Fault-Tolerant Scheduling in Homogeneous Real-Time Systems

被引:46
|
作者
Krishna, C. M. [1 ]
机构
[1] Univ Massachusetts, Dept Elect & Comp Engn, Amherst, MA 01003 USA
基金
美国国家科学基金会;
关键词
Algorithms; Reliability; Cyber-physical systems; task assignment; task scheduling; real-time systems; time redundancy; APERIODIC TASKS; PERFORMANCE;
D O I
10.1145/2534028
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Real-time systems are one of the most important applications of computers, both in commercial terms and in terms of social impact. Increasingly, real-time computers are used to control life-critical applications and need to meet stringent reliability conditions. Since the reliability of a real-time system is related to the probability of meeting its hard deadlines, these reliability requirements translate to the need to meet critical task deadlines with a very high probability. We survey the problem of how to schedule tasks in such a way that deadlines continue to be met despite processor (permanent or transient) or software failure.
引用
收藏
页数:34
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