What's the TCP congestion control algorithm?

From: Martin Martin
Date: Wed Jul 11 2012 - 09:15:28 EST

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According to the Wikipedia article on CUBIC, it's used in Linux kernels
2.6.19 and above. Is that still the case? Are there any plans to use a
different algorithm in the foreseeable future?

Is it as described in the 2008 ACM SIGOPS paper by Ha, Rhee and Xu:

http://cse.unl.edu/~xu/paper/ha_ACM_2008.pdf

?

Also, I'm having throughput problems when running netcat from machine A ->
machine B, then taking the output and using separate instances of netcat to
move it from B to C. I'm guessing it's some interaction with the congestion
control algorithm, but I don't really know. Can anyone suggest a more
appropriate mailing list, book or other resource for tracking this down?

Thanks,
Martin
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