Volterra Report

Legacy Fiber, Lasting Impact

How 1990s Telecom Overbuild Made Ashburn the Data Center Capital

November 202515 minutesTelecomHistorical
Cover of Legacy Fiber, Lasting Impact

Synopsis

A four-act account of how early interconnection gravity, aggressive telecom construction, the fiber bust, and cloud-era reuse created Ashburn's durable network advantage. The report reframes the region as an infrastructure inheritance rather than a single data center boom.

Key takeaways

  • Interconnection gravity made Northern Virginia a rational place to build network capacity before hyperscale demand arrived.
  • The telecom bust repriced the network layer without removing the physical infrastructure.
  • Replicating Ashburn requires fiber optionality and market structure - not simply conduit, land, or incentives.

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