CN102281314B - Data cloud storage system - Google Patents

Data cloud storage system Download PDF

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CN102281314B
CN102281314B CN 201110032369 CN201110032369A CN102281314B CN 102281314 B CN102281314 B CN 102281314B CN 201110032369 CN201110032369 CN 201110032369 CN 201110032369 A CN201110032369 A CN 201110032369A CN 102281314 B CN102281314 B CN 102281314B
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CN102281314A (en
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程旭
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程旭
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Abstract

本发明是提供一种由若干服务器和若干的数据存储设备组成的一种数据云存储系统,涉及云存储领域。 The present invention is a data storage system to provide a cloud by a number of servers and a plurality of data storage devices, and relates to the field of cloud storage. 主要的特点如下:在云存储中采用身份认证机制与灵活的操作权限设定;数据每经过一次网络传输即进行一次校验;先压缩数据再通过网络传输;对云中数据进行加密后存储;对云存储中的数据进行备份;对于已上传到云存储的数据,可以仅上传差量信息即可对其进行更新;自动负载均衡更好的利用云中空闲处理器和网络存储器;用户、管理员都可以方便定制策略;管理员可以监控云存储的服务状态。 The main features are as follows: use in cloud storage and authentication mechanism flexible operation authority setting; Each time through the data transmission network that is a check; the first compressed data and then transmitted over the network; in the cloud storage data is encrypted; cloud data backup store; the data has been uploaded to the cloud storage, can upload only difference information can be updated; automatic load balancing better use of network cloud idle processor and a memory; user management members can easily customize policies; administrators can monitor the status of cloud storage service. 使用本方法构架的云存储系统将在提高存储数据的保密性、完整性、可用性以及系统的自适应能力,同时提升该系统的运行效率与可控性。 The method of using the storage system architecture in a cloud improving adaptability storing data confidentiality, integrity, and availability of the system, while improving the efficiency and controllability of the system.

Description

—种数据云存储系统 - kind of cloud data storage system

技术领域 FIELD

[0001] 本发明涉及云存储领域,即基于网络的由若干服务器和若干网络存储设备组成的保障数据安全与高效读取的一种数据云存储系统。 [0001] The present invention relates to the field of cloud storage, i.e., based on the secure data to a data storage system cloud efficient reading by several network servers and a plurality of network storage devices.

背景技术 Background technique

[0002] 云存储是在云计算(cloud computing)概念上延伸和发展出来的一个新的概念,是指通过集群应用、网格技术或分布式文件系统等功能,将网络中大量各种不同类型的存储设备通过应用软件集合起来协同工作,共同对外提供数据存储和业务访问功能的一个系统。 [0002] Cloud storage is extended and a new concept developed in the cloud (cloud computing) concept, refers to cluster applications, grid or distributed file system and other functions, the large number of different types of networks the set of storage devices to work together and work through the application software, providing a common external data storage and business access system functions. 当云计算系统运算和处理的核心是大量数据的存储和管理时,云计算系统中就需要配置大量的存储设备,那么云计算系统就转变成为一个云存储系统,所以云存储是一个以数据存储和管理为核心的云计算系统。 When the cloud core system operations and processes is a mass storage and management of data, the cloud computing system needs to configure a large number of storage devices, the cloud computing system is transformed into a cloud storage system, the cloud storage is a data storage cloud computing systems and management as the core.

[0003] 从云存储的概念及目前应用来看,其本质是向用户提供一种透明的网络存储服务。 [0003] from the current concept of cloud storage and application point of view, its essence is to provide a transparent network storage services to users. 用户只要连接进入互联网,即可享受网络存储服务——随时随地的管理其所存储的数据,就如果这些数据存储在本地一样;同时用户可以方便将存储在云存储的数据与其他用户共享。 Just connect the user access to the Internet, you can enjoy network storage services - its stored data management anytime, anywhere, on if the data is stored in the same local; at the same time the user can easily be shared with other user data stored in the cloud storage. 因此如何实现在任何网络接入点方便快捷的读取数据,同时保证数据的保密性、完整性、可用性成为云存储技术的关键。 So how to achieve quick and easy to read data at any network access point, while ensuring data confidentiality, integrity, availability has become the key to cloud storage technology.

[0004] 国内现有关于云存储专利技术(公布号为:CN101930499A、CN101873348A、CN101902498A、 CN101930473A、 CN101557551A、 CN101753617A、 CN101741866A、CN101605148A)的解决方法/系统主要存在如下问题: [0004] cloud storage on existing domestic patent (publication number: CN101930499A, CN101873348A, CN101902498A, CN101930473A, CN101557551A, CN101753617A, CN101741866A, CN101605148A) solution / system is mainly the following problems:

[0005] 1、缺乏身份认证体系。 [0005] 1, lack of identity authentication system. 这极大的降低了用户数据的保密性,且无法与其他用户共 This greatly reduces the confidentiality of user data, and not altogether with other users

享信息; Sharing information;

[0006] 2、提供服务的网络环境过于单一,有的方法/系统甚至指定唯一类型的存储服务器保存数据(公布号为CN101605148A); [0006] 2, to provide services over a single network environment, some method / system can even specify a unique type of storage server to save data (published as CN101605148A);

[0007] 3、已存储数据部分内容被编辑后,要重新上传全部数据,覆盖原存储的数据实现更新,数据未被编辑的内容也被上传,增大终端用户的网络开销; [0007] 3, part of the stored data is edited to re-upload all data, covering the previously stored data to achieve updating unedited contents data is also uploaded, increased end-user network overhead;

[0008] 4、没有对存储在云存储中的数据进行加密,用户数据没有保密性可言、且完整性和可用性降低; [0008] 4, no cloud storage data stored in the encrypted user data is not at all confidentiality, integrity and availability and reduced;

[0009] 5、没有合理的备份数据(仅简单分割文件后保存于对应服务器),用户数据的完整性和可用性降低; [0009] 5, there is no reasonable backup data (after simply stored in separate files corresponding to the server), integrity and availability of user data reduction;

[0010] 6、缺乏对与存储系统的监控; [0010] 6, the lack of monitoring and storage system;

[0011] 7、缺乏负载均衡机制。 [0011] 7, the lack of load balancing mechanism.

