CN107360097B - Internet of things routing table updating method and system combining convergence unit information - Google Patents
Internet of things routing table updating method and system combining convergence unit information Download PDFInfo
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- CN107360097B CN107360097B CN201710463233.9A CN201710463233A CN107360097B CN 107360097 B CN107360097 B CN 107360097B CN 201710463233 A CN201710463233 A CN 201710463233A CN 107360097 B CN107360097 B CN 107360097B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The embodiment of the invention discloses a method and a system for updating a routing table of the Internet of things by combining information of a convergence unit, wherein the method comprises the following steps: the convergence unit issues routing table updating indication information to the access node of the Internet of things; the method comprises the steps that an access node of the Internet of things monitors terminal equipment in a wireless network coverage range of the access node of the Internet of things, determines that the terminal equipment in an online state is used as online terminal equipment, combines a main routing table of the access node of the Internet of things, determines that routing information is recorded in the main routing table but not in the online state and is used as offline terminal equipment, obtains basic information of the offline terminal equipment, judges whether the basic information is matched with interesting information of a gathering unit, starts offline timing to obtain offline duration of the offline terminal equipment if the basic information is matched with the interesting information of the gathering unit, judges whether the offline duration meets preset duration or not, and deletes the routing information of the offline terminal equipment in the main routing table for a long time if the offline; and the routing table of the Internet of things is updated by combining the interest information of the convergence unit.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a method and a system for updating a routing table of the Internet of things by combining information of a convergence unit.
Background
The Internet of Things (Internet of Things, abbreviated as IOT) technology is gradually widely applied to industrial monitoring, smart home, agricultural production and the like, and intelligent identification, positioning, tracking, monitoring and management of articles are realized by using radio frequency identification devices, infrared sensors, global positioning systems, laser scanners and other Internet of Things terminal devices. The terminal equipment simply broadcasts a small amount of data information or listens the data information directly sent to the terminal equipment, the data information can also be called as dummy equipment, the terminal equipment is accessed to the Internet of things through the access node of the Internet of things, the collected data information is reported to the aggregation unit, and the aggregation unit analyzes and processes the data information generated by the terminal equipment. The routing table is a basis for forwarding data information by the access node of the internet of things, plays a crucial role in positioning, monitoring, managing and the like of the internet of things, and is also optimized in the field to meet higher requirements of users on the internet of things.
Disclosure of Invention
The embodiment of the invention discloses a method and a system for updating an Internet of things routing table by combining information of a convergence unit, which are used for updating the Internet of things routing table.
The invention discloses a method for updating a routing table of the Internet of things by combining information of a convergence unit, which comprises the following steps:
the method comprises the steps that a convergence unit issues routing table updating indication information to an access node of the Internet of things, wherein the routing table updating indication information comprises interest information of the convergence unit, and the interest information comprises interest position information of the convergence unit or interest equipment types of the convergence unit;
the access node of the Internet of things monitors the terminal equipment within the coverage range of the wireless network of the access node of the Internet of things so as to determine the terminal equipment in an online state as the online terminal equipment;
the Internet of things access node determines terminal equipment with routing information recorded in the main routing table but not in an online state as offline terminal equipment according to the online terminal equipment and the main routing table of the Internet of things access node;
the access node of the internet of things acquires basic information of the offline terminal equipment and judges whether the basic information of the offline terminal equipment matches the information of interest of the convergence unit or not, wherein the basic information of the offline terminal equipment comprises position information of the offline terminal equipment or equipment type of the offline terminal equipment;
when the access node of the Internet of things determines that the basic information of the off-line terminal equipment matches the interesting information of the convergence unit, starting off-line timing to obtain the off-line duration of the off-line terminal equipment;
the Internet of things access node judges whether the offline duration meets a preset duration or not;
and deleting the routing information of the offline terminal equipment in the main routing table when the access node of the Internet of things determines that the offline duration meets the preset duration.
As an optional implementation manner, in the first aspect of the present invention, the internet of things access node determines, according to a main routing table of the online terminal device and the internet of things access node, a terminal device whose routing information is recorded in the main routing table but is not in an online state, and after the terminal device is taken as an offline terminal device, the method further includes:
the Internet of things access node determines online terminal equipment of which the routing information is not recorded in the main routing table according to the online terminal equipment and the main routing table of the Internet of things access node, and the online terminal equipment is used as terminal equipment to be added in the wireless network coverage range of the Internet of things access node;
the access node of the Internet of things acquires the basic information of the terminal equipment to be added and judges whether the basic information of the terminal equipment to be added matches the information of interest of the convergence unit; the basic information of the terminal equipment to be added comprises the position information of the terminal equipment to be added or the equipment type of the terminal equipment to be added;
and when the access node of the internet of things determines that the basic information of the terminal equipment to be added matches the interesting information of the convergence unit, adding the routing information of the terminal equipment to be added into the main routing table.
As an optional implementation manner, in the first aspect of the present invention, the internet of things access node listens to the terminal device within a coverage area of its own wireless network to determine the terminal device in an online state, and after the terminal device is used as an online terminal device, the method further includes:
the access node of the Internet of things receives data information sent by the online terminal equipment within the coverage range of the wireless network of the access node of the Internet of things, wherein the data information carries position information of the online terminal equipment or the equipment type of the online terminal equipment;
the Internet of things access node determines whether the main routing table records the routing information of the online terminal equipment or not according to the online terminal equipment and the main routing table of the Internet of things access node;
when the access node of the internet of things determines that the main routing table does not record the routing information of the online terminal equipment, judging whether the data information is matched with the interesting information of the convergence unit or not;
and when the access node of the Internet of things determines that the data information matches the interesting information of the convergence unit, adding the routing information of the online terminal equipment into the main routing table.
