WO2018232965A1 - Method and device for updating routing information table based on monitored device - Google Patents

Abstract

The present invention relates to a method and a device for updating a routing information table on the basis of a monitored device. The method comprises: an edge routing node receiving an indication message sent by a filtering gateway and indicating that a convergence unit is interested in a monitored device of a target device type, and monitoring massive IoT data, reported by massive terminal device, within the wireless coverage range thereof; when the massive IoT data comprises multiple pieces of IoT data in which the device identifiers of the terminal devices are not stored in a pre-generated routing information table, the edge routing node determining whether the multiple pieces of IoT data comprises at least one piece of IoT data in which the device type of terminal device is the target device type; if so, adding the device identifier of the terminal device, which is included in the at least one piece of IoT data, into the routing information table, if not, controlling the routing information table not to be updated. The embodiments of the present invention can reduce the number of times a routing information table has to be updated.

Description

Method and device for updating routing information table based on monitored device Technical field

The present invention relates to the field of Internet of Things technologies, and in particular, to a method and device for updating a routing information table based on a monitored device.

Background technique

In the IoT architecture, the data content for the monitored equipment (such as irrigation equipment, engine equipment, etc.) and the reporting of the Internet of Things data including the data content are important components in the network topology of the Internet of Things architecture. The information about the newly-launched terminal device (such as the device identifier of the terminal device) needs to be updated in time to the edge routing node covering the newly-launched terminal device to add the newly-launched terminal device to the network of the Internet of Things architecture. In the road topology. In practical applications, whenever there is a new online terminal device in the wireless coverage of the edge routing node, the edge routing node needs to update the pre-generated routing information table according to the newly-launched terminal device, which leads to frequent update of the routing information table. The problem.

Summary of the invention

The embodiment of the invention discloses a method and a device for updating a routing information table based on a monitored device, which can update the routing information table of the edge routing node according to the actual needs of the aggregation unit, and reduce the number of updates of the routing information table.

The first aspect of the embodiment of the present invention discloses a method for updating a routing information table based on a monitored device, where the method includes:

The edge routing node receives an indication message sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type;

The edge routing node listens to the massive IoT data reported by the mass terminal device in the wireless coverage area, and the IoT data includes the device type of the monitored device monitored by the terminal device that reports the Internet of Things data, The data content collected by the terminal device for the monitored device and the device identifier of the terminal device;

When the device identifier of the terminal device included in the massive Internet of Things data is not stored in the plurality of Internet of Things data in the pre-generated routing information table, the edge routing node determines whether the plurality of Internet of Things data exists. The device type of the monitored device included is at least one of the target device types The IoT data, when it is determined that the at least one Internet of Things data exists in the plurality of Internet of Things data, adding the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table, when When it is determined that the at least one Internet of Things data does not exist in the plurality of Internet of Things data, the control does not update the routing information table.

As an optional implementation manner, in the first aspect of the embodiment of the present invention, after determining that the at least one Internet of Things data exists in the plurality of Internet of Things data, and the routing edge node is to be the at least one Before the device identifier of the terminal device included in the Internet of Things data is added to the routing information table, the method further includes:

The edge routing node determines whether the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, and determines the at least one When the data content included in each of the Internet of Things data in the Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, triggering execution of the terminal device included in the at least one Internet of Things data The device identification is added to the operation in the routing information table.

As an optional implementation manner, in the first aspect of the embodiment of the present invention, determining, in the at least one Internet of Things data, that the data content included in each Internet of Things data corresponds to the device type included in the Internet of Things data After the preset data content is matched, and the routing edge node adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table, the method further includes:

The edge routing node determines whether there is a passing terminal device in the terminal device that reports the at least one Internet of Things data, and when it is determined that the terminal device that reports the at least one Internet of Things data does not exist in the terminal device, And triggering an operation of adding the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table;

The method further includes:

Determining that the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, and determining that the at least one Internet of Things data is reported When the terminal device is in the terminal device, the edge routing node adds the device identifier of the terminal device except the passing terminal device to the terminal device that reports the at least one Internet of Things data to the route. In the information form.

As an optional implementation manner, in the first aspect of the embodiments of the present invention, the method further includes:

The edge routing node collects all terminals corresponding to the device identifiers stored in the routing information table. The target terminal device of the monitored device for monitoring the target device type reports the reporting frequency of the Internet of Things data, and sends a reporting frequency increase to the terminal device that reports the frequency lower than the preset reporting frequency threshold. instruction.

As an optional implementation manner, in the first aspect of the embodiments of the present invention, the method further includes:

The edge routing node sets, in the routing information table, a reporting priority for the device identifier of the terminal device whose frequency is lower than the preset reporting frequency threshold in the target terminal device, where the reporting frequency is smaller, The higher the priority of the escalation.

