CN106789965A - A kind of Internet of Things data exchange method and system - Google Patents
A kind of Internet of Things data exchange method and system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
A kind of Internet of Things data exchange method and system are disclosed, methods described includes：Manager receives the catalogue retrieval request that party in request sends, and the catalogue retrieved after filtering is sent to party in request；If the catalogue after retrieval includes required data, demand direction manager sends catalog lookup requests；Manager receives catalog lookup requests, and the data resource access mode that catalog lookup requests are related to is sent to party in request；Party in request sends data exchange request according to data resource access mode to provider, and receives the data resource of provider's return；Wherein, exchange data catalogue includes：Data resource description information, data resource access mode.By providing the exchange data Grid Resource Discovery Mechanism of the exchange data catalogue based on manager, the problems such as efficiently solve the discovery of data present in data exchange process, data multi-source, isomery and real-time.
Description
Technical field
The present invention relates to internet of things field, more particularly to a kind of Internet of Things data exchange method and system.
Background technology
Internet of Things is the third wave of the world informationization development after computer, internet.Internet of Things is a kind of logical
The sensing apparatus such as radio frequency identification, infrared induction and video monitoring are crossed, article and internet are connected on the protocol basis of agreement
Get up, enter row information and exchange and communicate, to realize Weigh sensor, positioning, tracking, monitoring and the network of management.
At present, in fields such as smart city, intelligence manufacture, management of public safetys, it is related to cooperating for a large amount of departments, compels
Being essential will carry out fusion treatment to the real-time Internet of Things data of different system.But, the Internet of Things data produced between different system
Because data source is extensive, data form is various, data genaration discrete frequency, tend not to carry out effective data exchange, enter
And the performance that Internet of Things data is worth is limited, reduce the effectiveness of Internet of Things data.
In consideration of it, need badly it is a kind of adapt to the solution that Internet of Things data is exchanged between different system, with effective solution never
The problems such as data discovery, data multi-source, Heterogeneous data and data exchange real-time for existing when being swapped with Internet of Things data.
The content of the invention
It is an object of the invention to propose it is a kind of adapt to the method and system that Internet of Things data is exchanged between different system, with
Effectively solve data discovery, data multi-source, Heterogeneous data and the data exchange reality existed when different Internet of Things data are swapped
The problems such as when property.
On the one hand, the invention provides a kind of Internet of Things data exchange method, including：
S1, demand direction manager send catalogue retrieval request；
S2, manager retrieve according to the catalogue retrieval request to the exchange data catalogue in catalog data base, and
The catalogue retrieved after filtering is sent to party in request；
S3, party in request parse to the catalogue after the retrieval filtering, if the catalogue after the retrieval filtering is included needing
Data needed for the side of asking, then send catalog lookup requests to manager；
S4, manager receive the catalog lookup requests, and the data resource access that the catalog lookup requests are related to
Mode is sent to party in request；
S5, party in request generate data exchange request, and receive provider's return according to the data resource access mode
Data resource；
Wherein, the exchange data catalogue includes：Data resource description information, data resource access mode.
Preferably, before step S1, methods described also includes：Direction manager is provided and sends catalogue registration request；Pipe
Reason side receives the catalogue registration request, and the exchange data catalogue that the catalogue registration request is carried is carried out into registration issue；
Preferably, after manager receives the catalogue registration request, methods described also includes：Manager is according to described
The authentication information that catalogue registration request is carried is authenticated to provider；If provider is by authentication, by the catalogue
The exchange data catalogue that registration request is carried carries out registration issue；If not by authentication, management orientation provider return provider
Return the response message of registration request failure.
Preferably, after manager receives the catalog lookup requests, methods described also includes：Manager is from the mesh
The provider of catalogue to be checked is parsed in record inquiry request；The data exchange permissions list that inquiry is prestored；If the need
The side of asking belongs to data-direct connection supply and demand group with the provider of the catalogue to be checked, then manager is by the data resource access of provider
Mode is sent to party in request；Wherein, the data exchange permissions list includes：Data-direct connection supply and demand group, data relay supply and demand group.
