The PARNEM: using network emulation to predict the correctness and performance of applications

Authors:
Yue Li;Depei Qian;Chunxiao Xing;Ying He
Affiliations:
Research Institute of Information Technology, Tsinghua University, Beijing, P.R. China;School of Computer, Beihang University, Beijing, P.R. China;Research Institute of Information Technology, Tsinghua University, Beijing, P.R. China;School of Computer, Beihang University, Beijing, P.R. China
Venue:
GCC'05 Proceedings of the 4th international conference on Grid and Cooperative Computing
Year:
2005

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Abstract

Internet is characterized as a uncontrollable, variable and unpredictable infrastructure, this brings the difficulty of developing, debugging and evaluating network applications. Network emulation system constructs a virtual network environment which has the characteristics of controllable and repeatable network conditions. This makes it possible to predict the correctness and performance of proposed new technology before deploying to Internet. In this paper we present a methodology for predicting the correctness and performance of applications based on the PARNEM, a parallel discrete event network emulator. PARNEM employs a BSP based real-time event scheduling engine, provides flexible interactive mechanism and facilitates legacy network models reuse. PARNEM allows detailed and accurate study of application behavior.