Conclusion
In this paper, we describe the trade-offs involved in implementing
nettimer, a Packet Pair-based tool for passively measuring
bottleneck link bandwidths in real time in the Internet. We show its
utility across a wide variety of bottleneck link technologies ranging
from 19.2Kb/s to 100Mb/s, wired and wireless, symmetric and asymmetric
bandwidth, across local area and cross country paths, while using both
one and two packet capture hosts.
In the future, we hope that nettimer will ease the creation of
adaptive applications, provide more insight for network performance
analysis, and lead to the development of more precise performance
measurement algorithms.
Kevin Lai
2001-01-29