oaioai:CiteSeerX.psu:10.1.1.571.7264

A Framework for Modeling Operating System Mechanisms in the Simulation of Network Protocols for Real-Time Distributed Systems

Abstract

In this paper we present a software tool for the simula-tion of distributed real-time embedded systems. Our tool is based on the popular NS-2 package for simulating the net-working aspects, and on the RTSim package for the real-time operating system aspects. By reusing much of the exist-ing code, our simulator covers a very wide range of network protocols and real-time mechanisms. After describing the architecture of our tool, we tested it in a simple wireless sensor networks scenario, and we mea-sured the latency in transmitting and receiving messages due to the concurrent activities in the nodes. These effects have been tested against two node scheduling policies, and under different load conditions in the CPU of the nodes. 1

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oaioai:CiteSeerX.psu:10.1.1.571.7264Last time updated on 10/29/2017

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