CN102769642A - Mobile cloud memory system and implementation method of mobile cloud memory - Google Patents
Mobile cloud memory system and implementation method of mobile cloud memory Download PDFInfo
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Abstract
The invention discloses a mobile cloud memory system and an implementation method of the mobile cloud memory, wherein the system comprises a cloud computing terminal having an internal memory medium, the system further comprises an external memory in plug-in relation with the cloud computing terminal; a multi-stage isomerous memory medium is formed from the external memory and the internal memory medium of the cloud computing terminal; a distributed document is memorized in the internal memory medium of the cloud computing terminal; rapid indexing is established on the data memorized in the multi-stage isomerous memory medium by the cloud computing terminal on the basis of the distributed document, and the multi-stage isomerous memory medium is controlled to memorize the data hierarchically on the basis of the distributed document. According to the invention, hardware and software resources of mobile equipment is effectively organized and managed, so that original limited memory resource of the mobile equipment is expanded and the memorizing performance of the entire system is optimized.
Description
Technical field
The present invention relates to the cloud computing technical field, relate in particular to a kind of mobile cloud storage system and move cloud storage implementation method.
Background technology
The core concept of cloud computing is that computational resource unified management and scheduling with connecting with network in a large number constitute a computational resource pond to user's on-demand service; Provide the network of resource to be called as in " cloud "; Resource in " cloud " can infinite expanding In the view of the user, and can obtain at any time, uses as required; At any time expansion is paid by using.The principle of cloud computing is be distributed on a large amount of distributed computers through making to calculate, but not in local computer or the remote server, the operation of enterprise data center will be more similar with the Internet.This makes that enterprise can be with resource switch to the application of needs, according to demand access computer and storage system.
But; The Research of structure of cloud computing own still faces many technological challenges; Exist numerous technical barriers that need to be resolved hurrily: 1) traditional cloud computing need be set up data center in large scale; Need too much the dependence place and the energy, this makes that the cost of building data center is generally all very expensive; 2) cloud computing need provide access service easily for the user, but because the covering and the bandwidth problem of existing wireless technology, these all become the key factor that hinders the cloud computing service.Under many circumstances, such as underground mine, open-air no mobile network covers and waits under the sight, do not have the network connection still this patent still need store or exchange mass data.For example, this patent is found to collect in practical application and is arranged in open-air a large amount of wireless sensing data, perhaps when using a large amount of medical perception datas.
Summary of the invention
The technical problem that the present invention will solve is: a kind of mobile cloud storage system is provided and moves cloud storage implementation method, coming with a kind of novel " moving the cloud storage " technology is that the user provides cloud service quickly and easily.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of mobile cloud storage system comprises the cloud computing terminal with internal storage medium, and this system also comprises the outer external memorizer that is hung on said cloud computing terminal, and the internal storage medium at this external memorizer and cloud computing terminal constitutes multistage isomery storage medium; Store distributed document in the internal storage medium at said cloud computing terminal; Said cloud computing terminal is set up quick indexing according to this distributed document to the data of storing in the multistage isomery storage medium, and controls multistage isomery storage medium based on this distributed document data are carried out the classification storage.
Said cloud computing terminal based on said distributed document, adopts the computation model of Mapreduce that the read-write of external memorizer is managed.
Said external memorizer is meant the storage medium based on flash memory, comprises SSD or SATA.
The internal storage medium at said cloud computing terminal comprises ROM or SD.
Said external memorizer is through usb protocol and said cloud computing terminal communication.
A kind of mobile cloud storage implementation method, may further comprise the steps: connect external memorizer at the cloud computing exterior of terminal with internal storage medium, the internal storage medium at this external memorizer and cloud computing terminal constitutes multistage isomery storage medium; Internal storage media stores distributed document at said cloud computing terminal; Said cloud computing terminal is set up quick indexing according to this distributed document to the data of storing in the multistage isomery storage medium, and controls multistage isomery storage medium based on this distributed document data are carried out the classification storage.
Also comprise: said cloud computing terminal adopts the computation model of Mapreduce that the read-write of external memorizer is managed based on said distributed document.
Said external memorizer is meant the storage medium based on flash memory, comprises SSD or SATA.
The internal storage medium at said cloud computing terminal comprises ROM or SD.
Said external memorizer is through usb protocol and said cloud computing terminal communication.
