CN108600348A - A kind of new decentralization educational resource storage system and method - Google Patents
A kind of new decentralization educational resource storage system and method Download PDFInfo
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- CN108600348A CN108600348A CN201810318339.4A CN201810318339A CN108600348A CN 108600348 A CN108600348 A CN 108600348A CN 201810318339 A CN201810318339 A CN 201810318339A CN 108600348 A CN108600348 A CN 108600348A
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
-
- 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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/604—Address structures or formats
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Security & Cryptography (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention discloses a kind of new decentralization educational resource storage system and method, thin cloud server establishes WLAN and stores teaching resource in this classroom, connects mobile terminal and uploads download request, storage and parsing educational resource address correspond to table；Cloud server storage teaching resource address corresponds to table；Mobile terminal connects the micro- cloud server user download instruction in strange land, connect local microenvironment Cloud Server, corresponding educational resource is downloaded according to download instruction, local microenvironment Cloud Server parses the educational resource address that local mobile terminal is sent, and pass through VPN connections strange land thin cloud server, local mobile terminal sends instructions to strange land thin cloud server, and downloads corresponding educational resource, and strange land thin cloud server receives instruction.The beneficial effects of the invention are as follows central server pressure is alleviated, server capability is weakened, educational resource speed of download is improved, teaching courseware is made to realize online play.
Description
Technical field
The invention belongs to instructional technology fields, are related to a kind of new decentralization educational resource storage system and method.
Background technology
For traditional data storage method mainly based on central server, user calls resource, is first sent to server
Request, the corresponding resource in server is locally downloading.If multiple users access the same server and download simultaneously, can
Server stress can be caused excessive, lead to server delay machine, can not work normally, seriously affect working efficiency, this is resulted in
The bottleneck problem of one central server.With being on the increase for resource, server needs to be continuously increased memory space, service
Device resource consumption is also continuously increased.User needs to be in preferable network rings to realize the resource in displaying live view server
The quality in border, network environment constrains the surfing of user, cannot achieve online broadcasting.
" decentralization " be gradually move away from server, client computer it is centrally stored-be directed toward access pattern, but replace
With dispersion storage, grid distributed memory module.On the internet, " decentralization " also known as " separates ".With more simple
The characteristics of appearance of easy-to-use decentralization network service, Web2.0, is more apparent, such as Twitter, Facebook etc. are more
It is suitble to the birth of the service of common netizen so that for internet production or contributing content is easier, more diversification, to carry
The threshold that netizen participates in the enthusiasm of contribution, reduces production content is risen.Finally so that each netizen becomes one
Small and independent Information Provider so that internet is more flat, contents production more diversification.
" decentralization " is applied to education sector, in terms of the distributed storage for being mainly reflected in educational resource.Based on wisdom
The extensive use of classroom product can realize that classroom real-time recording, recording attend class content preservation into instructional video.But it is each
Classroom can all attend class daily, and video file is also bigger, so central server is all uploaded to, both dangerous, server overhead
Also very big, serious waste fund and resource.Teacher is saved in classroom thin cloud server from record courseware, resource can be effectively reduced
Waste, student can also easily be looked back by classroom thin cloud server to be watched teacher and attends class the video of recording.
There is also following disadvantages for the prior art：
1, there are central server bottleneck problems；
2, information resources are more and more, and existing server cannot be satisfied memory requirement；
3, teaching courseware video can not play online.
Invention content
The purpose of the present invention is to provide a kind of new decentralization educational resource storage system and method, the present invention solves
It solves teacher and weakens server the beneficial effects of the invention are as follows central server pressure is alleviated from the storage problem for recording resource
Function improves educational resource speed of download, and teaching courseware is made to realize online play.
Technical solution used by a kind of new decentralization educational resource storage system of the present invention be include thin cloud service
Device, mobile terminal and cloud server, wherein
Cloud server corresponds to table for storing teaching resource address；
Thin cloud server stores teaching resource in this classroom, connects mobile terminal and upload download for establishing WLAN
Request, storage and parsing address correspond to table；
Mobile terminal uploads recorded file to thin cloud server for recording content of attending class.
