Re: [v6ops] new draft: draft-colitti-v6ops-host-addr-availability

Brian E Carpenter <brian.e.carpenter@gmail.com> Tue, 07 July 2015 21:08 UTC

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Date: Wed, 08 Jul 2015 09:08:23 +1200
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: "Fred Baker (fred)" <fred@cisco.com>
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Subject: Re: [v6ops] new draft: draft-colitti-v6ops-host-addr-availability
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On 08/07/2015 08:48, Fred Baker (fred) wrote:
> 
>> On Jul 7, 2015, at 1:40 PM, Brian E Carpenter <brian.e.carpenter@gmail.com>; wrote:
>>
>> On 08/07/2015 04:27, Hemant Singh (shemant) wrote:
>> ...
>>> 4. Section 7.  SLAAC as defined in RFC4862 supports only one IPv6 global address if one prefix is advertised in the RA to the host.
>>
>> It does? I don't see anything in 4862 that prevents a host from generating N separate
>> IIDs and performing SLAAC N times for the same prefix. Now we are getting rid
>> of Modified EUI-64 as the default IID, that becomes an obvious thing to do.
> 
> Well, yes, but the present algorithm starts from the MAC address on an interface. There's only one such MAC address on any given interface. To do what you said, we need to (see a certain draft) change that algorithm.

Agreed. But IMHO we don't need to change 4862, so Hemant's comment is not quite right.

   Brian