As an alternative implementation, in the first aspect of the present invention, the method further includes:
and when the access node of the internet of things determines that the basic information of the off-line terminal equipment does not match the interesting information of the convergence unit, deleting the routing information of the off-line terminal equipment in the main routing table.
As an alternative implementation, in the first aspect of the present invention, the method further includes:
when the Internet of things access node determines that the data information does not match the interesting information of the convergence unit, judging whether a slave routing table of the Internet of things access node records the routing information of the online terminal equipment or not;
and when the access node of the internet of things determines that the routing information of the online terminal equipment is not recorded in the slave routing table, adding the routing information of the online terminal equipment in the slave routing table.
The second aspect of the present invention discloses an internet of things routing table updating system combining aggregation unit information, which may include:
the device comprises a gathering unit and a control unit, wherein the gathering unit is used for issuing routing table updating indication information to an access node of the Internet of things, the routing table updating indication information comprises interest information of the gathering unit, and the interest information comprises interest position information of the gathering unit or interest equipment type of the gathering unit;
the Internet of things access node is used for monitoring the terminal equipment within the coverage range of a wireless network of the Internet of things access node so as to determine the terminal equipment in an online state as the online terminal equipment;
the internet of things access node is also used for determining terminal equipment with routing information recorded in the main routing table but not in an online state as offline terminal equipment according to the online terminal equipment and the main routing table of the internet of things access node;
the internet of things access node is further used for acquiring basic information of the offline terminal equipment and judging whether the basic information of the offline terminal equipment matches the information of interest of the convergence unit, wherein the basic information of the offline terminal equipment comprises position information of the offline terminal equipment or equipment type of the offline terminal equipment;
the Internet of things access node is further used for starting offline timing to obtain offline duration of the offline terminal equipment when it is determined that the basic information of the offline terminal equipment matches the information of interest of the aggregation unit;
the Internet of things access node is also used for judging whether the offline duration meets a preset duration or not;
the internet of things access node is further used for deleting the routing information of the offline terminal device in the main routing table when the fact that the offline duration meets the preset duration is determined.
As an optional implementation manner, in the second aspect of the present invention, the internet of things access node is further configured to determine, according to a main routing table of the online terminal device and the internet of things access node, a terminal device whose routing information is recorded in the main routing table but is not in an online state, and after the terminal device is used as an offline terminal device, determine, according to the main routing table of the online terminal device and the internet of things access node, an online terminal device whose routing information is not recorded in the main routing table, and use the online terminal device as a terminal device to be added in a wireless network coverage area of the internet of things access node itself; acquiring basic information of the terminal equipment to be added, and judging whether the basic information of the terminal equipment to be added matches the interesting information of the convergence unit; the basic information of the terminal equipment to be added comprises the position information of the terminal equipment to be added or the equipment type of the terminal equipment to be added; and when it is determined that the basic information of the terminal device to be added matches the information of interest of the convergence unit, adding the routing information of the terminal device to be added in the main routing table.
As an optional implementation manner, in the second aspect of the present invention, the access node of the internet of things is further configured to monitor a terminal device within a coverage area of its own wireless network, so as to determine the terminal device in an online state, and receive data information sent by the online terminal device within the coverage area of its own wireless network after serving as the online terminal device, where the data information carries location information of the online terminal device or a device type of the online terminal device; determining whether the main routing table records the routing information of the online terminal equipment or not according to the main routing table of the online terminal equipment and the access node of the Internet of things; when the main routing table is determined not to be recorded with the routing information of the online terminal equipment, judging whether the data information is matched with the interesting information of the convergence unit; and when the data information is determined to be matched with the interesting information of the convergence unit, adding the routing information of the online terminal equipment into the main routing table.
As an optional implementation manner, in the second aspect of the present invention, the access node of the internet of things is further configured to delete the routing information of the offline terminal device in the main routing table when it is determined that the basic information of the offline terminal device does not match the information of interest of the aggregation unit.
