Thanks, and how long does it take to transmit the wifi header (at 1Mb/s and at
11Mb/s)? That's also airtime that's not availalbe to transmit user data.
And then compare that to the time it takes to transmit a 1500 byte ethernet
packet worth of data over a 160MHz wide channel
Going back to SM'
4 microseconds!
On Wednesday, October 19, 2022 3:23pm, "David Lang via Cake"
said:
> you have to listen and hear nothing for some timeframe before you transmit,
> that
> listening time is define in the standard. (isn't it??)
>
> David Lang
>
> On Wed, 19 Oct 2022, Bob McMahon wrote:
>
>
Bob -
I think it is great that Cisco has been looking at controlling buffer size in datacenters. However, I'm actually quite skeptical of the analysis here.
I think what is going on is that operating system scheduling delays (typical Linux scheduling of ACK packet generation for the TCP stack i