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Re: [v6ops] [OPSEC] Asking for a review of draft-ietf-opsec-v6-08

Gert Doering <gert@space.net> Fri, 17 June 2016 11:47 UTC

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Date: Fri, 17 Jun 2016 13:47:32 +0200
From: Gert Doering <gert@space.net>
To: Marco Ermini <Marco.Ermini@ResMed.com>
Message-ID: <20160617114732.GK79185@Space.Net>
References: <D386FF93.75916%evyncke@cisco.com> <CAAedzxqBr=ApvGTUrjNUnRmpcamkt4OH1CchcDEWgDcXRgo8Fw@mail.gmail.com> <173d2c6b-4cbf-88da-cf20-710a90e04c7e@gmail.com> <38465846B6383D4A8688C0A13971900C48DBF82F@ge2eml2k1004> <CAO42Z2z_pgBrn3bNRagx4W2FYn4aJ=NYNGwzDk+Q2o373qux+A@mail.gmail.com> <38465846B6383D4A8688C0A13971900C48DBFD81@ge2eml2k1004>
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Subject: Re: [v6ops] [OPSEC] Asking for a review of draft-ietf-opsec-v6-08
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Hi,

On Thu, Jun 16, 2016 at 10:03:25AM +0000, Marco Ermini wrote:
> NAT can be still necessary in IPv6 in dual-stack scenario, for instance, where every host is assigned both a IPv4 and IPv6 addresses and the CGN equipment can't handle them differently.  Unfortunately RFC 4864 does not mention such case, AFAIK.

Why would anyone route their IPv6 traffic to the IPv4 CGN box?

CGN boxes are way expensive, so anyone with a calculator would route
everything that does not need NAT around the CGN box.

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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