The second aspect of the embodiment of the present invention discloses an edge routing node, the edge routing node receiving unit, a listening unit, a determining unit, and a control unit, where:

The receiving unit is configured to receive an indication message that is sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type;

The listening unit is configured to listen to massive Internet of Things data reported by a mass terminal device in a wireless coverage area, and each of the Internet of Things data includes a device of the monitored device monitored by a terminal device that reports the Internet of Things data a type, a data content collected by the terminal device for the monitored device, and a device identifier of the terminal device;

The determining unit is configured to determine, in the plurality of Internet of Things data, that the device identifier of the terminal device included in the massive Internet of Things data is not stored in the plurality of Internet of Things data in the pre-generated routing information table Whether there is at least one Internet of Things data of the device type of the monitored device being the target device type;

The control unit is configured to: when the determining unit determines that the at least one Internet of Things data exists in the plurality of Internet of Things data, add the device identifier of the terminal device included in the at least one Internet of Things data to the In the routing information table, and when the determining unit determines that the at least one Internet of Things data does not exist in the plurality of Internet of Things data, the control does not update the routing information table.

As an optional implementation manner, in the second aspect of the embodiment of the present invention, the determining unit is further configured to: after determining that the at least one Internet of Things data exists in the plurality of Internet of Things data, Before the control unit adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table, determining whether the data content included in each of the Internet of Things data in the at least one Internet of Things data is The preset data content corresponding to the device type included in the Internet of Things data is matched, and when it is determined that the data content included in each of the Internet of Things data in the at least one Internet of Things data is a preset corresponding to the device type included in the Internet of Things data When the data contents match, triggering execution of the at least one of the The device identification of the terminal device included in the Internet of Things data is added to the operation in the routing information table.

As an optional implementation manner, in the second aspect of the embodiment of the present invention, the determining unit is further configured to: determine, in the at least one Internet of Things data, data content included in each Internet of Things data Determining the report office after the preset data content corresponding to the device type included in the Internet of Things data is matched and before the control unit adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table Determining whether there is a passing terminal device in the terminal device of the at least one Internet of Things data, and when it is determined that the terminal device that has passed through the terminal device that reports the at least one Internet of Things data does not exist, triggering the control unit to perform the Adding, to the operation in the routing information table, a device identifier of the terminal device included in the at least one Internet of Things data;

The control unit is further configured to: when the data content included in each of the Internet of Things data in the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, and report the at least one Adding the device identifier of the terminal device other than the passing terminal device to the routing information of the terminal device that reports the at least one Internet of Things data in the terminal device of the Internet of Things data In the table.

As an optional implementation manner, in the second aspect of the embodiments of the present invention, the edge routing node further includes a statistics unit and a sending unit, where:

The statistic unit is configured to collect the reporting frequency of reporting the Internet of Things data of the target terminal device of the monitored device whose device type is the target device type in all the terminal devices corresponding to the device identifier stored in the routing information table. ;

The sending unit is configured to send, according to the reporting frequency of the object network data reported by the target terminal device, the reporting frequency to the terminal device that reports the frequency lower than the preset reporting frequency threshold. Increase the command.

As an optional implementation manner, in the second aspect of the embodiments of the present invention, the edge routing node further includes a setting unit, where:

The setting unit is configured to set a reporting priority for the device identifier of the terminal device whose frequency is lower than the preset reporting frequency threshold in the target terminal device, where the reporting frequency is higher. Small, the set report priority is greater.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

In the embodiment of the present invention, the edge routing node receives the indication message sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type, and listens to the massive end of the wireless coverage. Massive IoT data reported by the end device, each IoT data includes a device type of the monitored device monitored by the terminal device reporting the IoT data, data content collected by the terminal device for the monitored device, and the terminal device The device identifier, when the device identifier of the terminal device included in the massive IoT data is not stored in the plurality of Internet of Things data in the pre-generated routing information table, the edge routing node determines whether the plurality of Internet of Things data exists The device type of the monitored device is at least one Internet of Things data of the target device type, and when it is determined that the at least one Internet of Things data exists in the plurality of Internet of Things data, the device of the terminal device included in the at least one Internet of Things data The identifier is added to the routing information table, and when it is determined that the at least one Internet of Things data does not exist in the plurality of Internet of Things data, the control does not update the routing information table. The embodiment of the present invention can update the device identifier of the terminal device of the target device type that is newly uploaded and monitored by the aggregation unit to the routing information table of the edge routing node according to the actual requirements of the aggregation unit. The number of updates of the routing information table is reduced, thereby reducing the power consumption of the edge routing node.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic diagram of an Internet of Things architecture disclosed in an embodiment of the present invention;

2 is a schematic flowchart of a method for updating a routing information table based on a monitored device according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart diagram of another method for updating a routing information table based on a monitored device according to an embodiment of the present disclosure;

4 is a schematic structural diagram of an edge routing node according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of another edge routing node according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, those skilled in the art do not make creative labor. All other embodiments obtained under the premise are within the scope of the invention.

