Re: [Fwd: I-D Action: draft-carpenter-6man-why64-00.txt]

EUI-64 came first; it's used by Firewire and there was some expectation
that Firewire would become very important, or in general that EUI-64
would come to replace EUI-48.

But maybe someone who has Christian's book could send a paraphrase
of his explanation.

Regards
   Brian

On 09/01/2014 05:19, Alexandru Petrescu wrote:
> Le 06/01/2014 21:51, Mark ZZZ Smith a écrit :
>> Hi,
>>
>> I've had a quick read through, I think this document would be quite
>> useful.
>>
>> One thing I think would be good to capture is a bit of the
>> history/rational behind the choice of 64 IID.
>>
>> I became aware of that history via Christian Huitema's "IPv6: The
>> New Internet Protocol (2nd Edition)" book, I think it would be good
>> if that history was a bit more widely available to explain and
>> justify the choice.
> 
> Hi,
> 
> I dont have the book handy, but I would be interested to learn about how
> this 64bit length came to life.  I remember some discussions of an 'h'
> factor.
> 
> I suppose IEEE's EUI-64 design history is related, maybe because
> triggered by same fear of address space depletion (48bit identifiers);
> knowing that one may see how would an EUI-128 influence in any way IPv6
> addressing.
> 
> Alex
> 
>>
>> Regards, Mark.
>>
>>
>> ----- Original Message -----
>>> From: Brian E Carpenter <brian.e.carpenter@gmail.com> To: 6man
>>> <ipv6@ietf.org> Cc: Sent: Monday, 6 January 2014 9:07 AM Subject:
>>> [Fwd: I-D Action: draft-carpenter-6man-why64-00.txt]
>>>
>>> Hi,
>>>
>>> A group of us put this together following a discussion some weeks
>>> ago on the v6ops list about the 64-bit boundary in IPv6 addresses.
>>>  Discussion belongs in 6man, please.
>>>
>>> This draft is incomplete but we'd welcome input. Let me underline
>>> an important comment in the introduction:
>>>
>>> _The purpose of this document is to analyse the issues around this
>>>  question.  We make no proposal for change, but we do analyse the
>>> possible effects of a change._
>>>
>>>
>>> Brian + co-authors
>>>
>>> -------- Original Message -------- Subject: I-D Action:
>>> draft-carpenter-6man-why64-00.txt Date: Sun, 05 Jan 2014 13:59:17
>>> -0800 From: internet-drafts@ietf.org Reply-To:
>>> internet-drafts@ietf.org To: i-d-announce@ietf.org
>>>
>>>
>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>> directories.
>>>
>>>
>>> Title           : Analysis of the 64-bit Boundary in IPv6
>>> Addressing Authors         : Brian Carpenter Tim Chown Fernando
>>> Gont Sheng Jiang Alexandru Petrescu Andrew Yourtchenko Filename :
>>> draft-carpenter-6man-why64-00.txt Pages           : 14 Date :
>>> 2014-01-05
>>>
>>> Abstract: The IPv6 unicast addressing format includes a separation
>>> between the prefix used to route packets to a subnet and the
>>> interface identifier used to specify a given interface connected
>>> to that subnet. Historically the interface identifier has been
>>> defined as 64 bits long, leaving 64 bits for the prefix.  This
>>> document discusses the reasons for this fixed boundary and the
>>> issues involved in treating it as a variable boundary.
>>>
>>>
>>> The IETF datatracker status page for this draft is:
>>> https://datatracker.ietf.org/doc/draft-carpenter-6man-why64/
>>>
>>> There's also a htmlized version available at:
>>> http://tools.ietf.org/html/draft-carpenter-6man-why64-00
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> --------------------------------------------------------------------
>>>
>>>
>>>
>>>
>>>
> IETF IPv6 working group mailing list
>>> ipv6@ietf.org Administrative Requests:
>>> https://www.ietf.org/mailman/listinfo/ipv6
>>> --------------------------------------------------------------------
>>>
>>
>>>
>>>
>>>
>>>
> --------------------------------------------------------------------
>> IETF IPv6 working group mailing list ipv6@ietf.org Administrative
>> Requests: https://www.ietf.org/mailman/listinfo/ipv6
>> --------------------------------------------------------------------
>>
>>
> 
> 
> --------------------------------------------------------------------
> IETF IPv6 working group mailing list
> ipv6@ietf.org
> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
> --------------------------------------------------------------------
> 