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Study and Implementation of Application Virtualization for Numerical Weather Prediction System

Author: WuHanHe
Tutor: ZhangWeiMin
School: National University of Defense Science and Technology
Course: Computer Science and Technology
Keywords: Application Virtualization Grid Web services Legacy code Service package tool Expand
CLC: TP399-C3
Type: Master's thesis
Year: 2008
Downloads: 76
Quote: 0
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Abstract


In recent years, the application of virtualization technology by the close attention of the IT enterprises and research institutions , it is committed to critical applications, separated from the bottom of the system environment , and applications and their associated data integration technology improvement by centralizing application interoperability and security , improve the utilization of critical application systems , to reduce the maintenance costs of the system . These codes are usually controlled by Namelist single-user applications to run from command line , run a long time and a large amount of data involved in the field of numerical weather prediction , there is a lot of use legacy code written in languages ??such as Fortran, Perl , difficult to be integrated directly into the complex grid environment . In this paper, numerical weather prediction specific application characteristics , the field of numerical weather application virtualization launched an in-depth study , designed the basic framework of the numerical weather forecast application virtualization , to achieve of service package tools and a set of extensions . In service packaging tools , the introduction of a service factory method to solve the problem of dynamically created . Function expansion , in order to avoid the interference of multi-user data run numerical weather prediction applications , introduced the idea of working directory the working directory expansion is designed to solve numerical weather multi- user application in grid environment ; in research services on the basis of the level of security , designed permissions certification extension based service access policy to ensure legitimate access to legitimate user authorization services , to ensure the security of the service ; studied in order to improve the operating efficiency of the application , the application in a grid environment . distribution model , design of distributed management extended to the application of the demand distribution . On the basis of the above techniques , numerical weather prediction application virtualization , and application of numerical weather prediction grid system .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > In other aspects of the application
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