The embodiment of the invention discloses a method and a device for updating a routing information table based on a monitored device, which can be newly launched according to the actual needs of the convergence unit and the monitored device type of the monitored device is a target device type of interest to the aggregation unit. The device identifier of the terminal device is updated to the routing information table of the edge routing node, which reduces the number of updates of the routing information table, thereby reducing the power consumption of the edge routing node. The details are described below separately.

In order to better understand the embodiments of the present invention, an Internet of Things architecture disclosed in the embodiments of the present invention is first introduced. Please refer to FIG. 1. FIG. 1 is a schematic diagram of an Internet of Things architecture disclosed in an embodiment of the present invention. As shown in FIG. 1 , the IoT architecture may include three layers: a terminal device layer, a routing node layer, and an aggregation layer according to functions. The terminal device layer may include a mass-scale terminal device, such as a hygrometer, a smoke sensor, a ventilation device, a rain sensor, an irrigation valve, etc.; the routing node layer may include a large number of routing nodes connected by a network, and the routing node may include a router. The device, the repeater, the access point, and the like are not limited in the embodiment of the present invention, and in the routing node layer, the routing node capable of directly listening to the Internet of Things data reported by the terminal device in the terminal device layer may also be called an edge routing node. The edge routing node is used to collect the data content of the monitored device in its wireless coverage; the routing node can use any standard networking protocol, and the routing node can implement data parsing between different network standards; the convergence layer can include The filtering gateway and the aggregation unit, wherein the filtering gateway can directly or indirectly communicate with each routing node of the routing node layer through the Internet; the aggregation unit can perform high-level management on each routing node of the routing node layer through the filtering gateway, thereby realizing the data transmission frequency. Network topology and its The control of the networking function; the aggregation unit can not only analyze and make decisions about the Internet of Things data generated by the mass terminal equipment, but also obtain the information or configure the terminal equipment parameters by sending instructions (the data transmission to the terminal equipment at this time); the aggregation unit You can also introduce a variety of services, from big data to social networks, and even from social tools "likes" to weather sharing. In the Internet of Things architecture shown in FIG. 1, each routing node can provide IoT data receiving and receiving services for a mass of terminal devices within its own wireless coverage, wherein each routing node has its own wireless coverage within each terminal device. A wireless communication module can be built in, which enables each routing node to communicate wirelessly with each terminal device within its own wireless coverage via wireless network communication. In the Internet of Things architecture shown in Figure 1, the wireless communication module built into the terminal device can input the upper frequency point 470MHz and the lower frequency point 510MHz during production, so that the wireless communication module can automatically define the communication frequency band as 470MHz ~ 510MHz, It meets the requirements of China's SRRC standard; alternatively, it can also input the upper frequency point of 868MHz and the lower frequency point of 908MHz, so that the wireless communication module can automatically define the communication frequency band. It is 868MHz～908MHz, in line with the European ETSI standard; or, it can input the upper frequency point 918MHz, the lower frequency point is 928MHz, so the wireless communication module can automatically define the communication frequency band as 918MHz~928MHz to meet the requirements of the US FCC standard; Alternatively, the communication frequency band of the wireless communication module may also be defined as conforming to the Japanese ARIB standard or the Canadian IC standard, which is not limited in the embodiment of the present invention. In the Internet of Things architecture shown in FIG. 1, the terminal device can use Frequency Division Multiple Access (FDMA), Frequency-Hopping Spread Spectrum (FHSS), and Dynamic Time Division Multiple Access (Dynamic Time Division Multiple Access). , DTDMA), and backtracking multiplexing (CSMA) are combined to solve the interference problem.

Embodiment 1

Please refer to FIG. 2. FIG. 2 is a schematic flowchart diagram of a method for updating a routing information table based on a monitored device according to an embodiment of the present invention. As shown in FIG. 2, the method for updating a routing information table based on a monitored device may include the following operations:

201. The edge routing node receives an indication message that is sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type.

In the embodiment of the present invention, the monitored device monitored by the terminal device in the Internet of Things architecture may be divided into monitored devices of different device types according to their functions, or may be divided into terminal devices of different device types according to the device model of the monitored device. The embodiment of the invention is not limited.

