Re: [Int-area] Re: [dhcwg] Discussion of dhc WGrecharteringforDHCPauthentication

(due to some technical problem, I missed int-area ML. so
please forgive me to send this message again.)

From: "Alper Yegin" <alper.yegin@yegin.org>
Subject: RE: [Int-area] Re: [dhcwg] Discussion of dhc WGrecharteringforDHCPauthentication
Date: Tue, 20 Nov 2007 00:26:23 +0200

> I need to let NTT folks answer that.

Which means Me , Alper ? :-p

> > From: Alexandru Petrescu [mailto:alexandru.petrescu@gmail.com]

> > But Alper - can you cite how NTT is doing it?  

http://www.ipv6style.jp/en/statistics/services/index.shtml

is a good reference what we're doing in Japan. Not only by NTT.

Talking about ISP service, please see 

http://www.v6.ntt.net/index_e.html

> > How many customers?  

We can not disclose without proper permission from company, sorry about that.

> > How many addresses delivered to customer?  
> > What kind of addresses are delivered?   

Please look at RFC4241.
Actually, we've modified a bit in addition to this model.
Basically, we've added RA onto the uplink between CPE and Access Concentrator
because of some operating system like Windows Vista uses the strong model
for its network design.

If I could have a chance, I am grad to tell about our architecture
in Vancouvor in some proper place.

> >What transition mechanism?  

No transition mechanism.

Also,  we've already commercialized "softwire" service named "OCNIPv6".
Basically, this is as same as we've discussed within SOFTWIRE WG of IETF.

> > I'm talking from a 2001 experience of actually picking up the phone and
> > calling NTT and asking them for IPv6 access.
> > 
> > All these things are important in order to really answer the question
> > raised above.
> > 
> > It may all be in that 'residential' keyword.  How much 'residential' is
> > a SOHO?  What does 'residential' really mean in Japanese?

SOHO as well as just an apartment or house.

One my house in Tokyo had been equipped with residential IPv6/v4 dual ADSL
service from my own company.

I believe that this is residential :-)

(Now I personally am using FTTH service from NTT as well with IPv6 
softwire commercial service on it.)

Best regards,

Shin Miyakawa
NTT Communications Corporation

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