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Re: [tcpm] Intended status of draft-ietf-tcpm-rack

Christoph Paasch <cpaasch@apple.com> Wed, 20 November 2019 03:26 UTC

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From: Christoph Paasch <cpaasch@apple.com>
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Date: Wed, 20 Nov 2019 11:26:07 +0800
Cc: Ingemar Johansson S <ingemar.s.johansson=40ericsson.com@dmarc.ietf.org>, Ingemar Johansson S <ingemar.s.johansson@ericsson.com>, "tcpm@ietf.org" <tcpm@ietf.org>
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To: Jonathan Morton <chromatix99@gmail.com>
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Subject: Re: [tcpm] Intended status of draft-ietf-tcpm-rack
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> On Nov 19, 2019, at 7:06 PM, Jonathan Morton <chromatix99@gmail.com> wrote:
> 
>> On 19 Nov, 2019, at 6:51 pm, Ingemar Johansson S <ingemar.s.johansson=40ericsson.com@dmarc.ietf.org> wrote:
>> 
>> I am also in support of proposed standard for draft-ietf-tcpm-rack as this
>> can potentially relax the strict ordering requirements in 5G deployments. I
>> am not 100% certain of the actual value of proposed standard vs experimental
>> ditto outside IETF but it is definitely not of negative impact. 
>> 
>> A question (perhaps already discussed on the mailing list): 
>> How widely do you think that RACK will be deployed in TCP stacks in the near
>> and more far perspective?. 
>> I know that it is already in Linux. What about MS Windows, FreeBSD, IOS,
>> Android ??
> 
> Android is Linux, to a first approximation, and thus inherits its networking capabilities.
> 
> FreeBSD I understand has a RACK-capable TCP stack, but which is not the default.  I think Rod Grimes should be able to clarify this, and he's also on this list.
> 
> Apple devices I do not know for sure about.

We do not have an implementation of RACK in our TCP stack.


Regardless of that, I support PS as the intended status for RACK.


Christoph


> 
> - Jonathan Morton
> 
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