CN102064948A - Data processing method for switch of internet of things - Google Patents
Data processing method for switch of internet of things Download PDFInfo
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- CN102064948A CN102064948A CN 201110001953 CN201110001953A CN102064948A CN 102064948 A CN102064948 A CN 102064948A CN 201110001953 CN201110001953 CN 201110001953 CN 201110001953 A CN201110001953 A CN 201110001953A CN 102064948 A CN102064948 A CN 102064948A
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Abstract
The invention discloses a switch of internet of things and a data processing method. The switch of the internet of things mainly solves the problems that under the environment of the internet of things, the access of a plurality of isomerism devices of the internet of things cannot be supported in a traditional switch, the expandability is poor, and interconnection and intercommunication among the devices are difficult. The switch of the internet of things comprises a communication module plug-in unit and a switch of the internet of things, wherein the communication module plug-in unit adopts a standard socket form and provides signal receiving and sending and protocol translating from a device of the internet of things to a main machine of the switch; and the switch of internet of things adopts a connecting way of a star type or a bus type and is used for processing a protocol packet of the internet of things, realizing interconnection and intercommunication among the intra-domain and inter-domain devices and providing a remote management function. When the switch of internet of things is used for processing network data under the environment of the internet of things, star-type or bus-type data processing is carried out according to the different connecting ways of the switch of internet of things. By means of the switch of internet of things, communication capacity can be flexibly configured aiming at different application environments of the internet of things. The switch of internet of things has good expandability, is easy for deployment and implementation and can be used for the translation of all kinds of communication protocols and the interconnection and the intercommunication of the devices of the internet of things.
Description
Technical field
The invention belongs to networking technology area, relate to a kind of Internet of Things switch of multimode,, guarantee that the Internet of Things awareness apparatus of various different communication standards can indistinguishably insert standard network by this switch.This switch interconnects in order to the translation that realizes various communication protocols and Internet of Things equipment, and functions such as telemanagement are provided.
Background technology
Internet of Things (IoT, The Internet of things) by technology such as transducer, REID, global positioning systems, gather in real time anyly need to monitor, connect, interactive object or process, gather the information of various needs such as its, light, heat, electricity, mechanics, chemistry, biology, position, by all kinds of possible network insertions, realize that thing is connected with the ubiquitous of people with thing, thing, realize intelligent perception, identification and management article and process.Internet of Things is the fusion application of intelligent perception, recognition technology and general fit calculation, Ubiquitous Network, Intelligent Information Processing, is called as the third wave of world's information industry development after computer, the Internet.
Present a lot of sensor networks are in order to realize the long-distance transmissions of information, all to some extent by cellular communications network or cable network, the information of interior among a small circle each node of sensor network is connected into the Internet by the sink node, and in fact the sink node of this sensor network and traditional communication net is exactly the blank of Internet of Things switch.
The Internet of Things switch is being played the part of very important role in Internet of Things, it is the tie that connects sensing network and conventional communication networks.The Internet of Things switch need be realized sensing network and communication network, and the protocol conversion between the dissimilar sensing network, should realize that wide area is interconnected, will realize that also local is interconnected.In addition, it also needs to possess Equipment Management Function, and operator can manage each sensing node of bottom by the Internet of Things switch, understands the relevant information of each node, and realizes Long-distance Control.
For operator, the Internet of Things switch means the extension of carrier network to the network tip, thereby build globality network from telecommunications backbone net, mobile radio communication to sensing network, the sensing network of different regions, different application links together by communication network, the information exchange that realizes different sub-network with communicate by letter.
Existing switch is at two or more particular network designs, poor expandability, each socket can only mate special module, can only use optic module as optical fiber interface, do not have a replaceability, the limitation on these switch design makes them no longer suitable in environment of internet of things.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art, a kind of Internet of Things switch is provided, indistinguishably to provide standard network to insert, realize interconnecting of Internet of Things equipment, and remote management capability is provided to the Internet of Things equipment of various employing different communication standards.