[0012] 一种数据云存储系统是为了综合解决以上问题而发明的系统架构和实现方法,它需要依赖以下技术: [0012] Cloud A data storage system is a system architecture and implementation methods for synthesis of the invention solve the above problems, it relies on the following technologies:

[0013] 1、宽带网络发展。 [0013] 1, broadband network development.

[0014] 2、WEB2.0 技术。 [0014] 2, WEB2.0 technology.

[0015] 3、应用存储发展。 [0015] 3, the application store development. [0016] 4、集群技术、网格技术和分布式文件系统。 [0016] 4, clustering technology, grid technology and distributed file systems.

[0017] 5、⑶N内容分发、P2P技术、数据压缩技术。 [0017] 5, ⑶N content distribution, P2P technology, data compression technology.

[0018] 6、存储虚拟化技术、存储网络化管理技术。 [0018] 6, storage virtualization, storage network management technology.

发明内容 SUMMARY

[0019] 本发明是一种一种数据云存储系统。 [0019] The present invention is a cloud to a data storage system. 使用所述方法及装置构建的系统将增强存储数据的保密性、完整性、可用性以及系统的稳定能力。 The system constructed using the method and apparatus will enhance the ability to stabilize the stored data confidentiality, integrity, and availability of the system.

[0020] 一种数据云存储系统是为了实现上述目的而发明,本发明采用层次式结构,每层都聚合了若干功能器件,组合或单独实现某些功能,第一层是终端用户层(也称云外层),本层主要实现终端用户权限分享,数据上传前的压缩、加密和下载后解密、解压缩、数据差量比较等功能(本层包含所有使用云存储服务的终端用户,这些终端用户通过互联网与第二层相连);第二层是云端处理层(也称核心层),本层主要实现身份认证、数据二次加密、备份、差量更新、负载均衡等功能(本层由多台服务器相连的分布式网络组成,这个分布式服务器网络与第三层相连);第三层是云端存储层(也称存储层),本层主要实现数据存储的功能(本层由若干存储节点组成,每个存储节点包含若干网络存储设备);各层具体包含的功能器件及其功能是: [0020] Cloud A data storage system in order to achieve the above object the invention, the present invention employs a hierarchical structure, each have a plurality of functional devices polymerized, alone, or in combination perform certain functions, the first layer is a layer of the end user (also cloud said outer layer), the main achievement of the end-user permission to share layer, after the pre-compression data upload, download encryption and decryption, decompression, etc. Comparative difference data (this layer includes all end users cloud storage service, these the second layer is connected to the end user via the Internet); the second layer is a cloud-treated layer (also called a core layer), the main achievement of this layer authentication, data encryption secondary, backup, differential update, load balancing function (this layer by a plurality of servers connected to a network consisting of distributed, the distributed server network connected to the third layer); the third layer is a cloud storage layer (also referred to as memory layer), the main achievement of the present functional data storage layer (this layer consists of several a storage node, each storage node comprising a plurality of network storage devices); and functional element contains the specific functions of each layer:

[0021] 1)终端用户层(也称云外层),使用云存储服务的终端用户所在的层次,包括: [0021] 1) The end layer (also called cloud layer), cloud storage service hierarchy where the end-user, comprising:

[0022] (1)分享器,与其他终端用户分享自己所拥有的数据操作权限; [0022] (1) sharing device, a data sharing rights they own operation with other end users;

[0023] (2)终端策略器,允许终端用户层用户定制策略并执行(比如:选择网络空闲时上传数据的策略或系统空闲时对数据进行压缩、加密); [0023] (2) a terminal policy that allows end-users of the user to customize and execute the policy (for example: data upload system policy or idle data is compressed, encrypted network is idle is selected);

[0024] (3)压缩/解压缩器,压缩要上传至下述云端处理层的数据或解压缩从下述云端处理层下载的数据(这个功能可依据终端处理能力或由终端用户选择,是否启用); [0024] (3) compression / decompression, a compression process to be uploaded to the cloud following layer data or decompressed data downloaded from the cloud following treated layer (this function can be based on processing capability of the terminal or by the end user to select whether enable);

[0025] (4)加密/解密器,加密要上传至下述云端处理层的数据或解密从下述云端处理层下载的数据(这个功能可依据终端处理能力或由终端用户选择,是否启用); [0025] (4) the encryption / decryption device, the encrypted data following the cloud layer to be processed or decrypted data uploaded to the cloud from the layer of download processing described below (or this function, selection is enabled by the end user based on the terminal processing capability) ;

[0026] (5)差量比较器,比较编辑前后的数据差异变化量,作为更新云存储中数据副本的依据(节省终端用户端的网络开销,这个功能可依据终端处理能力或由终端用户选择,是否启用); [0026] (5) differential comparator, the change amount difference data before and after editing comparison as a basis for updating the data stored in the copy of the cloud (end-user terminal saves network overhead, this function can be based on processing capability of the terminal or by the end user selection, Whether to enable);

