Just below the massive hyperscalers and cloud builders there is another set of dozens of datacenter operators who provide cloud and co-location services on a multinational basis to enterprises, governments, and academic institutions. Cyxtera Technologies, a spinout of the former CenturyLink telco and Internet service provider (now known as Lumen Technologies), is one of them.
Cyxtera operates over 60 datacenters with around 250 megawatts of aggregate power capacity, which is how you start measuring infrastructure at scale because keeping track of the boxes is too difficult at that point. Being descended from a telco, Cyxtera also operates one of the largest networks on Earth and is cross-connected with everything any company might need to link to, be it other clouds and co-los or their own facilities scattered around the globe.
Like other datacenter operators, Cyxtera is wrestling with the compute and power density of modern AI training systems, and we have been on a mission to see how some of the bigger datacenter operators are handling these hot and heavy beasts as they swing their tails around the glass house.
We sat down with Holland Barry, field chief technology officer at Cyxtera, so find out what is going on with datacenter expansion and if customers are just thinking about putting their AI systems in co-los from the start rather than trying to shoehorn them into homebuilt datacenters that are probably not able to handle the power and heat necessary for these AI systems.
This is especially true as many of these systems are starting to require liquid cooling, which many datacenters can’t handle gracefully. There is also interest in immersion cooling, which we think is neat but which we think many enterprises will no go for because dunking systems and storage in a vat of something cooked up by 3M voids the warranty. This is the kind of behavior you expect from cryptocurrency miners, perhaps, but not enterprises who have to make their machines last a long time and have proper tech support and warranty services on them or it will force a “resume generating event” for the CIOs and CTOs.
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