Cloud computing and cloud storage

下面为大家整理一篇优秀的paper代写范文- Cloud computing and cloud storage，供大家参考学习，这篇论文讨论了云计算和云储存。云计算是一种计算模式，但与传统的计算模式不同，云计算具有更强大的计算能力。云存储技术以云计算为基础，是在云计算的基础和理念上发展的一种新概念。云随着互联网技术的不断发展，基于云计算技术的云存储服务系统逐渐完善。云存储系统可以更加高效地利用现有的固定存储设备，通过云存储服务端安全、高效存储用户数据，能有效改善存储设备配容不均衡的问题，实现对海量数据的安全存储。

Cloud computing is a computing model, but different from the traditional computing model, cloud computing has more powerful computing power. In the process of network computing, cloud computing technology can automatically divide the computing program into several small programs and disperse them to various servers in the huge network computing system. The servers in the computing system will be analyzed and the computing results will be fed back to users through the network. Cloud computing system and "supercomputer" function is similar, both have powerful network computing capacity and service function, can complete big data operation in a short time, and effectively serve the network data information provider.

Cloud storage technology, based on cloud computing, is a new concept developed on the basis and concept of cloud computing. Cloud storage is a special kind of network storage and service framework, is a kind of by each region servers and storage devices connected together through the calculation of network storage system, main effect is to the network of the existing various storage devices and application software, computer technology to realize network collection, through the network can make all kinds of storage system coordination analysis and process the data.

Cloud storage comes from the development of cloud computing, cloud computing is the basis of cloud storage. The main purpose of cloud computing is to analyze and calculate the big data of network service providers. Cloud storage mainly stores specific analysis and calculation results and provides them to users. Cloud storage system is a system that can analyze, store and manage data. By configuring specific storage devices, cloud computing system can be transformed into cloud storage system. From the structural level of the whole framework, the cloud storage system adds a storage device layer, and based on storage requirements, the security management of network data also adds corresponding functions, such as access layer. Cloud storage and cloud computing systems are not very different and can be used interchangeably.

Compared with traditional storage devices, cloud storage systems can store data files that need to be stored in different servers by establishing copies. That way, in case of an emergency such as a storage failure, the system can automatically call another server that holds a copy of the data file to ensure the normal operation of the whole system. Cloud storage system can be massive expansion. When storing data in traditional storage mode, it is necessary to store the data reasonably according to the capacity of the hard disk. Once the amount of data exceeds the storage capacity of the hard disk device, the storage device must be added for capacity expansion, resulting in data dispersion. Cloud storage can realize the simultaneous work of multiple servers and storage devices. By increasing storage servers, the system capacity and storage space can be infinitely expanded, which not only saves storage cost, but also effectively improves storage efficiency. Cloud storage system can effectively balance the storage workload between storage servers. When data storage is too large and multiple storage devices are working at the same time, unbalanced workload distribution is likely to occur, which will waste the efficiency of the entire storage system. Through the analysis and computing functions of the cloud computing system, the cloud storage system allocates storage data reasonably, making the whole storage system in the most efficient state.

The structure model of cloud storage is divided into four parts, namely, storage layer, basic management layer, application interface layer and access layer. These four parts constitute a complete structure framework of cloud storage system, in which storage layer is the core of cloud storage system. Cloud storage system is not only a fixed storage devices, and it is a collection of computer network technology, storage, user, server, application software, and the different components of complex system such as the client program, each component has its own role and function, through the concrete application and the client software to provide data storage services.

In the network environment, when designing cloud storage devices and computers through cloud computing technology, it is necessary not only to meet the actual needs of users, but also to consider the security of the entire network environment and conduct some targeted tests to simulate network hacker attacks. Evaluate the security performance of the whole cloud computing system through the test results, and improve the weak security links in the system based on the test results, especially the security vulnerabilities and defects in the cloud storage system, which need to be investigated and repaired in detail.

Besides the data provided by network service providers, the data analyzed and processed by cloud computing and cloud storage system also involve some client applications. The data are not only large in quantity, but also complex and extensive in content composition. Therefore, the whole cloud computing storage system is vulnerable to attacks, both internal attacks and external attacks. Internal attack refers to the network hacker attacks the client data, resulting in illegal access to the data stored by the client in the cloud storage server. The external attack is aimed at the cloud storage service side attack, USES the system security flaw to carry on the attack. In order to prevent internal attacks, users' stored data can be encrypted, thus effectively improving the security performance of cloud storage. For external attacks, cloud storage service providers can establish encryption storage protocol to improve the security performance of the entire data storage, so as to ensure the security of user data.

