professorjrod@gmail.com One idea rewired computing: what if one machine could convincingly pretend to be many? We start with mainframes and time sharing, then move through hypervisors, virtual machines, and the moment virtualization became the backbone of the cloud. From there, the story accelerates into public, private, hybrid, and community cloud models, and the service stack that defines modern IT—Infrastructure as a Service, Platform as a Service, and Software as a Service—so you know exa...
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professorjrod@gmail.com One idea rewired computing: what if one machine could convincingly pretend to be many? We start with mainframes and time sharing, then move through hypervisors, virtual machines, and the moment virtualization became the backbone of the cloud. From there, the story accelerates into public, private, hybrid, and community cloud models, and the service stack that defines modern IT—Infrastructure as a Service, Platform as a Service, and Software as a Service—so you know exa...
professorjrod@gmail.com Ever wonder how your phone grabs an IP address the instant you join Wi‑Fi? We break down the invisible handshake that makes it happen: DORA. From discovery to acknowledgement, we map each step of the DHCP exchange, explain lease timers, and show how networks hand out addresses at scale without stepping on their own toes. Along the way, we share practical stories from classrooms, offices, and coffee shops that turn abstract packets into clear mental models. We go deepe...
Technology Tap
professorjrod@gmail.com One idea rewired computing: what if one machine could convincingly pretend to be many? We start with mainframes and time sharing, then move through hypervisors, virtual machines, and the moment virtualization became the backbone of the cloud. From there, the story accelerates into public, private, hybrid, and community cloud models, and the service stack that defines modern IT—Infrastructure as a Service, Platform as a Service, and Software as a Service—so you know exa...
