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Re: [v6ops] ULA draft revision #2 Regarding isolated networks

Lorenzo Colitti <lorenzo@google.com> Tue, 27 May 2014 05:27 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Tue, 27 May 2014 14:26:40 +0900
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To: "Liubing (Leo)" <leo.liubing@huawei.com>
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Subject: Re: [v6ops] ULA draft revision #2 Regarding isolated networks
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On Tue, May 27, 2014 at 2:09 PM, Liubing (Leo) <leo.liubing@huawei.com>wrote:
>
>   * If it connects to the global Internet, then need some operation to add
> a new global prefix and ensure the address selection in the right form. Or
> just put a NAT.
>

Please don't propose NAT as a solution to this.

   - NAT imposes substantial additional complexity on many applications,
   and breaks applications that do not implement that complexity.
   - NAT is strongly discouraged by the IAB (RFC 5902 section 4.1).
   - NAT provides no advantages compared to using ULA + GUA.

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