For achieving the above object, Internet of Things switch of the present invention comprises: two parts of communication module plug-in unit and exchanger host, exchanger host links to each other with a plurality of communication module plug-in units, and is separate between the communication module plug-in unit, and can replace mutually.Wherein:
The communication module plug-in unit mainly is made up of signal transceiver, communication module plug-in unit processing module, communication module plug-in unit memory module and modular joint, is used to provide signal transmitting and receiving and agreement intertranslation from Internet of Things equipment to exchanger host;
Exchanger host, mainly form by input/output end port, exchanger host processing module, exchanger host memory module and exchanger host configuration module, adopt star-like connected mode or bus-type connected mode to connect between them, be used for handled thing networking the Internet protocol data bag.
Described exchanger host configuration module, comprise system configuration submodule and switch operating system submodule, this system configuration submodule is used for the configuration of Internet of Things switch system software, this switch operating system submodule be used for to be used for to the renewal of the configuration of Internet of Things switch system and airborne operating system and and safeguard, relatively independent between these two submodules, finish separately operation by the user.
The input/output end port of described exchanger host comprises two types of core net port and the standard of the exchanger ports, and this core net port links to each other with core network, need be configured to mate the communication mode of core network; This standard of the exchanger port exists with the socket form of standard, meet unified physical specification and electric parameter, port on the exchanger host is called female, port on the communication module plug-in unit that matches is called male, is respectively equipped with a plurality of females and the male that is complementary on exchanger host standard port and the communication module plug-in unit.
Described star-like connected mode is that each female with exchanger host directly links to each other with memory module with processing module, and separate between each female, this processing module links to each other with the core net port with memory module.
Described bus-type connected mode is each female of exchanger host and processing module and memory module all to be connected to plate carry on the bus, and this processing module links to each other with the core net port with memory module.
For achieving the above object, data processing method of the present invention proposes following two kinds of technical schemes according to the connected mode of exchanger host inside:
Technical scheme 1:
For the data processing method of star-like Internet of Things switch, carry out as follows:
(1) the communication module plug-in unit carries out packet collection and protocol conversion, and the packet after will changing sends into Internet of Things exchanger host input port, and this Internet of Things exchanger host input port is transmitted to Internet of Things exchanger host processing module and memory module with this packet;
(2) Internet of Things exchanger host processing module and memory module receive packet, and judge whether this packet is reference material networking data bag, if the internet data bag then carries out the internet data bag by processing module and memory module and handles; If the Internet of Things packet, processing module and memory module are carried out the Internet of Things processing data packets, after finishing dealing with, carry out the output port location, and judge whether target port is the core net port; If the core net port then is transmitted to this packet Internet of Things exchanger host core net port, and execution in step (3); Otherwise just this packet is transmitted to Internet of Things switch output port, and jump procedure (4);
(3) Internet of Things exchanger host core net port receives the packet from Internet of Things exchanger host processing module and memory module, and the core net port outwards sends packet by the communication module plug-in unit;
(4) Internet of Things switch output port receives the packet from Internet of Things exchanger host processing module and memory module, and the switch output port outwards sends packet by the communication module plug-in unit.
Technical scheme 2:
For the data processing method of bus-type Internet of Things switch, carry out as follows:
1) the communication module plug-in unit carries out packet collection and protocol conversion, and the packet after will changing is sent into Internet of Things exchanger host input port;
2) input port of Internet of Things exchanger host is monitored bus state according to collision avoidance strategy will, if the bus free time shows that then this input port can send packet, and jumps to step 3); Otherwise continue to monitor bus state;
3) input port of Internet of Things exchanger host sends to packet the processing module and the memory module of Internet of Things exchanger host, and each female of Internet of Things exchanger host, and detect whether send success, if send successfully, continue then to wait for that packet arrives; If send failure, then continue to monitor bus state according to collision avoidance strategy will;
4) Internet of Things exchanger host processing module and memory module and each female receive the packet that input port sends respectively;
5) processing module of Internet of Things exchanger host and memory module judge whether the packet that receives mails to the core net port, if not, then the strategy of setting according to exchanger host is handled; If judge then whether it is reference material networking data bag, if the Internet of Things packet then carries out the work of Internet of Things processing data packets, if the internet data bag carries out the work of treatment of internet data bag;
6) packet after the processing module of Internet of Things exchanger host and memory module will be handled is forwarded to Internet of Things exchanger host core net port, jumps to step 8);
7) each female of Internet of Things exchanger host checks whether packet sends to oneself, if not, then abandon this packet; If oneself then receives this packet, and outwards send packet by the communication module plug-in unit;
8) Internet of Things exchanger host core net port receives the packet from Internet of Things Host Process Module and memory module, and outwards sends packet by the communication module plug-in unit.