As an optional implementation manner, in the second aspect of the present invention, the access node of the internet of things is further configured to determine whether a slave routing table of the access node of the internet of things records routing information of the online terminal device when it is determined that the data information does not match the information of interest of the aggregation unit; and when the fact that the on-line terminal equipment routing information is not recorded in the slave routing table is determined, adding the routing information of the on-line terminal equipment in the slave routing table.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, the aggregation unit sends the routing table updating indication information to the access node of the internet of things, wherein the routing table updating indication information comprises the interest information of the aggregation unit, and the interest information comprises the interest position information of the aggregation unit or the interest equipment type of the aggregation unit. And then, the access node of the Internet of things monitors the terminal equipment within the coverage range of the wireless network of the access node of the Internet of things so as to determine the terminal equipment in an online state as the online terminal equipment. Then, the internet of things access node may determine, according to the determined online terminal device and the main routing table of the internet of things access node, that the routing information is recorded in the main routing table but is not the terminal device of the determined online terminal device, as an offline terminal device, further obtain basic information of the offline terminal device, determine whether the basic information of the offline terminal device matches the information of interest of the aggregation unit, start offline timing to obtain offline duration of the offline terminal device when it is determined that the basic information of the offline terminal device matches the information of interest of the aggregation unit, and further determine whether the offline duration meets the preset duration, and if the preset duration is met, the internet of things access node deletes the routing information of the offline terminal device in the main routing table. It can be seen that, in the embodiment of the present invention, it is determined that the off-line terminal device which is not in the on-line state but has the routing information recorded in the main routing table is the terminal device which is interested by the aggregation unit, and after it is further determined that the off-line terminal device is the terminal device which is interested by the aggregation unit and the off-line duration meets the preset duration, the routing information of the off-line terminal device is deleted from the main routing table, so as to update the routing table of the internet of things in combination with the information which is interested by the aggregation unit, which is beneficial to realizing the screening and collection.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed 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, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts
Fig. 1 is a schematic diagram of an architecture of an internet of things according to some embodiments of the present invention;
fig. 2 is a schematic flow chart of a method for updating a routing table of the internet of things in combination with information of a convergence unit according to an embodiment of the present invention;
fig. 3 is another schematic flow chart of the method for updating the routing table of the internet of things in combination with the information of the aggregation unit disclosed in the embodiment of the present invention;
fig. 4 is another schematic flow chart of the method for updating the routing table of the internet of things in combination with the information of the aggregation unit disclosed in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of an internet of things routing table updating system combining aggregation unit information disclosed in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, of embodiments of the present invention are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the invention discloses an Internet of things routing table updating method combined with information of a convergence unit, which is used for updating an Internet of things routing table in combination with interesting information of the convergence unit and is beneficial to realizing the screening and collection of data information by the convergence unit. The embodiment of the invention also discloses an Internet of things routing table updating system combined with the information of the convergence unit.
Before the technical scheme of the present invention is introduced, an internet of things architecture disclosed in some embodiments of the present invention is simply introduced, fig. 1 is a schematic view of an internet of things architecture disclosed in some embodiments of the present invention, it should be noted that fig. 1 is only a schematic view of an internet of things architecture disclosed in some embodiments of the present invention, and other schematic views obtained by optimization or deformation based on fig. 1 all belong to the protection scope of the present invention, which is not exemplified herein. The internet of things architecture shown in fig. 1 may include three layers, namely a terminal device layer, an access node layer, and a convergence unit layer, according to functional division. The terminal device layer comprises mass terminal devices located at the edge of the Internet of things, such as a hygrometer, a smoke sensor, a ventilation device, a rainfall sensor, an irrigation valve and the like; the access node layer may include a number of internet of things access nodes that may be interconnected by a network (not all shown in fig. 1). In the access node layer, the access node of the internet of things may be various intermediate devices such as a router and a relay, which is not limited in the embodiment of the present invention. The convergence unit layer can comprise a convergence unit, wherein the convergence unit uses a human-computer interface of crop networking in the architecture of the internet of things, is used for carrying out high-level management on the whole internet of things through an access node of the internet of things, and comprises the steps of collecting data reported by massive terminal equipment within a certain period of time, analyzing and deciding the data, and converting the data into a simple early warning, an abnormal report or a related report required by a user; the convergence unit can also obtain information or configure parameters of the terminal device by sending an instruction (at this time, the transmission of data points to the terminal device); the convergence unit may also introduce various input services, from big data to social networks, even from social tools "like" to weather sharing, etc. In addition, the access node of the Internet of things can use any standard networking protocol, and the access node of the Internet of things can realize data analysis among different network systems; in the internet of things architecture shown in fig. 1, each access node of the internet of things can provide internet of things data transceiving service for massive terminal devices within a coverage area of its own wireless network, wherein each terminal device within the coverage area of its own wireless network of each access node of the internet of things can be provided with a wireless communication module in its own wireless network, so that each access node of the internet of things can perform wireless communication with each terminal device within the coverage area of its own wireless network in a wireless network communication manner. In the internet of things architecture shown in fig. 1, when a wireless communication module built in a terminal device is produced, an upper frequency point 470MHz and a lower frequency point 510MHz can be input, so that the wireless communication module can automatically define a communication frequency band as 470 MHz-510 MHz to meet the specification of the SRRC standard in china; or, the upper frequency point 868MHz and the lower frequency point 908MHz can be input, so that the wireless communication module can automatically define the communication frequency band to 868 MHz-908 MHz to meet the provisions of the European ETSI standard; or, an upper frequency point 918MHz and a lower frequency point 928MHz can be input, so that the wireless communication module can automatically define the communication frequency band as 918 MHz-928 MHz to meet the specification of the American FCC standard; alternatively, the communication frequency band of the wireless communication module may be defined to comply with the provisions of the japanese ARIB standard or the canadian IC standard, and the embodiment of the present invention is not limited thereto. In the internet of things architecture shown in fig. 1, the terminal device may adopt a method of combining Frequency Division Multiplexing (FDMA), Frequency-Hopping spread spectrum (FHSS), Dynamic Time Division Multiplexing (DTDMA), and back-off multiplexing (CSMA) to solve the interference problem.
Starting from the internet of things architecture shown in fig. 1, the technical solution of the present invention will be described in detail below with reference to specific embodiments.