When designing the cloud storage system, the security performance of the whole system should be fully considered, the blind spots and vulnerabilities of the system should be comprehensively analyzed, and the defects in the system should be eliminated and repaired. In addition, comprehensively evaluate the security of the cloud computing system, improve the overall security performance of the cloud computing system, and avoid security holes and defects in the system.

Due to the huge structure and complex content of the computer network, the cloud computing system is vulnerable to security threats. Therefore, the security performance of cloud computing system must be improved. In order to better maintain users' data information and improve the security performance of cloud storage system, data encryption method can be adopted. When the user needs to use the data stored in the cloud storage server, he/she must pair his/her key with the main key of the cloud storage server, which guarantees the user's absolute control and right to use the data information and effectively improves the security performance of the whole cloud storage device.

In addition, authentication can be used. Users provide their identity information to the cloud storage server. Only after the computing analysis of the computer, the cloud storage server compares the information and passes the verification, can the data in the cloud storage server be applied. Generally, user authentication information is verified by user password, that is, the user provides a password that can prove the identity to the cloud storage server, but the password is not flexible and easy to be used by the third party. In order to avoid this situation, a two-way authentication system can be established between the user and the cloud storage server, that is, the user does not need to provide the password of authentication information to the cloud storage server, but only needs to use the symmetric password system to audit and confirm the identity.

Founded in early 2000 in zhongguancun, China, baidu has developed into the world's largest Chinese index website, mastering the world's latest scientific core technology. In 2015, baidu officially developed baidu cloud public cloud storage platform and formed a complete cloud computing storage system by combining cloud computing, big data and artificial intelligence as a trinity of high-end computer information technology, which can continuously improve safe, efficient and intelligent data analysis and storage services to the society.

After decades of practice and operation, baidu cloud storage system launched by baidu has become the main way to store data on mobile phone client and PC client. Baidu cloud disk provides intelligent big data, intelligent multimedia and intelligent Internet of things technology to expand the practical application field of users, can meet the needs of users in different application modes. Baidu cloud disk can provide users with corresponding data storage, backup, file resource sharing and other services, which centralizes a large number of customer groups for the subsequent business model.

Baidu cloud storage system initially used, for users to provide services completely free, but will be based on the user's use of cloud storage capacity. Firstly, users are provided with a certain amount of cloud storage capacity free of charge, and the cloud storage capacity exceeding the limit will be charged according to the actual usage of each user. This is an efficient, safe and cost-effective operation mode, which can not only serve the public, but also ensure the long-term profitability of the enterprise.

Baidu cloud disk support file sharing, encryption and decryption procedures, file data sharing has a certain time limit. By adopting the protection measures of timeliness, the files can be effectively avoided from being stolen during the sharing process, and the security of data files can be effectively improved. Baidu cloud is very inclusive and can share and store various types of data files. It has its own cloud computing platform, which can provide cloud computing services with controllable performance and exclusive resources for companies, enterprises and individual users. Moreover, it can connect and use with other cloud products to achieve efficient data sharing. Baidu cloud storage charging mode is single, users only need to pay a certain amount of expansion costs, no additional costs, this can encourage the research and development team to focus on the development of cloud computing technology and storage system, and timely feedback to the user research and development results.

With the continuous development of Internet technology, cloud storage service system based on cloud computing technology is gradually improved. The cloud storage system can make more efficient use of existing fixed storage devices. Through the safe and efficient storage of user data on the cloud storage server, it can effectively improve the unbalanced distribution of storage devices and realize the safe storage of massive data.

Although based on cloud computing technology premise of cloud storage services have already completed the process from concept model is established to the concrete practice, formed a set of complete technology, high safety performance of complete sets of products, but because of cloud computing and cloud storage service system of the high cost, the cost is relatively serious, and need a high-end technology, most companies cannot achieve the construction of the threshold. At present, the storage system based on cloud computing consumes huge manpower and material resources, and the application scope of the whole service system is small. Although many people don't know much about cloud computing storage systems, this does not prevent cloud computing storage systems from becoming the mainstream of storage services in the future. The successful application of storage system based on cloud computing technology has completely changed the traditional data storage mode and provided a safer and faster way for users to store data.

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