Arista Modular Switches Aim At Scale Across Networks
Chip designs are surpassing the limits of lithography machines, leading to the development of chiplets and high-bandwidth interconnects.
AI training workloads are also driving the need for scale-out networks, connecting multiple datacenters or regions into a single logical datacenter.
Given the attention to leaf and spine network architectures, it may seem retro to focus on big, modular switches.
However, suppliers like Arista are still developing large modular switches, such as the "Magnum" InfiniBand with 3,456 ports, originally invented by Andy Bechtolsheim for the Constellation supercomputer.
Author's summary: Arista modular switches target network scalability.
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