a first sensor network 300, a second sensor network 400, and a sensor network 1000.
- the Internet 200 and the sensor network resolution interworking platform 100 disposed on the Internet 200, in the system operation, if the Node B in the first sensor network 300 needs to communicate with the node A in the second sensor network 400, or on the Internet 200
- the node C needs to communicate with the node A in the second sensor network 400, and the node B accesses the gateway 310 of the Internet 200 through the first sensor network 300 to send the query request information to the sensor network resolution interworking platform 100, and the node C directly
- the sensor network analysis interworking platform 100 sends the query request information, and the query request information needs to carry the identifier information of the node A.
- the sensor network analysis and interworking platform 100 can query the node A to pre-register and store the sensor network in the sensor network interworking platform 100 according to the identifier information.
- the address information database obtains the address information of the node A, and the sensor network analysis interworking platform 100 can also obtain the address information of the node A in real time according to the identification information, and obtain the sensor network address of the node A corresponding to the identifier, and the node A is located.
- the address information can be fed back to Point C, and feedback to the Node B through the gateway 310, so that nodes B and C may communicate with the node A according to the address information.
- the interaction process between the Node B and the sensor network analysis interworking platform 100 is as shown in the path 600.
- the interaction process between the node C and the sensor network resolution interworking platform 100 is as shown in the path 700, and the communication path 800 is the node B and the node A.
