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#datacenter

11 posts10 participants0 posts today
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Kevin Karhan :verified:

@varbin @f4grx @nixCraft @torproject Well, you can dynamically block them based off packet rate & amount of requests and rate-limit them as well as limit them in terms of transfer rate.

Not to mention you rarely see DDoS attacks from residential IPs and ISPs are quick to disconnect offending hosts upon reporting them, so worst-case one blocks a /24 for 24 hours.

  • This doesn't even account for the fact that #Skiddie-Tools like #LOIC are easily dstinguishable and filter for.

Again: if this is a real problem, any decent datacenter / hoster / upstream will gladly pick up the phone or reply to your support request via mail.

  • After all, they too don't like it when someone hammers their infrastructure, so they have a vested interest in #Blackholing bad traffic at the #IX level.

#DECIX even officially recommends that as a means to handle large-scale DDoS attacks and keep everyone else online.

  • To me a "#Layer7" solution like #Anubis comes way too late as it already incurs billable traffic at many hosters and datacenters and we don't want to cough up money because of someone else trying to #blackmail us (which is the #1 reason for DDoS'ers to do so!)…
YouTubeThe creators of TikTok caused my website to shut downBy MattKC
#layer7#anubis#blackmail
Public
flo

KI, Ki, Ki.

Riesige Rechenzentren.

Immer mehr, immer mehr, immer noch mehr.

Strom, Wasser, Lärm, Verschmutzung.

Es zerstört das Leben von Menschen.

Aber Hauptsache, du kannst dir ein "fany Bild" und einen "kreativen Song" kreieren lassen und ein LLM, wie zB ChatGPT fragen, wie morgen das Wetter wird.

Mei, ist das alles beknackt!

"I Live 400 Yards From Mark Zuckerberg’s Massive Data Center"

yewtu.be/watch?v=DGjj7wDYaiI

(youtu.be/DGjj7wDYaiI)

#Meta #DataCenter #Georgia #LLM #AI #KI

Public
C.

I saw an article today that was talking about some cloud #hyperscaler - Google, I think - switching to a high-voltage DC power system in anticipation of supporting #racks with a power density of 1 MW.

A #megawatt, in a standard rack? I know Nvidia's selling GPU racks at 120 kW, which is much more than a traditional rack can handle, and there's talk about 250 kW, but this is 4 times more than even that. It seems ... impractical.

Doing a few calculations - a 42U standard rack is 600mm wide, a meter deep, and 2 meters high, for a total volume of 1.2 m^3. If that was a solid block of mild steel, it would mass ~9500 kg. In round terms, 1MW input would be able to raise the temperature of that almost-ten-tonne steel block from the freezing point of water to the boiling point of water... in one second flat.

The cooling requirements for a system like this would be prolific, but I think it would require some never-seen-in-computing changes as well, like a "thermal crowbar". Just as a crowbar circuit shorts the power to cause a breaker to trip when some failure condition is detected, you would need something to immediately kill power to such a rack if the cooling system was impaired at all. You don't have time for this to take ten seconds!

They're also talking about it being an 800VDC system, so you need 1250A. For that, you would need a copper busbar with a cross-sectional area of more than 500 mm^2...

This doesn't smell right.

#electronics#electricity#power
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Christian Quest 🌍

Soirée upgrade réseau du #datacenter de la cave...

On passe de l'ethernet gigabit à 10G pour tout le monde (ou presque) !

De quoi accélérer les backups et pas mal d'autres bricoles.

Par contre, la doc elle aussi s'est pris du x 10 !!
Près de 4000 pages de PDF pour le "Arista Extensible Operating System"

Photo d'un switch 10G 64 ports Arista
Public
enioka

Relever les défis ne nous a jamais fait peur chez enioka. Mais quand il s’agit de déménager dans son intégralité le datacenter d’un client, acteur majeur de la construction, dans un délai de moins de 6 mois, on se pose un peu et on réfléchit. Et puis on accepte et on se retrousse les manches !

https://blog.enioka.com/2025/04/24/transformer-une-operation-risquee-en-succes-strategique-recit-dun-demenagement-de-datacenter/

#architecture#datacenter#gestiondesrisques
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Ecologia Digital

"The problem is that the driving force behind the #datacenter boom isn't the #AI researchers, it is the #realestate people."

"ChatGPT came out in 2022, and the Chinese government declared AI infrastructure a national priority. Over 500 new data centres were announced in 2023 and 2024. Private investors went all-in.

Demand for the #datacentres turns out not to be there. Around 80% are not actually in use. [MIT Technology Review]"

pivot-to-ai.com/2025/04/04/chi

Pivot to AI · China massively overbuilds empty AI data centresChatGPT came out in 2022, and the Chinese government declared AI infrastructure a national priority. Over 500 new data centres were announced in 2023 and 2024. Private investors went all-in. Demand…
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Flipboard Tech Desk

Recent news that Amazon has pulled back on datacenter leasing deals has concerned some AI investors - especially on the backs of a similar Microsoft pause. But the company says it's nothing more than "routine capacity management." Read more at @theregister. #Amazon #Microsoft #AI #AWS #Datacenter #Tech #Technology flip.it/YBhYZ0

The Register · Relax, AWS reassessing colo lease talks is just 'routine capacity management'By Dan Robinson
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Benjamin Carr, Ph.D. 👨🏻‍💻🧬

#Frack to the future? #Geothermal energy pitched as #datacenter savior
An independent research body claims that geothermal power generation could provide an answer to the growing energy requirements of #datacenters.
But there's a catch. It focuses on techniques that employ hydraulic fracturing, or #fracking, to avoid being restricted to areas with naturally available geothermal energy, and depends on operators being prepared to pay a "green premium."
theregister.com/2025/03/13/geo

The Register · Frack to the future? Geothermal energy pitched as datacenter saviorBy Dan Robinson
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Tiago F

Karsten decidiu otimizar essa abordagem. "Em vez de sempre esperar por um período fixo de tempo, esperamos dinamicamente com base no que sabemos que está acontecendo na aplicação", diz ele. Ele desenvolveu uma técnica para que a consulta de demandas intensas ocorra durante períodos de alto tráfego de rede, com a suspensão de solicitações de interrupção desnecessárias. Quando o tráfego de rede diminui, a entrega baseada em interrupções é retomada. "Isso torna o mecanismo resultante muito mais eficiente e flexível", acrescenta.

spectrum.ieee.org/data-center-

IEEE Spectrum · Data Centers Can Slash Power Needs With One Coding TweakBy Rina Diane Caballar
#linux#datacenter#esg
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