Dummynet: a simple approach to the evaluation of network protocols
ACM SIGCOMM Computer Communication Review
StarBED and SpringOS: large-scale general purpose network testbed and supporting software
valuetools '06 Proceedings of the 1st international conference on Performance evaluation methodolgies and tools
A Multi-Purpose Wireless Network Emulator: QOMET
AINAW '08 Proceedings of the 22nd International Conference on Advanced Information Networking and Applications - Workshops
Experiences in emulating 10K AS topology with massive VM multiplexing
Proceedings of the 1st ACM workshop on Virtualized infrastructure systems and architectures
The flexlab approach to realistic evaluation of networked systems
NSDI'07 Proceedings of the 4th USENIX conference on Networked systems design & implementation
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In the real Internet, various types of problems are encountered. Before integrating new technologies into the Internet, developers should understand the behavior of these technologies in the event of fault occurrence. Researchers conduct experiments on network testbeds to evaluate new technologies, but the main focus of the evaluations done so far has been to study the technologies' behavior in healthy situations. Currently, there are many network testbeds available. We developed and currently operate StarBED, an actual node-based network testbed. In this paper, we discuss methodologies to introduce faults into an experimental environment using an actual node-based network testbed. Then, we show two case studies of fault injection into our experimental environments on StarBED.