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Re: [v6ops] Fwd:I-DAction:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt

"Templin, Fred L" <Fred.L.Templin@boeing.com> Tue, 05 April 2011 21:57 UTC

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From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
To: "Hemant Singh (shemant)" <shemant@cisco.com>, IPv6 Ops WG <v6ops@ietf.org>
Date: Tue, 05 Apr 2011 14:59:01 -0700
Thread-Topic: [v6ops] Fwd:I-DAction:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt
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Subject: Re: [v6ops] Fwd:I-DAction:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt
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Hi Hemant,

I have no way of knowing how many home or soho networks
use ISATAP today, however I do know that there are many
(millions of?) hosts that would automatically enable
ISATAP if it were available in the home/soho network.

Thanks - Fred
fred.l.templin@boeing.com 

> -----Original Message-----
> From: Hemant Singh (shemant) [mailto:shemant@cisco.com] 
> Sent: Tuesday, April 05, 2011 2:42 PM
> To: Hemant Singh (shemant); Templin, Fred L; IPv6 Ops WG
> Subject: RE: [v6ops] 
> Fwd:I-DAction:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt
> 
> Fred,
> 
> One feedback from the design team was to ask how many home or soho
> networks use ISATAP today before the team would decide to add 
> ISATAP to
> the bis document?  
> 
> Thanks,
> 
> Hemant
> 
> -----Original Message-----
> From: v6ops-bounces@ietf.org [mailto:v6ops-bounces@ietf.org] On Behalf
> Of Hemant Singh (shemant)
> Sent: Tuesday, April 05, 2011 4:34 PM
> To: Templin, Fred L; IPv6 Ops WG
> Subject: Re: [v6ops]
> Fwd:I-DAction:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt
> 
> Fred,
> 
> Thanks for the text.  I will run your email by our IPv6 CE 
> Router design
> team and solicit feedback from them for ISATAP in the IPv6 CE Router
> specification.
> 
> Cheers,
> 
> Hemant
> 
> -----Original Message-----
> From: v6ops-bounces@ietf.org [mailto:v6ops-bounces@ietf.org] On Behalf
> Of Templin, Fred L
> Sent: Tuesday, April 05, 2011 4:16 PM
> To: IPv6 Ops WG
> Subject: Re: [v6ops] Fwd:
> I-DAction:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt
> 
> I would like to propose a new section for this draft to
> cover the use of transition technologies within the end
> user LAN side network. See below for proposed text:
> 
> Fred
> fred.l.templin@boeing.com
> 
> --- cut here ---
> 
> 5.5.3  ISATAP
> 
>    The IPv6 CE Router can be used to offer IPv6 services to nodes
>    on IPv4-only segments within the end user LAN. ISATAP [RFC5214]
>    provides for intra-site encapsulation of IPv6 packets over IPv4
>    networks that connect to the IPv6 Internet via one or more IPv6
>    CE Routers configured as site border routers. The IPv6 CE Router
>    sub-delegates portions of its IPv6 prefixes for assignment to
>    nodes on the ISATAP link and/or to the ISATAP link itself. 
> 
>    ISATAP requirements:
> 
>    ISA-1:  If the IPv6 CE Router implements ISATAP functionality, the
>            CE Router LAN interface MUST support at least one ISATAP
>            virtual interface and ISATAP router functionality as
>            specified in [RFC5214].
> 
>    ISA-2:  If the IPv6 CE Router implements ISATAP functionality, it
>            MUST arrange to add itself to the ISATAP Potential Router
>            List (PRL) for the LAN.
> 
>    ISA-3:  When the LAN contains legacy ISATAP nodes that support
>            only SLAAC, the IPv6 CE router MUST advertise IPv6 prefixes
>            on the ISATAP interface.
> 
>    ISA-4:  The CE router MUST be configured in a manner that ensures
>            that no IPv6 routing loops are enabled via the ISATAP
>            interface [draft-ietf-v6ops-tunnel-loops].
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