Re: [Anima] IPIP in draft-ietf-anima-bootstrapping-keyinfra-07

Brian E Carpenter <brian.e.carpenter@gmail.com> Wed, 12 July 2017 02:04 UTC

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To: Michael Richardson <mcr+ietf@sandelman.ca>
Cc: Anima WG <anima@ietf.org>
References: <a933b9fc-bc89-f86d-c87a-ac6d5c453724@gmail.com> <15780.1499820455@dooku.sandelman.ca>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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Date: Wed, 12 Jul 2017 14:04:02 +1200
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Subject: Re: [Anima] IPIP in draft-ietf-anima-bootstrapping-keyinfra-07
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On 12/07/2017 12:47, Michael Richardson wrote:
> 
> Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
>     > But the third locator sent by the Registrar indicates a meaningless
>     > link-local address, because it could come from many hops away. At first
>     > I thought this was a confusion with the previous (proxy-to-pledge)
>     > case, where all addresses must be link-local. But no: this text is just
>     > confused, I think:
> 
> This LL address is the Lr from my email of three minutes ago:
> 
> mcr> Instead, I have two suggestions, not entirely mutually exclusive:
> mcr>  1) the Registrar says, "I accept IPIP on Address Ar, use Lr for
> mcr>  connections"
> mcr>  2) we make Lr = well known Link-Local anycast address
> 
> I included Lr in the protocol, even if we might decide that we want to make
> it well-known.

As I just said, I don't understand why this address is even needed.

   Brian