[1]张云锋 李胜磊 王炳波 华庆一[] 郝克刚[].基于Web的网格入口软件研究与实现[J].计算机技术与发展,2007,(07):53-56.
　ZHANG Yun-feng,LI Sheng-lei,WANG Bing-bo,et al.Research and Implementation of Web- Based Grid Portal[J].,2007,(07):53-56.
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基于Web的网格入口软件研究与实现()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2007年07期
页码:
53-56
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
Research and Implementation of Web- Based Grid Portal
文章编号:
1673-629X（2007）07-0053-04
作者:
张云锋1 李胜磊2 王炳波1 华庆一[3] 郝克刚[3]
[1]西安理工大学计算机科学与工程学院[2]西安安智科技有限公司[3]西北大学信息科学与技术学院
Author(s):
ZHANG Yun-feng;  LI Sheng-lei;  WANG Bing-bo;  HUA Qing-yi;  HAO Ke-gang
[1]Department of Computer Sci. and Eng. , Xi＇ an University of Technology[2]Xi＇ an Anzhi Science and Technology Corporation[3]Institute of Information and Science of Northwest University
关键词:
网格监控; 遗传算法; 任务调度; 网格入口软件; 有向无环图
Keywords:
grid monitoring;  GA;  task scheduling;  grid portal;  DAG
分类号:
TP311.5
文献标志码:
A
摘要:
通过分析网格的使用模式，设计实现了网格入口软件WebGrid。WebGrid的研究与实现围绕网格监控和任务调度展开，采用了基于遗传算法的任务调度算法。该算法采用资源-任务的间接编码方式，通过DAG图获取子任务的层次关系，并将子任务按照层次深度排序，解决了种群的非法问题。在单一资源上采用短任务优先和父结点优先两个原则来安排子任务的执行次序，避免出现任务堵塞的现象
Abstract:
The use mode of grid is defined in the dissertation, a grid portal - WebGrid, is designed and implemented. The research and implementation of WebGrid are based on grid monitoring and task scheduling, by research existing grid monitoring and task scheduling mechanism, combine with existing distribute technique, a task scheduling strategy based on GA （genetic algorithm） is developed. The chromosome - coding method and the operator of genetic algorithm are discussed in detail. The relationship between subtasks can be obtained through the DAG, and then the subtasks are ranked according to their depth- value, which can avoid the emergence of invalidate chromosomes. In the single resource, two principles are adopted to determine the sequence of the subtasks： one is the short - subtask prior; the other is parent - subtask prior. MyProxy mechanism is introduced in security managing module of WebGrid, the disagreement of Web security protocols and Globus＇s grid security infrastructure is resolved

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备注/Memo

备注/Memo:
国家自然科学基金资助项目（60073050）;陕西省教育厅专项科研基金资助项目（06JK225）;西安市科技攻关项目（GC-06012）;西安理工大学青年基金（116-210602）张云锋（1981-），男，河南安阳人，助教，硕士，研究方向为网格计算、网络安全；华庆一，教授，博士生导师，主要研究方向为人机交互、软件工程与理论；郝克刚，教授，博士生导师，主要研究方向为软件工程与理论、工作流技术
更新日期/Last Update: 1900-01-01