NAT444 or ?

Randy Bush randy at
Wed Sep 7 08:27:22 UTC 2011

> In a typical DS-Lite deployment you won't be using NAT444. One of the
> key advantages of DS-Lite (and A+P, I believe) is that there's only one
> level of NAT between the end user and the public internet.

yep.  and in ds-lite that nat is in the core, so you talk to comcast's
lawyers when you need a new alg.  with a+p, the nat is under customer
control, and they just go to best buy to get the cpe that supports the
alg that they want.


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