Example one
Referring to fig. 2, fig. 2 is a schematic flow chart of a method for updating a routing table of the internet of things in combination with information of a convergence unit according to an embodiment of the present invention; as shown in fig. 2, an internet of things routing table updating method combining aggregation unit information may include:
201. the method comprises the steps that a convergence unit issues routing table updating indication information to an access node of the Internet of things, wherein the routing table updating indication information comprises interesting information of the convergence unit, and the interesting information comprises interesting position information of the convergence unit or interesting equipment types of the convergence unit;
it is understood that, in the embodiment of the present invention, the aggregation unit may indicate that it is more desirous to interact with some terminal devices with specific functions, time periods or geographic locations, and the specific functions, time periods, geographic locations or device types, etc. are collectively referred to as interesting information of the aggregation unit. The gathering unit screens and collects data information collected by the terminal equipment through the interesting information. For example, if the aggregation unit is interested in humidity sensors monitoring all farmlands in four prefectures, the location information of the four prefectures may be used as the interested location information of the aggregation unit or the interested device type using the humidity sensors as the aggregation unit. The aggregation unit can indicate partial Internet of things access nodes of the four prefectures, and is used for preferentially reporting the data information acquired by the humidity sensors to the aggregation unit, and the aggregation unit issues the information of interest to the Internet of things access nodes as the routing table updating indication information, so that the Internet of things access nodes update and maintain the routing tables of the Internet of things access nodes according to the routing table updating indication information, and can preferentially report the data information acquired by the humidity sensors of interest of the aggregation unit to the aggregation unit.
202. The method comprises the steps that an access node of the Internet of things monitors terminal equipment in a wireless network coverage range of the access node so as to determine the terminal equipment in an online state as online terminal equipment;
and after receiving the routing table updating indication information sent by the convergence unit, the access node of the Internet of things updates the routing table according to the routing table updating indication information.
As an optional implementation manner, the access node of the internet of things listens to the terminal device within the coverage area of its own wireless network to determine the terminal device in an online state, and specifically includes, as the online terminal device:
the method comprises the steps that an access node of the Internet of things monitors heartbeat data packets sent by terminal equipment within the coverage range of a wireless network of the access node, and the terminal equipment which sends the heartbeat data packets within the coverage range of the wireless network of the access node is used as online terminal equipment; or
The access node of the internet of things sends a broadcast message in the coverage range of a wireless network of the access node, receives a response message of terminal equipment in the coverage range of the wireless network of the access node to the broadcast message, and takes the terminal equipment responding to the broadcast message in the coverage range of the wireless network of the access node as online terminal equipment.
203. The Internet of things access node determines terminal equipment of which the routing information is recorded in the main routing table but is not in an online state as offline terminal equipment according to the online terminal equipment and the main routing table of the Internet of things access node;
in this step, from the online terminal device determined in step 202, a terminal device which is an online terminal device of the wireless network coverage of the access node of the internet of things itself but has no routing information recorded in the main routing table is determined and regarded as an offline terminal device.
204. The method comprises the steps that an access node of the Internet of things acquires basic information of an offline terminal device and judges whether the basic information of the offline terminal device matches information of interest of a convergence unit or not, wherein the basic information of the offline terminal device comprises position information of the offline terminal device or a device type of the offline terminal device;
as an optional implementation manner, the access node of the Internet of things obtains an Internet Protocol Address (IP for short) of the offline terminal device from the main routing table, and then searches for basic information of the offline terminal device from a terminal device information table managed by the access node of the Internet of things according to the IP Address.
When it is determined that the basic information of the offline terminal device matches the information of interest of the aggregation unit, the process goes to step 205.
205. When the access node of the Internet of things determines that basic information of the offline terminal equipment matches the interesting information of the convergence unit, starting offline timing to obtain offline duration of the offline terminal equipment;
206. the access node of the Internet of things judges whether the offline duration meets the preset duration or not;
if the offline time length meets the preset time length, turning to step 207; and if the off-line time does not meet the preset time, ending the process.
207. And the access node of the Internet of things deletes the routing information of the offline terminal equipment in the main routing table.
In the embodiment of the invention, the aggregation unit sends the routing table updating indication information to the access node of the internet of things, wherein the routing table updating indication information comprises the interest information of the aggregation unit, and the interest information comprises the interest position information of the aggregation unit or the interest equipment type of the aggregation unit. And then, the access node of the Internet of things monitors the terminal equipment within the coverage range of the wireless network of the access node of the Internet of things so as to determine the terminal equipment in an online state as the online terminal equipment. Then, the internet of things access node may determine, according to the determined online terminal device and the main routing table of the internet of things access node, that the routing information is recorded in the main routing table but is not the terminal device of the determined online terminal device, as an offline terminal device, further obtain basic information of the offline terminal device, determine whether the basic information of the offline terminal device matches the information of interest of the aggregation unit, start offline timing to obtain offline duration of the offline terminal device when it is determined that the basic information of the offline terminal device matches the information of interest of the aggregation unit, and further determine whether the offline duration meets the preset duration, and if the preset duration is met, the internet of things access node deletes the routing information of the offline terminal device in the main routing table. It can be seen that, in the embodiment of the present invention, it is determined that the off-line terminal device which is not in the on-line state but has the routing information recorded in the main routing table is the terminal device which is interested by the aggregation unit, and after it is further determined that the off-line terminal device is the terminal device which is interested by the aggregation unit and the off-line duration meets the preset duration, the routing information of the off-line terminal device is deleted from the main routing table, so as to update the routing table of the internet of things in combination with the information which is interested by the aggregation unit, which is beneficial to realizing the screening and collection.