- the interworking path, the communication path 900 is an interworking path between the node C and the node A.
- the node A sends the identifier, the gateway address and the port number of the second sensor network where it is located to the sensor network resolution interworking platform 100 through the gateway 410 where the node is located to complete the information registration, and the registration path 500 of the node A is as shown in the figure.
- the sensor network analysis interworking platform 100 can quickly complete the query processing when receiving the query request information.
- the method includes the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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Abstract
本发明公开了一种传感器网络解析互通平台、传感器网络互通方法及***。其中,传感器网络互通方法包括:获取互联网节点或者第一传感网内的第一节点发送的查询请求信息,所述查询请求信息中包括第二传感网内的第二节点的标识;根据所述标识查询获取所述第二节点的地址信息;将所述第二节点的地址信息发送给所述第一节点或者所述互联网节点,以使所述第―节点或者所述互联网节点根据所述第二节点的地址信息与所述第二节点通信。本发明适用于不同传感网之间或者互联网与传感网之间需要互联互通的场合。
Description
传感器网络解析互通平台、 传感器网络互通方法及***
技术领域
本发明涉及传感器网络技术, 尤其涉及一种传感器网络解析互通平台、 传感器网络互通方法及***。 背景技术
无线传感器网络(Wireless Sensor Network, 简称: WSN ) 是由部署 在监测区域内大量的微型传感器节点组成, 并通过无线通信方式形成的 一个自组织网络***。 随着 WSN技术的发展, 用户可以通过 WSN获取 大量详实可靠的物理世界的信息。
现有技术中, WSN为小范围的局域网络, 用户可以获取 WSN局域 网内部的传感器节点釆集的信息,由于 WSN内部主要釆用非网络互连协 议 (Internet Protocol, 简称: IP)网络, 不同 WSN之间实现跨大网传感器 网络互联在技术上还有^ [艮多困难, 因此, 对其他 WSN内传感器节点釆集 的信息, 用户还无法有效的获取。 然而, 随着各行业信息的交互增加, 用户需要获取大量的其他 WSN内传感器节点釆集处理的信息。 因此, 如 何在不同 WSN之间实现互联互通成为亟需解决的问题。 发明内容
本发明的目的是提供一种传感器网络解析互通平台、 传感器网络互通方 为实现上述目的, 本发明提供一种传感器网络互通方法, 包括: 获取互联网节点或者第一传感网内的第一节点发送的查询请求信息, 所 述查询请求信息中包括第二传感网内的第二节点的标识;
根据所述标识查询获取所述第二节点的地址信息;
将所述第二节点的地址信息发送给所述第一节点或者所述互联网节点, 以使所述第一节点或者所述互联网节点根据所述第二节点的地址信息与所述 第二节点通信。
本发明还提供一种传感器网络解析互通平台, 包括:
第一获取模块, 用于获取互联网节点或者第一传感网内的第一节点发送 的查询请求信息,所述查询请求信息中包括第二传感网内的第二节点的标识; 处理模块, 用于根据所述标识查询获取所述第二节点的地址信息; 发送模块, 用于将所述第二节点的地址信息发送给所述第一节点或者所 述互联网节点, 以使所述第一节点或者所述互联网节点根据所述第二节点的 地址信息与所述第二节点通信。
