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Being very fast within a single datacenter is not as valuable as having the fastest line between two datacenters. So being able to write a very fast program wouldn't be the holy grail of trading anyway (it would be to instantaneously transport information between e.g. NJ and Chicago using quantum entanglement or something.) That said, if you found an ...


If I understand correctly the TCP roundtrip time can be used as a posteriori proxi for the order entry gateway delay. So assuming the roundtrip time is composed of gate delay and independent other delays $RTT_g(t) = dT_g(t) + d_g(t)$ with assumed $Cov(dT_g,d_g)=0$ and $Cov(d_i,d_j)=0$. Minimizing the this combination of gate delay and other delays is ...

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