Example two
Referring to fig. 3, fig. 3 is another schematic flow chart of a method for updating a routing table of the internet of things in combination with information of a convergence unit according to an embodiment of the present invention; as shown in fig. 3, a method for updating a routing table of an internet of things in combination with aggregation unit information may include:
301. the method comprises the steps that a convergence unit issues routing table updating indication information to an access node of the Internet of things, wherein the routing table updating indication information comprises interesting information of the convergence unit, and the interesting information comprises interesting position information of the convergence unit or interesting equipment types of the convergence unit;
as an optional implementation manner, before the aggregation unit issues routing table update indication information to the internet of things access node, the aggregation unit receives a routing table update request sent by the internet of things access node, where the routing table update request includes an identity of the internet of things access node; after receiving the routing table updating request, the aggregation unit extracts the identity of the access node of the internet of things from the routing table updating request, verifies whether the access node of the internet of things corresponding to the identity is a legal node or not, and if not, ends the flow; if yes, the convergence unit issues routing table updating indication information to the access node of the Internet of things.
302. The method comprises the steps that an access node of the Internet of things monitors terminal equipment in a wireless network coverage range of the access node so as to determine the terminal equipment in an online state as online terminal equipment;
after step 302 is performed, the process goes to step 303 or 304, as will be explained below.
303. The Internet of things access node determines terminal equipment of which the routing information is recorded in the main routing table but is not in an online state as offline terminal equipment according to the online terminal equipment and the main routing table of the Internet of things access node;
after step 303 is executed, the process proceeds to step 307.
304. The Internet of things access node determines online terminal equipment of which the routing information is not recorded in a main routing table according to the online terminal equipment and the main routing table of the Internet of things access node, and the online terminal equipment is used as terminal equipment to be added in the wireless network coverage range of the Internet of things access node;
305. the method comprises the steps that an access node of the Internet of things obtains basic information of terminal equipment to be added and judges whether the basic information of the terminal equipment to be added matches information of interest of a convergence unit; the basic information of the terminal equipment to be added comprises the position information of the terminal equipment to be added or the equipment type of the terminal equipment to be added;
if it is determined that the basic information of the terminal device to be added matches the information of interest of the aggregation unit, the process goes to step 306. If it is determined that the basic information of the terminal device to be added does not match the information of interest of the aggregation unit, the access node of the internet of things may further detect whether the routing information of the terminal device to be added is recorded in the slave routing table, and if the routing information of the terminal device to be added is recorded in the slave routing table, the flow is ended; if the routing information of the terminal device to be added is not recorded in the slave routing table, the routing information of the terminal device to be added is added in the slave routing table.
It should be noted that the access node of the internet of things may manage two routing tables, which are a master routing table and a slave routing table, respectively, where the master routing table is used to store routing information related to the terminal device matching the information of interest of the aggregation unit, and the slave routing table is used to store routing information of other terminal devices. Based on this, the access node of the internet of things preferentially forwards the data information of the corresponding terminal device in the main routing table. I.e., the master routing table has a higher priority than the slave routing table.
306. The method comprises the steps that the access node of the Internet of things adds route information of terminal equipment to be added into a main route table;
307. the method comprises the steps that an access node of the Internet of things acquires basic information of an offline terminal device and judges whether the basic information of the offline terminal device matches information of interest of a convergence unit or not, wherein the basic information of the offline terminal device comprises position information of the offline terminal device or a device type of the offline terminal device;
if the basic information of the offline terminal device matches the interesting information of the aggregation unit, the process goes to step 308; if the basic information of the offline terminal device does not match the information of interest of the aggregation unit, the process goes to step 310.
308. The access node of the Internet of things starts off-line timing to obtain the off-line duration of the off-line terminal equipment;
309. the access node of the Internet of things judges whether the offline duration meets the preset duration or not;
if the offline time length meets the preset time length, turning to step 310; and if the off-line time does not meet the preset time, ending the process.
310. And the access node of the Internet of things deletes the routing information of the offline terminal equipment in the main routing table.
In the embodiment of the invention, the access node of the internet of things takes the online terminal equipment which is not in the main routing table but belongs to the coverage range of the wireless network as the terminal equipment to be added, and then adds the routing information of the terminal equipment to be added into the main routing table when the position information or the equipment type of the terminal equipment to be added matches the interesting information of the convergence unit; if the position information or the device type of the off-line terminal device is further determined to match the interesting information of the convergence unit, the corresponding routing information is deleted from the main routing table.
EXAMPLE III
Referring to fig. 4, fig. 4 is another schematic flow chart of the method for updating the routing table of the internet of things in combination with the information of the aggregation unit according to the embodiment of the present invention; as shown in fig. 4, an internet of things routing table updating method combining aggregation unit information may include:
401. the method comprises the steps that an access node of the Internet of things receives data information sent by online terminal equipment within the coverage range of a wireless network of the access node, wherein the data information carries position information of the online terminal equipment or the equipment type of the online terminal equipment;
it should be noted that, the access node of the internet of things listens to the terminal device within the coverage of its own wireless network to determine the terminal device in an online state, and after the terminal device is used as an online terminal device, the access node of the internet of things can further update the main routing table according to the data information sent by the online terminal device. The data information is the data information which is acquired by the online terminal device and needs to be reported to the aggregation unit, and the data information not only carries the position information of the online terminal device or the device type of the online terminal device, but also includes specific content, other necessary identifications and the like.
402. The access node of the Internet of things determines whether the main routing table records the routing information of the online terminal equipment or not according to the main routing table of the online terminal equipment and the access node of the Internet of things;
determining whether the routing information of the online terminal device sending the data information is already recorded in the main routing table, if not, turning to step 403; if the information is recorded, the flow is ended, and the data information is only required to be forwarded according to the routing information of the main routing table.
403. The access node of the Internet of things judges whether the data information is matched with the interesting information of the convergence unit;
if the data information matches the information of interest of the aggregation unit, go to step 404; and if the data information does not match the interesting information of the aggregation unit, ending the flow.