[0027] (6)校验器,校验传输器接收的数据是否完整; [0027] (6) check, a check data received transmission is complete;

[0028] (7)传输器,通过网络与下述云端处理层的传输器建立连接实现数据上传/下载,可采用现有网络传输协议(如:FTP、HTTP等)或使用开发新的传输协议; [0028] (7) the transmitter, to establish a connection for data upload / download, network transmission protocol employed by the existing transmission network and a cloud following treated layer (eg: FTP, HTTP, etc.) or the development of new transmission protocol ;

[0029] (8)日志记录器,记录终端用户的登录/登出的操作信息; [0029] (8) logger recording operation terminal user login / logout;

[0030] 2)云端处理层(核心层)对上述终端用户层的请求进行应答、提供云存储服务,有若干台服务器组成(这些服务器应分别使用不同的网络接入商提供的接入服务),包括: [0030] 2) Drive treatment layer (core layer) for requesting the end user to respond layer, cloud storage service, consisting of a number of servers (the server should use a different access service provided by network access, respectively) ,include:

[0031] (1)身份认证器,检验通过上述终端用户层登录或在本层登录的管理员的身份的有效,确认终端用户或管理员的操作权限; [0031] (1) authentication, a test log or via the end-users of the identity of the active layer of the present login administrator authority to confirm the operation of the end user or administrator;

[0032] (2)用户管理器,管理终端用户层的终端用户账号和云端处理层的管理员账号、密码以及其操作权限; [0032] (2) User manager administrator account end user account and the cloud treatment layer management for end-users, the password and the operation authority;

[0033] (3)云端策略器,云端处理层管理员定制并执行策略(比如:定期备份数据的策略);[0034] (4)监控器,监控本层各服务器剩余处理能力、服务器状态、下述云端存储层的各存储节点的中网络存储设备的剩余存储空间、网络存储设备状况、上述终端用户层的在线用户数目,并更改服务器服务状态(启动/终止服务)、终端用户在线用状态(强制终端用户下线、暂停数据处理请求等); [0033] (3) Drive policy, a cloud layer administrators to customize and execute the processing strategy (for example: regular backup policy data); [0034] (4) monitors, each monitor server of the present layer remaining processing capacity, the state of the server, online user number of remaining storage space in the network storage devices each storage node layer below cloud storage, network storage device condition, above the end-user layer, and change the status of the server service (start / termination services), the end-user with the online state (forced offline end user, the data processing request to suspend the like);

[0035] (5)均衡器,将终端用户层的数据服务请求分配给云端处理层中有足够处理能力(可对处理资源设定阀值,比如:CPU占用率高于85%被视为没有足够处理能力)且与发出数据服务请求的终端用户层的网络接入点间网络连接最优的服务器;或根据云端存储层各存储节点中网络存储设备的剩余存储空间,分配数据存储到各存储节点; [0035] (5) equalizer, the end user data services layer to request allocation Drive treatment layer has sufficient processing power (threshold value may be set for processing resources, such as: CPU occupancy rate of 85% is not considered sufficient processing power) and the connection between the server and the best data service request issued by a network access point for end-users of the network; or according to the remaining storage space of the storage node of each memory layer cloud network storage devices, each of the memory allocated to data storage node;

[0036] (6)传输器,通过网络与上述终端用户层建立连接实现数据接收/发送,支持现有网络传输协议(如:FTP、HTTP等)或使用开发新的传输协议; [0036] (6) transmitter, to establish a connection for data reception / transmission, the existing network transmission protocol supported by the network and the end user layer (eg: FTP, HTTP, etc.) or the development of new transmission protocol;

[0037] (7)压缩/解压缩器,压缩上述终端用户层没有进行压缩的数据或解压缩要下发到上述终端用户层的由本层压缩的数据; [0037] (7) compression / decompression unit, for compressing the end-users of the current layer is not compressed by the data compression or decompression of data sent to said end user to the next layer;

[0038] (8)加密/解密器,对要存储到下述云端存储层的数据进行加密封装或将从下述云端存储层读取的数据进行解密; [0038] (8) the encryption / decryption, data on the data storage layer below the cloud to be stored to encrypt the package or read from the storage layer below the cloud decrypting;

[0039] (9)校验器,校验传输器接收或存储器读取的数据是否完整; [0039] (9) check, a check or the transmitter receives a memory read data is complete;

[0040] (10)更新器,依据上述终端用户层上传的数据差量信息,对存储在下述云端存储层的数据和备份进行更新; [0040] (10) an updater, stored and updated in the backup data storage layer below the cloud according to the data difference information of the end user to upload layer;

[0041] (11)备份器,对所有保存到下述云端存储层的数据,创建副本,副本与原数据一同存储在下述z?端存储层中; [0041] (11) backup, all the data saved to the storage layer below the cloud to create a copy of a copy of the original data is stored together with the end of the storage layer below z?;

[0042] (12)存储器,可以连接下述云端存储层任何存储节点中的任何网络存储设备,将数据保存到均衡器指定的网络存储设备中,读取存储在下述云端存储层的数据; [0042] (12) memory, any of the following may be connected to any network storage device storing the cloud storage node layers, save the data to the equalizer specified network storage device, reading data stored in the storage layer below the cloud;

[0043] (14)日志记录器,记录本层及下述云端存储层的网络流量信息、服务状态的日志信息; [0043] (14) logger logs network traffic information layer, and this layer is below cloud storage information, the service state;

