Re: Cohen's paper on byte order

From: Andrew Swallow (am.swallow@eatspam.btinternet.com)
Date: 04/18/03


From: "Andrew Swallow" <am.swallow@eatspam.btinternet.com>
Date: Fri, 18 Apr 2003 16:33:43 +0000 (UTC)


"Roger Schlafly" <rogersc@mindspring.com> wrote in message
news:IHVna.1804$u8.753823866@twister2.starband.net...
> "Andrew Swallow" <am.swallow@eatspam.btinternet.com> wrote
> > There is a definition of Octet on page 48 of this set of official
> > definitions.
> >
>
http://www.ssd.rl.ac.uk/ccsdsp2/XML/XMLGSFCWorkShop200108/CCSDS-620.0-B-2.1.
> pdf
> > "Octet ::= BIT STRING (SIZE(8))"
>
> And then 9 pages later, it says:
>
> According to the CCSDS convention, the Most Significant Bit
> (MSB) of any octet shall be the first bit transmitted and it shall be
drawn
> in the most left justified position and designated as "Bit 0". The
> transmission sequence shall go from MSB to the Least Significant Bit
(LSB).
>
> This is just more evidence that usage of the term "octet" is confusing
> and incoherent. If an octet is defined as a bit string, then there is no
> MSB. There is a first bit and a last bit, but no MSB.
>
Now you are being silly.

Andrew Swallow



Relevant Pages

  • Re: Cohens paper on byte order
    ... of any octet shall be the first bit transmitted and it shall be drawn ... transmission sequence shall go from MSB to the Least Significant Bit. ...
    (sci.crypt)
  • Re: Cohens paper on byte order
    ... > and incoherent. ... If an octet is defined as a bit string, ... There is a first bit and a last bit, but no MSB. ...
    (sci.crypt)