NSDI '06 — Abstract
Pp. 87–100 of the Proceedings
To Infinity and Beyond: Time-Warped Network Emulation
Diwaker Gupta, Kenneth Yocum, Marvin McNett,
Alex C. Snoeren, Amin Vahdat, and Geoffrey M. Voelker,
University of California, San Diego
Abstract
The goal of this work is to subject
unmodified applications running on commodity operating systems
and stock hardware to network speeds orders of magnitude faster
than available at any given point in time. This paper describes
our approach to
time dilation, a technique to uniformly and accurately
slow the passage of time from the perspective of an operating
system by a specified factor. As a side effect, physical
devices--including the network--appear relatively faster to
both applications and operating systems. Both qualitative and
statistical evaluations indicate our prototype implementation
is accurate across several orders of magnitude. We demonstrate
time dilation's utility by conducting high-bandwidth
head-to-head TCP stack comparisons and application
evaluation.
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