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Re: [Roll] capability vs. configuration

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 29 May 2019 14:24 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Date: Wed, 29 May 2019 10:24:12 -0400
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Subject: Re: [Roll] capability vs. configuration
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Pascal Thubert (pthubert) <pthubert@cisco.com> wrote:
    > Which means that if we have a real flag day then we do not need the
    > config flag in the config option.

exactly. One might have to visit every single node (truck roll) and tweak
each system.   So I'd write it:

    } The 8138-enable-option in the configuaration option prevents Flag Days
    } that might otherwise include truck rolls.

    > What they can do is reflash over the air and then restart the devices
    > asynchronously, keeping the network globally alive.

    > This is what triggered the need for the configuration flag. I think the
    > same applies to useofrplinfo, which also justifies the config bit
    > there.

    > But then "flag day" should not be used in either spec should it?

Yes, the config option avoids the need for a Flag Day.




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

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