Further, mobile terminal is tablet computer, including teacher side and student side.
Further, thin cloud server and mobile terminal offer, which attend class to record, services, and preserves recorded file.
Further, mobile terminal is connect with local microenvironment Cloud Server by WLAN, local microenvironment Cloud Server with it is different
Ground thin cloud server is connected by VPN.
A kind of new decentralization educational resource storage method of the present invention：WLAN is established including thin cloud server to deposit
Teaching resource in this classroom is stored up, mobile terminal is connect and uploads download request, storage and parsing educational resource address correspond to table；
Cloud server storage teaching resource address corresponds to table；
Mobile terminal by the WLAN and the thin cloud server link or mobile terminal passes through high in the clouds
Server obtains strange land thin cloud server address, passes through local microenvironment Cloud Server VPN connections strange land thin cloud server；
Mobile terminal receives user's download instruction, connects local microenvironment Cloud Server, and corresponding education is downloaded according to download instruction
Resource.If you need to connect strange land thin cloud server, local mobile terminal is by connecting local microenvironment Cloud Server, local thin cloud clothes first
The educational resource address that business device parsing local mobile terminal is sent, and by VPN connections strange land thin cloud server, it is local mobile whole
End sends instructions to strange land thin cloud server, and downloads corresponding educational resource, and strange land thin cloud server receives instruction.
Further, mobile terminal can be downloaded nearby, if same educational resource, local and remote side has storage, micro-
Cloud Server can select nearest thin cloud server to be downloaded by address similarity algorithm, improve speed of download.
Further, educational resource address storage rule is：Provincial region number+city-level regional number+County Level Regional number+school zone
Domain number+thin cloud server number+resource address.
Further, address similarity algorithm, if thin cloud server address be s1, need the resource address downloaded be s2 and
S3, address calculating formula of similarity are
Description of the drawings
Fig. 1 is decentralization educational resource memory system architecture figure；
Fig. 2 is address update flow diagram；
Fig. 3 is that teaching resource downloads flow when having cloud server；
Teaching resource downloads flow when Fig. 4 is no cloud server；
Fig. 5 is the real-time playing flow of local resource；
Fig. 6 is that resource address illustrates schematic diagram.
Specific implementation mode
The present invention is described in detail With reference to embodiment.
A kind of new decentralization educational resource storage system of the present invention, including thin cloud server, mobile terminal and high in the clouds
Server, wherein cloud server corresponds to table for storing teaching resource address；Thin cloud server, for establishing wireless local
Net stores teaching resource in this classroom, connects mobile terminal and uploads download request, storage and parsing address correspond to table；Mobile terminal,
For recording content of attending class, recorded file is uploaded to thin cloud server.Mobile terminal can be tablet computer, including teacher side and
It causes trouble.Thin cloud server and mobile terminal offer, which attend class to record, to be serviced, and recorded file is preserved.Mobile terminal and local microenvironment cloud service
Device is connected by WLAN, and local microenvironment Cloud Server is connect with strange land thin cloud server by VPN.Thin cloud server is established
WLAN stores teaching resource in this classroom, connects mobile terminal and uploads download request, storage and parsing educational resource address
Corresponding table；Cloud server storage teaching resource address corresponds to table；Mobile terminal passes through the WLAN and the thin cloud
The link of server or mobile terminal obtain strange land thin cloud server address by cloud server, are taken by local thin cloud
Business device VPN connections strange land thin cloud server.Fig. 1 is decentralization educational resource memory system architecture figure, and cloud server only carries
The function that table is corresponded to for resource address, does not provide store function.Thin cloud server storage local teaching resource and whole resources
Address corresponds to table, and mobile terminal device can only access and download resource.Cloud server, thin cloud server and mobile terminal
Interconnection, thin cloud server are connected with corresponding mobile terminal, and each thin cloud server is directly connected to or is indirectly connected with, mobile whole
End and strange land thin cloud server are connectionless.
