Stock routing algorithms

It seems that brokers always want to handle the stock routing for us. When will a broker make a routing that we can program ourselves. Then when there are thousands of people trying different things, a better way will be determined. Right now there is probably a couple hundred people making all the decisions for the whole country. A few decision makers per broker house.

E.g.
1)Flash Primex - zero second auction
no fill
2)re-route to SuperMontage
no fill
3)route to liquidity tracker - 15 second show
no fill
4) turn over to ARCA

Any thoughts...??
 
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