本发明还提供一种传感器网络互通***, 包括互联网、 至少两个传感网 以及设置在所述互联网上的上述的传感器网络解析互通平台, 每个传感网通 过该传感网所在的网关接入所述互联网, 所述互联网上的节点或者其中一个 传感网内的节点通过与所述传感器网络解析互通平台交互获取另一个传感网 内节点的地址信息, 并根据所述地址信息与该另一个传感网内的节点建立互 联互通。
由上述技术方案可知, 本发明通过获取第一传感网内的第一节点或者互 联网上的节点发送的查询请求信息, 并根据该查询请求信息中携带的第二传 感网内的第二节点的标识查询获取标识对应的地址信息, 使得网内釆用非 IP 技术的传感网可以接入基于 IP技术的互联网, 实现不同传感网之间的互联; 通过将该地址信息反馈给查询的第一节点或互联网节点, 以使第一节点或互 联网节点根据该地址信息可以与第二节点进行互通, 从而使传感网基于传感 网内的节点的标识以及互联网的 IP技术实现了不同传感网之间以及传感网与 互联网之间的互联互通。 附图说明
图 1为本发明传感器网络互通方法实施例一的流程图;
图 2为图 1中查询步骤的详细流程图;
图 3为本发明传感器网络互通方法实施例二的流程图;
图 4为本发明传感器网络解析互通平台实施例一的结构示意图; 图 5为图 4所示实施例的详细结构示意图;
图 6为本发明传感器网络解析互通平台实施例二的结构示意图; 图 7为本发明传感器网络互通***实施例的结构示意图;
图 8为本发明传感器网络互通***的一个实例图。 具体实施方式
图 1为本发明传感器网络互通方法实施例一的流程图, 如图 1所示, 本 实施例的方法包括:
步骤 101、 获取互联网节点或者第一传感网内的第一节点发送的查询请 求信息, 所述查询请求信息中包括第二传感网内的第二节点的标识。
当互联网上的节点或者传感网内的节点需要与其他传感网内的节点进行 通信时, 传感网内的节点可通过其所在传感网的网关向传感器网络解析互通 平台发送查询请求信息, 若该节点自身具有与互联网直接通信的 IP地址, 其 可以直接将该查询请求信息发送给传感器网络解析互通平台, 互联网上的节 点可直接向传感器网络解析互通平台发送查询请求信息, 无论是传感网内的 节点还是互联网节点, 都将其他传感网内的节点的标识携带在其发送的查询 请求信息中, 以使传感器网络解析互通平台能够根据接收的查询请求信息进 行相应的查询操作。 传感网的网关即该传感网接入互联网的网关, 该传感网 内的节点若本身不能与互联网直接通信, 其可以通过其所在的传感网的网关 接入互联网, 通过传感网的网关可使釆用网内釆用非 IP技术的传感网接入基 于 IP技术的互联网, 接入互联网的每个传感网具有特定的网关地址, 即该传 感网的 IP地址, 基于该 IP地址可以确定相应的传感网, 每个传感网内的节 点有不同的标识或者传感网内地址, 基于标识或者传感网内地址可以确定相 应的传感器节点。
步骤 102、 根据所述标识查询获取所述第二节点的地址信息。
当传感器网络解析互通平台获取查询请求信息后可根据相应节点的标识 查询地址信息库或者其他地址目录服务等, 从而获取互联网上的节点或者传 感网内的节点需要的地址信息, 这些地址信息可以包括: 需要通信的第二传 感网内的节点对应的传感网内地址、 第二传感网的网关地址及其端口号等, 其中第二传感网内的节点对应的传感网内地址指的是节点在第二传感网内可 以识别的地址信息等, 若第二节点能够与互联网直接进行 IP通信, 则这些地 址信息也可以是需要通信的第二节点对应的 IP地址。
具体实施中, 传感器网络解析互通平台可釆用不同的查询方式获取相应
的地址信息。 例如, 在接入互联网的传感网数量不多的情况下, 传感器网络 解析互通平台可釆用集中式的目录服务, 如简单网络管理协议 (Simple Network Management Protocol, 简称: SNMP)的信息管理库 ( Management Information Base, 简称: MIB ) , 传感器网络解析互通平台通过查询相应的 信息管理库可以获取请求查询的地址信息; 或者传感器网络解析互通平台将 相应的节点信息库嵌入到网关的形式, 由各个网关进行实时地主动的或被动 的同步传感网内的节点的地址信息, 传感器网络解析互通平台可以实时更新 各节点的地址信息, 从而可查询到各个网关同步的地址信息。 而在接入互联 网的传感网数量较大时, 为了更加高效安全的进行注册及解析查询, 也可釆 用分布式的传感器网络解析互通平台, 如基于域名*** ( Domain Name System, 简称: DNS )构建传感器网络解析互通平台。
