Re: [v6ops] draft-buraglio-v6ops-ula discussion

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 01 August 2022 20:33 UTC

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Date: Tue, 02 Aug 2022 08:33:16 +1200
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Subject: Re: [v6ops] draft-buraglio-v6ops-ula discussion
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Please adopt this draft as a problem statement, move it forward ASAP, so that we can kick the solution over to 6man.

On 02-Aug-22 03:29, Clark Gaylord wrote:
> For most use cases private legacy replacement is global addressing. Wide scale ULA will only encourage NAT66 and similar abominations. 

What encourages that is people who believe that ULAs are RFC1918 replacements, which is not the case. But I'm afraid that getting rid of the widespread belief that NAT is a security feature is outside the IETF's ability, and you don't need ULAs to implement NPTv6 or NAT66 - GUAs are cheap.

    Brian

> The point of IPv6 is to restore the end-to-end principle to the network (and the way we *think*) not perpetuate bad ideas.
> 
> We should absolutely encourage proper use cases for ULA but the VM farm, for example, typically *isn't* it. (Someone recently pointed out the control plane of their mpls fabric -- that's probably a good example.)
> 
> Enterprise network admins got sold a bill of goods by vendors who wanted to keep them ignorant telling them that "NAT = security".
> 
> --ckg
> 
> On Mon, Aug 1, 2022, 11:18 Vasilenko Eduard <vasilenko.eduard=40huawei.com@dmarc.ietf.org <mailto:40huawei.com@dmarc.ietf.org>> wrote:
> 
>     +1.____
> 
>     __ __
> 
>     1.____
> 
>     DualStack is for a long time in the Enterprise.____
> 
>     ULA priority below IPv4 makes it useless.____
> 
>     People would be looking for a Private IPv4 replacement.____
> 
>     The absence of the replacement would considerably delay IPv6 adoption in the Enterprise.____
> 
>     __ __
> 
>     2.____
> 
>     Not many expect such ULA priority. People are massively misleaded.____
> 
>     __ __
> 
>     Eduard____
> 
>     *From:*v6ops [mailto:v6ops-bounces@ietf.org <mailto:v6ops-bounces@ietf.org>] *On Behalf Of *Ed Horley
>     *Sent:* Monday, August 1, 2022 6:02 PM
>     *To:* Fred Baker <fredbaker.ietf@gmail.com <mailto:fredbaker.ietf@gmail.com>>
>     *Cc:* v6ops list <v6ops@ietf.org <mailto:v6ops@ietf.org>>
>     *Subject:* Re: [v6ops] draft-buraglio-v6ops-ula discussion____
> 
>     __ __
> 
>     I support adoption of the draft____
> 
>     __ __
> 
>     On Mon, Aug 1, 2022 at 08:01 Fred Baker <fredbaker.ietf@gmail.com <mailto:fredbaker.ietf@gmail.com>> wrote:____
> 
>         At IETF 114, Nick discussed draft-buraglio-v6ops-ula, which is ongoing in another thread. He asked for the WG to adopt the draft; should we?____
> 
>         _______________________________________________
>         v6ops mailing list
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>         https://www.ietf.org/mailman/listinfo/v6ops <https://www.ietf.org/mailman/listinfo/v6ops>____
> 
>     -- ____
> 
>     ed@hexabuild.io <mailto:ed@hexabuild.io> - 925-876-6604____
> 
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