Re: [Bloat] bufferbloat paper

[Jonathan Morton <chromatix99@gmail.com>]

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I think the point being made here was that the FTTH homes were talking to
DSL hosts via P2P a lot.

- Jonathan Morton
 On Jan 9, 2013 6:54 AM, "David Lang" <david@lang.hm> wrote:

> On Tue, 8 Jan 2013, Mark Allman wrote:
>
>  Did any of their 90 homes contained laptops connected over WiFi?
>>>>
>>>
>>> Almost certinly,
>>>
>>
>> Yeah - they nearly for sure did.  (See the note I sent to bloat@ this
>> morning.)
>>
>>  but if the connection from the laptop to the AP is 54M and the
>>> connection from the AP to the Internet is 1G, you are not going to
>>> have a lot of buffering taking place. You will have no buffering on
>>> the uplink side, and while you will have some buffering on the
>>> downlink side, 54M is your slowest connection and it takes a
>>> significantly large amount of data in flight to fill that for seconds.
>>>
>>
>> 54Mbps *might* be your slowest link.  It also could be somewhere before
>> incoming traffic gets anywhere close to any of the CCZ gear.  E.g., if
>> the traffic is from my DSL line the bottleneck will be < 1Mbps and on my
>> end of the connection.
>>
>
> Wait a min here, from everything prior to this it was sounding like you
> were in a fiber-to-the-home experimental area that had 1G all the way to
> the houses, no DSL involved.
>
> Are we all minunderstanding this?
>
> David Lang
>
>  But, regardless, none of this matters for the results presented in the
>> paper because our measurements factor out the local residences.  Again,
>> see the paper and the note I sent this morning.  The measurements are
>> taken between our monitor (which is outside the local homes) and the
>> remote host somewhere out across the Internet.  We are measuring
>> wide-area and remote-side networks, not the local FTTH network.
>>
>> allman
>>
>>
>>
>>
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