Re: Why do we need to go with 128 bits address space ?

Behcet Sarikaya <sarikaya2012@gmail.com> Fri, 16 August 2019 14:25 UTC

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Reply-To: sarikaya@ieee.org
From: Behcet Sarikaya <sarikaya2012@gmail.com>
Date: Fri, 16 Aug 2019 09:24:57 -0500
Message-ID: <CAC8QAcfAL2PEeLUcKoiH6x_1LUE6883cW=ppWKfnz50j-hS5XQ@mail.gmail.com>
Subject: Re: Why do we need to go with 128 bits address space ?
To: Carsten Bormann <cabo@tzi.org>
Cc: IETF Discuss <ietf@ietf.org>, irtf-discuss@irtf.org, 6man <6man@ietf.org>
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On Fri, Aug 16, 2019 at 1:00 AM Carsten Bormann <cabo@tzi.org> wrote:

>
> > 64 bits
>
> How quaint.  Everybody knows the right answer is 53.
>
> (1) 53 dec is 35 hex.  Wins right away.
>
> (2) 53 bits is all that can be expressed by a JavaScript integer
> [RFC7493], and routers are sure migrating from ASICs to JavaScript.
>
> (3) the 32-bit Internet is not going away soon.  We all know a good
> compromise between 32 and 64 is 48.  Let’s add in 10 % for good measure,
> making it 52.8, and round up to the next bit, making it 53.
>
> Grüße, Carsten
>
> (Not sure that invoking ATM entirely works like Godwin’s law, but here’s
> my attempt to kill a useless thread.)
>
>
+1
It is useless thread. It persists because of hot summers we are having.

Behcet