Hi! �@�@�@�@�@�@�@�@�@�@ I am try to download the ns-2.0. But I can not get it. �@�@�@�@�@�@�@�@�@�@ May I ask you mail ns-2.0�@ to me ?? �@�@�@�@�@�@�@�@�@�@ Thanks a lot!!! �@