具体来说, 基于 DNS构建的传感器网络解析互通平台中, 在地址信息注 册时, 节点的标识与对应的网关地址及端口号等信息和自身的传感网内地址 的映射或者节点的标识与其 IP地址的映射可在 DNS中注册, 存储为资源记 录的形式, 如名称权威指针(Naming Authority Pointer, 简称: NAPTR )记 录, 在解析查询时, 通过 DNS查询机制进行查询。
图 2为图 1中查询步骤的详细流程图, 如图 2所示, 具体应用中, 上述 步骤 102可以包括:
步骤 1021、 对所述标识进行域名化处理获取所述标识对应的域名。
对标识域名化处理可以根据传感器网络解析互通平台提供的处理方式进 行, 如所有传感网中均釆用一种标识类型, 则可以直接进行标识到域名的转 换处理, 如不同传感网釆用不同的标识类型, 则可以根据标识查询获取对应 的域名化规则, 在根据获取的域名化规则将标识转换成域名。
步骤 1022、 根据所述域名进行域名***查询, 获取所述第二节点的地址 信息。
以下以对某传感器节点 A查询为例进行说明: 传感器节点 A的标识为 abc, 其对应的 DNS 记录中记录有该传感器节点 A 的传感器网络地址, 如 MAC地址等, 该传感器节点 A所在的传感网的网关地址及端口号等。 当其 他传感网内的节点或者互联网节点通过传感器网络解析互通平台对传感器节 点 A进行查询时, 可以将传感器节点 A的标识 abc携带在其向传感器网络解
析互通平台发送的查询请求信息中,传感器网络解析互通平台通过对标识 abc 进行域名化处理获取其对应的域名,再根据该域名进行 DNS查询,获取 DNS 记录中对应的网关地址、 端口号和该传感器节点对应的传感器网络地址。 在 上述的域名化处理中, 若各个传感网釆用相同的标识方案, 则在查询时可直 接将传感器节点 A的标识 abc进行域名化处理即可, 若各个传感网釆用不同 的标识方案, 每种标识方案对应特定的域名化规则, 则在查询时可先根据标 识获取与该标识的标识方案对应的域名化规则, 再根据该域名化规则对标识 进行域名化处理获取对应的域名。 如节点 A和节点 B分属于不同的传感网, 其釆用不同的标识方案, 在域名化处理中需釆用分别与节点 A和节点 B相对 应的域名化规则。 釆用基于 DNS构建的分布式传感器网络解析互通平台, 可 避免釆用集中式的传感器网络解析互通平台地址信息库容量不易扩充的问题 以及服务器易出现单点故障问题, 因此可使各个传感网的节点信息得到高效 安全的维护。
步骤 103、 将所述第二节点的地址信息发送给所述第一节点或者所述互 联网节点, 以使所述第一节点或者所述互联网节点根据所述第二节点的地址 信息与所述第二节点通信。
当传感器网络解析互通平台查询获取相应的地址信息后, 可以将该地址 信息发送给请求查询的互联网节点或者第一节点, 从而互联网节点或传感网 内的节点可以根据该地址信息中的第二传感网的网关地址和端口号找到相应 的传感网, 并根据第二传感网内的节点对应的传感器网内地址找到相应的节 点, 从而实现不同传感网内的节点之间或者互联网与传感网内的节点之间的 互联互通。
本实施例通过获取第一传感网内的第一节点或者互联网上的节点发送的 查询请求信息, 并根据该查询请求信息中携带的第二传感网内的第二节点的 标识查询获取标识对应的地址信息,使得网内釆用非 IP技术的传感网可以接 入基于 IP技术的互联网, 实现不同传感网之间的互联; 通过将该地址信息反 馈给查询的第一节点或互联网节点, 以使第一节点或互联网节点根据该地址 信息可以与第二节点进行互通, 从而使传感网基于传感网内的节点的标识以 通。
图 3为本发明传感器网络互通方法实施例二的流程图, 如图 3所示, 本 实施例在上述图 1所示实施例的步骤 102之前还可以包括对传感网内的节点 进行预处理的步骤, 以使传感器网络解析互通平台查询时直接从预存储的信 息库中获取查询信息, 本实施例的方法包括:
