Scalability and Accuracy in a Large-Scale Network Emulator (2002)
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| Venue: | IN PROCEEDINGS OF THE 5TH SYMPOSIUM ON OPERATING SYSTEMS DESIGN AND IMPLEMENTATION (OSDI |
| Citations: | 201 - 39 self |
BibTeX
@INPROCEEDINGS{Vahdat02scalabilityand,
author = {Amin Vahdat and Ken Yocum and Kevin Walsh and Priya Mahadevan and Dejan Kostić and Jeff Chase and David Becker},
title = {Scalability and Accuracy in a Large-Scale Network Emulator},
booktitle = {IN PROCEEDINGS OF THE 5TH SYMPOSIUM ON OPERATING SYSTEMS DESIGN AND IMPLEMENTATION (OSDI},
year = {2002},
pages = {271--284},
publisher = {}
}
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Abstract
This paper presents ModelNet, a scalable Internet emulation environment that enables researchers to deploy unmodified software prototypes in a configurable Internet-like environment and subject them to faults and varying network conditions. Edge nodes running user-specified OS and application software are configured to route their packets through a set of ModelNet core nodes, which cooperate to subject the traffic to the bandwidth, congestion constraints, latency, and loss profile of a target network topology. This paper describes and evaluates the ModelNet architecture and its implementation, including novel techniques to balance emulation accuracy against scalability. The current ModelNet prototype is able to accurately subject thousands of instances of a distributed application to Internet-like conditions with gigabits of bisection bandwidth. Experiments with several large-scale distributed services demonstrate the generality and effectiveness of the infrastructure.
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