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Real - Time Operating Systems

Real Time in a Real Operating System

Now more than ever, the quality of an operating system is more a subject of religious debate than of technical merit. The Windows community is like the Catholic Church; it has the largest following, its rituals are the most baroque and Bill Gates is as infallible as the Pope. The Unix community is like the mainstream protestant church; it has quite a large following, rituals which, by and large...

Real-Time Operating System Security

Abstract — Real Time Operating Systems lie at the heart of most embedded systems. Connectivity of these systems enable user to monitor and control these systems remotely. This report show current systems have many faults in which the system is connected to each other, and to the world. An analysis shows these systems could be significantly more secure if security policies were followed and if c...

Real Time Operating Systems Overview ∗

Modern control systems applications are often built on top of a real time operating system (RTOS) which provides the necessary hardware abstraction as well as scheduling, networking and other services. Several open source RTOS solutions are publicly available, which is very attractive, both from an economic (no licensing fees) as well as from a technical (control over the source code) point of ...

A Time-Driven Scheduling Model for Real-Time Operating Systems

Process scheduling in real-time systems has almost invariably used one or more of three algorithms: fixed priority, FIFO, or round robin. The reasons for these choices are simplicity and speed in the operating system, but the cost to the system in terms of reliability and maintainability have not generally been assessed. This paper originates from the notion that the primary distinguishing char...