Re: London incidents

["Steven M. Bellovin" <smb () cs columbia edu>]

In message <87mzotpkm7.fsf () valhalla seastrom com>, "Robert E.Seastrom" writes:
> Brad Knowles <brad () stop mail-abuse org> writes:
>
> >      There were lower levels of priority that you could also use,
> > but "flash" was the top one that I heard about.
>
> The four buttons on the "1633" row of an AUTOVON telephone are labeled
> P, I, F, and FO for Priority, Immediate, Flash, and Flash-Override.
> The fifth (normal) level is of course routine, with no priority code
> attached.

And those levels appear as the TOS bits in RFC 791....

                --Steven M. Bellovin, http://www.cs.columbia.edu/~smb