Decentralization educational resource storage method：Mobile terminal receives user's download instruction, connects local microenvironment Cloud Server,
Corresponding educational resource is downloaded according to download instruction.If you need to connect strange land thin cloud server, local mobile terminal first passes through connection
Local microenvironment Cloud Server, local microenvironment Cloud Server parses the educational resource address that local mobile terminal is sent, and is connected by VPN
Strange land thin cloud server, local mobile terminal sends instructions to strange land thin cloud server, and downloads corresponding educational resource, and strange land is micro-
Cloud Server receives instruction.Mobile terminal can be downloaded nearby, if same educational resource, local and remote side have storage,
Thin cloud server can select nearest thin cloud server to be downloaded by address similarity algorithm, improve speed of download.Religion
Educating resource address storage rule is：Provincial region number+city-level regional number+County Level Regional number+school zone number+thin cloud server number
+ resource address, such as some teaching courseware (01254) are stored in the experiment of Shandong Province (03) Qingdao City (02) Huangdao District (06)
On No. 005 server for learning (02), bracket inner digital represents the number in the region, then the address number of the resource is
0302060200501254, it is the number that a string length is 16.Address similarity algorithm, if thin cloud server address is s1,
It is s2 to need the resource address downloaded：0302060100201254 and s3：0302011102501254, address similarity calculation is public
Formula isSo this time resource downloading should select address to be attached down for the server of s2
It carries.
Fig. 2 is that address updates flow diagram, and all thin cloud servers are all connect with cloud server, whenever teacher records
It attends class file, when the file that will attend class storage is to local microenvironment Cloud Server, thin cloud server will compile this teaching resource
Number, form unique 16 resource address, once resource address is formed, it is local be Cloud Server will immediately by recorded file with
And corresponding resource address uploads to cloud server, ensures that cloud server is capable of all resource files in the real-time storage whole nation
Address table.For thin cloud server, using week as a cycle, the resource address table of cloud server is distributed to weekly each micro-
Cloud Server ensures that thin cloud server can store one week pervious all resource address table.
Fig. 3 is that teaching resource downloads flow when having cloud server.If resource is stored in local, mobile terminal directly connects
Local microenvironment Cloud Server is connect, resource is downloaded.If resource is stored in strange land, mobile terminal first passes through network connection cloud service
Device parses the educational resource address table that stores in cloud server, obtains the address of the educational resource to be downloaded, i.e., a string 11
Number.Then address is returned to mobile terminal by cloud server, and it is Cloud Server that mobile terminal, which submits address local, and local is cloud
Server parses address, connects corresponding strange land thin cloud server according to address, finds corresponding resource and pass back to mobile terminal.Figure
4 for no cloud server or when being disconnected with cloud server, teaching resource downloads flow.If resource is stored in local,
Then mobile terminal is directly connected to local microenvironment Cloud Server, downloads resource.If resource is stored in strange land, it is cloud service to connect local
Device, if the address of resource is downloaded required for obtaining can not download because update cycle problem is not got, if obtaining
It arrives, then the strange land thin cloud server for connecting corresponding address downloads resource.
Fig. 5 is the real-time playing flow of local resource, is attended class the case where not understanding, need to look back after class for student, we
Provide the function that local resource plays in real time.Teacher records file of attending class by thin cloud server and mobile terminal, will be per class
Content of attending class be saved as the form of file and be saved in classroom thin cloud server.It is indoor micro- that student can connect religion by mobile terminal
Cloud Server, the LAN that connection thin cloud server is established, so that it may to watch the file of class-teaching of teacher recording online, realize after class
It looks back and reviews.