The Internet of Things switch of the present invention's design has the following advantages:
(a) than traditional switch, the Internet of Things exchanger host of the present invention's design can be realized the access of multiple isomeric compound networked devices, its communication module plug-in unit adopts the standard socket form, can be at the communication capacity of different Internet of Things applied environment flexible configuration Internet of Things switches, but mutual alternative between each communication module plug-in unit, flexible configuration, convenience.
(b) the Internet of Things switch of the present invention's design is according to the difference of its inner connecting way, can realize agreement intertranslation and data forwarding, provide in the territory and the interconnecting of equipment between the territory, and remote management capability is provided, guarantee that the Internet of Things awareness apparatus of various different communication standards can indistinguishably insert standard network.
Description of drawings
Fig. 1 is an Internet of Things exchanger host structural representation of the present invention;
Fig. 2 is the standard port schematic diagram of Internet of Things switch of the present invention;
Fig. 3 is the star-like connected mode schematic diagram of Internet of Things exchanger host of the present invention;
Fig. 4 is an Internet of Things exchanger host bus-type connected mode schematic diagram of the present invention;
Fig. 5 is an Internet of Things switch communication module plug-in schematic diagram of the present invention;
Fig. 6 is the star-like Internet of Things exchange data of a present invention process chart;
Fig. 7 is a bus-type Internet of Things exchange data process chart of the present invention;
Fig. 8 is that communication module plug-in's data bag of the present invention is gathered and protocol conversion data processing sub-process figure;
Fig. 9 is the sub-process figure that the exchanger host output port of the star-like connection of the present invention outwards sends packet;
Figure 10 is the sub-process figure that bus-type connected mode exchanger host output port of the present invention outwards sends packet.
Embodiment
Describe the present invention below in conjunction with accompanying drawing.
With reference to Fig. 1, Internet of Things main frame of the present invention comprises: two parts of communication module plug-in unit and exchanger host, exchanger host links to each other with a plurality of communication module plug-in units, and is separate between the communication module plug-in unit, and can replace mutually.Wherein:
Exchanger host, mainly form by input/output end port, exchanger host processing module, exchanger host memory module and exchanger host configuration module, adopt star-like connected mode or bus-type connected mode to connect between them, be used for handled thing networking the Internet protocol data bag; The input/output end port of this exchanger host comprises two types of core net port and the standard of the exchanger ports, and this core net port links to each other with core network, need be configured to mate the communication mode of core network, as Internet, 2G/3G communication mode; This standard of the exchanger port exists with the socket form of standard, meet unified physical specification and electric parameter, with reference to shown in Figure 2, port on the exchanger host is called female, port on the communication module plug-in unit that matches is called male, is respectively equipped with a plurality of females and the male that is complementary on exchanger host standard port and the communication module plug-in unit; This exchanger host processing module is to carry out the program scheduler of software and carry out functional entity, includes but not limited to processor, controller; This exchanger host memory module, be the memory device of storage switch software, executive program and buffer memory Internet of Things network packet, include but not limited to read only memory ROM, random access memory ram, EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM at random; This exchanger host configuration module, comprise system configuration submodule and switch operating system submodule, this system configuration submodule is used for the configuration of Internet of Things switch system software, this switch operating system submodule is used for renewal and the maintenance to airborne operating system, relatively independent between these two submodules, finish separately operation by the user;
The communication module plug-in unit, as shown in Figure 5, it mainly is made up of signal transceiver, communication module plug-in unit processing module, communication module plug-in unit memory module and modular joint, is used to provide signal transmitting and receiving and agreement intertranslation from Internet of Things equipment to exchanger host; This signal transceiver: be responsible for use peer-to-peer communications standard Internet of Things equipment between link be connected and communicate by letter; This processing module: carry out agreement intertranslation, software program scheduling and execution, include but not limited to processor, controller etc.; This memory module: communicate the storage and the Internet of Things network packet buffer memory of module plug-in executive program, include but not limited to read only memory ROM, random access memory ram, EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM at random; This modular joint: be with exchanger host on the male that is complementary of female, be connected with exchanger host, receive and send network packet.
The Internet of Things exchanger host is divided into star-like connection and is connected dual mode with bus-type, below these two kinds of connected modes is described in detail;
With reference to shown in Figure 3, star-like connected mode is that each female with exchanger host directly links to each other with memory module with processing module, and separate between each female, this processing module links to each other with the core net port with memory module;
With reference to shown in Figure 4, the bus-type connected mode is each female of exchanger host and processing module and memory module all to be connected to plate carry on the bus, and this processing module links to each other with the core net port with memory module.
With reference to shown in Figure 6, the data processing method of star-like Internet of Things switch, carry out as follows:
Step 1, the communication module plug-in unit carries out packet collection and protocol conversion, and the packet after will changing sends into Internet of Things exchanger host input port, and this Internet of Things exchanger host input port is transmitted to Internet of Things exchanger host processing module and memory module with this packet.
With reference to Fig. 8, the concrete steps that the communication module plug-in unit carries out packet collection and protocol conversion are as follows:
(1.1) signal transceiver of communication module plug-in unit utilizes self link communication energising, carries out signal and receives and data collection task;
(1.2) signal transceiver of communication module plug-in unit is transmitted the data that collect, and after forwarding is finished, proceeds signal and receives and data collection task;
(1.3) packet that sends of the processing module of communication module plug-in unit and memory module received signal transceiver, and judge whether this packet belongs to Internet of Things and use, if, then convert reference material networking data bag to, otherwise, then convert the internet data bag to;
(1.4) packet after the processing module of communication module plug-in unit and memory module will be changed is forwarded to the modular joint of communication module plug-in unit;
(1.5) modular joint sends to the exchanger host input port with the packet that receives.
Step 2, Internet of Things exchanger host processing module and memory module receive packet, and judge whether this packet is reference material networking data bag, if not the Internet of Things packet, then processing module and memory module are carried out the processing of internet data bag; If the Internet of Things packet, then processing module and memory module are carried out the Internet of Things processing data packets, after finishing dealing with, carry out the output port location, and judge whether target port is the core net port; If the core net port then is transmitted to this packet Internet of Things exchanger host core net port, and execution in step 3; Otherwise just this packet is transmitted to Internet of Things switch output port, and jump procedure 5.
Step 3, Internet of Things exchanger host core net port receives the packet from Internet of Things exchanger host processing module and memory module.
Step 4, the core net port outwards sends packet by the communication module plug-in unit.
With reference to Fig. 9, being implemented as follows of this step:
(4.1) the core net port sends to packet the modular joint of communication module plug-in unit;
(4.2) modular joint of communication module plug-in unit is forwarded to the processing module and the memory module of communication module plug-in unit with packet, transmit finish after, continue to receive packet from main frame;
(4.3) processing module of communication module plug-in unit and memory module receive the packet that partly passes from communication module plug-in unit modular joint, convert thereof into the communication standard packet of communication module plug-in unit signal transceiver coupling, and be transmitted to the signal transceiver of communication module plug-in unit;
(4.4) signal transceiver of communication module plug-in unit receives the packet from processing module and memory module, and this packet is forwarded to the object networked devices.
Step 5, Internet of Things switch output port receives the packet from Internet of Things exchanger host processing module and memory module.
Step 6, the switch output port outwards sends packet by the communication module plug-in unit.
With reference to Fig. 9, being implemented as follows of this step:
(6.1) the exchanger host output port sends to packet the modular joint of communication module plug-in unit;
(6.2) modular joint of communication module plug-in unit is forwarded to the processing module and the memory module of communication module plug-in unit with packet, transmit finish after, continue to receive packet from main frame;
(6.3) processing module of communication module plug-in unit and memory module receive the packet that partly passes from communication module plug-in unit modular joint, convert thereof into the communication standard packet of communication module plug-in unit signal transceiver coupling, and be transmitted to the signal transceiver of communication module plug-in unit;
(6.4) signal transceiver of communication module plug-in unit receives the packet from processing module and memory module, and this packet is forwarded to the object networked devices.