In the embodiment of the present invention, the edge routing node receives the indication message that is sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type, and may include:

The edge routing node sends a first interest request including the node identifier of the edge routing node to the filtering gateway, to trigger the filtering gateway to determine, according to the node identifier included in the first interest request, whether the edge routing node is an authorized edge routing node and is determining The result is a second interest request that sends the node identifier including the edge routing node and the gateway identifier of the filtering gateway to the aggregation unit, wherein the first interest request and the second interest request are used to request the aggregation unit to indicate that they are interested The Internet of Things data, wherein after the convergence unit receives the second interest request, the aggregation unit performs identity authentication on the edge routing node and the filtering gateway according to the node identifier and the gateway identifier included in the second interest request, and when the identity authentication is passed An indication message returned to the filtering gateway;

The edge routing node receives the indication message delivered by the filtering gateway, and the indication message is used to indicate that the aggregation unit is interested in the monitored device of the target device type.

In the embodiment of the present invention, the edge routing node sends the node label including the edge routing node to the filtering gateway. The first interest request for knowledge may include:

The edge routing node determines whether the current time is in the update period of the routing information table. When the current time is in the update period of the routing information table, detecting the load value of the wireless port between the edge and the filtering gateway, and determining whether the load value is smaller than The load threshold is specified. If the load threshold is less than the specified load threshold, the first interest request including the node identifier of the edge routing node is sent to the filtering gateway through the wireless port, so that the reliability of the edge forwarding node successfully sending the first interest request can be improved.

202. The edge routing node listens to the massive IoT data reported by the mass terminal device in the wireless coverage area, and each IoT data includes the device type of the monitored device monitored by the terminal device that reports the IoT data, and the terminal device The content of the data collected by the monitored device and the device identifier of the terminal device.

In the embodiment of the present invention, the Internet of Things data detected by the edge routing node is reported by the terminal device in the wireless coverage area by using a local wireless device such as Wi-Fi, Bluetooth, or infrared.

203. When the device identifier of the terminal device included in the massive Internet of Things data is not stored in the plurality of Internet of Things data in the pre-generated routing information table, the edge routing node determines whether the plurality of Internet of Things data is included. The device type of the device to be monitored is at least one IoT data of the target device type. When the determination result in step 203 is YES, step 204 is triggered, and when the determination result in step 203 is negative, step 205 is triggered.

In the embodiment of the present invention, the routing information table stores the device identifier of the terminal device in the wireless coverage of the edge routing node, and may also store the IP address of the terminal device in the wireless coverage range.

204. The edge routing node adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table.

205. The edge routing node controls not updating the routing information table.

In an optional embodiment, the method for updating the routing information table based on the monitored device may further include the following operations:

The edge routing node determines whether the device identifier of the offline terminal device exists in the routing information table. When it is determined that the device identifier of the offline terminal device exists, the device identifier of the offline terminal device is deleted from the routing information table, where offline The terminal device is a terminal device that does not report the IoT data to the edge routing node within a preset time period or reports the terminal device whose IoT data reporting frequency is lower than the preset frequency threshold to the edge routing node, and the offline terminal device can Including the damaged terminal device and/or the terminal device that has been in the long-off state and the device identification has been added to the adjacent routing section Point device of the routing information table.

The optional embodiment can delete the device identifier of the terminal device that has been offline from the routing information table in time, which is beneficial to the instant update of the Internet of Things topology in the Internet of Things architecture.

In another optional embodiment, when the determination result of step 203 is YES and before the triggering execution step 204, the method for updating the routing information table based on the monitored device may further include the following operations:

The edge routing node determines whether the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, and determines the at least one Internet of Things data. When the data content of each IoT data is matched with the preset data content corresponding to the device type included in the Internet of Things data, step 204 is performed;

When it is determined that the data content unevenness included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, the edge routing node sets the at least one Internet of Things data The device identifier of the terminal device included in the Internet of Things data included in the data content and the preset data content corresponding to the device type included in the Internet of Things data is added to the routing information table. This is beneficial to improve the accuracy of routing information table updates.

It can be seen that the method for updating the routing information table based on the monitored device described in FIG. 2 can set the device type of the newly monitored device monitored device type to the terminal device of the device type of interest to the convergence unit according to the actual needs of the convergence unit. The routing information table updated to the edge routing node reduces the number of updates of the routing information table, thereby reducing the power consumption of the edge routing node.

Embodiment 2

Please refer to FIG. 3. FIG. 3 is a schematic flowchart diagram of another method for updating a routing information table based on a monitored device according to an embodiment of the present invention. As shown in FIG. 3, the method for updating the routing information table based on the monitored device may include the following operations:

301. The edge routing node receives an indication message that is sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type.

In the embodiment of the present invention, the monitored device monitored by the terminal device in the Internet of Things architecture may be divided into monitored devices of different device types according to their functions, or may be divided into terminal devices of different device types according to the device model of the monitored device. The embodiment of the invention is not limited.

