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Re: [v6ops] draft-palet-v6ops-464xlat-opt-cdn-caches **Call for Adoption**

otroan@employees.org Thu, 09 January 2020 17:40 UTC

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Subject: Re: [v6ops] draft-palet-v6ops-464xlat-opt-cdn-caches **Call for Adoption**
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>    Stateful technologies, 464XLAT and DS-Lite (and also NAT444) can
>    therefore be much more efficient in terms of port allocation and thus
>    public IP address saving.  The price is the stateful operation in the
>    service provider network, which allegedly does not scale up well.  It
>    should be noticed that in many cases, all those factors may depend on
>    how it is actually implemented.
> 

Not allegedly.
The two mechanism-types do have different scaling properties.
The CGN type are pets (scale with sharding + HA mechanisms), the stateless mechanisms behave like cattle. I.e. you just add more instances.

Cheers,
Ole

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