Flexibility Clash: CH typically pre-calculates optimal paths. Supporting OsmAnd's 10+ routing parameters (leading to over 1024 combinations per profile!) would be impossible with standard CH.
It is the most detail Miliband has given yet on his department's approach to factoring in the impact of data centres.
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Crucially, this distribution of border points is agnostic of routing speed profiles. It’s based only on whether a road is passable or not. This means the same set of clusters and border points can be used for all car routing profiles (default, shortest, fuel-efficient) and all bicycle profiles (default, prefer flat terrain, etc.). Only the travel time/cost values of the shortcuts between these points change based on the profile. This is a massive factor in keeping storage down – map data only increased by about 0.5% per profile to store this HH-Routing structure!
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