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RE: [v6ops] New Version Notification for draft-olopade-6man-slaac-signaling-00.txt

"Olopade, Olorunloba" <Loba.Olopade@virginmedia.co.uk> Tue, 20 October 2020 23:19 UTC

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From: "Olopade, Olorunloba" <Loba.Olopade@virginmedia.co.uk>
To: Philip Homburg <pch-v6ops-9@u-1.phicoh.com>, "v6ops@ietf.org" <v6ops@ietf.org>
CC: 6man <ipv6@ietf.org>
Subject: RE: [v6ops] New Version Notification for draft-olopade-6man-slaac-signaling-00.txt
Thread-Topic: [v6ops] New Version Notification for draft-olopade-6man-slaac-signaling-00.txt
Thread-Index: AQHWpu3EqPfc7oeAUkOb/UoGeTcid6mhIDaA
Date: Tue, 20 Oct 2020 23:18:54 +0000
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Hello Philip,

Not sure which mature solutions you are referring to. Are these standardised?

In my opinion, to comprehensively deal with robustness issue with SLAAC, we need to make changes to both hosts and routers. 


-----Original Message-----
From: pch-b9D3CB0F5@u-1.phicoh.com [mailto:pch-b9D3CB0F5@u-1.phicoh.com] On Behalf Of Philip Homburg
Sent: 20 October 2020 15:31
To: v6ops@ietf.org
Cc: Olopade, Olorunloba <Loba.Olopade@virginmedia.co.uk>; 6man <ipv6@ietf.org>
Subject: Re: [v6ops] New Version Notification for draft-olopade-6man-slaac-signaling-00.txt 

In your letter dated Mon, 19 Oct 2020 18:53:56 +0000 you wrote:
>I'm proposing an alternate way to address the SLAAC flash renumbering 
>issue, a nd I've been advised to put this in a draft. This is the 
>initial draft, and de finitely need more work, but will like to know if 
>people think this approach i s worth considering.

The mechanism proposed in this draft could work if carefully specified to deal with edge cases (for example "poor man's multihoming").

However, for this to work changes are required to both routers and hosts.
If the router is a CPE, then we already have quite mature solutions that don't require changes to hosts.

This would do nothing for hosts behind old CPEs. 

This draft could provide a solution of hosts that get moved to a different VLAN. However, the need to update both hosts and router makes it more attractive to find a solution that only requires hosts to be changed.
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