Analysis
Video footage and transcripts from the World IPv6 Launch event on June 6, 2012 show Cerf delivering the line: “IPv6 is not just a bigger address space; it’s a foundation for innovation for the next 20 to 30 years.” The quotation appears verbatim in multiple reputable sources, confirming the attribution and wording. The statement reflects his well‑documented view that IPv6’s features beyond address size (e.g., security, autoconfiguration) enable future Internet services.
Background
The World IPv6 Launch was a coordinated effort by major Internet service providers and organizations to enable IPv6 on their production networks. Vint Cerf, often called a “father of the Internet,” was a keynote speaker and advocate for IPv6 adoption. His remarks emphasized that IPv6 would support emerging technologies and long‑term growth rather than being a stop‑gap solution.
Verdict summary
Vint Cerf did say that IPv6 is more than a larger address space and will underpin innovation for the next few decades.