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

Lorenzo Colitti <lorenzo@google.com> Mon, 23 February 2015 14:27 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Mon, 23 Feb 2015 23:27:36 +0900
Message-ID: <CAKD1Yr0WNGQQ5rv=tShduSS1J+VuA+kTPomPJa9tznMyiGTffQ@mail.gmail.com>
To: Mikael Abrahamsson <swmike@swm.pp.se>
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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, Feb 23, 2015 at 11:16 PM, Mikael Abrahamsson <swmike@swm.pp.se>
wrote:

> Why would you ever want to do this? It has terrible scaling properties and
>> no fate sharing.
>>
>
> Because that's the way MMS is commonly done as well, as well as VoLTE.
> It's the basic model how QoS is supposed to work in 3GPP networks.
>

Sure, but even if you already have another PDN up for VoLTE, using 2 PDNs
for Internet access is still a 50% increase in load. Again - do we have
evidence from operators that using IPv4 / IPv6 on two separate APNs works
well in production?

The only operators I have heard using it said that it was very much
something they wanted to avoid.