[0044] 3)云端存储层(存储层)包含若干网络存储节点,每个网络存储节点包含若干网络存储设备,包括: [0044] 3) Drive memory layer (storage layer) network comprising a plurality of storage nodes, each node comprising a plurality of network storage network storage devices, comprising:

[0045] (1)网络存储设备,保存上述云端处理层提交的数据; [0045] (1) a network storage device, storing the data processing layer cloud submitted;

[0046] 其实现步骤主要特征在于: [0046] The main steps which implement comprising:

[0047] ①终端用户在使用云存储服务前必须先登录,通过身份有效性认证才能使用云存储服务; [0047] ① end-user must sign in before using the cloud storage service, you can use cloud storage through identity validity of the authentication service;

[0048] ②管理员在管理云存储服务前必须先登录,通过身份有效性认证才能进行管理; [0048] ② administrator must log on before managing cloud storage service, managed by the validity of identity authentication to;

[0049] ③终端用户可以将自己对数据的操作权限与其他终端用户分享(终端用户及其初始操作权限由管理员创建); [0049] ③ end user may operate his permission to share data with other end user (end user and its initial operation authority created by an administrator);

[0050] ④终端用户选择是否在上传数据前对其进行加密、压缩(如果选择开启上传数据前加密、压缩功能则下载该数据后自动对其进行解密、解压缩),可以比较数据在本地编辑后的数据差异变化量,使用这个差量信息更新存储在云存储而不必上传经过编辑的全部数据,可以查询云服务中保存的数据; [0050] ④ end user to select whether to be encrypted before uploading data compression (if you choose the Open upload data encryption, compression is automatically download the data be decrypted, decompressed), the data can be edited locally compare differences in the amount of data after the change, using the difference update information stored in the cloud storage without having to go through all uploaded data editing, you can query data stored in the cloud service;

[0051] ⑤云端处理层在数据存储前都进行二次加密封装; [0051] ⑤ Drive treatment layer before storing the data for secondary encryption are encapsulated;

[0052] ⑥云端处理层对所有存储的数据都进行备份存储; [0052] ⑥ Cloud data processing layer are all stored for backup storage;

[0053] ⑦终端用户和管理员都可以制定执行自定义的策略(终端用户制定的策略在终端用户层保存执行,管理员制定的策略在云端管理层保存执行); [0053] ⑦ end users and administrators can develop (strategy developed by end users execute stored in the end user layer, administrator-defined policies stored in the cloud management execution) execute custom strategies;

[0054] ⑧终端用户在编辑本地数据后仅上传经过比较数据编辑前后变化的差量信息,终端处理层使用这个差量信息更新存储在云存储层中的数据,而不必上传数据的全部内容; [0054] ⑧ After editing the end user to upload only through the local data change difference information before and after editing data, the terminal-treated layer using the difference update data stored in the amount information storage layer of the cloud, the entire content without uploading data;

[0055] ⑨终端用户或管理员每次进行操作前都需要确权(确认其拥有执行请求操作的权限); [0055] ⑨ an end user or administrator needs to ensure the right (of which have privileges to perform the requested operation) every time before the operation;

[0056] ⑩管理管理员可以监控云中任何服务器、网络、任何网络存储设备等设备的状态。 [0056] ⑩ management administrator can monitor the status of any server in the cloud, the network, any network storage devices and other equipment.

[0057] 下面结合附图和具体实施方式对本发明作进一步说明。 [0057] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

附图说明 BRIEF DESCRIPTION

[0058] 下述附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。 [0058] The following drawings provide a further understanding of the invention and constitute a part of this specification, the embodiments of the invention, serve to explain the invention, not to limit the present invention. 在附图中: In the drawings:

[0059] 图1为本发明系统的功能层次结构图; [0059] FIG 1 FIG functional hierarchy system of the invention;

[0060] 图2为本发明的网络结构示意图; [0060] The network architecture of Figure 2 is a schematic view of the present disclosure;

[0061] 图3为本发明方法的实施例中上传数据的基本流程图; The basic flowchart of uploading data in embodiment [0061] FIG. 3 shows the inventive method;

[0062] 图4为本发明方法的实施例中下载数据的基本流程图; [0062] FIG 4 is a basic flowchart of an embodiment of the invention a method of downloading data;

[0063] 图5为本发明方法的实施例中上传差量信息的基本流程图; Example [0063] FIG. 5 of the present invention is a method to upload a basic flowchart difference information;

[0064] 图6为本发明方法的实施例中服务器负载均衡的流程图。 [0064] Example 6 of the present embodiment of the invention, the server load balancing flowchart.

具体实施方式 Detailed ways

[0065] 下面结合附图对本发明做进一步的详细阐述。 [0065] Next, further detail of the present invention in conjunction with the accompanying drawings.

[0066] 参看图1,是本发明一种数据云存储系统的功能层次结构图。 [0066] Referring to Figure 1, the present invention is a functional diagram of a hierarchical data storage system of the cloud. 第一层101是终端用户层(也称云外层),本层主要实现权限分享,数据上传前的压缩、加密和下载后解密、解压缩、数据差量比较等功能;第二层102是云端处理层(也称核心层),本层主要实现身份认证、数据二次加密、备份、差量更新、负载均衡等功能;第三层103是云端存储层(也称存储层),本层主要实现数据存储的功能。 The first layer 101 is a layer of the end user (also called the cloud layer), this layer is mainly implemented sharing rights, before the compressed data upload, download encryption and decryption, decompression, difference data comparison functions; the second layer is 102 cloud treated layer (also referred to as core layer), this layer is mainly to achieve authentication, data encryption secondary, backup, differential update, load balancing and other features; cloud 103 is a third layer of the storage layer (also referred to as memory layer), the layer the main function for data storage.

