Data Centers in the Age of AI: Infrastructure, Cooling & Sustainability | JNCA 2026

Data centers are no longer just IT facilities — they are the critical infrastructure of the AI era, and they are under unprecedented stress. This video presents the key findings of our tutorial survey "Data Centers in the Age of AI: A Tutorial Survey on Infrastructure, Sustainability, and Emerging Challenges," accepted for publication in the Journal of Network and Computer Applications (JNCA), 2025. ━━━━━━━━━━━━━━━━━━━━━━━━━ 📌 WHAT YOU'LL LEARN ━━━━━━━━━━━━━━━━━━━━━━━━━ Why AI workloads are forcing rack densities from 15 kW to 100+ kW How training GPT-4 consumed 51–62 GWh — and why inference is worse The full cooling spectrum: from CRAC/CRAH to liquid immersion (PUE ~1.03) Water utilization: WUE comparisons across Microsoft, AWS, Meta & Equinix Carbon-aware scheduling, waste heat reuse & circular hardware strategies Optical networking: CPO, 1.6 Tb/s coherent, Google Jupiter, agentic AI ops Digital twins & AIOps as the new operational layer for net-zero data centers ━━━━━━━━━━━━━━━━━━━━━━━━━ 📄 PAPER ━━━━━━━━━━━━━━━━━━━━━━━━━ Journal of Network and Computer Applications (JNCA) — Accepted 2026 Author: Sergio Cruzes | Ciena Brazil / University of São Paulo (EESC) https://www.sciencedirect.com/science... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 RELATED WORK ━━━━━━━━━━━━━━━━━━━━━━━━━ IEEE Access — Telemetry and Agentic AI for Optical Networks: https://doi.org/10.1109/ACCESS.2025.3... arXiv — AI Infrastructure Sovereignty: https://arxiv.org/abs/2602.10900 Elsevier OSN — LLMs in Optical Networks: https://doi.org/10.1016/j.osn.2025.10... #datacenter #artificialintelligence #sustainability #opticalnetworking #liquidcooling #digitaltwin #AIOps #LLM #GPT #cloudcomputing #JNCA