Preferably, if the party in request belongs to data relay supply and demand group with the provider of the catalogue to be checked, manage
Side sends to party in request the data resource access mode of itself；Party in request is according to the data resource access mode of manager to pipe
Reason side sends data exchange request, and the data exchange request is forwarded into provider by manager, and receives by manager
The data resource of forwarding.
Preferably, the data resource access mode includes：Interface message；The interface message includes：Interface protocol is said
Bright, data-interface title, data-interface address, interface data renewal frequency.
Preferably, after step S1, before step S2, methods described also includes：Manager retrieves according to the catalogue
The authentication information for carrying is asked to authenticate party in request；If party in request is by authentication, after manager will retrieve filtering
Catalogue send to party in request；If not by authentication, management orientation provider returns to the response of retrieval request failure for party in request
Information.
On the other hand, present invention also offers a kind of Internet of Things data exchange system, the system includes：Multiple is provided
Side, manager, multiple parties in request；
Provider, for manager send catalogue registration request, and receive party in request send data exchange request,
And according to the data exchange request to party in request's returned data resource；
Manager, for receive provider transmission catalogue registration request and by the catalogue registration request carry friendship
Changing data directory carries out registration issue；It is additionally operable to receive the catalogue retrieval request that party in request sends, please according to catalogue retrieval
Ask and the exchange data catalogue in catalog data base is retrieved, and the catalogue retrieved after filtering is sent to party in request, and
Receive catalog lookup requests that party in request sends and the data resource access mode that is related to the catalog lookup requests send to
Party in request；
Party in request, for sending catalogue retrieval request to manager and receiving the catalogue after the retrieval filtering, Yi Jixiang
Manager sends catalog lookup requests and receives the data resource access mode that the catalog lookup requests are related to, and according to
The data resource access mode sends data exchange request to provider, and receives the data resource of provider's return；
Wherein, the exchange data catalogue includes：Data resource description information, data resource access mode.
Preferably, after the catalogue registration request is received, the manager is additionally operable to：Please according to catalogue registration
The authentication information of carrying is asked to authenticate provider；If provider is taken the catalogue registration request by authentication
The exchange data catalogue of band carries out registration issue；If not by authentication, management orientation provider returns to registration request to provider
The response message of failure.
Preferably, manager is additionally operable to after the catalog lookup requests are received：Solved from the catalog lookup requests
Separate out the provider of catalogue to be checked；The data exchange permissions list that inquiry is prestored；If the party in request is to be checked with described
The provider for asking catalogue belongs to data-direct connection supply and demand group, then manager sends to demand the data resource access mode of provider
Side；Wherein, the data exchange permissions list includes：Data-direct connection supply and demand group, data relay supply and demand group.
Preferably, if the party in request belongs to data relay supply and demand group with the provider of the catalogue to be checked, manage
Side sends to party in request the data resource access mode of itself；Party in request is according to the data resource access mode of manager to pipe
Reason side sends data exchange request, and the data exchange request is forwarded into provider by manager, and receives by manager
The data resource of forwarding.
Preferably, manager examines according to the catalogue retrieval request to the exchange data catalogue in catalog data base
Before rope, it is additionally operable to：Party in request is authenticated according to the authentication information that the catalogue retrieval request is carried；If party in request
By authentication, then the catalogue retrieved after filtering is sent to party in request；If party in request by authentication, does not return to party in request and examines
The response message of rope request failure.
As can be seen from the above technical solutions, the present invention is by will be comprising data resource description information, data resource access
The catalogue issue of mode carries out data exchange, efficiently solves in manager, the catalogue that both sides of supply and demand can be issued according to manager
The problems such as discovery of data present in data exchange, Heterogeneous data and data exchange real-time.
Brief description of the drawings
By the specific embodiment part of offer referring to the drawings, the features and advantages of the present invention will become more
It is readily appreciated that, in the accompanying drawings：
Fig. 1 is the Internet of Things data exchange method schematic flow sheet in the embodiment of the present invention；
Fig. 2 is the Internet of Things data exchange system composition frame diagram in the embodiment of the present invention；
1st, provider；2nd, manager；3rd, party in request.