[0067] 参看图2,是本发明一种数据云存储系统的网络结构示意图。 [0067] Referring to FIG. 2 is a schematic diagram of a network structure of a cloud data storage system of the present invention. 终端用户层201,包含所有使用云存储服务的终端用户,这些终端用户通过互联网与云端处理层202相连。 End user layer 201, contains all the end-user and services cloud storage, which is connected to the end user via the Internet cloud 202 treated layer. 云端处理层202,是由多台服务器相连的分布式网络组成,这个分布式服务器网络与云端存储层203相连。 Drive processing layer 202, connected to the network is distributed by multiple servers, a server connected to the distributed network storage layer 203 with the cloud. 云端存储层203,是由若干存储节点组成,每个存储节点包含若干存储设备。 Cloud storage layer 203, is composed of a plurality of storage nodes, each node comprising a plurality of memory storage devices.

[0068] 参看图3,是本发明一种数据云存储系统的实施例中上传数据的基本流程图。 [0068] Referring to Figure 3, a flowchart of the basic embodiment of uploading data to a data storage system of the present invention is a cloud. 一个拥有上传数据权限的云存储用户,上传数据的流程。 A cloud storage users have permission to upload data, processes the uploaded data.

[0069] 步骤301,终端用户层向云端处理层发出登录请求。 [0069] Step 301, the end-user issued a login request to the cloud layer processing layer.

[0070] 步骤302,云端处理层身份认证器检验登录用户身份有效,允许登录。 [0070] Step 302, the cloud layer authentication process is valid test logged in user, login is allowed.

[0071 ] 步骤303,终端用户层向云端处理层请求上传数据。 [0071] Step 303, an end user to upload data to the cloud layer requests treatment layer.

[0072] 步骤304,云端处理层身份认证器审核其拥有上传数据的操作权限后,允许终端用户层上传数据。 [0072] Step 304, after Drive treatment layer authentication Audit operation authority which has uploaded data, allow an end user to upload data layer.

[0073] 步骤305,终端用户层使用压缩/解压缩器和加密/解密器对要上传的原始数据进行压缩、加密,处理后的数据交给终端用户层传输器。 [0073] Step 305, the use of end-users of compression / decompression and encryption / decryption unit of the original data to be uploaded compressed, encrypted, data processed to end-users of the transmitter.

[0074] 步骤306,终端用户层传输器与云端处理层传输器建立连接上传数据。 [0074] Step 306, and the end-users of the transmitter transmitting the cloud layer processing to establish a connection to upload data. [0075] 步骤307,云端处理层接收完数据后,由校验器对数据进行校验,确认上传数据是完整的。 [0075] Step 307, after receiving the treatment layer cloud data, the data check by the check unit, confirms the upload data are complete.

[0076] 步骤308,云端处理层使用加密/解密器对数据进行加密(终端用户层已对数据进行压缩,本层将不再启动压缩/解压缩器对数据进行压缩),备份器制作数据备份。 [0076] Step 308, the cloud-treated layer using the encryption / decryption unit encrypts the data (for end-users to have data compression, this layer will start a compression / decompression unit to compress the data), the backup data backup MFG .

[0077] 步骤309,云端处理层将加密封装后的数据和备份由存储器写入云端存储层中。 [0077] Step 309, the cloud layer processing and backup encrypted data written by the memory package Cloud storage layer.

[0078] 参看图4,是本发明一种数据云存储系统的实施例中下载数据的基本流程图。 [0078] Referring to FIG. 4 is a flowchart of a basic embodiment of a data cloud data storage system of the present invention is downloaded. 一个用户对其拥有下载权限的数据进行下载的流程。 A user to download the data flow on its own download privileges.

[0079] 步骤401,终端用户层向云端处理层发出登录请求。 [0079] Step 401, to end-users of the cloud layer processing requests to sign.

[0080] 步骤402,云端处理层身份认证器检验登录用户身份有效,允许登录。 [0080] Step 402, the cloud layer authentication process is valid test logged in user, login is allowed.

[0081 ] 步骤403,终端用户层向云端处理层请求下载数据。 [0081] Step 403, the end-user request to download data to the cloud layer processing layer.

[0082] 步骤404,云端处理层身份认证器审核其拥有对申请数据的下载操作权限后,允许终端用户层下载数据。 [0082] Step 404, the cloud layer authentication processing after it has downloaded Audit operation right of the application data, allowing for end-users to download data.

[0083] 步骤405,云端处理层由存储器从云端存储层存储节点中网络存储设备读取的数据,在校验器校验数据完整后,压缩/解压缩器和加密/解密器进行解密、解压缩(如果之前在云端处理层进行了数据压缩)操作。 [0083] Step 405, the data read by the memory Drive treatment layer from the memory layer Cloud storage node network storage device, after checking data integrity checker, compression / decompression and encryption / decryption unit decrypts solution compression (if prior to data processing in the cloud layer compression) operations.

[0084] 步骤406,云端处理层传输器与终端用户层传输器建立连接,下发数据。 [0084] Step 406, the cloud layer transfer process to establish a connection to the end-users of the transmitter, the retransmission data.