The invention has the beneficial effects as follows: visible; Technical scheme provided by the invention realizes the cloud storage through cloud computing terminal and external memorizer, and it is convenient to realize, and low price; And because the small and exquisite portability of cloud computing terminal and external memorizer is fit to different occasions such as field.In addition, the present invention program at least also has following technical advantage:
(1) through the cloud computing terminal storage medium of inside and external memorizer are unified control and management, the hardware and software resource of organization and administration mobile device effectively, and virtual environment for use is provided to the user of " moving the cloud storage ";
(2) external memorizer and self the inner storage medium through the cloud computing terminal constitutes multistage isomery storage medium, and the original limited storage resources of mobile device is expanded;
(3) consider asymmetric read write attribute based on the FLASH storage medium; Read fast, write slow, wipe slower characteristics; In order to improve the performance that is based upon the data computing model on the multistage isomery storage medium; The cloud computing terminal adopts the computation model of Mapreduce that the read-write of external memorizer is managed based on said distributed document, has optimized the memory property of whole system.
Description of drawings
Fig. 1 is the cloud computing system functional block diagram;
Fig. 2 is data-optimized sketch map in the cloud computing system of the present invention;
Fig. 3 moves the theoretical sketch map of cloud storage system for the present invention;
Fig. 4 moves the structural representation of cloud storage system for the present invention;
Fig. 5 moves the flow chart of cloud storage implementation method for the present invention.
Embodiment
Combine accompanying drawing that the present invention is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Referring to Fig. 1, be the cloud computing system functional block diagram.Cloud computing system is divided into four levels, is respectively: front end Access Layer 101, wireless communication layer 102, application service layer 103, backstage computational resource allocation layer 104.The front end Access Layer has multiple way of realization, needs to satisfy the WiMAX application terminal of using towards office automation, also wants compatible other mobile office equipments simultaneously, like mobile phone, palmtop PC, notebook computer, vehicle-mounted computer etc.The present invention introduces cloud computing terminal in the front end Access Layer 101 (terminal with cloud computing function, or be called for short cloud terminal, cloud equipment).
The target that moves cloud computing (Mobile Cloud Computing) is just in order to provide a kind of novel cloud computing platform.But, still have difference for the understanding of moving cloud computing in the world at present.Have a kind of viewpoint to think and directly to utilize mobile device, such as smart mobile phone or notebook computer make up the cloud platform quickly and easily, for the user provides corresponding cloud service; A kind of in addition viewpoint is thought; Only use mobile device to help the user and insert traditional cloud computing platform; Such as Amazon Elastic Compute Cloud (EC2) perhaps will move needed processing of application and storage capacity and be placed on traditional cloud computing platform.This patent is considered under many circumstances; The user can't be linked on the internet and also can't directly use wired connection to come to intercom mutually between the user; But but being badly in need of using the calculating storage resources to accomplish calculating, is a problem that presses for solution so make up mobile cloud storage platform.
Based on above-mentioned observation; Move first kind of viewpoint in the cloud computing and be the thinking of the practical novel cloud computing platform of structure; The utilization mobile device with wireless telecommunications that is easy to carry, such as smart mobile phone, making up " moving the cloud storage " fast becomes a research direction that has very much prospect.Present smart mobile phone generally all can be equipped with multiple sensors, has the Wireless Telecom Equipment of other CPU of G hertz level and high bandwidth, has possessed the physical condition that realization " is moved the cloud storage "." move cloud storage " equipment can serve as the role of base station among the mobile network, and the user can be through " moving the cloud storage " thereby is linked into the function of Internet realization mobile Internet.
Under mobile this research direction of cloud computing, subject matter of the present invention is how to design the basic structure of " move cloud storage ", and the storage that provides for cloud service and the computation model of visit.
The storage capacity of mobile device is in rapid improve; Along with popularizing of SD card (Secure Digital Card); And following possibly adopt solid state hard disc (memory space possibly brought up to the TB level on the mobile device for Solid State Disk, SSD) storage medium based on FLASH.But this magnitude and traditional comparing such as cloud platforms such as EC2 still are less relatively.Therefore, how effectively this patent is mainly paid close attention to is utilized the limited storage of moving on the cloud computing platform to store data as much as possible, also will support based on the calculating on the data model simultaneously.The storage optimization of this patent carries out from two aspects, and multistage isomery storage medium is optimized and asymmetric read write attribute storage optimization, and is as shown in Figure 2.This patent considers to use multistage isomery storage medium, and this patent will and be classified to operable storage medium on the mobile device of investigation in early stage.The at present common medium that can be used for storing data has ROM (Read-Only Memory) and SD on the smart mobile phone; This patent is intended and is adopted SSD or SATA to link to each other with mobile device as external storage and use USB3.0, can the storage magnitude of " moving the cloud storage " be risen to the TB level like this.How with storage on multistage isomery storage medium, and be easy to visit, this is that this patent needs the problem considered under this optimal way; On the other hand; This patent considers that SSD has asymmetric read write attribute, promptly has reading speed (25ms/page) faster, but speed of writing (200ms/page) and conventional hard medium are at a distance of little; The speed of wiping (1500ms/block) again than the speed of writing slow a magnitude; The SSD medium does not allow to cover (overwrite), and this patent need consider to combine these characteristics, improves the performance that is based upon the data computing model on the multistage isomery storage medium.This patent adopts this computation model that is based upon distributed file system of MapReduce, utilizes Map (mapping) and two kinds of operations of Reduce (abbreviation) that read-write is required the different stores service of optimizing data.
