Three AI data center scaling strategies are scale-up, scale-out, and scale-across. Scale-up is within a rack; scale-out is ...

Kalinagaswamy: Both have their own challenges. Scale-up may have hundreds of GPUs or accelerators, and they have to work in a scale-up network. Scale-out is point-to-point. They cannot make that many ...

IT systems can scale vertically, horizontally, and sometimes both. In broad terms, vertical scaling, or scale-up, entails installing more powerful systems or upgrading to more powerful components.