[0085] 步骤407,终端用户层校验器校验数据完整后,由压缩/解压缩器和加密/解密器对数据(如果上传数据时进行了加密、压缩才需要)解压缩、解密的还原为原始数据。 [0085] Step 407, after the end-users of the check data integrity checker, the decompressor and encryption / decryption unit of data (for uploading data if the encryption, compression was required) by the compression / decompression, decryption reduction the original data.

[0086] 参看图5,是本发明一种数据云存储系统的实施例中上传差量信息的基本流程图。 [0086] Referring to FIG. 5, the offset information is a basic flowchart of an embodiment of a data storage system of the present invention, the cloud upload. 一个拥有更新指定数据权限的云存储用户,编辑本地的指定数据后更新云存储中数据副本的流程。 Update data has a specified user permission to cloud storage, cloud storage data update after editing a local copy of the specified data flow.

[0087] 步骤501,终端用户层向云端处理层发出登录请求。 [0087] Step 501, the end-user issued a login request to the cloud layer processing layer.

[0088] 步骤502,云端处理层身份认证器检验登录用户身份有效,允许登录。 [0088] Step 502, the cloud layer authentication process is valid test logged in user, login is allowed.

[0089] 步骤503,终端用户层向云端处理层请求更新数据。 [0089] Step 503, the update data request to the end-users of the cloud treatment layer.

[0090] 步骤504,云端处理层身份认证器审核其拥有对申请数据的更新操作权限,允许终端用户层更新数据内容。 [0090] Step 504, the cloud treatment layer which has the authentication Audit update operation rights of the application data, allowing end-users of the updated data content.

[0091] 步骤505,终端用户层差量比较器比较数据编辑前后的差异变化量(差量信息)。 [0091] Step 505, the amount of change (difference information) before and after the end-users of the difference comparator compares the difference data editing.

[0092] 步骤506,终端用户层压缩/解压缩器和加密/解密器对数据对差量信息进行压缩、加密等操作。 [0092] Step 506, end-users of compression / decompression and encryption / decryption unit for data compression, encryption operation on the difference information.

[0093] 步骤507,终端用户层传输器与云端处理层传输器建立连接,上传差量信息。 [0093] Step 507, the transport layer to establish a connection end-user to upload information from the cloud difference processing layer transmitter.

[0094] 步骤508,云端处理层校验器校验差量信息完整后,由更新器将分许需要更新的数据范围; [0094] Step 508, after Drive checksum of difference information layer processing complete, the update will be updated Xu data range;

[0095] 步骤509,从云端处理层存储器从云端存储层存储节点的网络存储设备中读取的需要更新的数据。 [0095] Step 509, the need to update the data read from the memory layer Cloud network storage device from the storage node layer memory Drive process.

[0096] 步骤510,云端处理层校验器校验数据完整,并由加密/解密器解密(终端用户层已对数据进行压缩,本层将不再启动压缩/解压缩器对数据进行压缩),利用差量信息对其进行更新后,重新由加密/解密器加密、备份器备份数据等操作。 [0096] Step 510, parity checker Drive treatment layer data integrity, by the encryption / decryption device decrypts (end-users of the data has been compressed, this layer will start a compression / decompression unit to compress the data) after using the difference information to update, re-encrypted by the encryption / decryption, backup data backup operation.

[0097] 步骤511,云端处理层存储器将更新后的数据和备份写回云端存储层存储节点中的网络存储设备,更新数据。 And backup data after [0097] Step 511, process the cloud layer memory write back the updated memory layer Cloud storage node network storage device, the update data. [0098] 参看图6,是本发明一种数据云存储系统的实施例中负载均衡的服务器负载均衡流程图。 [0098] Referring to FIG. 6, the server load balancing is a flowchart one embodiment of a cloud data storage system of the present invention is load balancing. 服务器A和服务器B是云端处理层中提供数据服务业务的服务器。 Server A and Server B to provide a data cloud services business process server layer. 终端用户层PC机U连接云端处理层的服务器A请求使用云存储服务;服务器A没有足够能力向PC机U提供云存储服务;遂将PC机U登录请求交给有足够处理能了且与PC机U有最优网络连接的服务器B。 End-users of the PC connected to the cloud U A server processing layer cloud storage service request; server A does not have sufficient capacity to provide the cloud storage service to the PC U; U ordered registration request to the PC has enough processing and can be a PC and U server machine has optimal network connection B. 此后服务器B负责向PC机U提供云存储服务。 After server B is responsible for providing cloud storage services to the PC U.

[0099] 步骤601,PC机U通过网络连接到服务器A登录请求。 [0099] Step 601, PC unit U is connected to the server through the network A registration request.

[0100] 步骤602,服务器A均衡器发现服务器A没有足够的处理能力为PC机U提供云存储服务,查找除自身外与PC机U网络连接最优的服务器。 [0100] Step 602, the server discovery server A A equalizer does not have sufficient processing power to provide a cloud storage service for the PC U, except itself connected to the server to find the optimal U and PC network.

[0101] 步骤603,发现服务器B网络连接最优,询问服务器B是否有足够的处理能力提供云存储服务。 [0101] Step 603, the optimal network connection discovery server B, server B asks whether there is sufficient processing power to provide cloud storage service.

[0102] 步骤604,服务器B均衡器确认其有足够的处理能力提供云存储服务。 [0102] Step 604, the server B equalizer confirm that they have sufficient processing power to provide cloud storage service.

[0103] 步骤605,服务器A告之PC机U向服务器B登录请求。 [0103] Step 605, the server PC, U Advertisement A login request to the server B.

[0104] 步骤606,PC机U通过网络连接到服务器B登录请求。 [0104] Step 606, PC unit U is connected to the server via the network login request B.

