Re: [tsvwg] a new method of congestion control

["[e-mail]" <[e-mail]>]

On Jun 4, 2023, at 9:14 PM, Mitchell Erblich <[e-mail]> wrote:
> 
> Joe,
> 
> 	One would need to duplicate Appropriate Byte Counting (ABC) by Allman / Pacing in Ethernet, but why would you want to when you already had it within a experimental CA in TCP?
> 
> 	If you flood packets and a intermediate system (router) did a tail-drop or a random-early drop, you still drop packets.
> 
> 	If you have out-of-orderness that jumps because… then you drop packets
> 
> 	If you fragment and drop a fraction of the packet you drop…
> 	
> 	If you re-route because of the change of the routing table and you re-order, you drop,,,,

However, if you reserve resources along a path and don’t change paths, then you don’t drop and none of the above applies.

That won’t work in a heterogenous arbitrary Internet, but can in a highly controlled environment - especially when tuned for a specific workload.

> 	...
> 
> 	Why create a wheel when it already exists???

My reply wasn’t suggesting we should. But even in the IETF, we do.

Joe

> Group,,, Sorry, about the verbose response….
> 
> Mitchell Erblich
> [e-mail]
> 
> 
> 
>> On Jun 4, 2023, at 8:15 PM, [e-mail] wrote:
>> 
>> Ethernet has a LOT of extensions:
>> 
>> IEEE 802.1
>> en.wikipedia.org
>> <wikipedia.png>
>> 
>> Could this either be some subset of newer extensions or revival/vendor-specific variants of past attempts?
>> 
>> Joe
>> 
>> —
>> Dr. Joe Touch, temporal epistemologist
>> www.strayalpha.com
>> 
>>> On Jun 4, 2023, at 7:50 PM, Mitchell Erblich <[e-mail]> wrote:
>>> 
>>> Weird, In my Opinion (IMO),
>>> 
>>> 	How do you separate out AI versus non-AI flows, so you can tailer one type network flow to AI aware applications?
>>> 
>>> 	Is AI consuming even 20% of network bandwidth at this time?
>>> 
>>> 	Isn’t Apple’s ?Siri? an AI application approaching 10 years of age, which I find far from perfect.
>>> 
>>> 	It is like having a different Ethernet protocol for UDP versus TCP.
>>> 
>>> 	The article must be missing critical information or the writer doesn’t understand TCP and/or CA.
>>> 
>>> Mitchell Erblich
>>> [e-mail]
>>> 
>>> 
>>> 
>>>> On Jun 4, 2023, at 5:53 PM, Dave Taht <[e-mail]> wrote:
>>>> 
>>>> announced by nvidia here:
>>>> https://www.zdnet.com/article/nvidia-unveils-new-kind-of-ethernet-for-ai-grace-hopper-superchip-in-full-production/
>>>> 
>>>> I have no idea what an AI workload looks like, familiarity with a ton
>>>> of DC l2 protocols, and there are hints in this post about telemetry.
>>>> 
>>>> Anyone have clue here?
>>>> 
>>>> -- 
>>>> Podcast: https://www.linkedin.com/feed/update/urn:li:activity:7058793910227111937/
>>>> Dave Täht CSO, LibreQos
>>>> 
>>> 
>> 
>