* [Bloat] RED 13 years later
@ 2024-02-10 4:32 Dave Taht
2024-02-10 17:10 ` Kenneth Porter
0 siblings, 1 reply; 3+ messages in thread
From: Dave Taht @ 2024-02-10 4:32 UTC (permalink / raw)
To: bloat
And I still have never seen anyone give me a packet capture of juniper
or cisco´s red
implementation.
https://lkml.kernel.org/netdev/CAA93jw7wAL75pVrB-q+xGAcpQtiZz4iVW0Z2W9E8VGSyUFOo-w@mail.gmail.com/
--
40 years of net history, a couple songs:
https://www.youtube.com/watch?v=D9RGX6QFm5E
Dave Täht CSO, LibreQos
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Bloat] RED 13 years later
2024-02-10 4:32 [Bloat] RED 13 years later Dave Taht
@ 2024-02-10 17:10 ` Kenneth Porter
2024-02-10 17:38 ` Kathleen Nichols
0 siblings, 1 reply; 3+ messages in thread
From: Kenneth Porter @ 2024-02-10 17:10 UTC (permalink / raw)
To: bloat
I didn't know what RED was and had to look it up. For others new to the
lingo:
https://en.wikipedia.org/wiki/Random_early_detection
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Bloat] RED 13 years later
2024-02-10 17:10 ` Kenneth Porter
@ 2024-02-10 17:38 ` Kathleen Nichols
0 siblings, 0 replies; 3+ messages in thread
From: Kathleen Nichols @ 2024-02-10 17:38 UTC (permalink / raw)
To: bloat
A big issue is that "average queue length" was and is a terrible
indicator of congestion. But I think the first "bug" Van was referring
to was the original RED "control law" - I asked him why he thought it
would work as it really ends up looking like a step function which your
first control theory course will show is rather primitive. The thing is,
that TCP is really robust and almost anything will "work" on long-lived
TCP connections. Which is what everyone used for testing.
On 2/10/24 9:10 AM, Kenneth Porter via Bloat wrote:
> I didn't know what RED was and had to look it up. For others new to the
> lingo:
>
> https://en.wikipedia.org/wiki/Random_early_detection
>
>
> _______________________________________________
> Bloat mailing list
> Bloat@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/bloat
^ permalink raw reply [flat|nested] 3+ messages in thread
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2024-02-10 4:32 [Bloat] RED 13 years later Dave Taht
2024-02-10 17:10 ` Kenneth Porter
2024-02-10 17:38 ` Kathleen Nichols
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