Specific embodiment
Illustrative embodiments of the invention are described in detail with reference to the accompanying drawings.Illustrative embodiments are retouched
State merely for the sake of demonstration purpose, and be definitely not to the present invention and its application or the limitation of usage.
In the prior art, because data source is different extensively, data form difference, data between different Internet of things system
The differences such as access frequency difference, tend not to carry out effective data exchange.In consideration of it, the present inventor proposes one kind
New Internet of Things data exchange method and system.Main thought of the invention is：To be provided comprising data resource description information, data
In manager, then, party in request can be by retrieval, searching and managing side for the exchange data catalogue registration issue of source access mode
Exchange data catalogue, the access mode of data resource needed for obtaining, the data resource access mode provided by provider is generated
Data exchange request, to realize that Internet of Things data is exchanged.So, the data for having pin to solve during Internet of Things data is exchanged are sent out
The problems such as existing, Heterogeneous data and real-time.
It is pointed out that in the present invention, there is provided side can be an Internet of things system or an Internet of Things system
Component in system；Party in request can be the component in an Internet of things system or an Internet of things system；Manager can be with
It is a single Internet of things system outside party in request, provider, or Internet of Things where party in request or provider
One component of system.
Technical scheme is described in detail with specific embodiment below in conjunction with the accompanying drawings.Fig. 1 is of the invention real
Apply the Internet of Things data exchange method schematic flow sheet in example.It can be seen from figure 1 that the method mainly includes step S1 to step S5.
Step S1, demand direction manager send catalogue retrieval request.
In the specific implementation, party in request can send catalogue retrieval request in wired or wireless communication mode.Wherein, the mesh
Record retrieval request includes authentication information, the search condition of party in request.
After the catalogue retrieval request is received, manager first parses the identity of party in request from the retrieval request
Authentication information, search condition, authenticate further according to the authentication information for parsing to party in request.If party in request is by mirror
Power, then into step S2；If party in request is not by authentication, management orientation provider returns to the response letter of retrieval request failure
Breath.
The search condition that step S2, manager are carried according to the catalogue retrieval request is to the exchange number in catalog data base
Retrieved according to catalogue, and the catalogue retrieved after filtering is sent to party in request.
In step S1, S2, response of the catalogue retrieval request, manager that party in request sends to the retrieval request can be used
Message form.Wherein, the parameter that catalogue retrieval request message is related to as shown in table 1, is related to the response message of retrieval request
Parameter is as shown in table 2.
Table 1
Table 2
Step S3, party in request parse to the catalogue after the retrieval filtering, if the catalogue bag after the retrieval filtering
Containing the data needed for party in request, then catalog lookup requests are sent to manager.
Specifically, party in request receive it is described retrieval filtering after catalogue after, first to retrieval filtering after catalogue
Parsed, required data are determined whether further according to analysis result.If in the presence of required data, demand direction manager sends
Catalog lookup requests, to obtain the access mode of required data.If the data in the absence of needed for, terminate this retrieval flow.
In the step, the catalog lookup requests that party in request sends can use message form.Wherein, the parameter that catalog lookup requests are related to is such as
Shown in table 3.
Table 3
Step S4, manager receive the catalog lookup requests, and the data resource that the catalog lookup requests are related to
Access mode is sent to party in request.Wherein, the data resource access mode includes：Interface message；The interface message includes：
Interface protocol explanation, data-interface title, data-interface address, interface data renewal frequency.
