Abstract
Network emulation is an essential method to test network architecture, protocol and application software during a network’s entire life-cycle. Compared with simulation and test-bed methods, network emulation possesses the advantages of accuracy and cost-efficiency. However, legacy network emulators are typically restricted in scalability, agility, and extensibility, which builds barriers to prevent them from being widely used. In this paper, we introduce the currently prevalent cloud computing and related technologies including resource virtualization, NFV (network functional virtualization), SDN (software-defined networking), traffic control and flow steering to the network emulation domain. We design and implement an innovative cloud-based network emulation platform, aiming at providing users Network Emulation as a Service (NEaaS), which can be conveniently deployed on both public and private clouds. We carried out performance evaluation and discussion on this platform. It turns out, the platform can significantly outperform most legacy network emulators regarding to the scalability, agility, and extensibility, with much lower emulation costs.
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Acknowledgement
This work is partially supported by the Science and Technology on Communication Networks Laboratory(Grant No. XX17641X011-03), the 54th Research Institute of China Electronics Technology Group Corporation, and the National Natural Science Foundation of China (Grant No. 61402085 and 61872051).
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Lai, J., Tian, J., Jiang, D., Sun, J., Zhang, K. (2019). Network Emulation as a Service (NEaaS): Towards a Cloud-Based Network Emulation Platform. In: Song, H., Jiang, D. (eds) Simulation Tools and Techniques. SIMUtools 2019. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 295. Springer, Cham. https://doi.org/10.1007/978-3-030-32216-8_49
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