CN104038521A - Internet-of-Things architecture based on SaaS model - Google Patents
Internet-of-Things architecture based on SaaS model Download PDFInfo
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Abstract
The invention relates to an Internet-of-Things architecture based on a SaaS model. The system is based on a SaaS (Software-as-a-service) model, and a set of Internet-of-Things data exchange and processing foundation architecture for large-scale supply chain systems is constructed. The architecture comprises three layers: intelligent Internet-of-Things equipment, a cloud resource pool and a large-scale supply chain management platform. On the basis, a set of foundation architecture for Internet-of-Things acquired data exchange is constructed by use of an intelligent Internet-of-Things interconnection technology. The technology defines enterprise Internet-of-Things data access and interaction standards. The functions of enterprises such as quick data resource registration, unified data resource management and data interaction can be achieved through the platform. The intelligent Internet-of-Things interconnection technology establishes an Internet-of-Things data interaction and utilization model by integrating Internet-of-Things data based on a data exchange platform and a data center technology.
Description
Technical field
The present invention is a kind of for based on the Internet or the supply chain system of Intranet, in order to promote the collaborative work ability between each main body in supply chain, the dynamic main body Synergistic method of adoptable one.This technology belongs to the interleaving techniques application of Distributed Calculation, computer software, ecommerce.
Background technology
SaaS is that Software-as-a-service(software serve) abbreviation, be along with the development of Internet technology and the maturation of application software, and 21 century start rise a kind of completely innovation software application pattern.It and " on-demand software " (software as required), the application service provider (ASP, application service provider), hosted software (Hosted Software) has similar implication.It is a kind of pattern that software is provided by Internet, manufacturer by application software unified plan on the server of oneself, client can be according to own actual demand, order required application software service by the Internet to manufacturer, by the service of ordering, how many and time length is to manufacturer's defrayment, and obtains by the Internet the service that manufacturer provides.User need not buy software again, rent the software based on Web and use instead to provider, carry out management enterprise business activities, and without software is safeguarded, service provider understands full powers and administers and maintains software, software vendor, in providing internet, applications to client, also provides off-line operation and the local datastore of software, the software and services that allows user can use it to order whenever and wherever possible.For dissimilar enterprise, SaaS is the preferred approach of sophistication, and it has eliminated the needs of enterprise's purchase, structure and maintain infrastructure and application program.
SaaS service mode and traditional Licensing Model software are very different, and it is the development trend of following extensive supply chain management software.The traditional services of comparing mode SaaS has the feature of a lot of uniquenesses: SaaS has not only reduced or cancelled traditional soft ware authorization expense, and manufacturer is deployed in application software on unified server, exempted the expenditure of end user's server hardware, Network Security Device and software upgrading maintenance, client need to other IT investment except PC is connected with the Internet just can not obtain required software and services by the Internet.In addition, a large amount of new technologies, as Web Service, provide more simply, more flexibly, more practical SaaS.
21 century is the information age, Moore's Law and sudden change law are being followed in the variation of the market demand, transnational enterprise or the competitive space of medium-sized and small enterprises have all been on the level of globalization, the complexity of market competition environment and polytropy, organic chain must be formed with its upstream and downstream enterprise by enterprise, could integrate overall competitiveness and resource, realize win-win.Supply chain is a kind of organic system that multiple to supplier, manufacturer, forwarding agent, retail trader, retailer and client etc. main bodys is considered as to the part of activity in production and controlled and coordinate just.Supply-chain management system is around core enterprise, in order to make whole supply chain system cost reach minimum, by to information flow, logistics, the control of cash flow, from buying raw material, make intermediate products and final products, finally by sales network, product is delivered in consumer's hand, by supplier, manufacturer, forwarding agent, retail trader, retailer, until End-Customer is linked to be overall function network system, effectively support the plan (Plan) of enterprise dominant, obtain (Obtain), storage (Store), distribution (Distribute), the activities such as service (Serve).
Supply chain is collaborative is the key concept in supply chain management, and supply chain is collaborative refers to that two or more enterprises are in order to realize certain strategic purpose, a kind of network type association of forming by the mode such as company agreement or united organization.The external reason that supply chain is worked in coordination with is apparent, is the situation for cope with competition aggravation and the strengthening of environment dynamic; Its internal agent comprises seeks intermediate structure effect, pursuit advantage of value chain, structure competitive advantage group and keeps the competitiveness object of core culture to be to effectively utilize and whole supply chain resource.
Supply chain is collaborative three layers of implication: organize the collaborative of aspect, change each other the division of labor and responsibility and " cooperation-integration " clearer and more definite in supply chain into by " cooperation-game "; Working in coordination with of operation flow aspect, breaks enterprise's boundary at supply chain level, around meeting this core of terminal client demand, carries out the integration restructuring of flow process; Information aspect collaborative, realizes the integrated of information system between supply chain partner member by network technology, realizes operation data, the Real-Time Sharing of marketing data with exchange, thereby realize between partner faster, cooperative response terminal client demand better.
Only have the supply chain of having realized collaborative, whole supply chain system can realize response speed faster, have more the foresight of forward direction, jointly resist various risks better, optimum products & services are provided taking minimum cost as client.
The enterprise application software that traditional supply chain ERP is such, the deployment of software and enforcement are more even more important than the function of software itself, performance, just in case dispose unsuccessfully, that all input is almost all wasted, such risk is that each enterprise customer wishes to avoid.The deployment cycle of common ERP, CRM project at least needs the time even more of a specified duration one or two years, and the deployment of the software project of SaaS pattern at most can not exceed 90 days yet, and user is without investing at software license and hardware aspect.Traditional software is subject to the restriction in [1] space and place in occupation mode, must on fixing equipment, use, and the software project of SaaS pattern can use in the place of any accessible Internet and time.For traditional software, SaaS pattern has very large advantage in various aspects such as the upgrading of software, service, Security Data Transmissions.
Summary of the invention
Technical problem: the present invention designs a kind of internet of things system structure that is applicable to extensive supply chain system based on SaaS pattern, this structure is based on SaaS pattern, pass through intelligent perception technology, realize the collection of the information to physical world, by merged the Technical Architecture forming by the network integration, data fusion and service, the final Intelligent internet of things architectural framework that is applicable to extensive supply chain system of realizing.
Technical scheme:
1. design a kind of internet of things system structure
Internet of Things be by etc. the sensing science and technology of various innovations be embedded in various objects, facility and the environment in the world; Information processing capability and intellectual technology are injected into each object the inside in the world by the Internet, make the material world by the datumization of very big degree life-giving, make that object meeting " is spoken ", meeting " thinking ", meeting " action "; It couples together all objects by various private network such as the various Access Networks such as information sensing equipment and existing the Internet, communication network, Broadcasting Cable Network and bluetooth and Office Network such as radio-frequency (RF) identification, realize intelligent identification and management; World's all things on earth is embedded in the Internet, thereby the material world and the Internet are combined together, all article in the whole world all add this network; " Internet of Things " gives intelligence and life to object.
In brief, Internet of Things relies on existing the Internet, by cognition technology, realizes information gathering to physical world, thereby realizes interconnected between thing and people, thing and thing.
The internet of things system structure proposing is divided into three levels:
The firstth, Sensor Network, by radio frequency identification equipment (RFID), sensing equipment, global positioning system or other acquisition of information modes, realizes the information gathering relevant with thing;
The secondth, transmission network, comprises our present the Internet, communication network, Broadcasting Cable Network and various Access Network and private network, and object is transmit and process gathering the information of coming;
The 3rd is application net, realizes the application service of institute's perception information by the terminal equipment such as mobile phone, PC.Wherein, between Sensor Network and transmission network, be connected by User Network Interface, between transmission network and application net, pass through
Applicable network interface is connected.
2. the Technical Architecture of Internet of Things
The Technical Architecture of Internet of Things is as follows: first, Internet of things terminals is sorted out respectively according to the type of physical entity, server and common data platform; Then, by the fusion between heterogeneous network, inter-network data can be shared and exchange, realized data fusion; The realization of data fusion to the terminal of same type with unified authentication or information portal, thereby realize the fusion of service, thereby realize thing and people, thing and thing and interpersonal interconnected.
3. the key technology of perception terminal
New internet of things system structure is introduced sensor network, sets it as a part for Sensor Network.Its topmost feature is to utilize various transducers to add the short distance wireless communication technology, such as the such technology of ZigBee forms an independently network.It generally provides local or the information exchange between thing and thing among a small circle, and it is one of key technology of adopting of internet of things endpoint.
Along with the development of the ICT (information and communication technology) such as microelectric technique, embedded technology, short-range communication technique, sensor technology, smart tag technology is with ripe, in real world, increasing physical entity needs self-organizing to realize intelligent environment perception and it is controlled and possess the ability of communication and information processing automatically.The feeler of network is constantly extended, more and more " article " enter information network inside and communicate, the physical entity quantity of access information communication network and scope can infinite expanding, cross network expand to the communication network of person to person, thing and thing by traditional person to person's information exchange.
Promote re-invent industry by sector application, improve and support the multimedization of perceived content, the key technology of modularization, promote the diversification of independent intellectual property right, the Design and manufacture of sensing node, design terminal and sensing node are at networking, software and hardware framework on collaborative, and break through key technology, and different sensing node and the network system standardization that finally can interconnect.
The terminal of Internet of Things is multifarious, miniaturization, intellectuality and low cost are the inevitable demands that Internet of Things specification is disposed, in addition Internet of Things needs address, each article need to be addressed in network, therefore just need an address, under the background that is about to exhaust in IPv4 resource, need IPv6 to support.
4. the key technology of transmission network
Since Internet of Things is as a network, that needs a unified network architecture and protocol basis naturally, can consider that in core aspect NGN/IMS merges at present, core protocol comprises SIP and TCP/IP etc., need to consider the fusion of multiple heterogeneous network and work in coordination with in access aspect.
The isomerism of network is mainly reflected in the following aspects:
1) isomerism that the frequency spectrum resource that different radio band characteristics causes uses;
2) otherness in implementation of the design of different networking access technologies is used air interface and related protocol and not compatibility;
3) variation of business;
4) variation of terminal;
5) the corresponding operation management strategy difference that different operators is implemented for heterogeneous network.Several aspects cross above, influences each other and has formed the isomerism of wireless network.Stability, reliability and the high efficiency of this isomerism to network brings challenges, and brought very large problem to mobile management, joint radio resource management, quality of service guarantee etc. simultaneously.
The fusion of heterogeneous network is the key that realizes the ubiquitous communication technology with working in coordination with.How the ubiquitous communication technology, for Internet of Things data provide Transfer pipe, strengthens on existing network, adapts to its key technology research of internet of things service Dependent Demand.
M2M (Machine To Machine) technology is also an important part for technology of Internet of things, and M2M is commonly considered as the Wireless Data Transmission of machine to machine, sometimes also comprises Human-to-Machine and the machine transfer of data to people.
5. the key technology of application net
The key technology of application net mainly comprises business support and Intelligent treatment key technology and Internet of Things service platform technology.
First business support needs the business demand of Internet of Things to conduct a research, by the combing to related service demand and business scenario, carry out business function and signature analysis, define general business function, then isolate networking Internet resources, design can be expanded the business structure of supporting that all kinds of business and complicated composition service thereof provide, and research and development service distribution platform and third party's open service interface platform are realized the distribution of services mechanism with bottom heterogeneous network independence.Realize exchanges data and be converted to target to the network platform of information processing, improve internet of things service support system.
Internet of Things will comprehensively analyze and provide more intelligent service to information, the intelligent potentiality, social materials and the energy resources potentiality that promote people are given full play to, and social economy is moved to rationalization future development efficient, high-quality.The IN service of Internet of Things is applied public service back-up environment is provided for various industries are concrete.The opening of building relation between application subset and the general character support platform of Industry-oriented and platform and normalization are by the key issue that becomes following application deployment and will consider.
The effect of forming a connecting link of Internet of Things service platform technique functions, provides the interface of opening to upper layer application, shield the difference of various different accesses downwards.Provide that general mark, route, addressing, management, business provides, the function such as Service control and triggering, QoS control, fail safe, charging, these functions are by middleware (Middleware) technology, object oriented analysis service (Object Name Service, ONS) key technology such as technology, physical mark-up language (PhysicalMarkup Language, PML) realizes.
