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Re: [LOOPS] Packet sequence numbers

"Morten V. Pedersen" <morten@steinwurf.com> Tue, 22 October 2019 10:17 UTC

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To: Carsten Bormann <cabo@tzi.org>, Michael Welzl <michawe@ifi.uio.no>
Cc: loops@ietf.org
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From: "Morten V. Pedersen" <morten@steinwurf.com>
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Date: Tue, 22 Oct 2019 12:17:34 +0200
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Subject: Re: [LOOPS] Packet sequence numbers
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Hi Carsten,
That's interesting - such a number is also used in some FEC schemes e.g. 
RLNC to seed the random number generator (used to create coding 
coefficients). With the same purpose of saving bytes on the wire.

- M

On 10/22/19 11:23 AM, Carsten Bormann wrote:
> I seem to remember that one other advantage of a strictly monotonous sequence number is that this makes it directly suitable as input for a nonce for the AEAD encryption/authentication, saving bytes by not needing to send one separately.
>
> Grüße, Carsten
>

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