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International Workshop on Wireless Traffic Measurements and Modeling — Abstract
Pp. 7–12 of the Proceedings
MobiNet: A Scalable Emulation Infrastructure for Ad hoc and Wireless
Networks
Priya Mahadevan, University of California, San Diego; Adolfo Rodriguez, IBM and Duke University; David Becker, Duke University; Amin Vahdat, University of California, San Diego
Abstract
The current state of the art in evaluating applications and
communication protocols for ad hoc wireless networks involves either
simulation or small-scale live deployment. While larger-scale
deployment has been performed, it is typically costly and difficult to
run under controlled circumstances. Simulation allows researchers to vary system configurations such as MAC layers and routing protocols. However, it requires the duplication of
application, operating system, and network behavior within the
simulator. While simulation and live deployment will clearly
continue to play important roles in the design and evaluation of
mobile systems, we present MobiNet, a third point in this
space. In MobiNet, the communication of unmodified applications running on
stock operating systems is subject to the real-time emulation of a
user-specified wireless network environment. MobiNet utilizes a cluster of emulator nodes to appropriately
delay, drop or deliver packets in a hop by hop fashion based on MAC-layer protocols, ad hoc routing protocols, congestion, queuing, and available bandwidth in the network. MobiNet infrastructure is extensible, facilitating the
development and evaluation of new MAC layers, routing protocols,
mobility and traffic models. Our evaluations show that MobiNet emulation is
scalable and accurate while executing real code, including video
playback.
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