AI - The Complete History
This material was created for professionals, managers, entrepreneurs, and technology teams who want to understand artificial intelligence in a didactic way, whi
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Technical and executive content produced by NGG Tech on infrastructure, data centers and artificial intelligence.
Artificial Intelligence is already transforming companies, markets, and the planet's own digital infrastructure.
NGG Tech brings together, in a didactic and comprehensive way, the evolution of AI: from the first chatbots to intelligent agents, through image and video gener
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LLM x MoE Players: Who Is Already Using Mixture of Experts?
MoE — Mixture of Experts is transforming how large language models operate, activating specific experts for each task and optimizing performance, computational
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El Capitan: when Artificial Intelligence meets exascale computing.
NGG Tech takes an in-depth look at the architecture of El Capitan, a supercomputer installed at the Lawrence Livermore National Laboratory, in the United States
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Proxmox VE 9.2: complete technical guide to cluster, Ceph, backup and security
Architecture, cluster, quorum, storage, Ceph, high availability, network, identity, security, automation, licensing, performance and reference architectures for
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Hyper-V 2025: architecture, management, licensing, and operation
Complete technical guide to Hyper-V on Windows Server 2025: hypervisor architecture, VMs and NUMA, storage, virtual networking, high availability, hybrid manage
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VMware: ESXi, vCenter, VCF, and VVF — 2026 technical guide
Technical guide to the current-generation VMware platform: the ESXi hypervisor, vCenter Server, and the VMware vSphere Foundation (VVF) and VMware Cloud Foundat
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Bare Metal: technical and executive guide for mission-critical infrastructure
Physical architecture, server hardware, NUMA, storage, 3-layer networking, security, high availability, automation with Ansible and Terraform, TCO, and referenc
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VM & VPS: technical and executive guide to virtual infrastructure
Virtualization, hypervisors, CPU/NUMA, virtual storage and networking, high availability, backup, Disaster Recovery, automation with Ansible and Terraform, cont
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Data Center Networks: LAN, Fabric, and SAN — Cisco ACI, Juniper, and Fibre Channel
Spine-leaf, ToR, border leaf, Cisco ACI, Juniper EVPN-VXLAN, Fibre Channel SAN with Cisco MDS and Brocade, sizing, security, automation, and acceptance checklis
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Storage SAN & TrueNAS: executive and technical guide to architecture and operation
DAS, NAS and SAN, Fibre Channel, iSCSI, NVMe-oF, TrueNAS and OpenZFS, ARC/L2ARC/SLOG, sizing, security, continuity, hardware, TCO and reference architectures fo
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IX and PIX: how the Internet exchanges traffic and how to connect your AS
A complete technical guide to the Internet Exchange and the Brazilian IX.br model: why the IX exists, how the fabric and Route Servers work, the difference betw
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Data Centers: executive and technical guide to design, planning, and construction
From business case to critical operation: BIA and risk, availability classes, dual electrical path, rack density, thermal and electrical engineering, telecom, f
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NVIDIA Vera Rubin NVL72: technical and executive guide to liquid cooling and the AI Factory
From business case to operation: when an AI Factory is justified, Rubin GPU and Vera CPU architecture, HBM4 and NVLink 6, GB200/GB300 cases, DLC architecture wi
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REDATA 2026: an executive and tax guide to Brazil's data center incentives
Bill 278/2026 approved by Congress and awaiting presidential sanction: suspension of PIS/Cofins/IPI/Import Tax on eligible goods, a 10% domestic-market counterp
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PUE and WUE: a technical guide to measurement, instrumentation and audit in data centers
From the physical and accounting boundary to the PUE, DCiE and WUE formulas: electrical and water measurement categories, real instruments (power analyzers, ele
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