Re: [v4tov6transition] draft-arkko-ipv6-transition-guidelines WGLC

["Yiu L. Lee" <yiu_lee@cable.comcast.com>]

<satoru.matsushima@tm.softbank.co.jp>
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Hi Satoru,

I will try to capture those requirements to the PS draft. If you can provide
a use case draft of your design to share amongst IETF, this will be much
appreciated.

Thanks,
Yiu


On 9/20/10 3:42 AM, "Satoru Matsushima" <satoru.matsushima@gmail.com> wrote:

> Yiu, Tina, and all,
> 
> I'm sorry for the delay.
> Here is the summary of press release contents from Japanese ISPs. I hope that
> it could be helpful
> for tomorrow webex discussion.
> 
> o They had co-worked to find what most efficient solution for IPv4 service
> over native IPv6 network.
> o The background is that they are going to provide IPv6 service from 2011, but
> they also need to
>    provide IPv4 service as well.
> o Significant requirements for the solution are:
> 
>   1. Sharing a IPv4 address among many of customers with highest cost
> efficiency
>      -> The analogy of SAM/4rd is as same as 6rd, it could be expected that
> high cost efficiency with
>         stateless operation. NAT state only exist on the CPE side.
> 
>   2. As much as simple provisioning and configuration
>      -> CPE can automatically configure its IPv4 address from delegated IPv6
> prefix.
> 
>   3. Optimized routing path for IPv4 service on the native IPv6 network (need
> mesh capability)
>      -> SAM/4rd allow CPE to CPE packet flow on optimized routing path in the
> IPv6 network.
> 
> Since 4rd (IPv4 residual deployment), which is a part of IPv4 over IPv6
> scenario of SAM
> (draft-despres-softwire-sam) satisfy these requirements, the ISPs intent to
> adopt SAM/4rd 
> for their IPv4 solution.
> 
> 
> Best regards,
> 
> --
> Satoru Matsushima
> 
> 
> On 2010/09/02, at 15:21, <satoru.matsushima@tm.softbank.co.jp>
> <satoru.matsushima@tm.softbank.co.jp> wrote:
> 
>> Hi Yiu,
>> 
>>> Hi Satoru,
>>> 
>>> I assume most people on the list don't read Japanese.
>> 
>> Right.
>> 
>>> If you can summarize the press release to us, it will be much appreciated.
>> 
>> Yes, I'll summarize it in English.
>> 
>> 
>> Best regards,
>> 
>> 
>> --
>> Satoru Matsushima
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>