Re: draft-chen-v6ops-nat64-experience-02

Aleksi Suhonen <Aleksi.Suhonen@tut.fi> Wed, 18 July 2012 01:17 UTC

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Date: Wed, 18 Jul 2012 04:17:39 +0300
From: Aleksi Suhonen <Aleksi.Suhonen@tut.fi>
Organization: Tampere University of Technology / Department of Communications Engineering
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To: Michael Richardson <mcr+ietf@sandelman.ca>
Subject: Re: draft-chen-v6ops-nat64-experience-02
References: <4FF696AA.3050508@tut.fi> <23986.1341586765@marajade.sandelman.ca>
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Hi,

Sorry for late response. It's the summer holiday season here. O:-)

On 07/06/2012 05:59 PM, Michael Richardson wrote:
>
>>>>>> "Aleksi" == Aleksi Suhonen<Aleksi.Suhonen@tut.fi>  writes:
>      Aleksi>  Within an hour, all the IPv4 addresses in the pool for our
>      Aleksi>  NAT64 were registered to this one device.
>
> Do I understand that you attempt to provide a single IPv4 address 1:1
> with a an internal IPv6 address? (NAT vs NAPT)

Yes. Stateless NAT64. http://tools.ietf.org/html/rfc6144#section-3.2.1

> Can you tell me what your expiry time is for reclaiming the IPv4 address?

2 hours. However, anything above 5 minutes will yield the same result on 
today's Internet. And 5 minutes is too short.

> Would IPv6 ping'ing the internal device help?

Hmm? Help with what? I'm not sure I understand you.

-- 
	Aleksi Suhonen, Researcher
	Department of Communications Engineering
	Tampere University of Technology