yes, it is... especially when a network is too large to support wholesale network wide broadcasts.. (I.E. It's some sort of customized hybrid network)..
If you can hand out network wide IP addresses you have enough communication to ensure they do not get used twice. Otherwise this problem would have always existed. -- dnoyeB "Then said I, Wisdom [is] better than strength: nevertheless the poor man's wisdom [is] despised, and his words are not heard. " Ecclesiastes 9:16
·