With reference to shown in Figure 7, the data processing method of bus-type Internet of Things switch, carry out as follows:
Steps A, the communication module plug-in unit carries out packet collection and protocol conversion, and the packet after will changing is sent into Internet of Things exchanger host input port.
With reference to Fig. 8, the concrete steps that the communication module plug-in unit carries out packet collection and protocol conversion are as follows:
(A1) signal transceiver of communication module plug-in unit utilizes self link communication energising, carries out signal and receives and data collection task;
(A2) signal transceiver of communication module plug-in unit is transmitted the data that collect, and after forwarding is finished, proceeds signal and receives and data collection task;
(A3) packet that sends of the processing module of communication module plug-in unit and memory module received signal transceiver, and judge whether this packet belongs to Internet of Things and use, if, then convert reference material networking data bag to, otherwise, then convert the internet data bag to;
(A4) processing module of communication module plug-in unit and memory module are forwarded to the modular joint of communication module plug-in unit with the packet after the conversion;
(A5) modular joint sends to the exchanger host input port with the packet that receives.
Step B, the input port of Internet of Things exchanger host is monitored bus state according to collision avoidance strategy will, if the bus free time shows that then this input port can send packet, and jumps to step C; Otherwise continue to monitor bus state, until the bus free time.
Step C, the input port of Internet of Things exchanger host sends to the processing module and the memory module of Internet of Things exchanger host with packet, and each female of Internet of Things exchanger host, and detects whether send success, if send successfully, continue then to wait for that packet arrives; If send failure, then continue to monitor bus state according to collision avoidance strategy will.
Step D, Internet of Things exchanger host processing module and memory module and each female receive the packet that input port sends respectively.
Step e, the processing module of Internet of Things exchanger host and memory module judge whether the packet that receives mails to the core net port, if not, then the strategy of setting according to exchanger host is handled, and as receiving packet, preserves packet; If judge then whether it is reference material networking data bag, if the Internet of Things packet then carries out the work of Internet of Things processing data packets, if the internet data bag carries out the work of treatment of internet data bag.
Step F, the packet after the processing module of Internet of Things exchanger host and memory module will be handled are forwarded to Internet of Things exchanger host core net port, jump to step I.
Step G, each female of Internet of Things exchanger host checks whether packet sends to oneself, if not, then Internet of Things switch female abandons this packet; If oneself, then Internet of Things switch female receives this packet.
Step H, Internet of Things switch female outwards sends packet by the communication module plug-in unit.
With reference to Figure 10, being implemented as follows of this step:
(H1) the exchanger host output port is monitored bus according to collision avoidance strategy will, if the bus free time then sends to packet the modular joint of communication module plug-in unit, and detects whether send success; If send successfully, continue then to wait for that packet arrives, otherwise, continue to monitor bus state; If bus is not idle, also continue to monitor bus state;
(H2) modular joint of communication module plug-in unit is forwarded to the processing module and the memory module of communication module plug-in unit with packet, transmit finish after, continue to receive packet from main frame;
(H3) processing module of communication module plug-in unit and memory module receive the packet that partly passes from communication module plug-in unit modular joint, and judge whether the target of this packet is oneself, if not, then it is abandoned; Otherwise, carry out protocol conversion, convert thereof into the communication standard packet of communication module plug-in unit signal transceiver coupling, and be transmitted to the signal transceiver of communication module plug-in unit;
(H4) signal transceiver of communication module plug-in unit receives the packet from processing module and memory module, and this packet is forwarded to the object networked devices.
Step I, Internet of Things exchanger host core net port receives the packet from Internet of Things Host Process Module and memory module.
Step J, exchanger core net port outwards sends packet by the communication module plug-in unit.