(1) base frame that " moves the cloud storage "
As a kind of novel cloud computing platform, " moving the cloud storage " represented the future thrust of mobile cloud computing.The core concept of " move cloud storage " is, mobile device is the just extension of cloud computing not, the more important thing is a kind of small-sized data center that is structured on the mobile device, and it is high to have remedied existing data center lower deployment cost, covers limited problem.All member of formation all are the objects of research in " moving the cloud storage ", and these members comprise mobile device itself and the mutual contact mode between them.In mutual contact mode, frequency range in the radio communication and channel can be as parts that constitutes " moving the cloud storage ".The base frame of this patent research should possess robustness and extensibility.It is to be based upon on the smart mobile phone to link to each other with the AP mixed mode with P2P that this patent is intended " moving the cloud storage " base frame that proposes, and this structure possesses good extensibility; The while what is more important; This patent is intended and is proposed a kind of " moving the cloud storage " management platform; On this management platform, all computational resources and storage resources all become management object, and this patent provides corresponding Intel Virtualization Technology for the user; Support existing operation system of smart phone, support existing P C machine operation system simultaneously as much as possible.
The data staging memory model and the optimization of (2) " moving the cloud storage "
This patent is at first studied the structure of data staging storage in " moving the cloud storage "; How research effectively utilizes the space to organize data on multistage isomery storage medium; This patent can be analyzed the characteristics of existing distributed file system simultaneously, is optimized to this structure of ROM-＞SD-＞SSD.This patent is intended the distributed file system that adopts Hadoop to provide, and file or data are set up quick indexing, and these index leave in ROM or the SD card, to improve the speed of data access, effectively utilizes memory hierarchy.Different node is shared these index datas, improves the service efficiency of data.Secondly, consider asymmetric read write attribute based on the FLASH storage medium, read fast, write slow, wipe slower characteristics and improve the performance that is based upon the data computing model on the multistage isomery storage medium.This problem is intended and is adopted this computation model that is based upon distributed file system of MapReduce, utilizes two kinds of operations of Map and Reduce that read-write is required the different stores service of optimizing data.
Referring to Fig. 3, move the theoretical sketch map of cloud storage system for the present invention.The whole technology path of this patent mainly is divided into three levels, and respectively from base frame, carry out three aspects of Theoretical Framework and assessment checking framework.Wherein, architecture mainly comprises miniature cloud module and calculates the SRM module; Theoretical Framework mainly comprises storage optimal module and data access optimal module, pays close attention to multistage isomery and the asymmetrical problem of read-write respectively, and the problem of radio broadcasting and cooperation buffer memory; Assessment checking framework mainly comprises the mathematical analysis module, pays close attention to the problem of network simulation and platform validation.
Referring to Fig. 4, move the structural representation of cloud storage system for the present invention;
This system comprises cloud computing terminal 401; This cloud computing terminal 401 comprises at least one internal storage medium 4011 again; Especially: this system also comprises the outer external memorizer 402 that is hung on said cloud computing terminal 401, and this external memorizer 402 constitutes multistage isomery storage medium with internal storage medium 4011; Store distributed document in the internal storage medium 4011; Cloud computing terminal 401 is set up quick indexing according to this distributed document to the data of storing in the multistage isomery storage medium, and controls multistage isomery storage medium based on this distributed document data are carried out the classification storage.
Wherein, external memorizer 402 is meant the storage medium based on flash memory, and preferably, external memorizer is meant SSD or SATA.External memorizer 402 is communicated by letter with cloud computing terminal 401 through usb protocol, for example USB3.0.In addition, internal storage medium 4011 comprises ROM and SD etc.
Consider asymmetric read write attribute based on the FLASH storage medium; Read fast, write slow, wipe slower characteristics; In order to improve the performance that is based upon the data computing model on the multistage isomery storage medium; Cloud computing terminal 301 can adopt the computation model of Mapreduce that the read-write of external memorizer is managed further based on said distributed document.
