Re: [6tisch] draft-tiloca-6tisch-robust-scheduling-01 --- rekeying permutation key

Michael Richardson <mcr+ietf@sandelman.ca> Fri, 05 April 2019 18:22 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: 6tisch <6tisch@ietf.org>
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Date: Fri, 05 Apr 2019 14:22:54 -0400
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Subject: Re: [6tisch] draft-tiloca-6tisch-robust-scheduling-01 --- rekeying permutation key
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Mališa Vučinić <malisa.vucinic@inria.fr> wrote:
    > As a reminder, in minimal-security we resorted to the current rekeying
    > mechanism and not the one using the exact timestamp in the future when
    > the whole network switches to new keys in order to avoid having to know
    > the network notion of time at the JRC.

Also so that the many unicast conversations needed to do the rekey can be spread
across a large amount of time, letting the JRC reach out to even very sleepy
nodes.

--
Michael Richardson <mcr+IETF@sandelman.ca>ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-