At AI Field Day 5, Arista Networks underscored the significant hurdles in deploying GPU clusters for AI training, highlighting issues like the immense power consumption driven by high data transfer demands ranging from 800Gb/s to 1.6 terabits for GPU communications. Arista suggested a shift towards energy-efficient linear pluggable optics to mitigate power consumption issues and discussed management of heat generation, noting the partial benefits of liquid cooling solutions but emphasizing that these do not fully address the broader environmental impacts. The company pointed out the urgent need for efficiency improvements in the computing industry to navigate upcoming operational and environmental challenges. Read more in this LinkedIn Pulse article by Justin Warren, who attended the Arista presentation at AI Field Day 5.