Re: Extending a /64

Brian E Carpenter <brian.e.carpenter@gmail.com> Sun, 15 November 2020 21:49 UTC

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Subject: Re: Extending a /64
To: Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com>, ipv6@ietf.org
References: <202011151920.0AFJKN9U003337@mail2.mwassocs.co.uk> <3d26bffe-b6c9-4ed7-6135-a515f9902fd7@gmail.com> <m1keOTi-0000EGC@stereo.hq.phicoh.net> <CAO42Z2wZkXryhw1u5WAFdtCvXHyyz1zeM22FP_gRxjurjsG-Jw@mail.gmail.com> <5f505585-1328-d942-2ec2-a2d96b7b4779@foobar.org> <m1kePdR-0000I6C@stereo.hq.phicoh.net>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Message-ID: <29a0dcf6-93fd-cb2c-948e-2018dfd27057@gmail.com>
Date: Mon, 16 Nov 2020 10:49:39 +1300
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On 16-Nov-20 10:32, Philip Homburg wrote:
>> /39 is seems very little for an entire sector of human enterprise. Why 
>> wouldn't we allocate more?  Or at least create an allocation that had 
>> plenty of room for expansion.
> 
> Not a /39. It seems that there is an existing 39-bit identifier for planes.
> Somebody has decided that it would be a good idea to include that into the
> prefix.

Sigh. Somebody who has no idea how Internet routing works, apparently.

> So if you want to give each plane a /56 then you need a /17 prefix.

No, you need to learn how Internet routing works.

     Brian