TC> Sure, we have many IP-over-foo, but invariably foo is link layer. IP over IP? Also: We have a jillion MIME types. Why make a big deal out of this one? What is the damage that is of concern? d/ -- Dave Crocker <mailto:dcrocker@brandenburg.com> Brandenburg InternetWorking <http://www.brandenburg.com> Sunnyvale, CA USA <tel:+1.408.246.8253>, <fax:+1.866.358.5301>