Re: [v6ops] draft-ietf-v6ops-6to4-to-historic WGLC

Mohacsi Janos <mohacsi@niif.hu> Wed, 20 April 2011 08:57 UTC

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Date: Wed, 20 Apr 2011 10:57:30 +0200
From: Mohacsi Janos <mohacsi@niif.hu>
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To: "Gunter Van de Velde (gvandeve)" <gvandeve@cisco.com>
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Cc: v6ops@ietf.org
Subject: Re: [v6ops] draft-ietf-v6ops-6to4-to-historic WGLC
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On Wed, 20 Apr 2011, Gunter Van de Velde (gvandeve) wrote:

> For experiments, why not use IPv6 over IPsec, or manual tunnels or DMVPN or....
> All managed solutions, that work pretty well and none have the downside negative side-impacts of 6to4.
>

Dear Gunter,
 	All the methods, you mentioned is requires some form of management 
on providers side.
 	Can you list the devices/softwares supporting the methods you have 
mentioned?
 	Best Regards,
 			Janos Mohacsi



> G/
>
> -----Original Message-----
> From: Mohacsi Janos [mailto:mohacsi@niif.hu]
> Sent: 20 April 2011 10:36
> To: Gunter Van de Velde (gvandeve)
> Cc: Philip Homburg; Roger J?rgensen; v6ops@ietf.org
> Subject: Re: [v6ops] draft-ietf-v6ops-6to4-to-historic WGLC
>
>
>
>
> On Wed, 20 Apr 2011, Gunter Van de Velde (gvandeve) wrote:
>
>>
>> That depends on your role. From ISP perspective, 6to4 doesn't make a lot of
>> sense. But for end users, sometimes a tunnel is all you can get. Sometimes,
>> tunnels offer even a more complete IPv6 experience than native.
>>
>> GV> I guess you are speaking for the simple home-user. In that case what
>> limits a user from obtaining a managed commercial service for IPv6? That
>> way he gets at least SLA like commitments from his favourite services
>> provider.
>>
>> GV> If its an enterprise there are better solutions out there that
>> deliver managed tunneling services.. pick your preferred vendor and they
>> will give you some options.
>
>
> In reality the situation slightly worse, let me cite our example:
>
> 1. NIIF/Hungarnet started to provide native IPv6 DSL service around 2008 -
> we wanted to do it earlier, but due to a bug in DSLAM equipment stopped us
> to provide it. Our LNS equipment was capable of handling DHCPv6-PD. We had
> to wait the telecom operator (1.5 years) to fix the problem. As an interim
> solution we started experimenting with 6to4 and Teredo. It was working
> reasonably well.
>
> 2. After fixing the DSLAM bug in the provider network and deployment of
> native IPv6 DSL service we considered switching 6to4 relay off. But there
> was a demand from administrators of our users (Universities, Research
> Institutes, Libraries) to let it run for further experimenting: There is
> only one other provider started provide native IPv6 DSL. The two big DSL
> player in Hungary is still testing and piloting their (for at least another
> year) IPv6 DSL services.
>
> In my opinion tend to be similar to Jordi's. 6to4 is good for
> experimenting with IPv6. If you need IPv6 service use native solution. But
> if there no solution on the market what to do?
>
> According to our policy our 6to4 relay is only for experimenting with IPv6
> technology..... What about 6to4 relabeled to experimental?
>
> Best Regards,
> 		Janos Mohacsi
>
>
>
>>
>> G/
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>>
>