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Re: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?

James Woodyatt <jhw@nestlabs.com> Fri, 06 November 2015 02:32 UTC

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From: James Woodyatt <jhw@nestlabs.com>
In-Reply-To: <D261FE8E.CA1FB%Lee.Howard@twcable.com>
Date: Fri, 06 Nov 2015 11:32:43 +0900
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References: <D25D5920.C914E%Lee.Howard@twcable.com> <5637FDD0.70300@jvknet.com> <D25E32F1.C9507%Lee.Howard@twcable.com> <CAKD1Yr1VvzkSmJo3hu6t_3CUguLN_UkNZjRUqvU_ygPBTyb+8g@mail.gmail.com> <8AE0F17B87264D4CAC7DE0AA6C406F45C2319739@nkgeml506-mbx.china.huawei.com> <CAKD1Yr3g-ZV+MkbtDrusbtYaZ_wmCxDG9XbT25Ldma4koGpV6A@mail.gmail.com> <D25E7DDF.C9709%Lee.Howard@twcable.com> <CAKD1Yr3Vsn7Ny_xSCr_=sVCHyU+=ZrRh2iQDUPx-5FWdHajv2w@mail.gmail.com> <D2614A6A.CA099%Lee.Howard@twcable.com> <563B9D1E.4030606@umn.edu> <D261FE8E.CA1FB%Lee.Howard@twcable.com>
To: "Howard, Lee" <lee.howard@twcable.com>
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Cc: IPv6 Operations <v6ops@ietf.org>
Subject: Re: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?
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On Nov 6, 2015, at 06:56, Howard, Lee <lee.howard@twcable.com> wrote:
> 
> Would somebody please explain to me exactly what NPT66 breaks?
> Preferably in a way that could be included in a draft.

Short answer: address referral is broken by NPTv6, which leads to unilateral self-address fixing (UNSAF) services, which are themselves fundamentally broken (see sections 2 and 3 of RFC 3424).


—james.

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