6. in internet of things system structure, introduce SaaS technology
SaaS is that Software-as-a-service(software serve) abbreviation, be along with the development of Internet technology and the maturation of application software, and 21 century start rise a kind of completely innovation software application pattern.It and " on-demand software " (software as required), the application service provider (ASP, application service provider), hosted software (Hosted Software) has similar implication.It is a kind of pattern that software is provided by Internet, manufacturer by application software unified plan on the server of oneself, client can be according to own actual demand, order required application software service by the Internet to manufacturer, by the service of ordering, how many and time length is to manufacturer's defrayment, and obtains by the Internet the service that manufacturer provides.User need not buy software again, rent the software based on Web and use instead to provider, carry out management enterprise business activities, and without software is safeguarded, service provider understands full powers and administers and maintains software, software vendor, in providing internet, applications to client, also provides off-line operation and the local datastore of software, the software and services that allows user can use it to order whenever and wherever possible.For dissimilar enterprise, SaaS is the preferred approach of sophistication, and it has eliminated the needs of enterprise's purchase, structure and maintain infrastructure and application program.
SaaS service mode and traditional Licensing Model software are very different, and it is the development trend of following extensive supply chain management software.The traditional services of comparing mode SaaS has the feature of a lot of uniquenesses: SaaS has not only reduced or cancelled traditional soft ware authorization expense, and manufacturer is deployed in application software on unified server, exempted the expenditure of end user's server hardware, Network Security Device and software upgrading maintenance, client need to other IT investment except PC is connected with the Internet just can not obtain required software and services by the Internet.In addition, a large amount of new technologies, as Web Service, provide more simply, more flexibly, more practical SaaS.
Beneficial effect: the present invention has the following advantages:
1. the three-layer architecture of Internet of Things is proposed: Sensor Network, transmission network and application net;
2. proposed the Technical Architecture of Internet of Things, what merge by the network integration, data fusion and service is progressive, finally realizes thing and people, thing and thing and interpersonal interconnected.
3. merged the key technology of perception terminal, the terminal of different entities type is realized intelligent environment perception and it is controlled and possess the ability of communication and information processing automatically by self-organizing;
4. proposed to adopt SaaS technology in the transmission network of Internet of Things is netted with application.
Brief description of the drawings
Fig. 1 is the structural representation of the related SaaS service mode of the present invention;
Fig. 2 is the structural representation that the present invention is based on the Internet of Things framework of SaaS pattern.
Embodiment
Referring to Fig. 1 and Fig. 2, the present invention mainly designs a kind of Internet of Things framework based on SaaS pattern, this structure is relied on existing the Internet, pass through cognition technology, realize the collection of the information to physical world, by merged the Technical Architecture forming by the network integration, data fusion and service, utilize cloud computing technology, finally realize thing and people, people and thing and interpersonal interconnected.
1. Internet of Things three-layer architecture
Internet of Things relies on existing the Internet, by cognition technology, realizes information gathering to physical world, thereby realizes interconnected between thing and people, thing and thing.
Internet of Things is mainly divided into three levels at present: the firstth, and Sensor Network, by the various technological means of mentioning in definition, realizes the information gathering relevant with thing; The secondth, transmission network, comprises our present the Internet, communication network, Broadcasting Cable Network and various Access Network and private network, and object is transmit and process gathering the information of coming; The 3rd is application net, realizes the application service of institute's perception information by the terminal equipment such as mobile phone, PC.
A. Sensor Network
Sensor Network is that the periphery of Internet of Things extends net, refers to the small node of transducer, data processing unit and communication unit, the wireless network consisting of Ad hoc mode.Along with the development of the ICT (information and communication technology) such as microelectric technique, embedded technology, short-range communication technique, sensor technology, smart tag technology is with ripe, in real world, increasing physical entity needs self-organizing to realize intelligent environment perception and it is controlled and possess the ability of communication and information processing automatically.
The feeler of network is constantly extended, more and more " article " enter information network inside and communicate, the physical entity quantity of access information communication network and scope can infinite expanding, cross network expand to the communication network of person to person, thing and thing by traditional person to person's information exchange.
B. transmission network
Transmission network is the nervous system of Internet of Things, mainly carries out the transmission of information.This transmission network comprises Access Network and core net.Access Network provides basic network access facility, mobile management, optimization to existing access technology etc. for terminal, and Access Network comprises the technology such as various access in radios, wireless access, inserting of satellite.Core net is unification, high-performance, the extendible packet network based on IP, supports heterogeneous access and mobility.Core net overlaps to a great extent with the infrastructure of existing communication network and internet.
Transmission network will be according to the service feature of Sensor Network, and optimized network characteristic realizes thing and thing, thing and people and interpersonal communication better, and this just requires to set up an overall internet of things end to end.Communication network will become the basic bearer network of Internet of Things, and mobile communication terminal also can be realized the fusion with internet-of-things terminal.In Internet of Things, be the access of ubiquitousization, the access of isomery, communication network provides widely and interconnects in several ways.Form an autonomous network in part, also will connect large network, this is the networking structure of a level.This will be by wired and wireless technology, realizes seamless transparent access.
C. apply net
Application net is information processing and the application of Internet of Things.Application net relates to the multiple technologies such as the Intelligent treatment, Distributed Calculation, middleware, INFORMATION DISCOVERY of magnanimity information.Wherein, at this one deck of intellectual analysis, cloud computing is the key element of controlling.The utilization of cloud computing technology, makes the real-time dynamic management of hundreds of millions of all kinds of article become possibility.Along with the development of Internet of Things application, the growth of terminal quantity, can process magnanimity information by cloud computing, carry out aid decision, promote Internet of Things information processing capability.
Wherein, between Sensor Network and transmission network, be connected by User Network Interface, between transmission network and application net, be connected by applicable network interface.
2. the Technical Architecture of Internet of Things
Taking school as example, the Technical Architecture of Internet of Things is described.Fig. 2 has shown the Technical Architecture of Internet of Things:
First, Internet of things terminals is sorted out respectively according to the type of physical entity, server and common data platform;
Then, by the fusion between heterogeneous network, inter-network data can be shared and exchange, realized data fusion; The realization of data fusion to the terminal of same type with unified authentication or information portal, thereby realize the fusion of service, thereby realize thing and people, thing and thing and interpersonal interconnected.
3. the key technology of perception terminal
New internet of things system structure is introduced sensor network, sets it as a part for sensor-based system.Perception terminal node not only can provide the information of things itself, and can survey, stores, processes and even merge the various information relevant to things, thereby provides various related informations to information network space.
Along with the development of the ICT (information and communication technology) such as microelectric technique, embedded technology, short-range communication technique, sensor technology, smart tag technology is with ripe, in real world, increasing physical entity needs self-organizing to realize intelligent environment perception and it is controlled and possess the ability of communication and information processing automatically.The feeler of network is constantly extended, more and more " article " enter information network inside and communicate, the physical entity quantity of access information communication network and scope can infinite expanding, cross network expand to the communication network of person to person, thing and thing by traditional person to person's information exchange.
Promote re-invent industry by sector application, improve and support the multimedization of perceived content, the key technology of modularization, promote the diversification of independent intellectual property right, the Design and manufacture of sensing node, design terminal and sensing node are at networking, software and hardware framework on collaborative, and break through key technology, and different sensing node and the network system standardization that finally can interconnect.
The terminal of Internet of Things is multifarious, miniaturization, intellectuality and low cost are the inevitable demands that Internet of Things specification is disposed, in addition Internet of Things needs address, each article need to be addressed in network, therefore just need an address, under the background that is about to exhaust in IPv4 resource, need IPv6 to support.
The main research of wireless sensor network comprises the many levels such as communication, networking, management and distributed information processing.Wherein communication is mainly studied Communication Protocol for Wireless Sensor Network with networking, comprises physical layer, data link layer and network layer.Management and the service that support technology use is communicated by letter and networking part provides, and provide service support to application system, mainly comprise topology control, QoS control, energy conservation, location and time synchronized etc.
Periphery as Internet of Things extends one of net, and the application prospect of wireless sensor network is boundless.Can be widely used between military affairs, environmental monitoring and forecast, health care, Smart Home, building condition monitoring, urban transportation, large car and storehouse management, and the field such as the safety monitoring of airport, large scale industry garden.
4. the key technology of transmission network
Any terminal node can be realized ubiquitous interconnected in Internet of Things.The network being formed by node, as sensor network, RFID, household net, individual territory net, local area network (LAN), body area network, car territory net etc., framework is on basic communication network, thus an extensive interconnected network of formation.Broadband, movement, fusion, intellectuality, ubiquitousization are the development trends of whole communication network.Internet of Things will meet following different informationization application, requires basic network to have different secure and trusted grades and different service quality (QoS) network capabilities.
Since Internet of Things is as a network, that needs a unified network architecture and protocol basis naturally, can consider that in core aspect NGN/IMS merges at present, core protocol comprises SIP and TCP/IP etc., need to consider the fusion of multiple heterogeneous network and work in coordination with in access aspect.
The isomerism of network is mainly reflected in the following aspects:
1) isomerism that the frequency spectrum resource that different radio band characteristics causes uses;
2) the air interface design that different networking access technologies is used and related protocol are in implementation
On otherness and compatibility not;
3) variation of business;
4) variation of terminal;
5) the corresponding operation management strategy difference that different operators is implemented for heterogeneous network.
Several aspects cross above, influences each other and has formed the isomerism of wireless network.Stability, reliability and the high efficiency of this isomerism to network brings challenges, and brought very large problem to mobile management, joint radio resource management, quality of service guarantee etc. simultaneously.
The fusion of heterogeneous network is the key that realizes the ubiquitous communication technology with working in coordination with.How the ubiquitous communication technology, for Internet of Things data provide Transfer pipe, strengthens on existing network, adapts to its key technology research of internet of things service Dependent Demand.
M2M (Machine To Machine) technology is also an important part for technology of Internet of things, and M2M is commonly considered as the Wireless Data Transmission of machine to machine, sometimes also comprises Human-to-Machine and the machine transfer of data to people.M2M technology is the innovation of existing wireless communications technology in application, has had a large amount of application examples at home and abroad.There are multiple technologies to support the host-host protocol between the terminal in M2M network.Mainly contain at present IEEE802.11a/b/g and Zigbee.The two be all operated in 2.4GHZ from primary band, communication aspects at M2M respectively has superiority, and adopts the transmission of WLAN mode, easily obtains higher data rate, also easily obtain the support of computer network, but adopt the terminal of Zigbee agreement more easily under rugged environment, to finish the work.
5. the key technology of application net
A. business support and Intelligent treatment key technology
First business support needs the business demand of Internet of Things to conduct a research, specifically comprise application demand and the scene research of Internet of Things, wherein communication object need to consider thing to thing, people to thing etc., service object need to consider sector application, domestic. applications, individual application, access way etc.By the combing to related service demand and business scenario, carry out business function and signature analysis, define general business function.Then isolate networking Internet resources, design can be expanded the business structure of supporting that all kinds of business and complicated composition service thereof provide, and research and development service distribution platform and third party's open service interface platform are realized the distribution of services mechanism with bottom heterogeneous network independence.Taking Industry-oriented Informatization Service as main, individual public service is auxiliary, builds common techniques and business platform, realizes exchanges data and is converted to target to the network platform of information processing, improves internet of things service support system.
Business support system need to be in conjunction with P2P, cloud computing distributed Computational frame technology, and the data of delivering to through sensing layer and network layer are carried out to intelligent analysis and processing.Cloud computing refers to the supercomputing pattern based on the Internet, namely the bulk information and the processor resource that are stored on PC, mobile phone and other equipment are concentrated in together, work in coordination with and carry out work, this is one extendible information technology ability on great scale, and a kind of account form providing as service to external client.In open environment of internet of things, use cloud computing to be very important.First because internet of things service type many, relate to the characteristics such as industry is wide, application type difference is large, and business datum rate is huge, traditional hardware environment is difficult to support; In addition, operator has accumulated a large amount of idle computing capabilitys and storage capacity for a long time, is necessary to be used, and this is also the requirement of environmental protection; Also has the increase along with service developer, application deployment quantity, a large amount of self-defined business are moved simultaneously, and the requirement of its computing capability presents growth trend, and platform is caused to performance pressure, server CPU disposal ability and memory size, be all difficult to meet the operation of ever-increasing business.So need to introduce elasticity computing capability is a basic demand.In storage, introduce cloud computing, also with the demand class of elasticity computing capability seemingly.The thought that the application of cloud has comprised " strength is joined together, use to each member wherein ".In cloud computing, be not only concentrating of computing capability, also comprise greatly concentrating of data and software, the calculating in cloud computing is ubiquitous, and its ability is infinitely powerful.