With reference to Figure 10, being implemented as follows of this step:
(J1) exchanger host core net port is monitored bus according to collision avoidance strategy will, if the bus free time then sends to packet the modular joint of communication module plug-in unit, and detects whether send success; If send successfully, continue then to wait for that packet arrives, otherwise, continue to monitor bus state; If bus is not idle, also continue to monitor bus state;
(J2) modular joint of communication module plug-in unit is forwarded to the processing module and the memory module of communication module plug-in unit with packet, transmit finish after, continue to receive packet from main frame;
(J3) processing module of communication module plug-in unit and memory module receive the packet that partly passes from communication module plug-in unit modular joint, and judge whether the target of this packet is oneself, if not, then it is abandoned; Otherwise, carry out protocol conversion, convert thereof into the communication standard packet of communication module plug-in unit signal transceiver coupling, and be transmitted to the signal transceiver of communication module plug-in unit;
(J4) signal transceiver of communication module plug-in unit receives the packet from processing module and memory module, and this packet is forwarded to the object networked devices.
Claims (10)
1. an Internet of Things switch comprises two parts of communication module plug-in unit and exchanger host, and exchanger host links to each other with a plurality of communication module plug-in units, and is separate between the communication module plug-in unit, and can replace mutually, it is characterized in that:
The communication module plug-in unit mainly is made up of signal transceiver, communication module plug-in unit processing module, communication module plug-in unit memory module and modular joint, is used to provide signal transmitting and receiving and agreement intertranslation from Internet of Things equipment to exchanger host;
Exchanger host, mainly form by input/output end port, exchanger host processing module, exchanger host memory module and exchanger host configuration module, adopt star-like connected mode or bus-type connected mode to connect between them, be used for handled thing networking the Internet protocol data bag.
2. Internet of Things switch according to claim 1, it is characterized in that: the exchanger host configuration module, comprise system configuration submodule and switch operating system submodule, this system configuration submodule is used for the configuration of Internet of Things switch system software, this switch operating system submodule is used for renewal and the maintenance to airborne operating system, relatively independent between these two submodules, finish separately operation by the user.
3. Internet of Things switch according to claim 1, it is characterized in that: the input/output end port of exchanger host, comprise two types of core net port and the standard of the exchanger ports, this core net port links to each other with core network, need be configured to mate the communication mode of core network; This standard of the exchanger port exists with the socket form of standard, meet unified physical specification and electric parameter, port on the exchanger host is called female, port on the communication module plug-in unit that matches is called male, is respectively equipped with a plurality of females and the male that is complementary on exchanger host standard port and the communication module plug-in unit.
4. Internet of Things switch according to claim 1, it is characterized in that: star-like connected mode, be that each female with exchanger host directly links to each other with memory module with processing module, separate between each female, this processing module links to each other with the core net port with memory module.
5. Internet of Things switch according to claim 1, it is characterized in that: the bus-type connected mode, be each female of exchanger host and processing module and memory module all to be connected to plate carry on the bus, this processing module links to each other with the core net port with memory module.
6. the data processing method of a star-like Internet of Things switch comprises the steps:
(6a) the communication module plug-in unit carries out packet collection and protocol conversion, and the packet after will changing sends into Internet of Things exchanger host input port, and this Internet of Things exchanger host input port is transmitted to Internet of Things exchanger host processing module and memory module with this packet;
(6b) Internet of Things exchanger host processing module and memory module receive packet, and judge whether this packet is reference material networking data bag, if the internet data bag then carries out the internet data bag by processing module and memory module and handles; If the Internet of Things packet, processing module and memory module are carried out the Internet of Things processing data packets, after finishing dealing with, carry out the output port location, and judge whether target port is the core net port; If the core net port then is transmitted to this packet Internet of Things exchanger host core net port, and execution in step (6c); Otherwise just this packet is transmitted to Internet of Things switch output port, and jump procedure (6d);
(6c) Internet of Things exchanger host core net port receives the packet from Internet of Things exchanger host processing module and memory module, and the core net port outwards sends packet by the communication module plug-in unit;
(6d) Internet of Things switch output port receives the packet from Internet of Things exchanger host processing module and memory module, and the switch output port outwards sends packet by the communication module plug-in unit.
