Talk about the new CCA: Elastic-TCP

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Tao Tse

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Jul 28, 2021, 5:20:50 AM7/28/21
to BBR Development
Hi,

I'm not sure it is suitable to discuss another CCA here.


Cause the elastic-tcp is simple enough from my comprehension, so I spent some time  to implement one: https://github.com/vertextao/tcp-elastic , and did a simple test:

125387081-eedb0a80-e3cf-11eb-92a1-6f6dfdcce280.png
But, as the paper described, the cwnd increasing function curve should be square root like, the test result looks not. What I missed?

Note: I observe the RTT value to reflex the cwnd value (because of the bufferbloat, the more inflght, the bigger RTT, I confirmed this on Reno and Cubic).

Thanks for any discussion!
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