[Routing] How to Establish Road Hierarchy

[David Piepgrass]

>>>(B) Furthermore, most devices are now Internet enabled and long
>>>routes can be calculated in the cloud using A*.
>>
>>A place where you certainly don't want A*.
>
>Well I'm stuck with A* because I can't afford a server with 128GB RAM to do the preprocessing necessary for CH.
 
My CH contractor was designed carefully to convert more than half of the US in 2 GB RAM, since I had a 32-bit workstation at the time. So you don't strictly need that much RAM, assuming you don't try to do the whole planet at once.