>
> Sure, alright but given what you just said doesn’t it seem odd that there
> is still a static BGP tiebreaker in 2024?


No. Also not sure what your point is here.



On Wed, Dec 11, 2024 at 8:55 AM Drew Weaver <[email protected]> wrote:

> Sure, alright but given what you just said doesn’t it seem odd that there
> is still a static BGP tiebreaker in 2024?
>
>
>
> *From:* Tom Beecher <[email protected]>
> *Sent:* Thursday, December 5, 2024 12:12 PM
> *To:* Jason Bothe <[email protected]>
> *Cc:* Drew Weaver <[email protected]>; [email protected]
> *Subject:* Re: Route optimization using GPUs?
>
>
>
> It's not even that.
>
>
>
> GPU's are very good at parallelized vector computations. They are very
> very good at THAT, but ONLY that. This is no different conceptually than
> router ASICs. They are designed to do ONE thing very well,
>
>
>
> BGP bestpath selection is a completely different computational process.
>
>
>
> On Thu, Dec 5, 2024 at 12:06 PM Jason Bothe via NANOG <[email protected]>
> wrote:
>
> WIth merchant silicon getting faster and stronger everyday, and capacity
> and transit in a freewill, I’m not sure what GPU optimization would buy
> you, not to mention the ROI. The Internet routing table is not showing
> substantial signs of growth and in some cases has experienced a plateau.
> Also, the experience with ‘route optimization tools’ is that while they may
> bring you some priority in your traffic, they are also known for making
> horrible decisions resulting in widespread outages.
>
>
>
> J~
>
>
>
>
>
> On Dec 5, 2024, at 8:13 AM, Drew Weaver <[email protected]> wrote:
>
>
>
> So back in the.. hell I don’t know like… early 2010s there was a push for
> ‘route optimization’ from products like RouteScience and the Avaya CNA and
> more recently whatever Noction is doing.
>
>
>
> The big pain point for this technology at the time was that it could only
> optimize the top N egress routes due to how many probes it could send out
> and how many results it could process.
>
>
>
> It seems like now with a modest GPU in a router you could pretty easily
> ‘optimize’ [to the extent that you believe this technology worked] pretty
> much the whole routing table.
>
>
>
> We used these tools extensively back then and they actually worked pretty
> well in most cases. The biggest issue we ran into was people complaining
> that we pinged their IP addresses… which now a days seems like a great
> worst problem to have.
>
>
>
> Anyway is anyone doing any work on implementing GPUs into the BGP decision
> making process? Seems like a no brainer.
>
>
>
> -Drew
>
>
>
>

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