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Bridging the Gap Between Reality and Simulations: An Ethernet Case Study

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3 Author(s)
Rathod, P. ; Kanwal Rekhi Sch. of Inf. Technol., Mumbai ; Perur, S. ; Rangarajan, R.

Simulation is a widely used technique in networking research and a practice that has suffered loss of credibility in recent years due to doubts about its reliability. In this paper, we conduct a simple Ethernet experiment on a test-bed, and try to reproduce the results using three popular network simulators: ns-2, QualNet and OPNET Modeler. We find that after careful simulation we are able to approximate test-bed performance in all three simulators, and we document the simulation process for each one. We also identify blocking socket calls as a behavioral attribute of applications that affects performance, but cannot be set in any of the three simulators used.

Published in:

Information Technology, 2006. ICIT '06. 9th International Conference on

Date of Conference:

18-21 Dec. 2006