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Re: [irtf-discuss] Why do we need to go with 128 bits address space ?

Brian Carpenter <brian.e.carpenter@gmail.com> Thu, 15 August 2019 10:31 UTC

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From: Brian Carpenter <brian.e.carpenter@gmail.com>
Date: Thu, 15 Aug 2019 22:30:49 +1200
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To: Roland Bless <roland.bless@kit.edu>
Cc: shyam bandyopadhyay <shyamb66@gmail.com>, IETF discussion list <ietf@ietf.org>, irtf-discuss@irtf.org, 6man@ietf.org
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Subject: Re: [irtf-discuss] Why do we need to go with 128 bits address space ?
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e) 64 isn't enough to allow lots of bits for topology plus lots of bits for
privacy
f) in any case we can compress the headers in low power, low bandwidth
scenarios
g) it's 25 years too late for this discussion even if we were wrong

Regards
    Brian
    (via tiny screen & keyboard)

On Thu, 15 Aug 2019, 21:27 Roland Bless, <roland.bless@kit.edu> wrote:

> Hi,
>
> a) the address space was designed of a lifetime of 50-100 years.
> b) we see how hard it is to change the core protocol
> c) given the increasing number of virtual machines and IoT devices 64
> bit isn't sufficient, see also the discussion of new MAC address lengths
> d) there is no problem that needs to be solved here.
>
> Regards
>  Roland
>
> On 15.08.19 at 09:33 shyam bandyopadhyay wrote:
> > To:
> > The Entire IETF community
> >
> >     Sub: Why do we need to go with 128 bits address space if
> >          whatever is been trying to achieve with the existing
> >          approach of IPv6, can be achieved by 64 bits address
> >          space as well?
> >
>
>

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