步骤 201、 获取互联网节点或者第一传感网内的第一节点发送的查询请 求信息, 所述查询请求信息中包括第二传感网内的第二节点的标识。
步骤 202、 获取所述第二节点发送的所述第二节点的标识和所述第二节 点的地址信息。
步骤 203、 存储所述第二节点的标识与所述第二节点的地址信息的映射 关系。
上述步骤 202和步骤 203也可以在步骤 201之前进行, 传感器网络解析 互通平台在日常运行中通过实时收集接入互联网的各个传感网内的节点的地 址信息, 包括所在传感网的网关地址、 端口号以及传感器节点对应的传感网 内地址等, 也可以是仅包括节点的 IP地址, 并将收集的信息存储成节点标识 到节点的地址信息的映射, 从而可以根据该映射关系及标识可以快速查询到 相应的地址信息。 具体实施中, 可以存储在传感器网络解析互通平台中设置 的地址信息库中或者地址目录服务中。
步骤 204、 根据所述第二节点的标识及所述映射关系获取所述第二节点 的地址信息。
步骤 205、 将所述第二节点的地址信息发送给所述第一节点或者所述互 联网节点, 以使所述第一节点或者所述互联网节点根据所述第二节点的地址 信息与所述第二节点通信。
本实施例在达到上述实施例一的技术效果的基础上, 进一步地, 通过 实时获取传感网内节点的地址信息与节点的标识信息, 并存储标识信息到 地址信息的映射关系, 从而当获取查询请求信息时, 可以根据查询请求信 息中携带的标识信息及预存储的映射关系快速查询获取相应的地址信息, 从而提高了查询处理效率。
图 4为本发明传感器网络解析互通平台实施例一的结构示意图, 如图 4 所示, 本实施例的互通平台包括: 第一获取模块 10、 处理模块 30和发送模块 20 , 处理模块 30分别与第一获取模块 10和发送模块 20连接。 其中, 第一获
取模块 10, 用于获取互联网节点或者第一传感网内的第一节点发送的查询请 求信息, 所述查询请求信息中包括第二传感网内的第二节点的标识; 处理模 块 30, 用于根据所述标识查询获取所述第二节点的地址信息; 发送模块 20, 用于将所述第二节点的地址信息发送给所述第一节点或者所述互联网节点, 以使所述第一节点或者所述互联网节点根据所述第二节点的地址信息与所述 第二节点通信。
本实施例中, 第一获取模块 10获取查询请求信息后, 处理模块 30根据 该查询请求信息中携带的节点的标识进行查询处理获取相应节点的地址信 息, 发送模块 20将该地址信息反馈给发送查询请求信息的节点, 以使其基于 该地址信息与相应的节点进行通信。
本实施可用于执行上述图 1所示的方法实施例的技术方案, 其技术原理 及达到的技术效果类似, 不再赘述。
图 5为图 4所示实施例的详细结构示意图, 具体应用中, 上述图 4所示 的处理模块 30可以包括: 第一查询单元 301、 处理单元 302和获取单元 303 , 处理单元 302分别与第一查询单元 301和获取单元 303连接, 第一查询单元 301与发送模块 20连接, 获取单元 303与第一获取模块 10连接。 其中, 获 取单元 303 , 用于获取与所述标识对应的域名化规则; 处理单元 302, 用于根 据域名化规则对所述标识进行域名化处理获取所述标识对应的域名; 第一查 询单元 301 , 用于根据所述域名进行域名***查询, 获取所述第二节点的地 址信息。
当第一获取模块 10接收到查询请求信息时, 处理模块 30中的获取单元 303 根据该查询请求信息中携带的标识获取与该标识对应的域名化规则, 处 理单元 302根据该域名化规则对该标识进行域名化处理获取对应的域名, 第 一查询单元 301根据该域名查询域名***, 获取相应的地址信息, 从而发送 模块 20将该地址信息发送给相应的节点,以使其根据该地址信息与其他传感 网内的节点进行通信。
图 6为本发明传感器网络解析互通平台实施例二的结构示意图, 如图 6 所示, 本实施例的互通平台在上述图 4所示的实施例的基础上, 进一步地, 还包括: 存储模块 50和第二获取模块 40 , 存储模块 50与处理模块 30连接。 其中, 第二获取模块 40, 用于获取所述第二节点发送的所述第二节点的标识
和所述第二节点的地址信息; 存储模块 50, 用于存储所述第二节点的标识与 所述第二节点的地址信息的映射关系。