404. And the access node of the Internet of things adds the routing information of the online terminal equipment into the main routing table.
As an optional implementation manner, when the internet of things access node determines that the data information does not match the information of interest of the aggregation unit, the internet of things access node determines whether the slave routing table of the internet of things access node records the routing information of the online terminal device; and when the access node of the Internet of things determines that the routing information of the online terminal equipment is not recorded in the slave routing table, adding the routing information of the online terminal equipment in the slave routing table. In this embodiment, the route information of the terminal device that does not match the information of interest of the aggregation unit is added to the slave route table as a route table having a lower forwarding priority than the master route table.
In the embodiment of the invention, after receiving data information sent by online terminal equipment within the coverage range of the wireless network of the access node, the access node of the internet of things acquires the position information of the online terminal equipment or the equipment type of the online terminal equipment from the data information, and adds the routing information of the online terminal equipment in the main routing table when the acquired position information of the online terminal equipment or the equipment type of the online terminal equipment matches the information of interest of the aggregation unit and the main routing table does not have the routing information of the online terminal equipment.
Example four
Referring to fig. 5, fig. 5 is a schematic structural diagram of an internet of things routing table updating system combining aggregation unit information according to an embodiment of the present invention; as shown in fig. 5, an internet of things routing table updating system combining aggregation unit information may include:
the aggregation unit 510 is configured to issue routing table update indication information to the internet of things access node 520, where the routing table update indication information includes information of interest of the aggregation unit 510, and the information of interest includes location information of interest of the aggregation unit 510 or a device type of interest of the aggregation unit 510;
the internet of things access node 520 is configured to monitor the terminal device 530 within a wireless network coverage area of the internet of things access node, so as to determine the terminal device 530 in an online state as an online terminal device;
the internet of things access node 520 is further configured to determine, according to the main routing table of the online terminal device and the internet of things access node 520, a terminal device 530 whose routing information is recorded in the main routing table but is not in an online state, as an offline terminal device;
the internet of things access node 520 is further configured to obtain basic information of the offline terminal device, and determine whether the basic information of the offline terminal device matches the information of interest of the aggregation unit 510, where the basic information of the offline terminal device includes location information of the offline terminal device or a device type of the offline terminal device;
the internet of things access node 520 is further configured to start offline timing to obtain an offline duration of the offline terminal device when it is determined that the basic information of the offline terminal device matches the information of interest of the aggregation unit 510;
the internet of things access node 520 is further configured to determine whether the offline duration meets a preset duration;
the internet of things access node 520 is further configured to delete the routing information of the offline terminal device in the main routing table when it is determined that the offline duration meets the preset duration.
As an optional implementation manner, the implementation manner of the internet of things access node 520 obtaining the basic information of the offline terminal device is as follows: the internet of things access node 520 obtains the IP address of the offline terminal device from the main routing table, and then searches the basic information of the offline terminal device from the terminal device information table managed by the internet of things access node 520 according to the IP address.
As an optional implementation manner, before the aggregation unit 510 issues the routing table update indication information to the internet of things access node 520, the aggregation unit 510 receives a routing table update request sent by the internet of things access node 520, where the routing table update request includes an identity of the internet of things access node 520; after receiving the routing table update request, the aggregation unit 510 extracts the identity of the internet of things access node 520 from the routing table update request, and verifies whether the internet of things access node 520 corresponding to the identity is a legal node, if not, the process is ended; if yes, the aggregation unit 510 issues routing table update indication information to the internet of things access node 520.
As an optional implementation manner, the internet of things access node 520 listens to the terminal device 530 in the coverage area of its own wireless network to determine the terminal device 530 in an online state, and specifically includes, as an online terminal device:
the internet of things access node 520 monitors heartbeat data packets sent by the terminal equipment 530 in the coverage range of the wireless network of the internet of things access node, and the terminal equipment 530 which sends the heartbeat data packets in the coverage range of the wireless network of the internet of things access node is used as online terminal equipment; or
The internet of things access node 520 sends a broadcast message in the coverage range of the wireless network of the internet of things, receives a response message of the terminal device 530 in the coverage range of the wireless network of the internet of things to the broadcast message, and takes the terminal device 530 in the coverage range of the wireless network of the internet of things as an online terminal device.
As an optional implementation manner, the internet of things access node 520 is further configured to determine, according to the main routing table of the online terminal device and the internet of things access node 520, the terminal device 530 whose routing information is recorded in the main routing table but is not in an online state, and after the terminal device is used as an offline terminal device, determine, according to the main routing table of the online terminal device and the internet of things access node 520, the online terminal device whose routing information is not recorded in the main routing table, and use the online terminal device as a terminal device to be added within the wireless network coverage of the internet of things access node 520; acquiring basic information of the terminal device to be added, and judging whether the basic information of the terminal device to be added matches the information of interest of the aggregation unit 510; the basic information of the terminal equipment to be added comprises the position information of the terminal equipment to be added or the equipment type of the terminal equipment to be added; and when it is determined that the basic information of the terminal device to be added matches the information of interest of the aggregation unit 510, adding the routing information of the terminal device to be added in the main routing table.
As an optional implementation manner, the internet of things access node 520 is further configured to delete the routing information of the offline terminal device in the main routing table when it is determined that the basic information of the offline terminal device does not match the information of interest of the aggregation unit 510.