302. The edge routing node listens to the massive IoT data reported by the mass terminal device in the wireless coverage area, and each IoT data includes the device type of the monitored device monitored by the terminal device that reports the IoT data, and the terminal device Data content collected by the monitored device and the terminal device The device identification at the location.

303. When the device identifier of the terminal device included in the massive Internet of Things data is not stored in the plurality of Internet of Things data in the pre-generated routing information table, the edge routing node determines whether the plurality of Internet of Things data is included. The device type of the device to be monitored is at least one IoT data of the target device type. When the determination result in step 303 is YES, step 304 is triggered, and when the result of step 303 is negative, step 307 is triggered.

304. The edge routing node determines whether there is a passing terminal device in the terminal device that reports the at least one Internet of Things data. When the determination result in step 304 is negative, step 305 is triggered, and when the determination result in step 304 is YES, the trigger is triggered. Go to step 306.

In the embodiment of the present invention, the edge routing node may determine, by the terminal device that reports the at least one Internet of Things data, that the terminal device that has passed through may include:

The edge routing node sends a query request to the neighboring routing node in the wireless coverage area, where the query request is used to request the neighboring routing node to query whether the at least one Internet of Things data is reported in the routing information table stored by the neighboring routing node. a device identifier of one of the terminal devices in the terminal device;

The edge routing node receives the query response returned by the neighboring routing node, and when one of the query responses indicates that the routing information table stored by the corresponding neighboring routing node stores one of the terminal devices that report the at least one Internet of Things data When the device is identified, it is determined that there is a terminal device that has passed through the terminal device that reports the at least one Internet of Things data, and any one of the query responses indicates that the at least one Internet of Things is not stored in the routing information table stored by the corresponding neighboring routing node. When the device identifier of any one of the terminal devices of the data is determined, it is determined that there is no passing terminal device in the terminal device that reports the at least one Internet of Things data.

305. The edge routing node adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table.

306. The edge routing node adds, to the foregoing routing information table, a device identifier of the terminal device except the terminal device that has passed through the terminal device that reports the at least one Internet of Things data.

307. The edge routing node controls not updating the routing information table.

In an optional embodiment, when the determination result of step 303 is YES and before the triggering execution step 304, the method for updating the routing information table based on the monitored device may further include the following operations:

The edge routing node determines whether the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, when determining When the data content included in each of the at least one Internet of Things data is matched with the preset data content corresponding to the device type included in the Internet of Things data, step 304 is triggered;

When it is determined that the data content unevenness included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, the edge routing node sets the at least one Internet of Things data The device identifier of the terminal device included in the Internet of Things data included in the data content and the preset data content corresponding to the device type included in the Internet of Things data is added to the routing information table. This is beneficial to improve the accuracy of routing information table updates.

Further optionally, when it is determined that the data content unevenness included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, the edge routing node The adding, to the routing information table, the device identifier of the terminal device included in the Internet of Things data that is included in the at least one Internet of Things data and the preset data content corresponding to the device type that is included in the Internet of Things data may include:

The edge routing node adds the device identifier of the non-passing terminal device included in the Internet of Things data that matches the data content included in the at least one Internet of Things data to the preset data content corresponding to the device type included in the Internet of Things data to the routing information. In the table.

In another optional embodiment, the method for updating the routing information table based on the monitored device may further include the following operations:

The edge routing node determines whether the device identifier of the offline terminal device exists in the routing information table. When it is determined that the device identifier of the offline terminal device exists, the device identifier of the offline terminal device is deleted from the routing information table, where offline The terminal device is a terminal device that does not report the IoT data to the edge routing node within a preset time period or reports the terminal device whose IoT data reporting frequency is lower than the preset frequency threshold to the edge routing node, and the offline terminal device can A terminal device that includes a damaged terminal device and/or a terminal device and/or device identification that has been in a long-term shutdown state has been added to a routing information table of a neighboring routing node.

The optional embodiment can delete the device identifier of the terminal device that has been offline from the routing information table in time, which is beneficial to the instant update of the Internet of Things topology in the Internet of Things architecture.

In still another optional embodiment, the method for updating the routing information table based on the monitored device may further include the following operations:

The edge routing node counts the target terminal device of the monitored device for monitoring the device type of the target device type in all the terminal devices corresponding to the device identifiers stored in the routing information table. The reporting frequency of the networked data is sent to the terminal device reporting the frequency lower than the preset reporting frequency threshold in the target terminal device. This can increase the reliability of the aggregation unit receiving the data content of the monitored device of interest to it.