本实施例中第二获取模块 40 可以实时获取传感网内节点发送的节点地 址信息及标识信息,存储模块 50存储该节点的标识与地址信息之间的映射关 系, 从而当第一获取模块 10接收到查询请求信息时, 处理模块 30可以根据 该查询请求信息中携带的标识信息及预存储的映射关系快速查询获取相应的 地址信息, 从而提高了传感器网络解析互通平台的查询处理效率。
本实施例可用于执行上述图 3所示方法实施例的技术方案, 其技术原理 及达到的技术效果类似, 不再赘述。
在上述图 4或图 6所示的实施例中, 处理模块 30可以包括: 分别与第一 获取模块 10和发送模块 20连接的第二查询单元或第三查询单元(未示出), 第二查询单元, 用于根据所述标识查询集中式的地址信息库获取所述第二节 点的地址信息; 第三查询单元, 用于根据所述标识查询嵌入所述第一传感网 的网关的地址信息库获取所述第二节点的地址信息。 针对传感网数量不多的 情况, 处理模块可以釆用第二查询单元, 以将各个传感网内的节点信息以目 录服务的方式集中管理, 也可以釆用第三查询单元, 以将节点信息库嵌入各 个传感网的网关, 由各个网关实时进行主动的或被动的同步更新节点信息。
图 Ί为本发明传感器网络互通***实施例的结构示意图, 如图 Ί所示, 本实施例的***包括: 互联网 200、 第一传感网 300、 第二传感网 400以及设 置在互联网 200上的传感器网络解析互通平台 100, 传感器网络解析互通平 台 100可以为上述图 4〜图 6中任一实施例中的传感器网络解析互通平台, 第 一传感网 300和第二传感网 400可以通过自身所在的网关接入互联网 200。 具体应用中, 互联网 200上的节点或者第一传感网 300内的节点可以通过与 传感器网络解析互通平台 100交互获取第二传感网 400内的节点的地址信息, 从而根据该地址信息与第二传感网 400的节点进行互联互通, 实现不同传感 网内节点之间或者互联网节点与传感网内的节点之间的互联互通。
本实施例的传感器网络互通***可用于实现上述图 4〜图 6中任一实施例 的技术方案, 其技术原理及达到的技术效果类似, 不再赘述。
图 8为本发明传感器网络互通***的一个实例图, 如图 8所示, 本传感 器网络互通***中包括: 第一传感网 300、 第二传感网 400、 传感网 1000、
互联网 200和设置在互联网 200上的传感器网络解析互通平台 100, 在*** 运行中, 若第一传感网 300内的节点 B需要与第二传感网 400内的节点 A通 信, 或者互联网 200上的节点 C需要与第二传感网 400内的节点 A通信, 则 节点 B通过第一传感网 300接入互联网 200的网关 310向传感器网络解析互 通平台 100发送查询请求信息, 节点 C直接向传感器网络解析互通平台 100 发送查询请求信息, 该查询请求信息中都需携带有节点 A的标识信息, 传感 器网络解析互通平台 100根据该标识信息可以查询节点 A预先注册存储在传 感器网络解析互通平台 100的地址信息库从而获取节点 A的地址信息, 传感 器网络解析互通平台 100也可以根据该标识信息实时获取节点 A 的地址信 息, 获取与该标识对应的节点 A的传感器网络地址、 节点 A所在的第二传感 网的网关地址及端口号后, 可将这些地址信息反馈给节点 C, 或者通过网关 310反馈给节点 B, 从而节点 B和节点 C根据这些地址信息可以与节点 A进 行通信。 节点 B与传感器网络解析互通平台 100的交互过程如图中路径 600 所示, 节点 C与传感器网络解析互通平台 100的交互过程如图中路径 700所 示, 通信路径 800为节点 B与节点 A之间的互通的路径, 通信路径 900为节 点 C与节点 A之间的互通的路径。 节点 A将其标识、其所在的第二传感网的 网关地址及端口号通过其所在的网关 410发送给传感器网络解析互通平台 100完成信息注册, 节点 A的注册路径 500如图所示, 当传感器网络解析互 通平台 100接收到查询请求信息时可以快速完成查询处理。
本领域普通技术人员可以理解: 实现上述方法实施例的全部或部分步骤 可以通过程序指令相关的硬件来完成, 前述的程序可以存储于一计算机可读 取存储介质中, 该程序在执行时, 执行包括上述方法实施例的步骤; 而前述 的存储介质包括: ROM, RAM, 磁碟或者光盘等各种可以存储程序代码的介 质。
