The book Flash Boys by Michael Lewis covers HFT in general and a similar fiber optic line built by Spread Networks in 2010. It's definitely a fascinating world.

The book Flash Boys by Michael Lewis covers HFT in general and a similar fiber optic line built by Spread Networks in 2010. It's definitely a fascinating world. Apparently HFT's have moved on to microwave (https://www.bloomberg.com/news/features/2019-03-08/the-gazillion-dollar-standoff-over-two-high-frequency-trading-towers https://www.bloomberg.com/news/features/2019-03-08/the-gazil...) to gain a further edge over fiber optic.