A Novel Security-Driven Scheduling Algorithm for Precedence-Constrained Tasks in Heterogeneous Distributed Systems
A Novel Security-Driven Scheduling Algorithm for Precedence-Constrained Tasks in Heterogeneous Distributed Systems
复制标题
异构分布式系统中优先级约束任务的新型安全驱动调度算法
DOI:
10.1109/tc.2010.117
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发表时间:
2011-07
影响因子:
3.7
通讯作者:
Veeravalli, Bharadwaj
中科院分区:
文献类型:
--
作者:
Tang, Xiaoyong;Li, Kenli;Zeng, Zeng;Veeravalli, Bharadwaj
In the recent past, security-sensitive applications, such as electronic transaction processing systems, stock quote update systems, which require high quality of security to guarantee authentication, integrity, and confidentiality of information, have adopted heterogeneous distributed system (HDS) as their platforms. This is primarily due to the fact that single parallel-architecture-based systems may not be sufficient to exploit the available parallelism with the running applications. Most security-aware applications end up in handling dependence tasks, also referred to as Directed Acyclic Graph (DAG), on these HDSs. Unfortunately, most existing algorithms for scheduling such DAGs in HDS fail to fully consider security requirements. In this paper, we systematically design a security-driven scheduling architecture that can dynamically measure the trust level of each node in the system by using differential equations. To do so, we introduce task priority rank to estimate security overhead of such security-critical tasks. Furthermore, we propose a security-driven scheduling algorithm for DAGs which can achieve high quality of security for applications. Our rigorous performance evaluation study results clearly demonstrate that our proposed algorithm outperforms the existing scheduling algorithms in terms of minimizing the makespan, risk probability, and speedup. We also observe that the improvement obtained by our algorithm increases as the security-sensitive data of applications increases.
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DOI:
10.1109/71.655248
发表时间:
1998
期刊:
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影响因子:
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影响因子:
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发表时间:
2005-05
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影响因子:
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发表时间:
2003
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