<div dir="ltr">I think only IPSEC would be a problem for fastACK but not TLS.</div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Dec 1, 2017 at 2:13 PM, Кирилл Луконин <span dir="ltr"><<a href="mailto:klukonin@gmail.com" target="_blank">klukonin@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">As I noticed from the Meraki document:<br>
<br>
"FastACK also relies on packet inspection, and will not work when<br>
payload is encrypted. However, in our networks, we do not currently<br>
see an extensive use of encryption techniques like IPSec."<br>
<br>
But what about TLS ?<br>
As for me, this technology will never work in most cases.<br>
<br>
<br>
Best regards,<br>
Lukonin Kirill.<br>
<span class=""><br>
2017-12-01 17:53 GMT+05:00 Toke Høiland-Jørgensen <<a href="mailto:toke@toke.dk">toke@toke.dk</a>>:<br>
> Jan Ceuleers <<a href="mailto:jan.ceuleers@gmail.com">jan.ceuleers@gmail.com</a>> writes:<br>
><br>
>> On 01/12/17 01:28, David Lang wrote:<br>
>>> Stop thinking in terms of single-flow benchmarks and near idle<br>
>>> 'upstream' paths.<br>
>><br>
>> Nobody has said it so I will: on wifi-connected endpoints the upstream<br>
>> acks also compete for airtime with the downstream flow.<br>
><br>
> There's a related discussion going on over on the make-wifi-fast list<br>
> related to the FastACK scheme proposed by Meraki at this year's IMC:<br>
><br>
> <a href="https://conferences.sigcomm.org/imc/2017/papers/imc17-final203.pdf" rel="noreferrer" target="_blank">https://conferences.sigcomm.<wbr>org/imc/2017/papers/imc17-<wbr>final203.pdf</a><br>
><br>
> It basically turns link-layer ACKs into upstream TCP ACKs (and handles<br>
> some of the corner cases resulting from this) and also seems to contain<br>
> an ACK compression component.<br>
><br>
> -Toke<br>
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<span class="HOEnZb"><font color="#888888"><br>
<br>
<br>
--<br>
Best Regards,<br>
Lukonin Kirill<br>
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