Re: [Make-wifi-fast] [Bloat] benefits of ack filtering

[Simon Barber <simon@superduper.net>]

TLS works over TCP, so the TCP headers are not encrypted.

Simon

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On December 11, 2017 8:17:47 AM Кирилл Луконин <klukonin@gmail.com> wrote:

> As I noticed from the Meraki document:
>
> "FastACK also relies on packet inspection, and will not work when
> payload is encrypted. However, in our networks, we do not currently
> see an extensive use of encryption techniques like IPSec."
>
> But what about TLS ?
> As for me, this technology will never work in most cases.
>
>
> Best regards,
> Lukonin Kirill.
>
> 2017-12-01 17:53 GMT+05:00 Toke Høiland-Jørgensen <toke@toke.dk>:
>> Jan Ceuleers <jan.ceuleers@gmail.com> writes:
>>
>>> On 01/12/17 01:28, David Lang wrote:
>>>> Stop thinking in terms of single-flow benchmarks and near idle
>>>> 'upstream' paths.
>>>
>>> Nobody has said it so I will: on wifi-connected endpoints the upstream
>>> acks also compete for airtime with the downstream flow.
>>
>> There's a related discussion going on over on the make-wifi-fast list
>> related to the FastACK scheme proposed by Meraki at this year's IMC:
>>
>> https://conferences.sigcomm.org/imc/2017/papers/imc17-final203.pdf
>>
>> It basically turns link-layer ACKs into upstream TCP ACKs (and handles
>> some of the corner cases resulting from this) and also seems to contain
>> an ACK compression component.
>>
>> -Toke
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>
>
>
> --
> Best Regards,
> Lukonin Kirill
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