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REAL-TIME SYSTEMS: AN INTRODUCTION AND THE STATE-OF-THE-ART
 

Summary: R
REAL-TIME SYSTEMS: AN INTRODUCTION
AND THE STATE-OF-THE-ART
INTRODUCTION
Our goal in this article is to give an overview of the broad
area of real-time systems. This task daunting because real-
time systems are everywhere, and yet no generally
accepted definition differentiates real-time systems from
non­real-time systems. We will make an attempt at pro-
viding a general overview of the different classes of real-
time systems, scheduling of tasks (or threads) in such
systems, design tools and environments for real-time sys-
tems, real-time operating systems, and embedded systems.
We will conclude our discussions with research challenges
that still remain.
Definitions
Hard versus Soft Real-Time Systems
Real-time systems are classified as hard or soft real-time
systems. Hard real-time systems have very strict time
constraints, in which missing the specified deadline is

  

Source: Akl, Robert - Department of Computer Science and Engineering, University of North Texas

 

Collections: Computer Technologies and Information Sciences