In article <Pine.SUN.4.10.9910142002090.547-100000@virgin.relcom.eu.net>, "Alex P. Rudnev" <alex@virgin.relcom.eu.net> wrote:

...

4- what is the maximum distance between any two points in a autonm. system? 40,000 Km / 2 = 20,000 Km. -:)

You assume that all packets travel a great circle distance, which is not the case. Route miles can be much greater and can involve trips to geosynchronous orbit... -- Shields.