7. Internet of Things switch according to claim 6, wherein the described communication module plug-in unit of step (6a) carries out packet collection and protocol conversion, carries out as follows:
(7a) signal transceiver of communication module plug-in unit utilizes self link communication energising, carries out signal and receives and data collection task;
(7b) signal transceiver of communication module plug-in unit is transmitted the data that collect, and after forwarding is finished, proceeds signal and receives and data collection task;
(7c) packet that sends of the processing module of communication module plug-in unit and memory module received signal transceiver, and judge whether this packet belongs to Internet of Things and use, if, then convert reference material networking data bag to, otherwise, then convert the internet data bag to;
Packet after (7d) processing module of communication module plug-in unit and memory module will be changed is forwarded to the modular joint of communication module plug-in unit;
(7e) modular joint sends to the exchanger host input port with the packet that receives.
8. Internet of Things switch according to claim 6, wherein the described exchanger host output port of step (6d) outwards sends packet by the communication module plug-in unit, carries out as follows:
(8a) the exchanger host output port sends to packet the modular joint of communication module plug-in unit;
(8b) modular joint of communication module plug-in unit is forwarded to the processing module and the memory module of communication module plug-in unit with packet, transmit finish after, continue to receive packet from main frame;
(8c) processing module of communication module plug-in unit and memory module receive the packet that partly passes from communication module plug-in unit modular joint, convert thereof into the communication standard packet of communication module plug-in unit signal transceiver coupling, and be transmitted to the signal transceiver of communication module plug-in unit;
(8d) signal transceiver of communication module plug-in unit receives the packet from processing module and memory module, and this packet is forwarded to the object networked devices.
9. the data processing method of a bus-type Internet of Things switch comprises the steps:
(9a) the communication module plug-in unit carries out packet collection and protocol conversion, and the packet after will changing is sent into Internet of Things exchanger host input port;
(9b) input port of Internet of Things exchanger host is monitored bus state according to collision avoidance strategy will, if the bus free time shows that then this input port can send packet, and jumps to step (9c); Otherwise continue to monitor bus state;
(9c) input port of Internet of Things exchanger host sends to packet the processing module and the memory module of Internet of Things exchanger host, and each female of Internet of Things exchanger host, and detect whether send success, if send successfully, continue then to wait for that packet arrives; If send failure, then continue to monitor bus state according to collision avoidance strategy will;
(9d) Internet of Things exchanger host processing module and memory module and each female receive the packet that input port sends respectively;
(9e) processing module of Internet of Things exchanger host and memory module judge whether the packet that receives mails to the core net port, if not, then the strategy of setting according to exchanger host is handled; If judge then whether it is reference material networking data bag, if the Internet of Things packet then carries out the work of Internet of Things processing data packets, if the internet data bag carries out the work of treatment of internet data bag;
Packet after (9f) processing module of Internet of Things exchanger host and memory module will be handled is forwarded to Internet of Things exchanger host core net port, jumps to step (9h);
(9g) each female of Internet of Things exchanger host checks whether packet sends to oneself, if not, then abandon this packet; If oneself then receives this packet, and outwards send packet by the communication module plug-in unit;
(9h) Internet of Things exchanger host core net port receives the packet from Internet of Things Host Process Module and memory module, and outwards sends packet by the communication module plug-in unit.
10. Internet of Things switch according to claim 9, wherein each female of the described exchanger host of step (9g) outwards sends packet by the communication module plug-in unit, carries out as follows:
(10a) the exchanger host output port is monitored bus according to collision avoidance strategy will, if the bus free time then sends to packet the modular joint of communication module plug-in unit, and detects whether send success; If send successfully, continue then to wait for that packet arrives, otherwise, continue to monitor bus state; If bus is not idle, also continue to monitor bus state;
(10b) modular joint of communication module plug-in unit is forwarded to the processing module and the memory module of communication module plug-in unit with packet, transmit finish after, continue to receive packet from main frame;
(10c) processing module of communication module plug-in unit and memory module receive the packet that partly passes from communication module plug-in unit modular joint, and judge whether the target of this packet is oneself, if not, then it is abandoned; Otherwise, carry out protocol conversion, convert thereof into the communication standard packet of communication module plug-in unit signal transceiver coupling, and be transmitted to the signal transceiver of communication module plug-in unit;
(10d) signal transceiver of communication module plug-in unit receives the packet from processing module and memory module, and this packet is forwarded to the object networked devices.
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| CN102064948B (en) | 2012-12-26 |
| WO2012092864A1 (en) | 2012-07-12 |
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