>> If relays were homogeneous distributed among the globe, two random relays will be 1/4 earth circumference apart on average. > > That assumption is a bit skewed. Most of the time fast relay will be > selected, and they aren't quite randomly distributed. (Also bear in mind > that one half of the earth surface is almost entirely water and doesn't > take part in equidistribution.) I know, the "if" is there for a reason ;) Also even homogenous distribution on a halve sphere makes delays position-dependent, and I really do not want to calculate that. >> This means that a round trip will have a speed of light delay of 12 hops * 10 000km each / 300 000 km/s speed of light. > > ...compensated by the fact that very few cables do not contain solid > insulation or light guides, and thus slow the signal down to 200000km/h. "very few cables" - I really like this choice of words. Also increasing delay: cables between nodes tend not to be great circle sections and therefore longer than my estimate. regards, Arian
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