Re: [Marnew] RFC 6077

[Vijay Devarapalli <[e-mail]>]

No Operator would share that kind of information from their base 
station. That is a non-starter. The base stations are busy with what 
they usually do best - delivering as many bits as possible to the UEs 
attached to it.

Vijay

On 9/24/15 9:11 AM, Blake Matheny wrote:
> I don’t think that has to be the case. I’d like to get channel 
> bandwidth, allocated channels vs available channels, and a couple of 
> other things from the tower. Beyond collecting this data to better 
> understand global trends, we use similar (less accurate) signals for 
> making dynamic decisions (for instance, disable a particular feature 
> because conditions look like X).
>
> Just because the signals are ephemeral/dynamic don’t mean they aren’t 
> useful. TCP does not provide these hints. Also struct tcp_info is a 
> Linuxism and is not widely available across platforms.
>
> -Blake
>
> From: Ca By
> Date: Thursday, September 24, 2015 at 8:49 AM
> To: Blake Matheny
> Cc: "Smith, Kevin, (R&D) Vodafone Group", "Scharf, Michael (Michael)", 
> "[e-mail] <mailto:[e-mail]>"
> Subject: Re: [Marnew] RFC 6077
>
>
>
>     On Thursday, September 24, 2015, Blake Matheny <[e-mail]
>     <mailto:[e-mail]>> wrote:
>
>         I’ve asked a couple of vendors for congestion hints in a
>         variety of ways. So far, no luck :) I would really like to see
>         this as well.
>
>
>
>     The problem is these hints are too ephemeral and dynamic to be
>     useful.  Someone turns on a microwave oven and congestion becomes
>     high ....
>
>     This just seems to be more signalling without actionable
>     information. I belive tcp already provides these hints
>
>
>
>         On 9/24/15, 7:34 AM, "Marnew on behalf of Smith, Kevin, (R&D)
>         Vodafone Group" <[e-mail] <javascript:;> on
>         behalf of [e-mail] <javascript:;>> wrote:
>
>         >Hi Michael,
>         >Thanks for reminding me - Bob Briscoe also recommended 6077,
>         especially when considering the impact of providing congestion
>         hints (namely in the Mobile Throughput Guidance draft).
>         Certainly we need to make sure that such efforts do not merely
>         shift the bottleneck to cause problems elsewhere. So as you
>         say we can review those challenges - if not in detail at the
>         workshop then on the mailing list.
>         >All best
>         >Kevin
>         >
>         >"Scharf, Michael (Michael)"
>         <[e-mail] <javascript:;>> wrote:
>         >
>         >
>         >On the MarNew page, I see some ideas related to
>         network-support/network-assisted congestion control. The IRTF
>         has written some time ago RFC 6077, and it could be useful to
>         review the challenges in Section 3.1 therein. Of course, parts
>         of that RFC may be outdated.
>         >
>         >Michael (co-author of RFC 6077)
>         >
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