Cloud computing, Palo Alto, AWS, reference architecture, modern datacenter, sleek metal racks, rows of servers, intricate network cables, virtual machines, cloud instances, security gateways, firewalls, routers, switches, cloud storage, databases, analytics platforms, monitoring systems, DevOps tools, agile development, collaborative workflow, futuristic ambient lighting, high-contrast background, 3D visualization, cinematic composition, wide-angle lens.