最后应说明的是: 以上实施例仅用以说明本发明的技术方案而非对其进 行限制, 尽管参照较佳实施例对本发明进行了详细的说明, 本领域的普通技 术人员应当理解: 其依然可以对本发明的技术方案进行修改或者等同替换, 而这些修改或者等同替换亦不能使修改后的技术方案脱离本发明技术方案的 4青神和范围。
Claims
1、 一种传感器网络互通方法, 其特征在于, 包括:
获取互联网节点或者第一传感网内的第一节点发送的查询请求信息, 所 述查询请求信息中包括第二传感网内的第二节点的标识;
根据所述标识查询获取所述第二节点的地址信息;
将所述第二节点的地址信息发送给所述第一节点或者所述互联网节点, 以使所述第一节点或者所述互联网节点根据所述第二节点的地址信息与所述 第二节点通信。
2、 根据权利要求 1所述的方法, 其特征在于, 根据所述标识查询获取所 述第二节点的地址信息, 具体包括:
对所述标识进行域名化处理获取所述标识对应的域名;
根据所述域名进行域名***查询, 获取所述第二节点的地址信息。
3、 根据权利要求 2所述的方法, 其特征在于, 对所述标识进行域名化处 理获取所述标识对应的域名之前, 还包括:
获取与所述标识对应的域名化规则;
相应地, 对所述标识进行域名化处理获取所述标识对应的域名, 具体为: 根据所述域名化规则对所述标识进行域名化处理获取所述标识对应的域 名。
4、 根据权利要求 1所述的方法, 其特征在于, 根据所述标识查询获取所 述第二节点的地址信息, 具体包括:
根据所述标识查询集中式的地址信息库获取所述第二节点的地址信息; 或者
根据所述标识查询嵌入所述第一传感网的网关的地址信息库获取所述第 二节点的地址信息。
5、 根据权利要求 1〜4中任一项所述的方法, 其特征在于, 根据所述标识 查询获取所述第二节点的地址信息之前, 还包括:
获取所述第二节点发送的所述第二节点的标识和所述第二节点的地址信 息;
存储所述第二节点的标识与所述第二节点的地址信息的映射关系; 相应地, 根据所述标识查询获取所述第二节点的地址信息, 具体为:
根据所述第二节点的标识及所述映射关系获取所述第二节点的地址信 息,
其中, 所述第二节点的地址信息包括所述第二传感网的网关地址、 端口 号和所述第二节点对应的传感网内地址, 或者包括所述第二节点的 IP地址。
6、 一种传感器网络解析互通平台, 其特征在于, 包括:
第一获取模块, 用于获取互联网节点或者第一传感网内的第一节点发送 的查询请求信息,所述查询请求信息中包括第二传感网内的第二节点的标识; 处理模块, 用于根据所述标识查询获取所述第二节点的地址信息; 发送模块, 用于将所述第二节点的地址信息发送给所述第一节点或者所 述互联网节点, 以使所述第一节点或者所述互联网节点根据所述第二节点的 地址信息与所述第二节点通信。
7、 根据权利要求 6所述的平台, 其特征在于, 所述处理模块包括: 处理单元, 用于对所述标识进行域名化处理获取所述标识对应的域名; 第一查询单元, 用于根据所述域名进行域名***查询, 获取所述第二节 点的地址信息。
8、 根据权利要求 7所述的平台, 其特征在于, 所述处理模块还包括: 与 所述处理单元连接的获取单元,
所述获取单元, 用于获取与所述标识对应的域名化规则;
所述处理单元, 具体用于根据所述域名化规则对所述标识进行域名化处 理获取所述标识对应的域名。
9、 根据权利要求 6〜8中任一项所述的平台, 其特征在于, 还包括: 第二获取模块, 用于获取所述第二节点发送的所述第二节点的标识和所 述第二节点的地址信息;
存储模块, 用于存储所述第二节点的标识与所述第二节点的地址信息的 映射关系;
所述处理模块, 具体用于根据所述第二节点的标识及所述映射关系获取 所述第二节点的地址信息,
其中, 所述第二节点的地址信息包括所述第二传感网的网关地址、 端口 号和所述第二节点对应的传感网内地址, 或者包括所述第二节点的 IP地址。
10、 一种传感器网络互通***, 其特征在于, 包括互联网、 至少两个传
感网以及设置在所述互联网上的如权利要求 6〜9中任一项所述的传感器网络 解析互通平台, 每个传感网通过该传感网所在的网关接入所述互联网, 所述 互联网上的节点或者其中一个传感网内的节点通过与所述传感器网络解析互 通平台交互获取另一个传感网内节点的地址信息, 并根据所述地址信息与该 另一个传感网内的节点建立互联互通。
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