In message <12647.976734825@coconut.itojun.org>, itojun@iijlab.net writes:
>	I believe it is available under BSD license from BSDI (BSD/OS).

Yes.

>	maybe avaialble at ftp server, maybe not.  the best way is to look at
>	source code CD for BSD/OS (high percentage of files are under
>	BSD license, redistributable).

>	also, openbsd has it already in the tree.

Yup.  But that's just code, not a spec, and it's harder to evaluate the
utility and design from skimming code than from reading a spec.

-s