In a preferred embodiment, after the catalog lookup requests are received, manager is first from the catalogue
The provider of catalogue to be checked is parsed in inquiry request, then inquires about the data exchange permissions list for prestoring accordingly.Wherein,
The data exchange permissions list includes：Data-direct connection supply and demand group, data relay supply and demand group.If the party in request is to be checked with described
The provider for asking catalogue belongs to data-direct connection supply and demand group, then manager sends to demand the data resource access mode of provider
Side.If the party in request and the provider of the catalogue to be checked belong to data relay supply and demand group, manager is by the number of itself
Sent to party in request according to resource access mode.For example, when party in request is B Internet of things system, the provider of catalogue to be checked is A things
Networked system, and A, B Internet of things system belong to data-direct connection supply and demand group, then manager visits the data resource of A Internet of things system
The mode of asking issues B Internet of things system.By pre-setting data exchange permissions list, can be provided in the data to each Internet of Things
On the basis of source is managed collectively, the requirement of various data exchange scenes is met, improve flexibility and the peace of data exchange
Quan Xing.
Step S5, party in request generate data exchange request according to the data resource access mode, and receive provider and return
The data resource for returning.
Specifically, party in request is when the data resource access mode of provider is received, first according to the data of provider
Resource access mode generates data exchange request, and data exchange request then is sent directly into provider, then directly receives and carry
The data resource that supplier returns.Party in request when the data resource access mode of manager is received, first according to the number of manager
Data exchange request is generated according to resource access mode, then data exchange request is sent institute to manager and by manager
State data exchange request and be forwarded to provider, then receive the data resource forwarded by manager.
In another preferred embodiment, except step S1 to S5, the Internet of Things data exchange method also includes step
Rapid S, step S0.
Step S, offer direction manager send catalogue registration request.Wherein, the catalogue registration request is carried and exchanges number
According to catalogue and the authentication information of provider.
Step S0, manager receive the catalogue registration request, and the exchange data that the catalogue registration request is carried
Catalogue carries out registration issue.
Specifically, after manager receives the catalogue registration request, manager first please according to catalogue registration
The authentication information of carrying is asked to authenticate provider.If provider is registered the catalogue by authentication, manager
Asking the exchange data catalogue for carrying carries out registration issue；If not by authentication, management orientation provider returns to note to provider
The response message of volume request failure.
By step S, S0, the data resource description information of provider, data resource access mode can be carried out to unify note
Volume issue, management.When there is data exchange demand, party in request from manager's retrieval, data needed for inquiry, and can obtain data
Resource access mode.So, party in request only need to generate data exchange request i.e. according to the data resource access mode for obtaining
Can, the influence for causing is exchanged to data so as to effectively prevent the differences such as data multi-source, isomery, improve different Internet of things system
Between carry out the efficiency of data exchange.
The embodiment of the present invention additionally provides a kind of Internet of Things data exchange system.Fig. 2 is shown in the embodiment of the present invention
The composition frame diagram of Internet of Things data exchange system.As it is clear from fig. 2 that the system is specifically included：Multiple providers 1, manager 2,
Multiple parties in request 3.It is pointed out that the provider, party in request described in the embodiment of the present invention are a relative concepts.Example
Such as, both the side of may be provided as provides data for B Internet of things system to A Internet of things system, and A Internet of things system also can be used as party in request
Data are obtained from B Internet of things system.
Provider 1, and for sending catalogue registration request to manager 2, and the data exchange that reception party in request 3 sends please
Ask and according to the data exchange request to the returned data resource of party in request 3.
Manager 2, for receive provider 1 transmission catalogue registration request and by the catalogue registration request carry
Exchange data catalogue carries out registration issue.Wherein, the exchange data catalogue includes：Data resource description information, data resource
Access mode.In a preferred embodiment, after the catalogue registration request is received, manager 2 is additionally operable to：According to institute
The authentication information for stating the carrying of catalogue registration request is authenticated to provider 1；If provider 1 is by authentication, will be described
The exchange data catalogue that catalogue registration request is carried carries out registration issue；If not by authentication, management orientation is provided provider 1
Side returns to the response message of registration request failure.
Party in request 3, for sending catalogue retrieval request to manager 2 and receiving the catalogue after the retrieval filtering.And
And, party in request is additionally operable to send catalog lookup requests to manager 2, receives the data resource visit that the catalog lookup requests are related to
Mode is asked, and data exchange request is sent to provider 1 according to the data resource access mode, and receive provider 1 and returned
The data resource for returning.