As an optional implementation manner, the internet of things access node 520 is further configured to monitor the terminal device within the coverage area of its own wireless network, to determine the terminal device 530 in an online state, and after serving as the online terminal device, receive data information sent by the online terminal device within the coverage area of its own wireless network, where the data information carries location information of the online terminal device or a device type of the online terminal device; determining whether the main routing table records routing information of the online terminal equipment or not according to the main routing table of the online terminal equipment and the access node 520 of the internet of things; when it is determined that the main routing table does not record the routing information of the online terminal device, determining whether the data information matches the information of interest of the aggregation unit 510; upon determining that the data information matches the information of interest of the aggregation unit 510, the routing information of the online terminal device is added to the primary routing table.
As an optional implementation manner, when it is determined that the data information does not match the information of interest of the aggregation unit 510, the internet of things access node 520 determines whether the slave routing table of the internet of things access node 520 records the routing information of the online terminal device; when determining that the online terminal device routing information is not recorded in the slave routing table, the internet of things access node 520 adds the routing information of the online terminal device to the slave routing table. In this embodiment, the route information of the terminal device that does not match the information of interest of the aggregation unit 510 is added to the slave route table as a route table having a lower forwarding priority than the master route table.
As an optional implementation manner, the internet of things access node 520 is further configured to, when it is determined that the data information sent by the online terminal device does not match the information of interest of the aggregation unit 510, determine whether the slave routing table of the internet of things access node 520 records the routing information of the online terminal device; and when the slave routing table is determined not to record the routing information of the on-line terminal equipment, adding the routing information of the on-line terminal equipment in the slave routing table.
In the embodiment of the present invention, by implementing the system shown in fig. 5, it is determined that the offline terminal device that is not in the online state but has the routing information recorded in the main routing table is determined, and after it is further determined that the offline terminal device is a terminal device that is interested in the aggregation unit and the offline duration meets the preset duration, the routing information of the offline terminal device is deleted from the main routing table, so as to update the routing table of the internet of things in combination with the information that is interested in the aggregation unit, which is helpful for realizing the screening and collection of data information by the aggregation unit.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by instructions associated with a program, which may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), compact disc-Read-Only Memory (CD-ROM), or other Memory, magnetic disk, magnetic tape, or magnetic tape, Or any other medium which can be used to carry or store data and which can be read by a computer.
The method and the system for updating the routing table of the internet of things in combination with the information of the convergence unit disclosed by the embodiment of the invention are described in detail, a specific embodiment is applied in the method for explaining the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. An Internet of things routing table updating method combined with convergence unit information is characterized by comprising the following steps:
the method comprises the steps that a convergence unit issues routing table updating indication information to an access node of the Internet of things, wherein the routing table updating indication information comprises interest information of the convergence unit, and the interest information comprises interest position information of the convergence unit or interest equipment types of the convergence unit;
the access node of the Internet of things monitors the terminal equipment within the coverage range of the wireless network of the access node of the Internet of things so as to determine the terminal equipment in an online state as the online terminal equipment;
the Internet of things access node determines terminal equipment with routing information recorded in the main routing table but not in an online state as offline terminal equipment according to the online terminal equipment and the main routing table of the Internet of things access node;
the access node of the internet of things acquires basic information of the offline terminal equipment and judges whether the basic information of the offline terminal equipment matches the information of interest of the convergence unit or not, wherein the basic information of the offline terminal equipment comprises position information of the offline terminal equipment or equipment type of the offline terminal equipment;
when the access node of the Internet of things determines that the basic information of the off-line terminal equipment matches the interesting information of the convergence unit, starting off-line timing to obtain the off-line duration of the off-line terminal equipment;
the Internet of things access node judges whether the offline duration meets a preset duration or not;
the Internet of things access node deletes the routing information of the offline terminal equipment in the main routing table when determining that the offline duration meets the preset duration;
wherein the main routing table is used for storing routing information related to terminal devices matching the information of interest of the convergence unit.
2. The method according to claim 1, wherein the internet of things access node determines, according to a main routing table of the online terminal device and the internet of things access node, a terminal device whose routing information is recorded in the main routing table but is not in an online state, and after the terminal device is taken as an offline terminal device, the method further includes:
the Internet of things access node determines online terminal equipment of which the routing information is not recorded in the main routing table according to the online terminal equipment and the main routing table of the Internet of things access node, and the online terminal equipment is used as terminal equipment to be added in the wireless network coverage range of the Internet of things access node;
the access node of the Internet of things acquires the basic information of the terminal equipment to be added and judges whether the basic information of the terminal equipment to be added matches the information of interest of the convergence unit; the basic information of the terminal equipment to be added comprises the position information of the terminal equipment to be added or the equipment type of the terminal equipment to be added;
and when the access node of the internet of things determines that the basic information of the terminal equipment to be added matches the interesting information of the convergence unit, adding the routing information of the terminal equipment to be added into the main routing table.
3. The method of claim 1, wherein the access node of the internet of things listens to the terminal device within a coverage area of its own wireless network to determine the terminal device in an online state, and after the terminal device is an online terminal device, the method further comprises:
the access node of the Internet of things receives data information sent by the online terminal equipment within the coverage range of the wireless network of the access node of the Internet of things, wherein the data information carries position information of the online terminal equipment or the equipment type of the online terminal equipment;
the Internet of things access node determines whether the main routing table records the routing information of the online terminal equipment or not according to the online terminal equipment and the main routing table of the Internet of things access node;
when the access node of the internet of things determines that the main routing table does not record the routing information of the online terminal equipment, judging whether the data information is matched with the interesting information of the convergence unit or not;
and when the access node of the Internet of things determines that the data information matches the interesting information of the convergence unit, adding the routing information of the online terminal equipment into the main routing table.
