Re: [v6ops] draft-ietf-v6ops-mobile-device-profile last call

Mikael Abrahamsson <swmike@swm.pp.se> Mon, 23 February 2015 14:01 UTC

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Date: Mon, 23 Feb 2015 15:01:43 +0100
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Lorenzo Colitti <lorenzo@google.com>
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Cc: V6 Ops List <v6ops@ietf.org>
Subject: Re: [v6ops] draft-ietf-v6ops-mobile-device-profile last call
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On Mon, 23 Feb 2015, Lorenzo Colitti wrote:

> On Mon, Feb 23, 2015 at 10:25 PM, Dave Michaud <Dave.Michaud@rci.rogers.com>
> wrote:
>
>>  In the first 2 causes (CC50 & CC51), the UE is to accept the PDP type
>> selected by the network (IPv4 or IPv6) and not proceed further. Cause code
>> 52 is the mean by which the network signals that it will allow two
>> distincts PDP of different address type. In that case only is the UE
>> suppose to go back and request a second PDP with the alternate type not
>> offered by the network at the same time cause code 52 was returned.
>
> Actually the behaviour depends on the release. Release 8 says the MS "MAY
> request another PDP context for the other PDP type".
>
> In any case, I think we agree that this is not something that we want to
> recommend?

I don't agree. I agree with the above description of the CC52 code, and I 
definitely want (and expect) the UE to set up a second PDP context in case 
it gets CC52.

How else should the network signal to the UE that it should bring up a 
second PDP context?

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se