Rap Genius cofounder:

> The simulation was a bit of a stretch because the supposed number of servers you need to achieve "equivalent" performance is highly dependent on how slow your worst case performance is, and if your worst case isn't that bad the numbers look a lot better

It's still pretty bad. Here's a graph of the relative performances of the different routing strategies when your response times are much better (50%: 50ms, 99%: 537ms, 99.9%: 898ms)

http://s3.amazonaws.com/rapgenius/1360871196_routerstyles_fa...

See http://rapgenius.com/1504222 for more