[Codel] Re: [Cake] XDP2 is here - from one and only Tom Herbert (almost to the date, 10 years after XDP was released)

["David P. Reed" <dpreed@deepplum.com>]

Hi Frank -
 
I think it is interesting as a concept. A project I am advising has been using DPDK very effectively to get rid of the huge path and locking delays in the current Linux network stack. XDP2 could be supported in a ring3 (user) address space, achieving a similar result.
 
But I don't think XDP2 is going that direction - so it may be stuckinto the mess of kernel space networking. Adding eBPF only has made this more of a mess, by the way (and adding a new "compiler" that needs to be veriried as safe for the kernel).

I will be watching how this evolves.
 
David
 
On Tuesday, September 9, 2025 06:32, "Frantisek Borsik" <frantisek.borsik@gmail.com> said:



> Hello to all,
> 
> Looks interesting:
> https://medium.com/@tom_84912/xdp2-this-changes-everything-at-least-for-ai-ml-infrastructure-850c1ba82771
> 
> 
> All the best,
> 
> Frank
> 
> Frantisek (Frank) Borsik
> 
> 
> *In loving memory of Dave Täht: *1965-2025
> 
> https://libreqos.io/2025/04/01/in-loving-memory-of-dave/
> 
> 
> https://www.linkedin.com/in/frantisekborsik
> 
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