There is a problem. The IETF can:
(a) Solve it.
(b) Pretend that it does not exist.
(c) Wait.
(d) Document the exisiting practice that people have been using since 2006.
Regards,
John Levine, johnl(_at_)taugh(_dot_)com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail.