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Re: I-D Action: draft-mishra-6man-variable-slaac-01.txt

Brian E Carpenter <brian.e.carpenter@gmail.com> Sun, 08 November 2020 21:44 UTC

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Subject: Re: I-D Action: draft-mishra-6man-variable-slaac-01.txt
To: JORDI PALET MARTINEZ <jordi.palet=40consulintel.es@dmarc.ietf.org>, ipv6@ietf.org
References: <160409741426.1448.16934303750885888002@ietfa.amsl.com> <3c1c3ab5-5726-b141-e7ed-618984bbbdb1@gmail.com> <CABNhwV1zoZpZNjb54rEys4+49H3vpebZW2g9JbO1_58eR+WnQg@mail.gmail.com> <CABNhwV3L7kz=cWu8s3X=djVf4MCwewzbEgx09TWaKzCULCjYUQ@mail.gmail.com> <9A9CE8E7-3552-4FD8-A50E-1BDCA2CB813F@employees.org> <CABNhwV0LxM7EuKo2wNtVacjewsVqdhrmSiVBmB_EL-mqJYdU3A@mail.gmail.com> <CD9F9F09-2CBC-4A72-99C0-4A9A470357ED@employees.org> <CABNhwV1WmnQ_vt31t0eUTiEhsi3Du+X+XPafRNv1BgvZS+TPGA@mail.gmail.com> <m1kaM2K-0000J1C@stereo.hq.phicoh.net> <CABNhwV3uODOD7_fWhZzSNrw+P8ftR5D5QAiK65FNXCs+NrmE_w@mail.gmail.com> <CABNhwV3zGLXTTRXzkUShCmnVUqdy0p+QiLHhVAa1bzr_XGJx9w@mail.gmail.com> <4ED53387-0CCB-4779-848E-EFCF6120EB66@consulintel.es>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Mon, 09 Nov 2020 10:44:11 +1300
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On 09-Nov-20 09:14, JORDI PALET MARTINEZ wrote:
> This is wrong. As one of the authors of that document, I can ensure that it covers both aspects, size and persistence and it also covers mobile. See:
> 
>  
> 
> 4.2.4. Considerations for Cellular Operators
> 
> There is a clear exception to the rule described above when assigning prefixes in a cellular network. In this case, a /64 will need to be provided for each PDP context for cellular phones, whereas for LTE modems/routers, i.e. in the case of broadband by means of cellular access, it will still be necessary to choose a /48 or /56 in accordance with the aforementioned considerations.
> 

Can you be more explicit? Are you saying that this problem is in fact solved for 5G modems? If so, and 4G is soon to be legacy, why are we even having this discussion?

Regards
     Brian

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