nanog mailing list archives

Re: IPv4 address length technical design


From: Johnny Eriksson <bygg () cafax se>
Date: Thu, 4 Oct 2012 9:57:34 WET DST

Valdis.Kletnieks () vt edu wrote:

And the -10s and -20s were the major reason RFCs refer to octets
rather than bytes, as they had a rather slippery notion of "byte"
(anywhere from 6 to 9 bits, often multiple sizes used *in the
same program*).

Not quite correct.  Anywhere from 1 to 36 bits, and not spanning
a 36-bit word boundary.  Essentialy what is now known as a bit field.

--Johnny


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