Unlike the dot-com era's overbuilding by nascent companies, the current AI infrastructure build-out is driven by large, established firms like Microsoft and Google. They are responding to tangible customer demand, making the investment cycle more stable and fundamentally different from a speculative bubble.

While AI models and coding agents scale to $100M+ revenues quickly, the truly exponential growth is in the hardware ecosystem. Companies in optical interconnects, cooling, and power are scaling from zero to billions in revenue in under two years, driven by massive demand from hyperscalers building AI infrastructure.

Cisco's OutShift incubator focuses on enabling distributed systems rather than building monolithic ones. Their strategy for both AI and quantum computing is not to create the most powerful single agent or computer, but to build the network fabric that connects them all.

Companies like Oracle and Broadcom face market corrections as investors confront the difficult realities of the AI buildout. Lower-than-expected margins, data center delays, and high capital expenditures are injecting a dose of reality into the previously overhyped infrastructure trade.

The current AI infrastructure build-out is structurally safer than the late-90s telecom boom. Today's spending is driven by highly-rated, cash-rich hyperscalers, whereas the telecom boom was fueled by highly leveraged, barely investment-grade companies, creating a wider and safer distribution of risk today.

Vincap International's CIO argues the AI market isn't a classic bubble. Unlike previous tech cycles, the installation phase (building infrastructure) is happening concurrently with the deployment phase (mass user adoption). This unique paradigm shift is driving real revenue and growth that supports high valuations.

In 2026, the AI investment narrative will expand from foundational model creators to companies building applications and services. It also includes sectors enabling AI growth, such as energy generation and data centers, offering a wider range of investment opportunities beyond the initial tech giants.

The intense demand for throughput and low latency from AI workloads is forcing a rapid migration to higher speeds (from 100G to over 1.6T). This has drastically compressed the typical five-year hardware refresh cycle down to just 12-18 months, a pace previously unheard of in networking.

Swisher draws a direct parallel between NVIDIA and Cisco. While NVIDIA is profitable selling AI chips, its customers are not. She predicts major tech players will develop their own chips, eroding NVIDIA's unsustainable valuation, just as the market for routers consolidated and crashed Cisco's stock.