Re: [Spud] No. Operators don't need SPUD for mobile network management

"Fossati, Thomas (Nokia - GB)" <thomas.fossati@nokia.com> Tue, 26 July 2016 22:49 UTC

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From: "Fossati, Thomas (Nokia - GB)" <thomas.fossati@nokia.com>
To: Christian Huitema <huitema@microsoft.com>, "Smith, Kevin, (R&D) Vodafone Group" <Kevin.Smith@vodafone.com>, "Eggert, Lars" <lars@netapp.com>, "Mikael Abrahamsson" <swmike@swm.pp.se>
Thread-Topic: [Spud] No. Operators don't need SPUD for mobile network management
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Date: Tue, 26 Jul 2016 22:49:22 +0000
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Cc: Frode Kileng <frodek@tele.no>, "spud@ietf.org" <spud@ietf.org>
Subject: Re: [Spud] No. Operators don't need SPUD for mobile network management
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On 26/07/2016 18:46, "Spud on behalf of Christian Huitema"
<spud-bounces@ietf.org on behalf of huitema@microsoft.com> wrote:
>On Monday, July 25, 2016 3:49 AM, Kevin Smith wrote:
>> 
>> Another operator here:  I like the notion of PLUS being used to hint to
>>the TCP
>> sender regarding network radio cell conditions, i.e. mobile throughput
>> guidance[1].  So network information being sent out to help tune cwnd.
>
>Isn't that already available from the modem?

No, the UE only knows about its perceived radio quality.  The effective
amount of transport blocks (i.e., instantaneous throughput) assigned to a
given UE is decided by the base station, taking into account the state of
all the attached devices.