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Re: [v6ops] new draft: draft-ietf-v6ops-6204bis

Reinaldo Penno <rpenno@juniper.net> Wed, 19 October 2011 23:59 UTC

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From: Reinaldo Penno <rpenno@juniper.net>
To: "Hemant Singh (shemant)" <shemant@cisco.com>, "mohamed.boucadair@orange.com" <mohamed.boucadair@orange.com>, "Fred Baker (fred)" <fred@cisco.com>, Maglione Roberta <roberta.maglione@telecomitalia.it>, "draft-ietf-pcp-base@tools.ietf.org" <draft-ietf-pcp-base@tools.ietf.org>, "pcp-chairs@tools.ietf.org" <pcp-chairs@tools.ietf.org>
Date: Wed, 19 Oct 2011 19:58:27 -0400
Thread-Topic: [v6ops] new draft: draft-ietf-v6ops-6204bis
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Cc: "v6ops@ietf.org" <v6ops@ietf.org>, MEILLAREC Loïc OLNC/NAD/TIP <loic.meillarec@orange.com>, "draft-ietf-v6ops-6204bis@tools.ietf.org" <draft-ietf-v6ops-6204bis@tools.ietf.org>, Ullio Mario <mario.ullio@telecomitalia.it>
Subject: Re: [v6ops] new draft: draft-ietf-v6ops-6204bis
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On 10/19/11 4:13 PM, "Hemant Singh (shemant)" <shemant@cisco.com> wrote:

> Reinaldo,
> 
> Thanks, understood.  However, my question to the DS-Lite folks is still not
> answered because I was told by them that DS-Lite needs PCP.
> So then I asked 
> what if the Windows host behind the CE router does not support a PCP client,
> then what is the PCP server/proxy inside the CE router do for DS-Lite?

I believe there are two use cases:

If I understand you correctly, it will do the same thing when napt44 is in
the CPE since DS-Lite since includes napt in the AFTR.

In other words, it will perform a UPnP/NAT-PMP<->PCP IWF where it will take
UPnP message, encap on v6 packets and send to AFTR.

Another use case is IPv6 stateful firewall where dual stack/IPv6 host in the
home wants to manage mappings on the CPE. Other people posted use cases
related to this scenario.

> 
> Thus my question is still un-answered.

Does the above help or maybe would you mind clarifying your question?

> 
> Hemant
> 
> -----Original Message-----
> From: Reinaldo Penno [mailto:rpenno@juniper.net]
> Sent: Wednesday, October 19, 2011 6:34 PM
> To: Hemant Singh (shemant); mohamed.boucadair@orange.com; Fred Baker (fred);
> Maglione Roberta; draft-ietf-pcp-base@tools.ietf.org;
> pcp-chairs@tools.ietf.org
> Cc: v6ops@ietf.org; Ullio Mario; draft-ietf-v6ops-6204bis@tools.ietf.org;
> MEILLAREC Loïc OLNC/NAD/TIP
> Subject: Re: [v6ops] new draft: draft-ietf-v6ops-6204bis
> 
> If windows does not implement PCP Client then the option is to implement:
> 
> - UPnP/NAT-PMP - PCP IWF
> 
> http://tools.ietf.org/html/draft-bpw-pcp-upnp-igd-interworking-02
> 
> I mean, assuming there is an application that wants to open ports.
> 
> Thanks,
> 
> Reinaldo
> 
> On 10/19/11 3:21 PM, "Hemant Singh (shemant)" <shemant@cisco.com> wrote:
>

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