Millionths of a Second Can Cost Millions of Dollars: A New Way to Track
Network Delays
San Diego, CA, August 20, 2009 -- Computer scientists have developed an
inexpensive solution for diagnosing delays in data center networks as
short as tens of millionths of seconds—delays that can lead to
multi-million dollar losses for investment banks running automatic stock
trading systems. ...
University of California, San Diego and Purdue University computer
scientists presented this work on August 20, 2009 at SIGCOMM, the
premier networking conference.
....
If an investment bank’s algorithmic stock trading program reacts to
information on cheap stocks from an incoming market data feed just 100
microseconds earlier than the competition, it can buy millions of shares
and bid up the price of the stock before its competitors’ programs can
react, the computer scientists say.
....
Full story at
http://www.jacobsschool.ucsd.edu/news/news_releases/release.sfe?id=878
The paper is:
“Every Microsecond Counts: Tracking Fine-Grain Latencies with a Lossy
Difference Aggregator,” by Ramana Kompella from Purdue University, and
Kirill Levchenko, Alex C. Snoeren, and George Varghese from the
University of California, San Diego.
http://www-cse.ucsd.edu/~snoeren/papers/lda-sigcomm09.pdf
This work was supported in part by the National Science Foundation (NSF)
and a grant from Cisco Systems.
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