Re: A common problem with SLAAC in "renumbering" scenarios

Nick Hilliard <nick@foobar.org> Thu, 14 February 2019 12:10 UTC

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Subject: Re: A common problem with SLAAC in "renumbering" scenarios
To: Jan Zorz - Go6 <jan@go6.si>
Cc: ipv6@ietf.org
References: <60fabe4b-fd76-4b35-08d3-09adce43dd71@si6networks.com> <alpine.DEB.2.20.1902041330531.23912@uplift.swm.pp.se> <46B8DB92-DC81-4242-9780-0D00FB6BDB7A@employees.org> <1c7ebabb-d6f6-d877-d4aa-d6c0fc7d5c60@go6.si> <6278.1549471453@dooku.sandelman.ca> <CAO42Z2xdKtLJV11KXELBKca6CWn=B6Avz6bO_94kFFXaKiZ-pQ@mail.gmail.com> <4602.1549908472@localhost> <CAO42Z2w1swQNuwnrOyTCEMXt0NSyrBx7Ww3kUN-7dfEV=fvk3A@mail.gmail.com> <c16e0e1f-1ed2-ad88-80f1-070bdd8bccca@go6.si> <1F2C2AEE-1C7D-481C-BBA7-7E507312C53A@employees.org> <e56a6e5b-648d-200e-c35d-97f15a31fb2a@asgard.org> <CAO42Z2zh7fKAgQJq9aLCTiFoSSsTeGM=pK3gXitg+gcxH=9fhQ@mail.gmail.com> <d38857c2-6e92-91d6-bb5d-d3eeeb61276a@gmail.com> <CAO42Z2yb47OyXk__Sz-kO00pfcBJgLAhff5DF=mpAddR0iCnAA@mail.gmail.com> <2612280f-195a-ae7a-b3b1-9022d9282fa7@foobar.org> <56F813F4-C512-40A9-8A68-1090C76A80F6@consulintel.es> <97249859-2a3d-75f7-6bb8-6b9563c99d08@foobar.org> <eb64fe1b-132d-b2f5-3511-4dcb557fc94a@go6.si>
From: Nick Hilliard <nick@foobar.org>
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Date: Thu, 14 Feb 2019 12:10:32 +0000
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Jan Zorz - Go6 wrote on 14/02/2019 11:55:
> So, at the end of a day, it may be in operators interest that we somehow 
> fix the whole spaghetti chain between ISP and customer and give the 
> advice how to make all 3 points in the network more robust and better 
> cooperating between each other when it comes to IPv6...

Pretty much.  The IETF can't demand that service providers change their 
design models.  What we can do, however, is to document known failures 
modes for common design choices and work with the various stakeholders 
to try to get these addressed.

Nick