Microwave or fiber

Light 05

Choose

Chicago to New Jersey: 1,190 km. Towers take about 4.05 ms one way, fiber 6.5 ms. The radio carries 1 Gbit/s and fades in rain. Each second, 8 orders and one 2 MB settlement batch go east. Keep the median under 5 ms, and deliver 99 percent through a storm.

Goals

Not tested yet

Half of the requests finish faster than this.The share of requests that get a correct answer.What the servers and services cost each month.
Choose a design
All traffic on fiber
All traffic on the towers, fiber as backup
Orders on the towers, settlement on fiber, fiber as backup