Re: Extending a /64

Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com> Thu, 12 November 2020 12:29 UTC

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To: ipv6@ietf.org
Subject: Re: Extending a /64
From: Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com>
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Date: Thu, 12 Nov 2020 13:29:40 +0100
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>> So just like ND has NUD to verify that a neighbor is still there, we 
>> need something to verify that prefix is still there. Ideally we can 
>> extend that to SLAAC and DHCP PD and have a model where changes in an 
>> upstream link can propagate downstream realiably.
>
>If we do PIO-X you can send RS if you're unsure if other end still is 
>there. If you get same PIO-X as last time, that's confirmation.

Yes, we can write for example that a user of a PIO-X SHOULD send an RS
every minute and verify that the received RAs still contain the prefix.

That would be perfectly fine with me.