4. The method of claim 2, further comprising:
and when the access node of the internet of things determines that the basic information of the off-line terminal equipment does not match the interesting information of the convergence unit, deleting the routing information of the off-line terminal equipment in the main routing table.
5. The method of claim 3, further comprising:
when the Internet of things access node determines that the data information does not match the interesting information of the convergence unit, judging whether a slave routing table of the Internet of things access node records the routing information of the online terminal equipment or not;
when the access node of the internet of things determines that the routing information of the online terminal equipment is not recorded in the slave routing table, adding the routing information of the online terminal equipment in the slave routing table;
the slave routing table is used for storing the routing information of other terminal equipment except the terminal equipment which matches the interesting information of the convergence unit.
6. An internet of things routing table updating system combining information of a convergence unit is characterized by comprising:
the device comprises a gathering unit and a control unit, wherein the gathering unit is used for issuing routing table updating indication information to an access node of the Internet of things, the routing table updating indication information comprises interest information of the gathering unit, and the interest information comprises interest position information of the gathering unit or interest equipment type of the gathering unit;
the Internet of things access node is used for monitoring the terminal equipment within the coverage range of a wireless network of the Internet of things access node so as to determine the terminal equipment in an online state as the online terminal equipment;
the internet of things access node is also used for determining terminal equipment with routing information recorded in the main routing table but not in an online state as offline terminal equipment according to the online terminal equipment and the main routing table of the internet of things access node;
the internet of things access node is further used for acquiring basic information of the offline terminal equipment and judging whether the basic information of the offline terminal equipment matches the information of interest of the convergence unit, wherein the basic information of the offline terminal equipment comprises position information of the offline terminal equipment or equipment type of the offline terminal equipment;
the Internet of things access node is further used for starting offline timing to obtain offline duration of the offline terminal equipment when it is determined that the basic information of the offline terminal equipment matches the information of interest of the aggregation unit;
the Internet of things access node is also used for judging whether the offline duration meets a preset duration or not;
the internet of things access node is further used for deleting the routing information of the offline terminal equipment in the main routing table when the offline duration is determined to meet the preset duration;
wherein the main routing table is used for storing routing information related to terminal devices matching the information of interest of the convergence unit.
7. The system according to claim 6, wherein the internet of things access node is further configured to determine, according to the main routing table of the online terminal device and the internet of things access node, a terminal device whose routing information is recorded in the main routing table but is not in an online state, and after the terminal device is used as an offline terminal device, determine, according to the main routing table of the online terminal device and the internet of things access node, an online terminal device whose routing information is not recorded in the main routing table, and use the online terminal device as a terminal device to be added within a wireless network coverage area of the internet of things access node itself; acquiring basic information of the terminal equipment to be added, and judging whether the basic information of the terminal equipment to be added matches the interesting information of the convergence unit; the basic information of the terminal equipment to be added comprises the position information of the terminal equipment to be added or the equipment type of the terminal equipment to be added; and when it is determined that the basic information of the terminal device to be added matches the information of interest of the convergence unit, adding the routing information of the terminal device to be added in the main routing table.
8. The system of claim 6, wherein the internet of things access node is further configured to monitor a terminal device within a coverage area of its own wireless network, to determine the terminal device in an online state, and after the terminal device is used as an online terminal device, to receive data information sent by the online terminal device within the coverage area of its own wireless network, where the data information carries location information of the online terminal device or a device type of the online terminal device; determining whether the main routing table records the routing information of the online terminal equipment or not according to the main routing table of the online terminal equipment and the access node of the Internet of things; when the main routing table is determined not to be recorded with the routing information of the online terminal equipment, judging whether the data information is matched with the interesting information of the convergence unit; and when the data information is determined to be matched with the interesting information of the convergence unit, adding the routing information of the online terminal equipment into the main routing table.
9. The system of claim 7,
the internet of things access node is further configured to delete the routing information of the offline terminal device in the main routing table when it is determined that the basic information of the offline terminal device does not match the information of interest of the aggregation unit.
10. The system of claim 8, wherein the internet of things access node is further configured to determine whether a slave routing table of the internet of things access node records routing information of the online terminal device when it is determined that the data information does not match the information of interest of the aggregation unit; when the fact that the online terminal device routing information is not recorded in the slave routing table is determined, the routing information of the online terminal device is added into the slave routing table;
the slave routing table is used for storing the routing information of other terminal equipment except the terminal equipment which matches the interesting information of the convergence unit.
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| CN201710463233.9A CN107360097B (en) | 2017-06-19 | 2017-06-19 | Internet of things routing table updating method and system combining convergence unit information |
| PCT/CN2017/098497 WO2018232961A1 (en) | 2017-06-19 | 2017-08-22 | Method and system for updating internet of things routing table in conjunction with convergence unit information |
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| CN113596619B (en) * | 2021-06-22 | 2023-11-24 | 深圳市鹏芯数据技术有限公司 | Fire-fighting Internet of things multi-equipment state judging method, device, equipment and storage medium |
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| CN102970771B (en) * | 2012-11-20 | 2015-10-28 | 西安大唐电信有限公司 | A kind of acquisition of signal acquisition method based on wireless sensor network and system |
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| WO2011134159A1 (en) * | 2010-04-29 | 2011-11-03 | 华为技术有限公司 | Method, device and system for learning machine-type-communication device offline |
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