On Sat, Dec 06, 2008 at 09:33:36PM +0900, Masataka Ohta <mohta@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote a message of 16 lines which said: > The problem to represent a host with raw addresses is that they > can't represent a host with multiple addresses, OK > supporting of which is useful and often required, for example, for > DNS and SMTP clients. "Required"? Neither DNS nor SMTP requires that. I'm not even sure it is good practice. _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf