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Re: [Detnet] WG adoption poll draft-sdt-detnet-security-01

Rodney Cummings <rodney.cummings@ni.com> Thu, 14 September 2017 20:45 UTC

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From: Rodney Cummings <rodney.cummings@ni.com>
To: DetNet WG <detnet@ietf.org>
CC: DetNet Chairs <detnet-chairs@ietf.org>
Thread-Topic: [Detnet] WG adoption poll draft-sdt-detnet-security-01
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Date: Thu, 14 Sep 2017 20:45:31 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/detnet/vgkJKCPlO-y5Cvjh6Gry5eqkpeA>
Subject: Re: [Detnet] WG adoption poll draft-sdt-detnet-security-01
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Yes/support.

In a future draft, it would be helpful to describe the impact of a data-plane delay attack on the end application, especially uses cases for real-time control (e.g. industrial automation, automotive). For example, if the network promises a bounded latency of 2ms for a flow, what happens when my destination receives it with 5ms latency? The control loop processes data that is "old" in the real world, which can potentially threaten safety. One mitigation is to timestamp the data at the source, and timestamp again at the destination, and if the resulting latency exceeds the promised bound, discard that data and warn the operator (and/or enter a fail-safe mode).

> -----Original Message-----
> From: detnet [mailto:detnet-bounces@ietf.org] On Behalf Of Lou Berger
> Sent: Tuesday, September 12, 2017 7:14 AM
> To: DetNet WG <detnet@ietf.org>
> Cc: DetNet Chairs <detnet-chairs@ietf.org>
> Subject: [Detnet] WG adoption poll draft-sdt-detnet-security-01
> 
> All,
> 
> This is start of a two week poll on making draft-sdt-detnet-security-01
> a working group document. Please send email to the list indicating
> "yes/support" or "no/do not support".  If indicating no, please state
> your reservations with the document.  If yes, please also feel free to
> provide comments you'd like to see addressed once the document is a WG
> document.
> 
> The poll ends Sep 26.
> 
> Thanks,
> 
> Lou (and Pat)
> 
> _______________________________________________
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> detnet@ietf.org
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