Manager 2, are additionally operable to receive the catalogue retrieval request that party in request sends, according to the catalogue retrieval request to catalogue
Exchange data catalogue in database is retrieved, and the catalogue retrieved after filtering is sent to party in request, and receives demand
The catalog lookup requests and the data resource access mode that is related to the catalog lookup requests that side sends are sent to party in request.
Specifically, manager 2 first parses after the catalog lookup requests are received from the catalog lookup requests
The provider for going out catalogue to be checked, then inquires about the data exchange permissions list for prestoring accordingly.Wherein, the data exchange
Permissions list includes：Data-direct connection supply and demand group, data relay supply and demand group.If party in request belongs to the provider of the catalogue to be checked
In data-direct connection supply and demand group, then manager 2 sends to party in request the data resource access mode of provider, then demand root
Data exchange request is generated according to the data resource access mode of provider, data exchange is directly carried out with provider；If demand
The square provider with the catalogue to be checked belongs to data relay supply and demand group, then manager 2 is by the data resource access side of itself
Formula is sent to party in request, and then party in request generates data exchange request according to the data resource access mode of manager, to pass through
The transfer effect of manager carries out data exchange indirectly with provider.
Further, manager 2 enters according to the catalogue retrieval request to the exchange data catalogue in catalog data base
Before row retrieval, it is additionally operable to：Party in request is authenticated according to the authentication information that the catalogue retrieval request is carried；If needing
The side of asking then is sent to party in request the catalogue retrieved after filtering by authentication；If party in request by authentication, does not return to party in request
Return the response message of retrieval request failure.
Internet of Things data exchange method provided in an embodiment of the present invention and system, at least have the advantages that：
(1) data exchange under different scenes, is supported.The present invention is arranged by prestoring data exchange authority in manager
Table, directly carries out the demand of data exchange between can meeting Internet of things system, line number is entered indirectly between Internet of things system can be met again
According to the demand for exchanging, so as to improve the applicability of data exchange.
(2), to the compatibility of different data format.The present invention is by by the data resource access side of each Internet of things system
Formula unification issue is in manager so that interface protocol explanation, the data of provider were known before data exchange is carried out in party in request
The information such as interface name, data-interface address, interface data renewal frequency, so as to solve different system between due to Heterogeneous data
Etc. the problem that difference can not carry out effective data exchange.
(3), improve the real-time of data exchange.Party in request is obtained by the data access interface that provider provides and provided
Number formulary evidence, may be such that the data of provider can be obtained by the interface by party in request in real time.
Although with reference to illustrative embodiments, invention has been described, however, it is understood that the invention is not limited in
The specific embodiment for being described in detail in text and being shown, in the case of without departing from claims limited range, ability
Field technique personnel can make various changes to the illustrative embodiments.
Claims (10)
1. a kind of Internet of Things data exchange method, it is characterised in that methods described includes：
S1, demand direction manager send catalogue retrieval request；
S2, manager retrieve according to the catalogue retrieval request to the exchange data catalogue in catalog data base, and will inspection
Catalogue after rope filtering is sent to party in request；
S3, party in request parse to the catalogue after the retrieval filtering, if the catalogue after the retrieval filtering includes party in request
Required data, then send catalog lookup requests to manager；
S4, manager receive the catalog lookup requests, and the data resource access mode that the catalog lookup requests are related to
Send to party in request；
S5, party in request generate data exchange request, and receive the data of provider's return according to the data resource access mode
Resource；
Wherein, the exchange data catalogue includes：Data resource description information, data resource access mode.
2. the method for claim 1, it is characterised in that before step S1, methods described also includes：
Direction manager is provided and sends catalogue registration request；
Manager receives the catalogue registration request, and the exchange data catalogue that the catalogue registration request is carried is registered
Issue.
3. method as claimed in claim 2, it is characterised in that described after manager receives the catalogue registration request
Method also includes：
Manager authenticates according to the authentication information that the catalogue registration request is carried to provider；If provider passes through
Authentication, then carry out registration issue by the exchange data catalogue that the catalogue registration request is carried；If provider is not by authentication,
Management orientation provider returns to the response message of registration request failure.