[0105] 步骤607,服务器B允许登录并开始为PC机U提供云存储服务。 [0105] In step 607, the server B allowed to log in and begin to offer cloud storage services for PC, U.

[0106] 以上所述仅是本发明的具体实施方法及一些基本实施例的流程,其内容只是为了便于理解本发明的基本原理与流程,并非用于限定本发明。 [0106] The above are only specific embodiments of the present invention and the method of some embodiments of the basic process, the contents only to facilitate understanding the basic principles and processes of the present invention and are not intended to limit the present invention. 流程图仅展现了本发明实施例的主要逻辑顺序,而非全部可能存在的逻辑顺序。 Only the main logic flow chart showing the sequence of an embodiment of the present invention, not all logical sequence may be present. 任何有一定相关领域技术知识的人员,在不脱离本发明原理的前提下,还可以在实施细节和流程上做出若干修改和变化,这些修改和变化也应视为本发明的保护范围。 Anyone have some technical knowledge of the field, without departing from the principles of the invention premise, can make various modifications and changes in detail and implementation processes, such modifications and variations should also be regarded as the protection scope of the invention. 另外,本发明阐述各功能器件和步骤可以用通用计算装置来实现,它们可以集中在单个计算装置上,也可以分布在多个计算装组成的网络中;它们可以由计算装置执行可执行的程序代码实现,也可以将它们中的单独或多个功能器件或步骤制作为集成电路来实现。 Further, the present invention describes the functional components and steps may be implemented with a general purpose computing device, they can be integrated on a single computing device or distributed in a network consisting of multiple computing device; they may be executed by a computing device executable program code implementation, or also a plurality of them separate functional devices or steps may be fabricated as integrated circuits. 本发明并不限制任何软硬件组合。 The present invention is not limited to any combination of hardware and software.

Claims (10)