In the further optional embodiment, the method for updating the routing information table based on the monitored device may further include the following operations:

The edge routing node sets, in the foregoing routing information table, a reporting priority for the device identifier of the terminal device whose frequency is lower than the preset reporting frequency threshold in the target terminal device, where the reporting frequency is smaller, the set reporting priority is set. The bigger. In this way, when receiving the Internet of Things data reported by the terminal device with a lower reporting frequency, the part of the Internet of Things data can be preferentially reported according to the priority set for the Internet of Things data, or the forwarding path with higher reliability can be selected preferentially for the part of the Internet of Things data. Further, the reliability of the IoT data reported by the aggregation unit to the terminal device that is interested in and reported by the aggregation unit is further improved.

It can be seen that the method for updating the routing information table based on the monitored device described in FIG. 3 can dynamically connect the device type of the monitored device to the target device type of the target device type that is interested in the aggregation unit according to the actual needs of the convergence unit. The device identifier is updated to the routing information table of the edge routing node, which reduces the number of updates of the routing information table, thereby reducing the power consumption of the edge routing node, facilitating the maintenance of the network topology in the Internet of Things architecture, and When the device type of the monitored device is updated, the device identifier of the terminal device of the target device type that is interested in the aggregation unit is updated to the routing information table of the edge routing node, and the temporarily passing terminal device is automatically filtered, so that the routing information table can be further reduced. The number of updates and what needs to be updated.

Embodiment 3

Referring to FIG. 4, FIG. 4 is a schematic structural diagram of an edge routing node according to an embodiment of the present invention. As shown in FIG. 4, the edge routing node 400 can include a receiving unit 401, a listening unit 402, a determining unit 403, and a control unit 404, where:

The receiving unit 401 is configured to receive an indication message that is sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type.

The listening unit 402 is configured to listen to the massive Internet of Things data reported by the mass terminal device in the wireless coverage of the edge routing node 400. Each IoT data may include the device of the monitored device monitored by the terminal device that reports the Internet of Things data. The type, the data content collected by the terminal device for the monitored device, and the device identifier of the terminal device.

The determining unit 403 is configured to: when the foregoing mass Internet of Things data exists, the device identifier of the terminal device included When the plurality of Internet of Things data is not stored in the pre-generated routing information table, it is determined whether the device type of the monitored device included in the plurality of Internet of Things data is at least one Internet of Things data of the target device type.

The control unit 404 is configured to: when the determining unit 403 determines that the at least one Internet of Things data exists in the plurality of Internet of Things data, add the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table, and When the determining unit 403 determines that the at least one Internet of Things data does not exist in the plurality of Internet of Things data, the control unit 403 controls not to update the routing information table.

It can be seen that the edge routing node 400 described in FIG. 4 can update the device identifier of the newly-on-line and monitored device type of the monitored device to the target device type of the target device type that is interested in the aggregation unit according to the actual needs of the aggregation unit. The routing information table of the edge routing node reduces the number of updates of the routing information table, thereby reducing the power consumption of the edge routing node.

In an optional embodiment, the determining unit 403 is further configured to determine whether the device identifier of the offline terminal device exists in the routing information table, where the offline terminal device does not route to the edge within a preset time period. The terminal device that reports the Internet of Things data to the node 400 or reports to the edge routing node 400 that the reporting frequency of the Internet of Things data is lower than the preset frequency threshold, and the offline terminal device may include the damaged terminal device and/or is already in the long The terminal device in the time-off state and the device identifier have been added to the terminal device of the routing information table of the neighboring routing node.

The control unit 404 is further configured to: when the determining unit 403 determines that the device identifier of the offline terminal device exists, delete the device identifier of the offline terminal device from the routing information table.

It can be seen that the edge routing node 400 described in FIG. 4 can delete the device identifier of the terminal device that is already offline in the routing information table in time, which is beneficial to the maintenance of the Internet of Things topology in the Internet of Things architecture.

In another optional embodiment, the determining unit 403 is further configured to: after determining that the at least one Internet of Things data exists in the plurality of Internet of Things data, and at the control unit 404, the terminal included in the at least one Internet of Things data Before the device identifier of the device is added to the routing information table, determining whether the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, When it is determined that the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, the trigger control unit 404 performs the foregoing at least one object The device identification of the terminal device included in the networked data is added to the operation in the above routing information table.

The control unit 404 is further configured to: when the foregoing plurality of Internet of Things data exists, the at least one Internet of Things And data included in the at least one Internet of Things data when the data and the data content unevenness included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data The device identifier of the terminal device included in the Internet of Things data whose content matches the preset data content corresponding to the device type included in the Internet of Things data is added to the routing information table.

