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Re: [v6ops] Fwd: New Version Notification for draft-collink-v6ops-ent64pd-01.txt

Gert Doering <gert@space.net> Fri, 16 December 2022 08:12 UTC

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Date: Fri, 16 Dec 2022 09:12:27 +0100
From: Gert Doering <gert@space.net>
To: Jen Linkova <furry13@gmail.com>
Cc: Ole Troan <otroan@employees.org>, Gert Doering <gert@space.net>, V6 Ops List <v6ops@ietf.org>, draft-collink-v6ops-ent64pd@ietf.org, xiaom@google.com
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Subject: Re: [v6ops] Fwd: New Version Notification for draft-collink-v6ops-ent64pd-01.txt
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Hi,

On Fri, Dec 16, 2022 at 12:24:00PM +1100, Jen Linkova wrote:
> So from the network perspective the prefix length does not really
> matter. As long as your address plan allows that, there is no
> difference between delegating /128 or /64 from the network scalability
> perspective.
> But would make a huge difference to the host. So why not?
> In my case, most of the endpoints connected to my network are hosts
> which are using SLAAC. But some are CPEs which are getting /56 via PD.
> Does it matter? Not much.

It makes a huge difference to the person doing the address plan - "what
block size do I need to reserve where?" - people do not want to see
each individual subnet assignment being routed without aggregation.

CPEs go to dial-in pools, regular hosts go to wired/wifi segments with
very different rules on "who gets to connect, and what are they allowed
to do here".

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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