Referring to Fig. 5, for the present invention moves the flow chart that cloud is stored implementation method, this method may further comprise the steps:
S501: connect external memorizer at the cloud computing exterior of terminal with internal storage medium, this external memorizer and internal storage medium constitute multistage isomery storage medium;
S502: distributed storage file in internal storage medium;
S503: the cloud computing terminal is set up quick indexing according to this distributed document to the data of storing in the multistage isomery storage medium, and controls multistage isomery storage medium based on this distributed document data are carried out the classification storage.
Preferably, this method also comprises step: the cloud computing terminal adopts the computation model of Mapreduce that the read-write of external memorizer is managed based on said distributed document.
Wherein, external memorizer is meant the storage medium based on flash memory, and for example: SSD or SATA, this external memorizer can pass through usb protocol and cloud computing terminal communication.The internal storage medium at cloud computing terminal comprises ROM and SD etc.
It is thus clear that technical scheme provided by the invention realizes the cloud storage through cloud computing terminal and external memorizer, it is convenient to realize, and low price, and because the small and exquisite portability of cloud computing terminal and external memorizer is fit to different occasions such as field.
In addition, the present invention program at least also has following technical advantage:
(1) mobile cloud storage system provided by the invention; Through the cloud computing terminal storage medium and the external memorizer of inside are unified control and management; The hardware and software resource of organization and administration mobile device effectively, and virtual environment for use is provided to the user of " moving the cloud storage ";
(2) external memorizer and self the inner storage medium through the cloud computing terminal constitutes multistage isomery storage medium, and the original limited storage resources of mobile device is expanded;
(3) consider asymmetric read write attribute based on the FLASH storage medium; Read fast, write slow, wipe slower characteristics; In order to improve the performance that is based upon the data computing model on the multistage isomery storage medium; The cloud computing terminal adopts the computation model of Mapreduce that the read-write of external memorizer is managed based on said distributed document, has optimized the memory property of whole system.
The above only is this preferred implementation, should be pointed out that for those skilled in the art, under the prerequisite that does not break away from present principles, can also make some improvement and retouching, and these improvement and retouching also should be regarded as this protection range.
Claims (10)
1. a mobile cloud storage system comprises the cloud computing terminal with internal storage medium, it is characterized in that,
This system also comprises the outer external memorizer that is hung on said cloud computing terminal, and the internal storage medium at this external memorizer and cloud computing terminal constitutes multistage isomery storage medium;
Store distributed document in the internal storage medium at said cloud computing terminal;
Said cloud computing terminal is set up quick indexing according to this distributed document to the data of storing in the multistage isomery storage medium, and controls multistage isomery storage medium based on this distributed document data are carried out the classification storage.
2. according to the said mobile cloud storage system of claim 1, it is characterized in that said cloud computing terminal based on said distributed document, adopts the computation model of Mapreduce that the read-write of external memorizer is managed.
3. according to claim 1 or 2 said mobile cloud storage systems, it is characterized in that said external memorizer is meant the storage medium based on flash memory, comprise SSD or SATA.
4. according to claim 1 or 2 said mobile cloud storage systems, it is characterized in that the internal storage medium at said cloud computing terminal comprises ROM or SD.
5. according to the said mobile cloud storage system of claim 3, it is characterized in that said external memorizer is through usb protocol and said cloud computing terminal communication.
6. a mobile cloud storage implementation method is characterized in that, may further comprise the steps:
Connect external memorizer at the cloud computing exterior of terminal with internal storage medium, the internal storage medium at this external memorizer and cloud computing terminal constitutes multistage isomery storage medium;
Internal storage media stores distributed document at said cloud computing terminal;
Said cloud computing terminal is set up quick indexing according to this distributed document to the data of storing in the multistage isomery storage medium, and controls multistage isomery storage medium based on this distributed document data are carried out the classification storage.
7. according to the said method of claim 6, it is characterized in that, also comprise:
Said cloud computing terminal adopts the computation model of MapReduce that the read-write of external memorizer is managed based on said distributed document.
8. according to claim 6 or 7 said methods, it is characterized in that said external memorizer is meant the storage medium based on flash memory, comprise SSD or SATA.
9. according to claim 6 or 7 said methods, it is characterized in that the internal storage medium at said cloud computing terminal comprises ROM or SD.
10. said according to Claim 8 method is characterized in that, said external memorizer is through usb protocol and said cloud computing terminal communication.
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| CN109669941A (en) * | 2018-11-16 | 2019-04-23 | 深圳证券交易所 | The asynchronous persistence method of data, device and computer readable storage medium |
| WO2021024064A1 (en) * | 2019-08-07 | 2021-02-11 | International Business Machines Corporation | Techniques to identify segments of information space through active adaption to environment context |
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Application publication date: 20121107 |