In the optional embodiment, the determining unit 403 is further configured to: when determining that the data content included in each of the Internet of Things data in the at least one Internet of Things data is included with the Internet of Things data Determining the terminal reporting the at least one Internet of Things data after the matching of the preset data content corresponding to the device type and before the control unit 404 adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table Whether there is a passing terminal device in the device. When it is determined that there is no passing terminal device in the terminal device reporting the at least one Internet of Things data, the trigger control unit 404 performs the foregoing device for the terminal device included in the at least one Internet of Things data. The action added to the routing information table above.

The control unit 404 is further configured to: when the data content included in each of the at least one Internet of Things data includes the preset data content corresponding to the device type included in the Internet of Things data, and report the at least one Internet of Things data. When the terminal device that passes the above is present in the terminal device, the device identifier of the terminal device other than the terminal device that has passed through the terminal device that reports the at least one Internet of Things data is added to the routing information table.

It can be seen that the edge routing node 400 implemented in FIG. 4 can also filter out the newly-routed terminal devices, and reduce the update content of the edge routing node 400 when updating the routing information table.

Further, the edge routing node 400 may further include a statistic unit 405 and a sending unit 406. Further, optionally, the setting unit 407 may further include a setting unit 407. As shown in FIG. 5, FIG. 5 is a schematic structural diagram of another edge routing node according to an embodiment of the present invention. among them:

The statistic unit 405 is configured to report the reporting frequency of reporting the Internet of Things data to the target terminal device of the monitored device whose device type is the target device type in all the terminal devices corresponding to the device identifiers stored in the routing information table.

The sending unit 406 is configured to send, according to the reporting frequency of the target terminal device, the reporting terminal, a reporting frequency up-control command to the terminal device whose frequency is lower than the preset reporting frequency threshold.

The setting unit 407 is configured to report, in the foregoing routing information table, that the reporting frequency is lower than the target terminal device. The device identifier of the terminal device that reports the frequency threshold is set to report the priority. The smaller the reporting frequency is, the larger the priority of the report is.

It can be seen that the edge routing node 400 implemented in FIG. 5 can report and report the terminal device that reports the uplink of the Internet of Things data to the terminal device of the monitored device whose device type is the target device type that is of interest to the aggregation unit. The frequency up-regulation command sets a high reporting priority for the device identification of these terminal devices, which improves the reliability of the data content received by the aggregation unit for the monitored device of interest.

One of ordinary skill in the art can understand that all or part of the various methods of the above embodiments can be completed by a program to instruct related hardware, the program can be stored in a computer readable storage medium, and the storage medium includes read only Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read Only Memory (Erasable Programmable Read Only Memory) EPROM), One-Time Programmable Read-Only Memory (OTPROM), Electronically-Erasable Programmable Read-Only Memory (EEPROM), Read-Only Disc (Compact Disc) Read-Only Memory (CD-ROM) or other optical disc storage, disk storage, magnetic tape storage, or any other medium readable by a computer that can be used to carry or store data.

The method and device for updating the routing information table based on the monitored device are disclosed in detail in the above embodiments of the present invention. The principles and implementation manners of the present invention are described in the specific examples. The description of the above embodiments is only The method for understanding the present invention and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in specific embodiments and application scopes. The description should not be construed as limiting the invention.

Claims (10)

