Robert Withers wrote: > In bytes > 48 = 3 X 16bit port redundency. > 50 = global address > 98 = 48bit + 50bit slice > 294 = 3 X 98bit packet redundancy > 320 = 294bit + 26bit sanguinity mysticly measured, I'm afraid triple redundancy makes effective address space size smaller (one third of the original). Anyway, if you want to have unrealistically large IP address space, feel free to use IPv6. Masataka Ohta