Resource address is divided into five parts in Fig. 6, by provincial region number, city-level regional number, County Level Regional number, school zone
Number and thin cloud server number composition, provincial, city-level, at county level and school zone number be made of double figures, and thin cloud server number is by three
Bit digital forms, and numbers and adds 0 completion before insufficient bit requirements, according to provincial region number+city-level regional number+County Level Regional number
+ school zone number+thin cloud server number sequence.Resource address is made of 11 bit digitals altogether, and the whole nation uniquely determines, each section area
Domain number corresponds to table by regional number and determines, each region unique number does not repeat.
It is also an advantage of the present invention that：
1, distributed storage educational resource removes central store server；
2, central server function, reserved address store function are weakened；
3, most there is download path using the inquiry of address similarity algorithm, improve download efficiency；
4, realize that local teaching resource plays online.
The above is only the better embodiment to the present invention, not makees limit in any form to the present invention
System, every any simple modification that embodiment of above is made according to the technical essence of the invention, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (8)
1. a kind of new decentralization educational resource storage system, it is characterised in that：Including thin cloud server, mobile terminal and cloud
Hold server, wherein
Cloud server corresponds to table for storing teaching resource address；
Thin cloud server stores teaching resource in this classroom, connects mobile terminal upload download and ask for establishing WLAN
It asks, stores and parse address and correspond to table；
Mobile terminal uploads recorded file to thin cloud server for recording content of attending class.
2. according to a kind of new decentralization educational resource storage system described in claim 1, it is characterised in that：It is described mobile whole
End is tablet computer, including teacher side and student side.
3. according to a kind of new decentralization educational resource storage system described in claim 1, it is characterised in that：The thin cloud clothes
Business device and mobile terminal offer, which attend class to record, to be serviced, and recorded file is preserved.
4. according to a kind of new decentralization educational resource storage system described in claim 1, it is characterised in that：It is described mobile whole
End is connect with local microenvironment Cloud Server by WLAN, and local microenvironment Cloud Server is connected with strange land thin cloud server by VPN
It connects.
5. a kind of new decentralization educational resource storage method, it is characterised in that：Wireless local is established including thin cloud server
Net stores teaching resource in this classroom, connects mobile terminal and uploads download request, storage and parsing educational resource address correspond to table；
Cloud server storage teaching resource address corresponds to table；
Mobile terminal by the WLAN and the thin cloud server link or mobile terminal passes through cloud service
Device obtains strange land thin cloud server address, passes through local microenvironment Cloud Server VPN connections strange land thin cloud server；
Mobile terminal receives user's download instruction, connects local microenvironment Cloud Server, and corresponding educational resource is downloaded according to download instruction.
If you need to connect strange land thin cloud server, local mobile terminal is by connecting local microenvironment Cloud Server, local microenvironment Cloud Server first
The educational resource address that local mobile terminal is sent is parsed, and passes through VPN connections strange land thin cloud server, local mobile terminal hair
It send instruction to strange land thin cloud server, and downloads corresponding educational resource, strange land thin cloud server receives instruction.
6. according to a kind of new decentralization educational resource storage method described in claim 5, it is characterised in that：It is described mobile whole
End can download nearby, if same educational resource, local and remote side has storage, thin cloud server that can pass through address phase
It is downloaded like the nearest thin cloud server of degree algorithms selection, improves speed of download.
7. according to a kind of new decentralization educational resource storage method described in claim 5, it is characterised in that：The education money
Source address storage rule is：Provincial region number+city-level regional number+County Level Regional number+school zone number+thin cloud server number+money
Source address.
8. according to a kind of new decentralization educational resource storage method described in claim 7, it is characterised in that：Described address phase
Like degree algorithm, if thin cloud server address is s1, it is s2 and s3 to need the resource address downloaded, and address calculating formula of similarity is
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| CN110531675A (en) * | 2019-09-11 | 2019-12-03 | 上海纯米电子科技有限公司 | Reduce the control method and control device of internet of things equipment server stress |
| CN112529548A (en) * | 2021-02-09 | 2021-03-19 | 深圳市华师兄弟教育科技有限公司 | Online education platform cloud resource management system |
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Application publication date: 20180928 |