Most of this stuff you keep saying is incorrect. There is everything unfair about it. We make our own reality.
One way to make it truly fair is for every cross connect to be the same distance to a matchine engine, within a reasonable tolerance, say 10 feet. This is the approach that Katsuyama took, by adding fiber coil to slow down the HFT. It has leveled the playing field at his shop. The approach here would have to be a little more complicated, since it isn't multi-building geography we are trying to equalize, but withing the same building:
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I remember going to NY4
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and noticing which cages were next to what. Guess what, Goldman Sachs cages (they had reams of them) were
right next to the primo matching engines. And of course, being a huge customer, Equinix is in bed with them. All of it simply to continue the monopoly that these firms have over everyone else.
This is an unnecessary advantage easily solved by trivial technology. By equalizing the distance from any cage to another other cage to within ten feet of each other, 95% of the
colocated unfairness of the markets would go away overnight. The cost to Equinix would be a little extra fiber for the closest cross connects. Eight tiers would go down to two, or in a dream world, one tier.
There are people that think
all colocation should go away. That is a different issue, one that would probably never happen. Then there are exchanges where one can arbitrage one against another. God bless you if you have access to microwave between NY and Chicago. This is also not what I am talking about. I am talking about strictly flattening distance once you are at the
same building.