nanog mailing list archives

Re: London incidents


From: Robert E.Seastrom <rs () seastrom com>
Date: Mon, 11 Jul 2005 09:21:24 -0400



"Steven M. Bellovin" <smb () cs columbia edu> writes:

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....

Yes, but nobody ever wrote a song about the TOS bits in Internet
Protocol (this song dates to 1980):

http://www.poppyfields.net/filks/00182.html

                                        ---Rob



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