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RE: But are we talking IPv6 only? That's how I read the draft. (Re: Some suggestions for draft-ietf-v6ops-cpe-simple-security-03)

"Templin, Fred L" <Fred.L.Templin@boeing.com> Thu, 28 August 2008 20:14 UTC

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Subject: RE: But are we talking IPv6 only? That's how I read the draft. (Re: Some suggestions for draft-ietf-v6ops-cpe-simple-security-03)
Date: Thu, 28 Aug 2008 13:05:49 -0700
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Thread-Topic: But are we talking IPv6 only? That's how I read the draft. (Re: Some suggestions for draft-ietf-v6ops-cpe-simple-security-03)
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References: <20080824204553.08131c65.ipng@69706e6720323030352d30312d31340a.nosense.org> <48B1CCE8.1070305@gmail.com> <01af01c9065b$b4602440$c2f0200a@cisco.com> <48B23391.1090503@gmail.com> <01cd01c90672$a57c8790$c2f0200a@cisco.com> <48B31DA3.6080001@gmail.com> <07d201c906f7$50a85e30$c2f0200a@cisco.com> <48B32B43.5010103@gmail.com> <084c01c906fe$f9bf1840$c2f0200a@cisco.com> <48B33430.40704@gmail.com> <A31EB889-2BD9-4283-A408-AB6DCC1D568A@suspicious.org> <08be01c90712$d876cd40$c2f0200a@cisco.com> <20080827194713.23271bd1.ipng@69706e6720323030352d30312d31340a.nosense.org> <CD947C45-58F7-47F1-807F-A276490B1E39@apple.com> <0e6001c908a2$b8fcf700$c2f0200a@cisco.com> <F0E4B018-AA5E-4344-A40B-3F6D974B7EA1@apple.com> <001b01c908ac$2b7d5140$c2f0200a@cisco.com> <39C363776A4E8C4A94691D2BD9D1C9A104E93359@XCH-NW-7V2.nw.nos.boeing.com> <05ad01c90922$854aa710$c2f0200a@cisco.com> <FD70B36F-FCD4-4BC4-9368-C0BEE1B162F0@apple.com>
From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
To: james woodyatt <jhw@apple.com>, IPv6 Operations <v6ops@ops.ietf.org>
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>-----Original Message-----
>From: james woodyatt [mailto:jhw@apple.com] 
>Sent: Thursday, August 28, 2008 12:32 PM
>To: IPv6 Operations
>Subject: Re: But are we talking IPv6 only? That's how I read 
>the draft. (Re: Some suggestions for 
>draft-ietf-v6ops-cpe-simple-security-03)
>
>On Aug 28, 2008, at 08:27, Dan Wing wrote:
>>
>> But the assumed model(s) need to be explained, in the draft,
>> so that it is clear how those models apply to dual-stack-lite
>> and to IVI/NAT64/NAT-PT -- all of which change the assumptions
>> (due to lack of publicly-routable v4 address for some of
>> those solutions).  Or, alternatively, if it is this draft's
>> intent that its model for v6-in-v4 is only intended to work
>> if the CPE has a publicly-routable v4 address.
>
>I'll expand on the relevant models for IPv6 transition mechanisms and  
>dual-stack service providers in the next revision of the draft.
>
>The minimum set of models I think we should consider are..
>
>A) CPE is a router connected to a native IPv6 service provider with  
>prefix delegation.  Note: this includes dual-stack-lite CPE, as  
>currently proposed.
>
>B) CPE is an IPv4/NAT router connected to a service provider where  
>IPv6-in-IPv4 tunneling is available with a default route to 
>the public  
>default-free zone, e.g. 6to4, tunnel-broker, etc.
>
>Are there *any* other realistic models to consider for residential CPE?

CPE is an IPv4/NAT router connected to a service provider
where IPv6-in-IPv4 tunneling is available with a default
route to a border gateway for the service provider, e.g.,
ISATAP (with private IPv4 address on the CPE's provider-
facing interface).

Fred
fred.l.templin@boeing.com

>
>--
>james woodyatt <jhw@apple.com>
>member of technical staff, communications engineering
>
>
>
>

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