B. Internet of Things service platform technology
Internet of Things will comprehensively analyze and provide more intelligent service to information, the intelligent potentiality, social materials and the energy resources potentiality that promote people are given full play to, and social economy is moved to rationalization future development efficient, high-quality.The IN service of Internet of Things is applied public service back-up environment is provided for various industries are concrete.The opening of building relation between application subset and the general character support platform of Industry-oriented and platform and normalization are by the key issue that becomes following application deployment and will consider.
For the demand that can dispose and apply, to grasp, Ubiquitous Network can be managed, can control, independent intellectual property right trusty is as target, emphasis solve under extensive self-organizing operation mode from administrative model method and key technical problem, and form standardization, simultaneously can run target for Ubiquitous Network, tentatively improve node, terminal, gateway, the network element of Ubiquitous Network information interaction, the credible system of support frame, study the controlled credible platform framework of ubiquitous fusion; Ensure quality of service and Quality of experience; Support ubiquitous isomery to merge multiple business model, and the management functions such as signing negotiation are provided; Protection user data privacy.
The effect of forming a connecting link of Internet of Things service platform technique functions, provides the interface of opening to upper layer application, shield the difference of various different accesses downwards.Provide that general mark, route, addressing, management, business provides, the function such as Service control and triggering, QoS control, fail safe, charging, these functions are by middleware (Middleware) technology, object oriented analysis service (Object Name Service, ONS) key technology such as technology, physical mark-up language (PhysicalMarkup Language, PML) realizes.
Apply for Internet of Things, because need business datum to be processed may be across industry-by-industry, and the individual sexual demand of considering again industry-by-industry application is different, therefore introduce " middleware (MiddlewWare is abbreviated as MW) " i.e. concept of " application of general-purpose platform+son " in application layer.By exchange and the common management functionality of general-purpose platform or Middleware implementation public information, the personalized application of industry-by-industry presents the mode of applying by son.
Middleware is independently systems soft ware or service routine of one, and Distributed Application software is by means of middleware shared resource between different technology.On it is positioned on the operating system of server and database, under application software.Its effect is supervisory computer resource and network communication, connects the software of two stand-alone utilities or autonomous system.The effect that visible middleware plays " bridge " at this, can make the system that is connected, though they there is different interfaces still can exchange message.Therefore middleware is the carrier that an information is transmitted, and can make application work in multi-platform or multiple operating system.Middleware is being played the part of the role who forms a connecting link between distributed client and service, as transaction management, load balancing and the calculating based on Web etc.Also only in distributed system, be just middleware, simultaneously also soft with application to it and systems soft ware
Part difference is come.As can be seen here, cloud computing is also a kind of middleware.
6. in internet of things system structure, introduce cloud computing technology
In open environment of internet of things, use cloud computing to be very important.In storage, introduce cloud computing, also with the demand class of elasticity computing capability seemingly.In cloud computing, be not only concentrating of computing capability, also comprise greatly concentrating of data and software, the calculating in cloud computing is ubiquitous, and its ability is infinitely powerful.
In the transmission network of Internet of Things and application net, all introduce the computational problem that cloud computing technology solves magnanimity information.
A. cloud computing is applied in transmission network
The fusion of heterogeneous network in transmission network, the new business, the feature of mode of operation and the isomery of blending, terminal equipment feature, extensibility and robustness that consider heterogeneous network merge demand, and under the limited constraints of energy, frequency spectrum resource, storage resources, calculating energy, design the open frame of ubiquitous wireless network, support Intelligent Fusion and the reconstruct of Ubiquitous Network, realize the seamless interconnected of the thing of all kinds of labels, sensor and thing, support various application services.Open merge to build one, energy-efficient, the network of supporting ubiquitous Information Mobile Service is as target, the fusion that realizes heterogeneous network by key technologies such as various access technologies, business-driven networking and addressing technique, cognition network and ubiquitous mobile management with work in coordination with.In the fusion process of heterogeneous network, need to adopt cloud computing technology to process complicated data processing and calculating, finally realize the network integration.
