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Digital Organism Database System Design and Implementation of resource access

Author: ChuDing
Tutor: LiuXinSong
School: University of Electronic Science and Technology
Course: Computer System Architecture
Keywords: Digital Organism Database Resource Access p2p
CLC: TP311.52
Type: Master's thesis
Year: 2008
Downloads: 26
Quote: 0
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Abstract


With the development of information society, more and more information is digitized, especially with the development of Internet, digital information exploding. So in the next few years, how to store and manage these data will become the focus of attention. The seventies and eighties, these data are stored in the minicomputer expensive, the regular maintenance by the administrator as the data, but this requires a large investment, and once the machine fails, the system will interrupt service to the enterprise losses. In recent years, as people of distributed systems research, the rapid development of hardware technology, high-speed network technology matures, and the open-source Linux operating system's rapid rise, the emergence of a number of Linux-based server systems with distributed to store and manage these data; these servers are generally more high-performance PC server via high speed LAN connection, the coordination of the distributed operating system under the management form an organic whole, both to ensure high data reliability, but also make the system service capacity has been significantly improved compared to stand-alone. Department in the years 8010 distributed parallel system development based on the combination of distributed peer to peer network itself features, developed a digital organism systems to resource management as the fundamental starting point, to meet the needs of different network applications. Digital organism system's main task is information management and task scheduling. In information management, how to achieve access to the information resources is a key study: In order to adapt to large-scale application of different networks, resources, information access mode must have the versatility and scalability; access to information about how to improve the efficiency of resource is designed to achieve them key issues that must be considered. By p2p systems, traditional distributed systems and database systems research, and in the Department of distributed database system has been the basis, the paper design and realization of the digital organism database resources to access the system. The Resource Access system enables transparent access to database resources, facilitate database used by ordinary people in the form of database operation commands to access database resources, which greatly expanded the scope of application of digital organisms database. Through a modular and hierarchical design makes access to the system resources to meet the needs of a variety of network applications and is highly scalable. For access to resources to enhance the efficiency of resource access is through the design and implementation always. Tests show that digital organisms database resources are provided access to the system resource access interface to the design of functional requirements, in operation can well meet the general requirements of users.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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