A method for updating a routing information table based on a monitored device, the method comprising: The edge routing node receives an indication message sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type; The edge routing node listens to the massive IoT data reported by the mass terminal device in the wireless coverage area, and the IoT data includes the device type of the monitored device monitored by the terminal device that reports the Internet of Things data, The data content collected by the terminal device for the monitored device and the device identifier of the terminal device; When the device identifier of the terminal device included in the massive Internet of Things data is not stored in the plurality of Internet of Things data in the pre-generated routing information table, the edge routing node determines whether the plurality of Internet of Things data exists. The device type of the monitored device is at least one Internet of Things data of the target device type, and when the at least one Internet of Things data is determined to be present in the plurality of Internet of Things data, the at least one Internet of Things data is The device identifier of the included terminal device is added to the routing information table, and when it is determined that the at least one Internet of Things data does not exist in the plurality of Internet of Things data, the control does not update the routing information table. The method for updating a routing information table based on a monitored device according to claim 1, wherein after determining that the at least one Internet of Things data exists in the plurality of Internet of Things data, and the routing edge node Before the device identifier of the terminal device included in the at least one Internet of Things data is added to the routing information table, the method further includes: The edge routing node determines whether the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, and determines the at least one When the data content included in each of the Internet of Things data in the Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, triggering execution of the terminal device included in the at least one Internet of Things data The device identification is added to the operation in the routing information table. The method for updating a routing information table based on a monitored device according to claim 2, wherein determining that the data content included in each of the Internet of Things data in the at least one Internet of Things data is included in the Internet of Things data After the preset data content corresponding to the device type is matched, and the routing edge node adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table, the method further includes: The edge routing node determines whether there is a passing terminal device in the terminal device that reports the at least one Internet of Things data, and when it is determined that the terminal device that reports the at least one Internet of Things data does not exist in the terminal device, And triggering an operation of adding the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table; The method further includes: Determining that the data content included in each of the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, and determining that the at least one Internet of Things data is reported When the terminal device is in the terminal device, the edge routing node adds the device identifier of the terminal device except the passing terminal device to the terminal device that reports the at least one Internet of Things data to the route. In the information form. The method for updating a routing information table based on a monitored device according to any one of claims 1 to 3, wherein the method further comprises: The edge routing node counts the reporting frequency of reporting the Internet of Things data of the target terminal device of the monitored device of the target device type in all the terminal devices corresponding to the device identifiers in the routing information table, and reports the reporting frequency to the The terminal device that reports the frequency lower than the preset reporting frequency threshold in the target terminal device sends a reporting frequency upward adjustment command. The method for updating a routing information table based on a monitored device according to claim 4, wherein the method further comprises: The edge routing node sets, in the routing information table, a reporting priority for the device identifier of the terminal device whose frequency is lower than the preset reporting frequency threshold in the target terminal device, where the reporting frequency is smaller, The higher the priority of the escalation. An edge routing node, the edge routing node includes a receiving unit, a listening unit, a determining unit, and a control unit, where: The receiving unit is configured to receive an indication message that is sent by the filtering gateway to indicate that the aggregation unit is interested in the monitored device of the target device type; The listening unit is configured to listen to massive Internet of Things data reported by a mass terminal device in a wireless coverage area, and each of the Internet of Things data includes a device of the monitored device monitored by a terminal device that reports the Internet of Things data a type, a data content collected by the terminal device for the monitored device, and a device identifier of the terminal device; The determining unit is configured to: when the mass Internet of Things data exists, a device identifier of the terminal device included And determining, when the plurality of Internet of Things data is not stored in the pre-generated routing information table, determining whether the device type of the monitored device included in the plurality of Internet of Things data is at least one Internet of Things data of the target device type ; The control unit is configured to: when the determining unit determines that the at least one Internet of Things data exists in the plurality of Internet of Things data, add the device identifier of the terminal device included in the at least one Internet of Things data to the In the routing information table, and when the determining unit determines that the at least one Internet of Things data does not exist in the plurality of Internet of Things data, the control does not update the routing information table. The edge routing node according to claim 6, wherein the determining unit is further configured to: after determining that the at least one Internet of Things data exists in the plurality of Internet of Things data, and in the control unit Determining whether the data content included in each of the Internet of Things data in the at least one Internet of Things data and the Internet of Things data is included before the device identifier of the terminal device included in the at least one Internet of Things data is added to the routing information table The preset data content corresponding to the device type is matched, and when it is determined that the data content included in each of the Internet of Things data in the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data And triggering, by the control unit, the operation of adding the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table. The edge routing node according to claim 7, wherein the determining unit is further configured to: determine, in the at least one Internet of Things data, that data content included in each Internet of Things data is included with the Internet of Things data After the matching of the preset data content corresponding to the device type and before the control unit adds the device identifier of the terminal device included in the at least one Internet of Things data to the routing information table, determining to report the at least one object Whether there is a passing terminal device in the terminal device of the networked data, and when it is determined that the terminal device that passes the at least one IoT data is not present, the control unit is triggered to perform the at least the said terminal device An operation in which the device identifier of the terminal device included in the Internet of Things data is added to the routing information table; The control unit is further configured to: when the data content included in each of the Internet of Things data in the at least one Internet of Things data matches the preset data content corresponding to the device type included in the Internet of Things data, and report the at least one Adding the device identifier of the terminal device other than the passing terminal device to the routing information of the terminal device that reports the at least one Internet of Things data in the terminal device of the Internet of Things data In the table. An edge routing node according to any one of claims 6-8, wherein the edge The routing node also includes a statistical unit and a sending unit, where: The statistic unit is configured to collect the reporting frequency of reporting the Internet of Things data of the target terminal device of the monitored device whose device type is the target device type in all the terminal devices corresponding to the device identifier stored in the routing information table. ; The sending unit is configured to send, according to the reporting frequency of the object network data reported by the target terminal device, the reporting frequency to the terminal device that reports the frequency lower than the preset reporting frequency threshold. Increase the command. The edge routing node according to claim 9, wherein the edge routing node further comprises a setting unit, wherein: The setting unit is configured to set a reporting priority for the device identifier of the terminal device whose frequency is lower than the preset reporting frequency threshold in the target terminal device, where the reporting frequency is higher. Small, the set report priority is greater.

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