B. cloud computing is applied in application net
Application net the information of the upper layer application of transmission network is translated and is transmitted, carry out Data Collection and integrated, by all data storages, intellectual analysis etc., according to people result need to be presented to user, by people is used.Wherein, at this one deck of intellectual analysis, cloud computing is the key element of controlling.The utilization of cloud computing technology, makes the real-time dynamic management of hundreds of millions of all kinds of article become possibility.Along with the development of Internet of Things application, the growth of terminal quantity, can process magnanimity information by cloud computing, carry out aid decision, promote Internet of Things information processing capability.Therefore, cloud computing, as a kind of solution of virtual, hardware/software operation, can provide efficient calculating, storage capacity for Internet of Things, for the Internet of Things of ubiquitous link provides network
Engine.Business support system need to be in conjunction with P2P, cloud computing distributed Computational frame technology, and the data of delivering to through sensing layer and network layer are carried out to intelligent analysis and processing.
Claims (5)
1. the Internet of Things framework based on SaaS pattern, it is characterized in that, the architecture of this system comprises three layers: i.e. Sensor Network, transmission network and application net, on the basis of this architecture, by merged the technology of Internet of things framework forming by the network integration, data fusion and service, three kinds of fusions in this Technical Architecture are embodied respectively in three layers of internet of things system structure:
A. Sensor Network: the periphery that Sensor Network is Internet of Things extends net, refers to the small node of transducer, data processing unit and communication unit, the wireless network consisting of Ad hoc mode;
B. transmission network: transmission network is the nervous system of Internet of Things, mainly carry out the transmission of information, this transmission network comprises Access Network and core net, Access Network provides basic network access facility, mobile management, optimization to existing access technology for terminal, Access Network comprises various access in radios, wireless access, inserting of satellite, core net is unification, high-performance, the extendible packet network based on IP, supports heterogeneous access and mobility;
C. apply net: application net is information processing and the application of Internet of Things, application net relates to Intelligent treatment, Distributed Calculation, middleware, the INFORMATION DISCOVERY multiple technologies of magnanimity information;
Wherein, between Sensor Network and transmission network, be connected by User Network Interface, between transmission network and application net, be connected by applicable network interface;
The Technical Architecture of Internet of Things: Internet of things terminals is sorted out respectively according to the type of physical entity, server and common data platform; Then, by the fusion between heterogeneous network, inter-network data can be shared and exchange, realized data fusion; The realization of data fusion to the terminal of same type with unified authentication or information portal, thereby realize the fusion of service, thereby realize thing and people, thing and thing and interpersonal interconnected.
2. according to the Internet of Things framework based on SaaS pattern described in claim 1, it is characterized in that, described Sensor Network, it comprises transducer, RFID, GPS, two-dimensional bar code recognizer, self-organizing network, sensor network, short-distance wireless communication, low-power consumption route and the perception terminal taking wireless sensor network and RFID technology as representative, and Sensor Network is connected with transmission network by gateway.
3. according to the Internet of Things framework based on SaaS pattern described in claim 1, it is characterized in that, described transmission network, it comprises Access Network and core net, Access Network provides basic network access facility, mobile management, optimization to existing access technology for terminal; Access Network comprises various access in radios, wireless access, satellite technology; Core net mainly comprises basic NGN core net and 3G, WiFi, bluetooth access technology; Transmission network lower floor is connected with transmission network by gateway by Access Network, and upper strata is connected with application net by middleware.
4. according to the Internet of Things framework based on SaaS pattern described in claim 1, it is characterized in that, described application net, sublayer is supported in the application being made up of middleware, information opening platform and service support platform and Internet of Things application demonstration system forms.
5. according to the Internet of Things framework based on SaaS pattern described in claim 1, it is characterized in that described transmission network and application net, in this is two-layer, introduced SaaS technology.
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