Tero, > 2) Say how OPAQUE is encoded (start = max, end = min ???) > in point 2, I think it should be start = min, end = max, not other > way around start = min, end = max is the encoding for ANY. OPAQUE and ANY are not the same. OPAQUE means the value of a field cannot be determined, either because the protocol does not have it, or it is hidden by encryption or fragmentation. Charlie