4. the method for claim 1, it is characterised in that described after manager receives the catalog lookup requests
Method also includes：
Manager parses the provider of catalogue to be checked from the catalog lookup requests；
The data exchange permissions list that inquiry is prestored；If the party in request belongs to several with the provider of the catalogue to be checked
According to direct-connected supply and demand group, then manager sends to party in request the data resource access mode of provider；
Wherein, the data exchange permissions list includes：Data-direct connection supply and demand group, data relay supply and demand group.
5. method as claimed in claim 4, it is characterised in that if the party in request belongs to the provider of the catalogue to be checked
In data relay supply and demand group, then manager sends to party in request the data resource access mode of itself；Party in request is according to management
The data resource access mode of side sends data exchange request to manager, and is forwarded the data exchange request by manager
To provider, and receive the data resource forwarded by manager.
6. the method for claim 1, it is characterised in that the data resource access mode includes：Interface message；
The interface message includes：Interface protocol explanation, data-interface title, data-interface address, interface data renewal frequency.
7. a kind of Internet of Things data exchange system, it is characterised in that the system includes：Multiple providers, manager, Duo Gexu
The side of asking；
Provider, for sending catalogue registration request to manager, and receives data exchange request and root that party in request sends
According to the data exchange request to party in request's returned data resource；
Manager, for receive provider transmission catalogue registration request and by the catalogue registration request carry exchange number
Registration issue is carried out according to catalogue；It is additionally operable to receive the catalogue retrieval request that party in request sends, according to the catalogue retrieval request pair
Exchange data catalogue in catalog data base is retrieved, and the catalogue retrieved after filtering is sent to party in request, and is received
The catalog lookup requests and the data resource access mode that is related to the catalog lookup requests that party in request sends are sent to demand
Side；
Party in request, for sending catalogue retrieval request to manager and receiving the catalogue after the retrieval filtering, and to management
Side sends catalog lookup requests and receives the data resource access mode that the catalog lookup requests are related to, and according to described
Data resource access mode sends data exchange request to provider, and receives the data resource of provider's return；
Wherein, the exchange data catalogue includes：Data resource description information, data resource access mode.
8. system as claimed in claim 7, it is characterised in that after the catalogue registration request is received, the manager
It is additionally operable to：
Provider is authenticated according to the authentication information that the catalogue registration request is carried；If provider is by authentication,
The exchange data catalogue that the catalogue registration request is carried then is carried out into registration issue；If provider by authentication, does not manage
Direction provider returns to the response message of registration request failure.
9. system as claimed in claim 7, it is characterised in that manager also uses after the catalog lookup requests are received
In：The provider of catalogue to be checked is parsed from the catalog lookup requests；The data exchange authority row that inquiry is prestored
Table；If the party in request belongs to data-direct connection supply and demand group with the provider of the catalogue to be checked, manager is by provider's
Data resource access mode is sent to party in request；
Wherein, the data exchange permissions list includes：Data-direct connection supply and demand group, data relay supply and demand group.
10. system as claimed in claim 9, it is characterised in that if the provider of the party in request and the catalogue to be checked
Belong to data relay supply and demand group, then manager sends to party in request the data resource access mode of itself；Party in request is according to pipe
The data resource access mode of reason side sends data exchange request to manager, and is turned the data exchange request by manager
Provider is sent to, and receives the data resource forwarded by manager.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109325068A (en) * | 2018-08-10 | 2019-02-12 | 北京搜狐新媒体信息技术有限公司 | A kind of method for interchanging data and device |
| CN109951544A (en) * | 2019-03-14 | 2019-06-28 | 中国电子技术标准化研究院 | For Internet of Things information exchange and shared distributed method, apparatus and system |
| CN111787096A (en) * | 2020-06-29 | 2020-10-16 | 杭州数梦工场科技有限公司 | Data sharing exchange method, device and system |
| CN113094744A (en) * | 2021-03-29 | 2021-07-09 | 华控清交信息科技(北京)有限公司 | Information processing method, service platform, device for information processing and multi-party secure computing system |
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