1.一种数据云存储系统,其采用层次式结构,每层都聚合了若干功能器件,组合或单独实现某些功能,第一层是终端用户层,所有终端用户均由本层接入云存储系统,实现终端用户权限分享,数据上传前的压缩、加密和下载后解密、解压缩、数据差量比较功能;第二层是云端处理层,本层实现身份认证、数据二次加密、备份、差量更新、负载均衡功能;第三层是云端存储层,本层实现数据存储的功能;各层具体包含的功能器件及其功能是:1)终端用户层,使用云存储服务的终端用户所在的层次,包括:(1)分享器,与其他终端用户分享自己所拥有的数据操作权限;(2)终端策略器,允许终端用户定制策略并执行;(3)压缩/解压缩器,压缩要上传至下述云端处理层的数据或解压缩从下述云端处理层下载的数据;(4)加密/解密器,加密要上传至下述云端处理层的 A cloud data storage system, which uses hierarchical structure, each have a plurality of functional devices polymerized, alone, or in combination perform certain functions, the first layer is a layer of the end user, this all end users access the cloud storage layers by system, end-user permission to share, upload the data after the pre-compression, encryption and decryption download, decompress, difference data compare function; second layer is the treated layer cloud, this layer to achieve authentication, data encryption secondary, backup, difference update, load balancing; cloud third layer is a memory layer, this layer functions for data storage; functional device layers and their functions are specifically included: 1) end-users of the end user, where the cloud storage service level, comprising: (1) sharing device, a data sharing rights they own operation with other end users; (2) a terminal policy that allows end users to customize and execute policy; (3) compression / decompression, compact to Solutions or uploaded to the data processing layers below the cloud layer processing compressed data downloaded from the following Drive; (4) the encryption / decryption device, an encryption process to be uploaded to the cloud layer below 据或解密从下述云端处理层下载的数据;(5)差量比较器,比较编辑前后的数据差异变化量,作为更新云存储中数据副本的依据;(6)校验器, 校验传输器接收的数据是否完整;(7)传输器,通过网络与下述云端处理层的传输器建立连接实现数据上传/下载,采用现有网络传输协议或使用开发新的传输协议;(8)日志记录器,记录终端用户的登录/登出的操作信息;2)云端处理层对上述终端用户层的请求进行应答、提供云存储服务,有若干服务器组成,包括:(1)身份认证器,检验通过上述终端用户层登录的终端用户或在本层登录的管理员的身份的有效,确认终端用户或管理员的操作权限;(2)用户管理器,管理终端用户层的终端用户账号和本层的管理员账号、密码以及其操作权限;(3)云端策略器,云端处理层管理员定制并执行策略;(4)监控器,监控本层各服务器 Data or decrypted data downloaded from the treatment layer below the cloud; (5) differential comparator, the change amount difference data before and after editing comparison as a basis for updating the data stored in the copy of the cloud; (6) check, a check transmission the received data is complete; (7) the transmitter, to establish a connection for data upload / download, using existing network transmission protocol or develop a new protocol transmission through the transmission network and a cloud following treatment layer; (8) log recorder, a recording operation of the information terminal user login / logout; 2) Drive process for requesting the end user layer responds layer, cloud storage service, a number of servers, comprising: (1) authentication, a test the end user via the end user's logon layer or active layer in the present login as an administrator, the administrator or the end user to confirm the operating authority; end user account (2) user manager that manages end-users of the current layer and the administrator username, password and its operating authority; (3) cloud strategy, a cloud processing layer administrators to customize and enforce policies; (4) monitors, each monitor this server layer 剩余处理能力、服务器状态、下述云端存储层的各存储节点中的网络存储设备的剩余存储空间、网络存储设备状况,上述终端用户层的在线用户数目,并更改服务器服务状态、终端用户在线用状态;(5)均衡器,将终端用户层的数据服务请求分配给云端处理层中有足够处理能力且与发出数据服务请求的终端用户层的网络接入点间网络连接最优的服务器,根据云端存储层各存储节点中网络存储设备的剩余存储空间,分配数据存储到各存储节点;(6)传输器,通过网络与上述终端用户层建立连接实现数据接收/发送,支持现有网络传输协议或使用开发新的传输协议;(7)压缩/解压缩器,压缩上述终端用户层没有进行压缩的数据或解压缩要下发到上述终端用户层的由本层压缩的数据;(8)加密/解密器,对要存储到下述云端存储层的数据进行加密封装或将从下述云 Online user number of remaining storage space remaining processing capacity, the state of the server, each of the following cloud storage node of the storage layer of the network storage device, a network storage device condition, above the end-user layer, and change the status of the server services, end-users with online state; (5) equalizer, the data service request is allocated to the end-users of the cloud treatment layer has sufficient processing power and most sent between a server connected to the end-users of the data service request network access point network, in accordance with the remaining storage space of the storage node of each memory layer cloud network storage devices assigned to the respective data stored in the storage node; (6) transmitter, to establish a connection for data received / transmitted by the network and the end user level, to support the existing network transmission protocol or the development of new transmission protocol; (7) compression / decompression, a compressed data or decompress the compressed layer is not the end-user to end-user issued to said data layer is compressed by the layer; (8) encryption / decryptor, the data storage layer below the cloud to be stored to be encrypted or encapsulated cloud from following 存储层读取的数据进行解密;(9)校验器,校验传输器接收或存储器读取的数据是否完整;(10)更新器,依据上述终端用户层上传的数据差量信息,对存储在下述云端存储层的数据和备份进行更新;(11)备份器,对所有保存到下述云端存储层的数据,创建副本,副本与原数据一同存储在下述z?端存储层中;(12)存储器,连接下述云端存储层任何存储节点中的任何网络存储设备,将数据保存到均衡器指定的网络存储设备中,读取存储在下述云端存储层的数据;(14)日志记录器,记录本层及下述云端存储层的网络流量信息、服务状态的日志信息;3)云端存储层包含若干网络存储节点,每个网络存储节点包含若干网络存储设备,包括:(1)网络存储设备,保存上述云端处理层提交的数据。 Data storage layer to read decrypted; (9) check, a check or the transmitter receives a memory read data is complete; (10) is updated, difference data based on information of the end-users of the upload, storage and updates the backup data storage layer below the cloud; (11) backup, all of the saved data storage layer below the cloud, create a copy with the original copy of the data stored with in the following z-side storage layer;? (12 ) memory, a network storage device connected to any of the following in any cloud storage node in the storage layer, save the data to the equalizer specified network storage device, reading data stored in the storage layer below the cloud; (14) logger, this log information recording layer and the network traffic following the cloud information storage layer, the service state; 3) cloud storage layer comprises a plurality of storage nodes network, each node comprising a plurality of network storage network storage devices, comprising: (1) network storage device , the cloud storage data submitted by the treatment layer.
2.根据权利要求1所述的系统,其特征在于,所述终端用户在使用云存储服务前必须先登录,通过身份有效性认证才能使用云存储服务。 2. The system according to claim 1, characterized in that, the end user must be logged in before using the cloud storage service, a cloud storage service to use by the validity authenticating identity.
3.根据权利要求1所述的系统,其特征在于,所述终端用户将自己对数据的操作权限与其他终端用户分享。 3. The system of claim 1, wherein the end user and other end users to share their authority to operate the data.
4.根据权利要求1所述的系统,其特征在于,所述终端用户层与云端处理层间交换的数据都是经过加密处理的数据。 4. The system of claim 1, wherein said end-user data are encrypted data with the cloud interlayer layer switching process.
5.根据权利要求1所述的系统`,其特征在于,所述云端处理层在数据存储前都进行二次加密封装。 5. The system according to claim '1, characterized in that said cloud layer processing before storing the data for secondary encryption are encapsulated.
6.根据权利要求1所述的系统,其特征在于,所述云端处理层对所有存储的数据都进行备份存储。 6. The system according to claim 1, wherein said layer of cloud data processing are all stored for backup storage.
7.根据权利要求1所述的系统,其特征在于,所述终端用户层的终端用户和云端处理层的管理员都依据自身对数据的操纵权限制定执行自定义的策略。 7. The system according to claim 1, wherein said end users and administrators treatment layer end-users of the cloud are based on its own to develop data manipulation authority to perform a custom policy.
8.根据权利要求1所述的系统,其特征在于,所述终端用户层的终端用户和云端处理层的管理员每次进行操作前都需要确权。 8. The system according to claim 1, characterized in that the end-user and end user handling layer cloud layer administrator need every time the right to do before operation.
9.根据权利要求1所述的系统,其特征在于,所述云端处理层的管理员监控云中任何服务器、网络、任何网络存储设备的状态信息。 9. The system according to claim 1, characterized in that said treatment layer cloud administrator to monitor any cloud server, the network, any network state information storage device.
10.根据权利要求1所述的系统,其特征在于,所述云端处理层具有负载均衡的能力,即:分配数据处理任务到有足够处理能力的服务器、将数据存储到有足够存储空间的网络存储设备中。 10. The system according to claim 1, characterized in that said treatment layer has a cloud load balancing capabilities, namely: the data processing task to allocate enough processing capability of the server, the data stored in the network there is sufficient storage space storage device.
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